添加新的字段
/**
* 如果是字典类型，请设置字典的type值
*/
public String dictType() default "";

package com.ruoyi.common.core.utils.poi;


import com.alibaba.fastjson2.JSONArray;
import com.ruoyi.common.core.constant.CacheConstants;
import com.ruoyi.common.core.utils.SpringUtils;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.bean.BeanUtils;
import com.ruoyi.common.redis.service.RedisService;
import org.apache.commons.collections4.CollectionUtils;


import java.util.ArrayList;
import java.util.List;


/**
* 字典工具类
*
* @author ruoyi
*/
public class DictUtils
{




    /**
     * 获取字典缓存
     *
     * @param key 参数键
     * @return dictDatas 字典数据列表
     */
    public static List<SysDictData> getDictCache(String key)
    {
        if(StringUtils.isEmpty(key)){
            return null;
        }
        JSONArray arrayCache = SpringUtils.getBean(RedisService.class).getCacheObject(getCacheKey(key));
        if (StringUtils.isNotNull(arrayCache))
        {
           List<SysDictData> list = new ArrayList<>();
            for (Object o : arrayCache) {
                SysDictData dictData = new SysDictData();
                BeanUtils.copyProperties(o, dictData);
                list.add(dictData);
            }
//            return arrayCache.toList(SysDictData.class);
            return list;
        }
        return null;
    }


    /**
     * 设置cache key
     *
     * @param configKey 参数键
     * @return 缓存键key
     */
    public static String getCacheKey(String configKey)
    {
        return CacheConstants.SYS_DICT_KEY + configKey;
    }


    /**
     * 根据字典类型和字典值获取字典值
     * @Title getDictLabel
     * @author yuyehong@cloudwalk.cn
     * @date 16:10 2020/6/23
     * @param dictType 字典类型
     * @param dictValue 字典值
     * @param defaultLabel 默认值
     * @return java.lang.String
     */
    public static String getDictLabel(String dictType, String dictValue, String defaultLabel) {
        if (StringUtils.isNotBlank(dictType) && StringUtils.isNotBlank(dictValue)) {
            List<SysDictData> dictDataList = getDictCache(dictType);
            if (CollectionUtils.isNotEmpty(dictDataList)) {
                for (SysDictData dict : dictDataList) {
                    if (dictValue.equals(dict.getDictValue())) {
                        return dict.getDictLabel();
                    }
                }
            }
        }
        return defaultLabel;
    }
    /**
     * 根据字典类型和字典标签获取字典值
     * @Title getDictValue
     * @author yuyehong
     * @date 17:59 2020/6/23
     * @param dictType 字典类型
     * @param dictLabel 字典标签
     * @param defaultValue 默认值
     * @return java.lang.String
     */
    public static String getDictValue(String dictType, String dictLabel, String defaultValue) {
        if (StringUtils.isNotBlank(dictType) && StringUtils.isNotBlank(dictLabel)) {
            List<SysDictData> dictDataList = getDictCache(dictType);
            if (CollectionUtils.isNotEmpty(dictDataList)) {
                for (SysDictData dict : dictDataList) {
                    if (dictLabel.equals(dict.getDictLabel())) {
                        return dict.getDictValue();
                    }
                }
            }
        }
        return defaultValue;
    }


    /**
     * 根据 type 将 lable组成 string数组
     * @param type
     * @return
     */
    public static String[] getLabelArr(String type) {
        String[] arr0 = new String[0];
        if (StringUtils.isNotBlank(type)) {
            List<SysDictData> dictList = getDictCache(type);
            String[] strArr = new String[dictList.size()];
            for (int i = 0 ; i < dictList.size() ; i ++) {
                strArr[i] = dictList.get(i).getDictLabel();
            }
            return strArr;
        }
        return arr0;
    }


}

package com.ruoyi.common.core.utils.poi;


import com.ruoyi.common.core.annotation.Excel;
import com.ruoyi.common.core.annotation.Excel.ColumnType;
import com.ruoyi.common.core.constant.UserConstants;
import com.ruoyi.common.core.web.domain.BaseEntity;


import javax.validation.constraints.NotBlank;
import javax.validation.constraints.Size;


/**
* 字典数据表 sys_dict_data
*
* @author ruoyi
*/


public class SysDictData extends BaseEntity
{
    private static final long serialVersionUID = 1L;


    /** 字典编码 */
    @Excel(name = "字典编码", cellType = ColumnType.NUMERIC)
    private Long dictCode;


    /** 字典排序 */
    @Excel(name = "字典排序", cellType = ColumnType.NUMERIC)
    private Long dictSort;


    /** 字典标签 */
    @Excel(name = "字典标签")
    private String dictLabel;


    /** 字典键值 */
    @Excel(name = "字典键值")
    private String dictValue;


    /** 字典类型 */
    @Excel(name = "字典类型")
    private String dictType;


    /** 样式属性（其他样式扩展） */
    private String cssClass;


    /** 表格字典样式 */
    private String listClass;


    /** 是否默认（Y是 N否） */
    @Excel(name = "是否默认", readConverterExp = "Y=是,N=否")
    private String isDefault;


    /** 状态（0正常 1停用） */
    @Excel(name = "状态", readConverterExp = "0=正常,1=停用")
    private String status;


    /**
     * 父级字典
     */
    private String parentCode;
    /**
     * 父级字典名称
     */
    private String parentLabel;
    /**
     * 父级字典值
     */
    private String parentValue;


    public Long getDictCode()
    {
        return dictCode;
    }


    public void setDictCode(Long dictCode)
    {
        this.dictCode = dictCode;
    }


    public Long getDictSort()
    {
        return dictSort;
    }


    public void setDictSort(Long dictSort)
    {
        this.dictSort = dictSort;
    }


    @NotBlank(message = "字典标签不能为空")
    @Size(min = 0, max = 100, message = "字典标签长度不能超过100个字符")
    public String getDictLabel()
    {
        return dictLabel;
    }


    public void setDictLabel(String dictLabel)
    {
        this.dictLabel = dictLabel;
    }


    @NotBlank(message = "字典键值不能为空")
    @Size(min = 0, max = 100, message = "字典键值长度不能超过100个字符")
    public String getDictValue()
    {
        return dictValue;
    }


    public void setDictValue(String dictValue)
    {
        this.dictValue = dictValue;
    }


