diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java index c8f7e3ad0fb6a7f81b690235b3ac1a219c589ca5..3cf7c38a1bcc178b834cd088366bfd79685f3a69 100644 --- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java +++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java @@ -5,6 +5,7 @@ import javax.servlet.http.HttpServletResponse; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.http.MediaType; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PostMapping; @@ -18,6 +19,10 @@ import com.ruoyi.common.utils.StringUtils; import com.ruoyi.common.utils.file.FileUploadUtils; import com.ruoyi.common.utils.file.FileUtils; +import java.io.File; +import java.net.URLEncoder; +import java.nio.charset.StandardCharsets; + /** * 通用请求处理 * @@ -49,10 +54,9 @@ public class CommonController String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1); String filePath = Global.getDownloadPath() + fileName; - response.setCharacterEncoding("utf-8"); - response.setContentType("multipart/form-data"); - response.setHeader("Content-Disposition", - "attachment;fileName=" + FileUtils.setFileDownloadHeader(request, realFileName)); + response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE); + FileUtils.setAttachmentResponseHeader(response,realFileName); + FileUtils.writeBytes(filePath, response.getOutputStream()); if (delete) { @@ -103,10 +107,10 @@ public class CommonController String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX); // 下载名称 String downloadName = StringUtils.substringAfterLast(downloadPath, "/"); - response.setCharacterEncoding("utf-8"); - response.setContentType("multipart/form-data"); - response.setHeader("Content-Disposition", - "attachment;fileName=" + FileUtils.setFileDownloadHeader(request, downloadName)); + + response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE); + FileUtils.setAttachmentResponseHeader(response,downloadName); + FileUtils.writeBytes(downloadPath, response.getOutputStream()); } } diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java index f0dee601b275a13380e0efb69919a260f17107c1..f36a35d658096a133e3f8f77eaf53d17dbb5160a 100644 --- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java +++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java @@ -7,7 +7,9 @@ import java.io.IOException; import java.io.OutputStream; import java.io.UnsupportedEncodingException; import java.net.URLEncoder; +import java.nio.charset.StandardCharsets; import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; /** * 文件处理工具类 @@ -139,4 +141,37 @@ public class FileUtils extends org.apache.commons.io.FileUtils } return filename; } + + /** + * 下载文件名重新编码 + * + * @param response 响应对象 + * @param realFileName 真实文件名 + * @return + */ + public static void setAttachmentResponseHeader(HttpServletResponse response,String realFileName) throws UnsupportedEncodingException { + String percentEncodedFileName = percentEncode(realFileName); + + StringBuilder contentDispositionValue = new StringBuilder(); + contentDispositionValue.append("attachment; filename=") + .append(percentEncodedFileName) + .append(";") + .append("filename*=") + .append("utf-8''") + .append(percentEncodedFileName); + + response.setHeader("Content-disposition", + contentDispositionValue.toString()); + } + + /** + * 百分号编码工具方法 + * + * @param s 需要百分号编码的字符串 + * @return 百分号编码后的字符串 + */ + public static String percentEncode(String s) throws UnsupportedEncodingException { + String encode = URLEncoder.encode(s, StandardCharsets.UTF_8.toString()); + return encode .replaceAll("\\+", "%20"); + } }