文件下载

src/main/java/com/xjrsoft/module/system/controller/FileController.java

@@ -6,6 +6,7 @@ import cn.hutool.core.img.ImgUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.core.toolkit.IdWorker;
 import com.baomidou.mybatisplus.core.toolkit.StringPool;
@@ -243,4 +244,21 @@ public class FileController {
         }
         return RT.fileStream(resultBtyeAry_temp, encodedFileName + ".zip");
     }
+
+    @GetMapping("/downloadFile")
+    @ApiOperation(value = "按照上传文件名下载文件")
+    public ResponseEntity<byte[]> downloadFile(@RequestParam Long folderId){
+        byte[] resultBtyeAry_temp = fileService.downloadFileByZip(folderId);
+        File file = fileService.getOne(
+                new QueryWrapper<File>().lambda()
+                        .eq(File::getFolderId, folderId)
+        );
+        String encodedFileName = "";
+        try{
+            encodedFileName = URLEncoder.encode(file.getFileName(), "UTF-8");
+        }catch (Exception e){
+
+        }
+        return RT.fileStream(resultBtyeAry_temp, encodedFileName + file.getFileType());
+    }
 }