    @NotBlank(message = "字典类型不能为空")
    @Size(min = 0, max = 100, message = "字典类型长度不能超过100个字符")
    public String getDictType()
    {
        return dictType;
    }


    public void setDictType(String dictType)
    {
        this.dictType = dictType;
    }


    @Size(min = 0, max = 100, message = "样式属性长度不能超过100个字符")
    public String getCssClass()
    {
        return cssClass;
    }


    public void setCssClass(String cssClass)
    {
        this.cssClass = cssClass;
    }


    public String getListClass()
    {
        return listClass;
    }


    public void setListClass(String listClass)
    {
        this.listClass = listClass;
    }


    public boolean getDefault()
    {
        return UserConstants.YES.equals(this.isDefault);
    }


    public String getIsDefault()
    {
        return isDefault;
    }


    public void setIsDefault(String isDefault)
    {
        this.isDefault = isDefault;
    }


    public String getStatus()
    {
        return status;
    }


    public void setStatus(String status)
    {
        this.status = status;
    }


    public String getParentCode() {
        return parentCode;
    }


    public void setParentCode(String parentCode) {
        this.parentCode = parentCode;
    }


    public String getParentLabel() {
        return parentLabel;
    }


    public void setParentLabel(String parentLabel) {
        this.parentLabel = parentLabel;
    }


    public String getParentValue() {
        return parentValue;
    }


    public void setParentValue(String parentValue) {
        this.parentValue = parentValue;
    }
}

package com.ruoyi.common.core.utils.poi;


import com.alibaba.excel.EasyExcel;
import com.ruoyi.common.core.annotation.Excel;
import com.ruoyi.common.core.annotation.Excel.ColumnType;
import com.ruoyi.common.core.annotation.Excel.Type;
import com.ruoyi.common.core.annotation.Excels;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.core.utils.DateUtils;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.file.FileTypeUtils;
import com.ruoyi.common.core.utils.file.ImageUtils;
import com.ruoyi.common.core.utils.reflect.ReflectUtils;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.RegExUtils;
import org.apache.commons.lang3.reflect.FieldUtils;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFDataValidation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.*;
import java.util.stream.Collectors;


/**
* Excel相关处理
*
* @author ruoyi
*/
public class ExcelUtil<T>
{
    private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);


    public static final String FORMULA_REGEX_STR = "=|-|\\+|@";


    public static final String[] FORMULA_STR = { "=", "-", "+", "@" };


    /**
     * Excel sheet最大行数，默认65536
     */
    public static final int sheetSize = 65536;


    /**
     * 工作表名称
     */
    private String sheetName;


    /**
     * 导出类型（EXPORT:导出数据；IMPORT：导入模板）
     */
    private Type type;


    /**
     * 工作薄对象
     */
    private Workbook wb;


    /**
     * 工作表对象
     */
    private Sheet sheet;


    /**
     * 样式列表
     */
    private Map<String, CellStyle> styles;


    /**
     * 导入导出数据列表
     */
    private List<T> list;


    /**
     * 注解列表
     */
    private List<Object[]> fields;


    /**
     * 当前行号
     */
    private int rownum;


    /**
     * 标题
     */
    private String title;


    /**
     * 最大高度
     */
    private short maxHeight;


    /**
     * 合并后最后行数
     */
    private int subMergedLastRowNum = 0;


    /**
     * 合并后开始行数
     */
    private int subMergedFirstRowNum = 1;


    /**
     * 对象的子列表方法
     */
    private Method subMethod;


    /**
     * 对象的子列表属性
     */
    private List<Field> subFields;


    /**
     * 统计列表
     */
    private Map<Integer, Double> statistics = new HashMap<Integer, Double>();


    /**
     * 数字格式
     */
    private static final DecimalFormat DOUBLE_FORMAT = new DecimalFormat("######0.00");


    /**
     * 实体对象
     */
    public Class<T> clazz;


    /**
     * 需要排除列属性
     */
    public String[] excludeFields;


    public ExcelUtil(Class<T> clazz)
    {
        this.clazz = clazz;
    }


    /**
     * 隐藏Excel中列属性
     *
     * @param fields 列属性名 示例[单个"name"/多个"id","name"]
     * @throws Exception
     */
    public void hideColumn(String... fields)
    {
        this.excludeFields = fields;
    }


    public void init(List<T> list, String sheetName, String title, Type type)
    {
        if (list == null)
        {
            list = new ArrayList<T>();
        }
        this.list = list;
        this.sheetName = sheetName;
        this.type = type;
        this.title = title;
        createExcelField();
        createWorkbook();
        createTitle();
        createSubHead();
        //初始化ExcelHandlerAdapter的本地存储线程,防止职务、岗位登录信息变动后找不到对应数据
        ExcelHandlerAdapter.THREAD_LOCAL.remove();
    }


    /**
     * 创建excel第一行标题
     */
    public void createTitle()
    {
        if (StringUtils.isNotEmpty(title))
        {
            subMergedFirstRowNum++;
            subMergedLastRowNum++;
            int titleLastCol = this.fields.size() - 1;
            if (isSubList())
            {
                titleLastCol = titleLastCol + subFields.size() - 1;
            }
            Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);
            titleRow.setHeightInPoints(30);
            Cell titleCell = titleRow.createCell(0);
            titleCell.setCellStyle(styles.get("title"));
            titleCell.setCellValue(title);
            sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), titleRow.getRowNum(), titleLastCol));
        }
    }


    /**
     * 创建对象的子列表名称
     */
    public void createSubHead()
    {
        if (isSubList())
        {
            subMergedFirstRowNum++;
            subMergedLastRowNum++;
            Row subRow = sheet.createRow(rownum);
            int excelNum = 0;
            for (Object[] objects : fields)
            {
                Excel attr = (Excel) objects[1];
                Cell headCell1 = subRow.createCell(excelNum);
                headCell1.setCellValue(attr.name());
                headCell1.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
                excelNum++;
            }
            int headFirstRow = excelNum - 1;
            int headLastRow = headFirstRow + subFields.size() - 1;
            if (headLastRow > headFirstRow)
            {
                sheet.addMergedRegion(new CellRangeAddress(rownum, rownum, headFirstRow, headLastRow));
            }
            rownum++;
        }
    }


