增加导入文件的下载功能

src/main/java/org/springblade/flow/datalog/controller/DataImportLogController.java

@@ -1,6 +1,8 @@
 package org.springblade.flow.datalog.controller;
 
+import java.io.File;
 import java.io.IOException;
+import java.net.URLEncoder;
 
 import javax.servlet.http.HttpServletResponse;
 
@@ -20,6 +22,7 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 
+import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.io.IORuntimeException;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
@@ -34,8 +37,8 @@ import io.swagger.annotations.ApiOperation;
 @Api(tags = "AA表单数据导入记录接口", value = "DataExportTasDataImportLogkLog")
 public class DataImportLogController {
 
-	@Value("${blade.file.formDir}")
-	private String formDir;
+	@Value("${blade.file.uploadPath}")
+	private String uploadDir;
 
 	@Autowired
 	private DataImportLogService importLogService;
@@ -56,14 +59,15 @@ public class DataImportLogController {
 	@ApiOperation(value = "下载当时导入的Excel文件")
 	public void download(Long id, HttpServletResponse response) throws IORuntimeException, IOException {
 		DataImportLog dataLog = importLogService.getById(id);
-//		File file = new File(formDir + dataLog.getFileName());
-//		if (file != null && file.exists() && file.isFile()) {
-//			response.setContentType("application/vnd.ms-excel");
-//			response.setCharacterEncoding("utf-8");
-//			String fileName = URLEncoder.encode(dataLog.getName(), "UTF-8");
-//			response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
-//			response.getOutputStream().write(FileUtil.readBytes(file));
-//			response.getOutputStream().flush();
-//		}
+		String filePath = uploadDir + dataLog.getFilePath().replace("uploads/", "");
+		File file = new File(filePath);
+		if (file != null && file.exists() && file.isFile()) {
+			response.setContentType("application/vnd.ms-excel");
+			response.setCharacterEncoding("utf-8");
+			String fileName = URLEncoder.encode(dataLog.getName(), "UTF-8");
+			response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
+			response.getOutputStream().write(FileUtil.readBytes(file));
+			response.getOutputStream().flush();
+		}
 	}
 }