@ExcelField(title = "学号", order = 1)
@I18nField(titles = {"en-us|student id"})
private Long id;

@ExcelField(title = "姓名", order = 2)
@I18nField(titles = {"en-us|name"})
private String name;

// 写入数据转换器 Student2DateConverter
@ExcelField(title = "入学日期", order = 3, writeConverter = Student2DateConverter.class)
@I18nField(titles = {"en-us|enroll date"})
private Date date;

@ExcelField(title = "班级", order = 4)
@I18nField(titles = {"en-us|class"})
private Integer classes;

// 读写数据转换器 Student2ExpelRealConverter
@ExcelField(title = "是否开除", order = 5, readConverter = Student2ExpelRealConverter.class, writeConverter = Student2ExpelWriteConverter.class)
@I18nField(titles = {"en-us|is expel?"})
private boolean expel;