    /**
     * 对excel表单默认第一个索引名转换成list
     *
     * @param is 输入流
     * @return 转换后集合
     */
    public List<T> importExcel(InputStream is) throws Exception
    {
        return importExcel(is, 0);
    }


    /**
     * 对excel表单默认第一个索引名转换成list
     *
     * @param is 输入流
     * @param titleNum 标题占用行数
     * @return 转换后集合
     */
    public List<T> importExcel(InputStream is, int titleNum) throws Exception
    {
        return importExcel(StringUtils.EMPTY, is, titleNum);
    }


    /**
     * 对excel表单指定表格索引名转换成list
     *
     * @param sheetName 表格索引名
     * @param titleNum 标题占用行数
     * @param is 输入流
     * @return 转换后集合
     */
    public List<T> importExcel(String sheetName, InputStream is, int titleNum) throws Exception
    {
        this.type = Type.IMPORT;
        this.wb = WorkbookFactory.create(is);
        List<T> list = new ArrayList<T>();
        // 如果指定sheet名,则取指定sheet中的内容 否则默认指向第1个sheet
        Sheet sheet = StringUtils.isNotEmpty(sheetName) ? wb.getSheet(sheetName) : wb.getSheetAt(0);
        if (sheet == null)
        {
            throw new IOException("文件sheet不存在");
        }


        // 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1
        int rows = sheet.getLastRowNum();


        if (rows > 0)
        {
            // 定义一个map用于存放excel列的序号和field.
            Map<String, Integer> cellMap = new HashMap<String, Integer>();
            // 获取表头
            Row heard = sheet.getRow(titleNum);
            for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++)
            {
                Cell cell = heard.getCell(i);
                if (StringUtils.isNotNull(cell))
                {
                    String value = this.getCellValue(heard, i).toString();
                    cellMap.put(value, i);
                }
                else
                {
                    cellMap.put(null, i);
                }
            }
            // 有数据时才处理 得到类的所有field.
            List<Object[]> fields = this.getFields();
            Map<Integer, Object[]> fieldsMap = new HashMap<Integer, Object[]>();
            for (Object[] objects : fields)
            {
                Excel attr = (Excel) objects[1];
                Integer column = cellMap.get(attr.name());
                if (column != null)
                {
                    fieldsMap.put(column, objects);
                }
            }
            for (int i = titleNum + 1; i <= rows; i++)
            {
                // 从第2行开始取数据,默认第一行是表头.
                Row row = sheet.getRow(i);
                // 判断当前行是否是空行
                if (isRowEmpty(row))
                {
                    continue;
                }
                T entity = null;
                for (Map.Entry<Integer, Object[]> entry : fieldsMap.entrySet())
                {
                    Object val = this.getCellValue(row, entry.getKey());


                    // 如果不存在实例则新建.
                    entity = (entity == null ? clazz.newInstance() : entity);
                    // 从map中得到对应列的field.
                    Field field = (Field) entry.getValue()[0];
                    Excel attr = (Excel) entry.getValue()[1];
                    // 取得类型,并根据对象类型设置值.
                    Class<?> fieldType = field.getType();
                    if (String.class == fieldType)
                    {
                        String s = Convert.toStr(val);
                        if (StringUtils.endsWith(s, ".0"))
                        {
                            val = StringUtils.substringBefore(s, ".0");
                        }
                        else
                        {
                            String dateFormat = field.getAnnotation(Excel.class).dateFormat();
                            if (StringUtils.isNotEmpty(dateFormat))
                            {
                                val = parseDateToStr(dateFormat, val);
                            }
                            else
                            {
                                val = Convert.toStr(val);
                            }
                        }
                    }
                    else if ((Integer.TYPE == fieldType || Integer.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
                    {
                        val = Convert.toInt(val);
                    }
                    else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
                    {
                        val = Convert.toLong(val);
                    }
                    else if (Double.TYPE == fieldType || Double.class == fieldType)
                    {
                        val = Convert.toDouble(val);
                    }
                    else if (Float.TYPE == fieldType || Float.class == fieldType)
                    {
                        val = Convert.toFloat(val);
                    }
                    else if (BigDecimal.class == fieldType)
                    {
                        val = Convert.toBigDecimal(val);
                    }
                    else if (Date.class == fieldType)
                    {
                        if (val instanceof String)
                        {
                            val = DateUtils.parseDate(val);
                        }
                        else if (val instanceof Double)
                        {
                            val = DateUtil.getJavaDate((Double) val);
                        }
                    }
                    else if (Boolean.TYPE == fieldType || Boolean.class == fieldType)
                    {
                        val = Convert.toBool(val, false);
                    }
                    if (StringUtils.isNotNull(fieldType))
                    {
                        String propertyName = field.getName();
                        if (StringUtils.isNotEmpty(attr.targetAttr()))
                        {
                            propertyName = field.getName() + "." + attr.targetAttr();
                        }
                        //TODO 枚举类型对应
                        else if(StringUtils.isNotEmpty(attr.dictType())) {
                            val = DictUtils.getDictValue(attr.dictType(),String.valueOf(val), "0");
                        }
                        else if (StringUtils.isNotEmpty(attr.readConverterExp()))
                        {
                            val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());
                        }
                        else if (!attr.handler().equals(ExcelHandlerAdapter.class))
                        {
                            val = dataFormatHandlerAdapter(val, attr);
                        }
                        ReflectUtils.invokeSetter(entity, propertyName, val);
                    }
                }
                list.add(entity);
            }
        }
        return list;
    }


    /**
     * 对list数据源将其里面的数据导入到excel表单
     *
     * @param response 返回数据
     * @param list 导出数据集合
     * @param sheetName 工作表的名称
     * @return 结果
     */
    public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)
    {
        exportExcel(response, list, sheetName, StringUtils.EMPTY);
    }


    /**
     * 对list数据源将其里面的数据导入到excel表单
     *
     * @param response 返回数据
     * @param list 导出数据集合
     * @param sheetName 工作表的名称
     * @param title 标题
     * @return 结果
     */
    public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title)
    {
        response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
        response.setCharacterEncoding("utf-8");
        this.init(list, sheetName, title, Type.EXPORT);
        exportExcel(response);
    }


    /**
     * 对list数据源将其里面的数据导入到excel表单
     *
     * @param sheetName 工作表的名称
     * @return 结果
     */
    public void importTemplateExcel(HttpServletResponse response, String sheetName)
    {
        importTemplateExcel(response, sheetName, StringUtils.EMPTY);
    }


    /**
     * 对list数据源将其里面的数据导入到excel表单
     *
     * @param sheetName 工作表的名称
     * @param title 标题
     * @return 结果
     */
    public void importTemplateExcel(HttpServletResponse response, String sheetName, String title)
    {
        response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
        response.setCharacterEncoding("utf-8");
        this.init(null, sheetName, title, Type.IMPORT);
        exportExcel(response);
    }


    /**
     * 对list数据源将其里面的数据导入到excel表单
     *
     * @return 结果
     */
    public void exportExcel(HttpServletResponse response)
    {
        try
        {
            writeSheet();
            wb.write(response.getOutputStream());
        }
        catch (Exception e)
        {
            log.error("导出Excel异常{}", e.getMessage());
        }
        finally
        {
            IOUtils.closeQuietly(wb);
        }
    }


    /**
     * 创建写入数据到Sheet
     */
    public void writeSheet()
    {
        // 取出一共有多少个sheet.
        int sheetNo = Math.max(1, (int) Math.ceil(list.size() * 1.0 / sheetSize));
        for (int index = 0; index < sheetNo; index++)
        {
            createSheet(sheetNo, index);


            // 产生一行
            Row row = sheet.createRow(rownum);
            int column = 0;
            // 写入各个字段的列头名称
            for (Object[] os : fields)
            {
                Field field = (Field) os[0];
                Excel excel = (Excel) os[1];
                if (Collection.class.isAssignableFrom(field.getType()))
                {
                    for (Field subField : subFields)
                    {
                        Excel subExcel = subField.getAnnotation(Excel.class);
                        this.createHeadCell(subExcel, row, column++);
                    }
                }
                else
                {
                    this.createHeadCell(excel, row, column++);
                }
            }
            if (Type.EXPORT.equals(type))
            {
                fillExcelData(index, row);
                addStatisticsRow();
            }
        }
    }


    /**
     * 填充excel数据
     *
     * @param index 序号
     * @param row 单元格行
     */
    @SuppressWarnings("unchecked")
    public void fillExcelData(int index, Row row)
    {
        int startNo = index * sheetSize;
        int endNo = Math.min(startNo + sheetSize, list.size());
        int rowNo = (1 + rownum) - startNo;
        for (int i = startNo; i < endNo; i++)
        {
            rowNo = isSubList() ? (i > 1 ? rowNo + 1 : rowNo + i) : i + 1 + rownum - startNo;
            row = sheet.createRow(rowNo);
            // 得到导出对象.
            T vo = (T) list.get(i);
            Collection<?> subList = null;
            if (isSubList())
            {
                if (isSubListValue(vo))
                {
                    subList = getListCellValue(vo);
                    subMergedLastRowNum = subMergedLastRowNum + subList.size();
                }
                else
                {
                    subMergedFirstRowNum++;
                    subMergedLastRowNum++;
                }
            }
            int column = 0;
            for (Object[] os : fields)
            {
                Field field = (Field) os[0];
                Excel excel = (Excel) os[1];
                if (Collection.class.isAssignableFrom(field.getType()) && StringUtils.isNotNull(subList))
                {
                    boolean subFirst = false;
                    for (Object obj : subList)
                    {
                        if (subFirst)
                        {
                            rowNo++;
                            row = sheet.createRow(rowNo);
                        }
                        List<Field> subFields = FieldUtils.getFieldsListWithAnnotation(obj.getClass(), Excel.class);
                        int subIndex = 0;
                        for (Field subField : subFields)
                        {
                            if (subField.isAnnotationPresent(Excel.class))
                            {
                                subField.setAccessible(true);
                                Excel attr = subField.getAnnotation(Excel.class);
                                this.addCell(attr, row, (T) obj, subField, column + subIndex);
                            }
                            subIndex++;
                        }
                        subFirst = true;
                    }
                    this.subMergedFirstRowNum = this.subMergedFirstRowNum + subList.size();
                }
                else
                {
                    this.addCell(excel, row, vo, field, column++);
                }
            }
        }
    }


    /**
     * 创建表格样式
     *
     * @param wb 工作薄对象
     * @return 样式列表
     */
    private Map<String, CellStyle> createStyles(Workbook wb)
    {
        // 写入各条记录,每条记录对应excel表中的一行
        Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
        CellStyle style = wb.createCellStyle();
        style.setAlignment(HorizontalAlignment.CENTER);
        style.setVerticalAlignment(VerticalAlignment.CENTER);
        Font titleFont = wb.createFont();
        titleFont.setFontName("Arial");
        titleFont.setFontHeightInPoints((short) 16);
        titleFont.setBold(true);
        style.setFont(titleFont);
        styles.put("title", style);


        style = wb.createCellStyle();
        style.setAlignment(HorizontalAlignment.CENTER);
        style.setVerticalAlignment(VerticalAlignment.CENTER);
        style.setBorderRight(BorderStyle.THIN);
        style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
        style.setBorderLeft(BorderStyle.THIN);
        style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
        style.setBorderTop(BorderStyle.THIN);
        style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
        style.setBorderBottom(BorderStyle.THIN);
        style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
        Font dataFont = wb.createFont();
        dataFont.setFontName("Arial");
        dataFont.setFontHeightInPoints((short) 10);
        style.setFont(dataFont);
        styles.put("data", style);


        style = wb.createCellStyle();
        style.setAlignment(HorizontalAlignment.CENTER);
        style.setVerticalAlignment(VerticalAlignment.CENTER);
        Font totalFont = wb.createFont();
        totalFont.setFontName("Arial");
        totalFont.setFontHeightInPoints((short) 10);
        style.setFont(totalFont);
        styles.put("total", style);


        styles.putAll(annotationHeaderStyles(wb, styles));


        styles.putAll(annotationDataStyles(wb));


        return styles;
    }


    /**
     * 根据Excel注解创建表格头样式
     *
     * @param wb 工作薄对象
     * @return 自定义样式列表
     */
    private Map<String, CellStyle> annotationHeaderStyles(Workbook wb, Map<String, CellStyle> styles)
    {
        Map<String, CellStyle> headerStyles = new HashMap<String, CellStyle>();
        for (Object[] os : fields)
        {
            Excel excel = (Excel) os[1];
            String key = StringUtils.format("header_{}_{}", excel.headerColor(), excel.headerBackgroundColor());
            if (!headerStyles.containsKey(key))
            {
                CellStyle style = wb.createCellStyle();
                style.cloneStyleFrom(styles.get("data"));
                style.setAlignment(HorizontalAlignment.CENTER);
                style.setVerticalAlignment(VerticalAlignment.CENTER);
                style.setFillForegroundColor(excel.headerBackgroundColor().index);
                style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
                Font headerFont = wb.createFont();
                headerFont.setFontName("Arial");
                headerFont.setFontHeightInPoints((short) 10);
                headerFont.setBold(true);
                headerFont.setColor(excel.headerColor().index);
                style.setFont(headerFont);
                headerStyles.put(key, style);
            }
        }
        return headerStyles;
    }


    /**
     * 根据Excel注解创建表格列样式
     *
     * @param wb 工作薄对象
     * @return 自定义样式列表
     */
    private Map<String, CellStyle> annotationDataStyles(Workbook wb)
    {
        Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
        for (Object[] os : fields)
        {
            Excel excel = (Excel) os[1];
            String key = StringUtils.format("data_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor());
            if (!styles.containsKey(key))
            {
                CellStyle style = wb.createCellStyle();
                style.setAlignment(excel.align());
                style.setVerticalAlignment(VerticalAlignment.CENTER);
                style.setBorderRight(BorderStyle.THIN);
                style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
                style.setBorderLeft(BorderStyle.THIN);
                style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
                style.setBorderTop(BorderStyle.THIN);
                style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
                style.setBorderBottom(BorderStyle.THIN);
                style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
                style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
                style.setFillForegroundColor(excel.backgroundColor().getIndex());
                Font dataFont = wb.createFont();
                dataFont.setFontName("Arial");
                dataFont.setFontHeightInPoints((short) 10);
                dataFont.setColor(excel.color().index);
                style.setFont(dataFont);
                styles.put(key, style);
            }
        }
        return styles;
    }


    /**
     * 创建单元格
     */
    public Cell createHeadCell(Excel attr, Row row, int column)
    {
        // 创建列
        Cell cell = row.createCell(column);
        // 写入列信息
        cell.setCellValue(attr.name());
        setDataValidation(attr, row, column);
        cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
        if (isSubList())
        {
            // 填充默认样式，防止合并单元格样式失效
            sheet.setDefaultColumnStyle(column, styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
            if (attr.needMerge())
            {
                sheet.addMergedRegion(new CellRangeAddress(rownum - 1, rownum, column, column));
            }
        }
        return cell;
    }


    /**
     * 设置单元格信息
     *
     * @param value 单元格值
     * @param attr 注解相关
     * @param cell 单元格信息
     */
    public void setCellVo(Object value, Excel attr, Cell cell)
    {
        if (ColumnType.STRING == attr.cellType())
        {
            String cellValue = Convert.toStr(value);
            // 对于任何以表达式触发字符 =-+@开头的单元格，直接使用tab字符作为前缀，防止CSV注入。
            if (StringUtils.startsWithAny(cellValue, FORMULA_STR))
            {
                cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
            }
            if (value instanceof Collection && StringUtils.equals("[]", cellValue))
            {
                cellValue = StringUtils.EMPTY;
            }
            cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
        }
        else if (ColumnType.NUMERIC == attr.cellType())
        {
            if (StringUtils.isNotNull(value))
            {
                cell.setCellValue(StringUtils.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value));
            }
        }
        else if (ColumnType.IMAGE == attr.cellType())
        {
            ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1), cell.getRow().getRowNum() + 1);
            String imagePath = Convert.toStr(value);
            if (StringUtils.isNotEmpty(imagePath))
            {
                byte[] data = ImageUtils.getImage(imagePath);
                getDrawingPatriarch(cell.getSheet()).createPicture(anchor,
                        cell.getSheet().getWorkbook().addPicture(data, getImageType(data)));
            }
        }
    }


    /**
     * 获取画布
     */
    public static Drawing<?> getDrawingPatriarch(Sheet sheet)
    {
        if (sheet.getDrawingPatriarch() == null)
        {
            sheet.createDrawingPatriarch();
        }
        return sheet.getDrawingPatriarch();
    }


    /**
     * 获取图片类型,设置图片插入类型
     */
    public int getImageType(byte[] value)
    {
        String type = FileTypeUtils.getFileExtendName(value);
        if ("JPG".equalsIgnoreCase(type))
        {
            return Workbook.PICTURE_TYPE_JPEG;
        }
        else if ("PNG".equalsIgnoreCase(type))
        {
            return Workbook.PICTURE_TYPE_PNG;
        }
        return Workbook.PICTURE_TYPE_JPEG;
    }


    /**
     * 创建表格样式
     */
    public void setDataValidation(Excel attr, Row row, int column)
    {
        if (attr.name().indexOf("注：") >= 0)
        {
            sheet.setColumnWidth(column, 6000);
        }
        else
        {
            // 设置列宽
            sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
        }
                //TODO 枚举
        if(StringUtils.isNotEmpty(attr.dictType())) {//有字典 则取字典下拉
            setXSSFValidationWithHidden(sheet, DictUtils.getLabelArr(attr.dictType()),attr.prompt(), 1, 100, column, column);
        }else
        if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
        {
            if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255)
            {
                // 如果下拉数大于15或字符串长度大于255，则使用一个新sheet存储，避免生成的模板下拉值获取不到
                setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
            }
            else
            {
                // 提示信息或只能选择不能输入的列内容.
                setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
            }
        }
    }


    /**
     * 添加单元格
     */
    public Cell addCell(Excel attr, Row row, T vo, Field field, int column)
    {
        Cell cell = null;
        try
        {
            // 设置行高
            row.setHeight(maxHeight);
            // 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
            if (attr.isExport())
            {
                // 创建cell
                cell = row.createCell(column);
                if (isSubListValue(vo) && getListCellValue(vo).size() > 1 && attr.needMerge())
                {
                    CellRangeAddress cellAddress = new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column);
                    sheet.addMergedRegion(cellAddress);
                }
                cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));


                // 用于读取对象中的属性
                Object value = getTargetValue(vo, field, attr);
                String dateFormat = attr.dateFormat();
                String readConverterExp = attr.readConverterExp();
                String separator = attr.separator();
                String dictType = attr.dictType();
                if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
                {
                    cell.setCellValue(parseDateToStr(dateFormat, value));
                }
                else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
                {
                    cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator));
                }
                else if (value instanceof BigDecimal && -1 != attr.scale())
                {
                    cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).doubleValue());
                }
                else if (!attr.handler().equals(ExcelHandlerAdapter.class))
                {
                    cell.setCellValue(dataFormatHandlerAdapter(value, attr));
                }
                else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value))
                {
                    cell.setCellValue(convertByDictType(dictType, String.valueOf(value)));
                }
//修改ExcelUtil工具类中importExcel,新增分支判断
                else if (StringUtils.isNotEmpty(attr.dictType()))
                {
                    value = reverseByDictType(attr.dictType(), String.valueOf(value));
                }
                else
                {
                    // 设置列类型
                    setCellVo(value, attr, cell);
                }
                addStatisticsData(column, Convert.toStr(value), attr);
            }
        }
        catch (Exception e)
        {
            log.error("导出Excel失败{}", e);
        }
        return cell;
    }


    /**
     * 设置 POI XSSFSheet 单元格提示或选择框
     *
     * @param sheet 表单
     * @param textlist 下拉框显示的内容
     * @param promptContent 提示内容
     * @param firstRow 开始行
     * @param endRow 结束行
     * @param firstCol 开始列
     * @param endCol 结束列
     */
    public void setPromptOrValidation(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow,
            int firstCol, int endCol)
    {
        DataValidationHelper helper = sheet.getDataValidationHelper();
        DataValidationConstraint constraint = textlist.length > 0 ? helper.createExplicitListConstraint(textlist) : helper.createCustomConstraint("DD1");
        CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
        DataValidation dataValidation = helper.createValidation(constraint, regions);
        if (StringUtils.isNotEmpty(promptContent))
        {
            // 如果设置了提示信息则鼠标放上去提示
            dataValidation.createPromptBox("", promptContent);
            dataValidation.setShowPromptBox(true);
        }
        // 处理Excel兼容性问题
        if (dataValidation instanceof XSSFDataValidation)
        {
            dataValidation.setSuppressDropDownArrow(true);
            dataValidation.setShowErrorBox(true);
        }
        else
        {
            dataValidation.setSuppressDropDownArrow(false);
        }
        sheet.addValidationData(dataValidation);
    }


    /**
     * 设置某些列的值只能输入预制的数据,显示下拉框（兼容超出一定数量的下拉框）.
     *
     * @param sheet 要设置的sheet.
     * @param textlist 下拉框显示的内容
     * @param promptContent 提示内容
     * @param firstRow 开始行
     * @param endRow 结束行
     * @param firstCol 开始列
     * @param endCol 结束列
     */
    public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol)
    {
        String hideSheetName = "combo_" + firstCol + "_" + endCol;
        Sheet hideSheet = wb.createSheet(hideSheetName); // 用于存储 下拉菜单数据
        for (int i = 0; i < textlist.length; i++)
        {
            hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
        }
        // 创建名称，可被其他单元格引用
        Name name = wb.createName();
        name.setNameName(hideSheetName + "_data");
        name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);
        DataValidationHelper helper = sheet.getDataValidationHelper();
        // 加载下拉列表内容
        DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");
        // 设置数据有效性加载在哪个单元格上,四个参数分别是：起始行、终止行、起始列、终止列
        CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
        // 数据有效性对象
        DataValidation dataValidation = helper.createValidation(constraint, regions);
        if (StringUtils.isNotEmpty(promptContent))
        {
            // 如果设置了提示信息则鼠标放上去提示
            dataValidation.createPromptBox("", promptContent);
            dataValidation.setShowPromptBox(true);
        }
        // 处理Excel兼容性问题
        if (dataValidation instanceof XSSFDataValidation)
        {
            dataValidation.setSuppressDropDownArrow(true);
            dataValidation.setShowErrorBox(true);
        }
        else
        {
            dataValidation.setSuppressDropDownArrow(false);
        }


        sheet.addValidationData(dataValidation);
        // 设置hiddenSheet隐藏
        wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);
    }


    /**
     * 解析导出值 0=男,1=女,2=未知
     *
     * @param propertyValue 参数值
     * @param converterExp 翻译注解
     * @param separator 分隔符
     * @return 解析后值
     */
    public static String convertByExp(String propertyValue, String converterExp, String separator)
    {
        StringBuilder propertyString = new StringBuilder();
        String[] convertSource = converterExp.split(",");
        for (String item : convertSource)
        {
            String[] itemArray = item.split("=");
            if (StringUtils.containsAny(propertyValue, separator))
            {
                for (String value : propertyValue.split(separator))
                {
                    if (itemArray[0].equals(value))
                    {
                        propertyString.append(itemArray[1] + separator);
                        break;
                    }
                }
            }
            else
            {
                if (itemArray[0].equals(propertyValue))
                {
                    return itemArray[1];
                }
            }
        }
        return StringUtils.stripEnd(propertyString.toString(), separator);
    }


    /**
     * 反向解析值 男=0,女=1,未知=2
     *
     * @param propertyValue 参数值
     * @param converterExp 翻译注解
     * @param separator 分隔符
     * @return 解析后值
     */
    public static String reverseByExp(String propertyValue, String converterExp, String separator)
    {
        StringBuilder propertyString = new StringBuilder();
        String[] convertSource = converterExp.split(",");
        for (String item : convertSource)
        {
            String[] itemArray = item.split("=");
            if (StringUtils.containsAny(propertyValue, separator))
            {
                for (String value : propertyValue.split(separator))
                {
                    if (itemArray[1].equals(value))
                    {
                        propertyString.append(itemArray[0] + separator);
                        break;
                    }
                }
            }
            else
            {
                if (itemArray[1].equals(propertyValue))
                {
                    return itemArray[0];
                }
            }
        }
        return StringUtils.stripEnd(propertyString.toString(), separator);
    }


    /**
     * 数据处理器
     *
     * @param value 数据值
     * @param excel 数据注解
     * @return
     */
    public String dataFormatHandlerAdapter(Object value, Excel excel)
    {
        try
        {
            Object instance = excel.handler().newInstance();
            Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class });
            value = formatMethod.invoke(instance, value, excel.args());
        }
        catch (Exception e)
        {
            log.error("不能格式化数据 " + excel.handler(), e.getMessage());
        }
        return Convert.toStr(value);
    }


    /**
     * 合计统计信息
     */
    private void addStatisticsData(Integer index, String text, Excel entity)
    {
        if (entity != null && entity.isStatistics())
        {
            Double temp = 0D;
            if (!statistics.containsKey(index))
            {
                statistics.put(index, temp);
            }
            try
            {
                temp = Double.valueOf(text);
            }
            catch (NumberFormatException e)
            {
            }
            statistics.put(index, statistics.get(index) + temp);
        }
    }


    /**
     * 创建统计行
     */
    public void addStatisticsRow()
    {
        if (statistics.size() > 0)
        {
            Row row = sheet.createRow(sheet.getLastRowNum() + 1);
            Set<Integer> keys = statistics.keySet();
            Cell cell = row.createCell(0);
            cell.setCellStyle(styles.get("total"));
            cell.setCellValue("合计");


            for (Integer key : keys)
            {
                cell = row.createCell(key);
                cell.setCellStyle(styles.get("total"));
                cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
            }
            statistics.clear();
        }
    }


    /**
     * 获取bean中的属性值
     *
     * @param vo 实体对象
     * @param field 字段
     * @param excel 注解
     * @return 最终的属性值
     * @throws Exception
     */
    private Object getTargetValue(T vo, Field field, Excel excel) throws Exception
    {
        Object o = field.get(vo);
        if (StringUtils.isNotEmpty(excel.targetAttr()))
        {
            String target = excel.targetAttr();
            if (target.contains("."))
            {
                String[] targets = target.split("[.]");
                for (String name : targets)
                {
                    o = getValue(o, name);
                }
            }
            else
            {
                o = getValue(o, target);
            }
        }
        return o;
    }


    /**
     * 以类的属性的get方法方法形式获取值
     *
     * @param o
     * @param name
     * @return value
     * @throws Exception
     */
    private Object getValue(Object o, String name) throws Exception
    {
        if (StringUtils.isNotNull(o) && StringUtils.isNotEmpty(name))
        {
            Class<?> clazz = o.getClass();
            Field field = clazz.getDeclaredField(name);
            field.setAccessible(true);
            o = field.get(o);
        }
        return o;
    }


    /**
     * 得到所有定义字段
     */
    private void createExcelField()
    {
        this.fields = getFields();
        this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
        this.maxHeight = getRowHeight();
    }


    /**
     * 获取字段注解信息
     */
    public List<Object[]> getFields()
    {
        List<Object[]> fields = new ArrayList<Object[]>();
        List<Field> tempFields = new ArrayList<>();
        tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
        tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
        for (Field field : tempFields)
        {
            if (!ArrayUtils.contains(this.excludeFields, field.getName()))
            {
                // 单注解
                if (field.isAnnotationPresent(Excel.class))
                {
                    Excel attr = field.getAnnotation(Excel.class);
                    if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
                    {
                        field.setAccessible(true);
                        fields.add(new Object[] { field, attr });
                    }
                    if (Collection.class.isAssignableFrom(field.getType()))
                    {
                        subMethod = getSubMethod(field.getName(), clazz);
                        ParameterizedType pt = (ParameterizedType) field.getGenericType();
                        Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
                        this.subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);
                    }
                }


                // 多注解
                if (field.isAnnotationPresent(Excels.class))
                {
                    Excels attrs = field.getAnnotation(Excels.class);
                    Excel[] excels = attrs.value();
                    for (Excel attr : excels)
                    {
                        if (!ArrayUtils.contains(this.excludeFields, field.getName() + "." + attr.targetAttr())
                                && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))
                        {
                            field.setAccessible(true);
                            fields.add(new Object[] { field, attr });
                        }
                    }
                }
            }
        }
        return fields;
    }


    /**
     * 根据注解获取最大行高
     */
    public short getRowHeight()
    {
        double maxHeight = 0;
        for (Object[] os : this.fields)
        {
            Excel excel = (Excel) os[1];
            maxHeight = Math.max(maxHeight, excel.height());
        }
        return (short) (maxHeight * 20);
    }


    /**
     * 创建一个工作簿
     */
    public void createWorkbook()
    {
        this.wb = new SXSSFWorkbook(500);
        this.sheet = wb.createSheet();
        wb.setSheetName(0, sheetName);
        this.styles = createStyles(wb);
    }


    /**
     * 创建工作表
     *
     * @param sheetNo sheet数量
     * @param index 序号
     */
    public void createSheet(int sheetNo, int index)
    {
        // 设置工作表的名称.
        if (sheetNo > 1 && index > 0)
        {
            this.sheet = wb.createSheet();
            this.createTitle();
            wb.setSheetName(index, sheetName + index);
        }
    }


    /**
     * 获取单元格值
     *
     * @param row 获取的行
     * @param column 获取单元格列号
     * @return 单元格值
     */
    public Object getCellValue(Row row, int column)
    {
        if (row == null)
        {
            return row;
        }
        Object val = "";
        try
        {
            Cell cell = row.getCell(column);
            if (StringUtils.isNotNull(cell))
            {
                if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA)
                {
                    val = cell.getNumericCellValue();
                    if (DateUtil.isCellDateFormatted(cell))
                    {
                        val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换
                    }
                    else
                    {
                        if ((Double) val % 1 != 0)
                        {
                            val = new BigDecimal(val.toString());
                        }
                        else
                        {
                            val = new DecimalFormat("0").format(val);
                        }
                    }
                }
                else if (cell.getCellType() == CellType.STRING)
                {
                    val = cell.getStringCellValue();
                }
                else if (cell.getCellType() == CellType.BOOLEAN)
                {
                    val = cell.getBooleanCellValue();
                }
                else if (cell.getCellType() == CellType.ERROR)
                {
                    val = cell.getErrorCellValue();
                }


            }
        }
        catch (Exception e)
        {
            return val;
        }
        return val;
    }


    /**
     * 判断是否是空行
     *
     * @param row 判断的行
     * @return
     */
    private boolean isRowEmpty(Row row)
    {
        if (row == null)
        {
            return true;
        }
        for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++)
        {
            Cell cell = row.getCell(i);
            if (cell != null && cell.getCellType() != CellType.BLANK)
            {
                return false;
            }
        }
        return true;
    }


    /**
     * 格式化不同类型的日期对象
     *
     * @param dateFormat 日期格式
     * @param val 被格式化的日期对象
     * @return 格式化后的日期字符
     */
    public String parseDateToStr(String dateFormat, Object val)
    {
        if (val == null)
        {
            return "";
        }
        String str;
        if (val instanceof Date)
        {
            str = DateUtils.parseDateToStr(dateFormat, (Date) val);
        }
        else if (val instanceof LocalDateTime)
        {
            str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val));
        }
        else if (val instanceof LocalDate)
        {
            str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val));
        }
        else
        {
            str = val.toString();
        }
        return str;
    }


    /**
     * 是否有对象的子列表
     */
    public boolean isSubList()
    {
        return StringUtils.isNotNull(subFields) && subFields.size() > 0;
    }


    /**
     * 是否有对象的子列表，集合不为空
     */
    public boolean isSubListValue(T vo)
    {
        return StringUtils.isNotNull(subFields) && subFields.size() > 0 && StringUtils.isNotNull(getListCellValue(vo)) && getListCellValue(vo).size() > 0;
    }


    /**
     * 获取集合的值
     */
    public Collection<?> getListCellValue(Object obj)
    {
        Object value;
        try
        {
            value = subMethod.invoke(obj, new Object[] {});
        }
        catch (Exception e)
        {
            return new ArrayList<Object>();
        }
        return (Collection<?>) value;
    }


    /**
     * 获取对象的子列表方法
     *
     * @param name 名称
     * @param pojoClass 类对象
     * @return 子列表方法
     */
    public Method getSubMethod(String name, Class<?> pojoClass)
    {
        StringBuffer getMethodName = new StringBuffer("get");
        getMethodName.append(name.substring(0, 1).toUpperCase());
        getMethodName.append(name.substring(1));
        Method method = null;
        try
        {
            method = pojoClass.getMethod(getMethodName.toString(), new Class[] {});
        }
        catch (Exception e)
        {
            log.error("获取对象异常{}", e.getMessage());
        }
        return method;
    }


    /**
     * 对excel表单默认第一个索引名转换成list（EasyExcel）
     *
     * @param is 输入流
     * @return 转换后集合
     */
    public List<T> importEasyExcel(InputStream is) throws Exception
    {
        return EasyExcel.read(is).head(clazz).sheet().doReadSync();
    }


    /**
     * 对list数据源将其里面的数据导入到excel表单（EasyExcel）
     *
     * @param list 导出数据集合
     * @param sheetName 工作表的名称
     * @return 结果
     */
    public void exportEasyExcel(HttpServletResponse response, List<T> list, String sheetName)
    {
        try
        {
            EasyExcel.write(response.getOutputStream(), clazz).sheet(sheetName).doWrite(list);
        }
        catch (IOException e)
        {
            log.error("导出EasyExcel异常{}", e.getMessage());
        }
    }


    /**
     * 根据字典类型解析导出值 0=男,1=女,2=未知(导出)
     * @Title convertByDictType
     * @author yuyehong@cloudwalk.cn
     * @date 18:17 2020/6/23
     * @param dictType 字典类型
     * @param dictValue 字典值
     * @return java.lang.String
     */
    private String convertByDictType(String dictType, String dictValue) throws Exception {
        try {
            Class<?> dictUtils = Class.forName("com.ruoyi.common.core.utils.poi.DictUtils");
            Object dictLabel = dictUtils.getMethod("getDictLabel", String.class, String.class,
                    String.class).invoke(dictUtils.newInstance(), dictType, dictValue.trim(), "");
            return String.valueOf(dictLabel.toString());
        } catch (Exception e) {
            throw e;
        }
    }
    /**
     * 根据字典类型反向解析值 （导入使用）
     * 例：男=0,女=1,未知=2
     * @Title reverseByDictType
     * @author yuyehong@cloudwalk.cn
     * @date 18:07 2020/6/23
     * @param dictType 字典类型
     * @param dictLabel 字典标签
     * @return java.lang.String
     */
    private String reverseByDictType(String dictType, String dictLabel) throws Exception {
        try {
            Class<?> dictUtils = Class.forName("com.ruoyi.common.core.utils.poi.DictUtils");
            Object dictValue = dictUtils.getMethod("getDictValue", String.class, String.class,
                    String.class).invoke(dictUtils.newInstance(), dictType, dictLabel.trim(), "0");
            return String.valueOf(dictValue);
        } catch (Exception e) {
            throw e;
        }
    }


}

<dependency>
            <groupId>com.alibaba.fastjson2</groupId>
            <artifactId>fastjson2</artifactId>
        </dependency>
<!--        为了做字典的动态下去掉了-->
        <!-- RuoYi Common Core-->
<!--        <dependency>-->
<!--            <groupId>com.ruoyi</groupId>-->
<!--            <artifactId>ruoyi-common-core</artifactId>-->
<!--        </dependency>-->

<dependency>
    <groupId>com.ruoyi</groupId>
    <artifactId>ruoyi-common-core</artifactId>
</dependency>

如果是固定的可以直接用combo = {"底线思维","基础技能","技能提升","政治理论","专业技能","其他"}
/** 类别 */
@Excel(name = "类别",dictType = "train_type")
private String type;