文件压缩250图片格式

rs-universal/rs-universal-server/src/main/java/com/upyuns/platform/rs/universal/controller/UploadController.java

@@ -130,6 +130,24 @@ public class UploadController{
         return JsonResultUtil.createSuccessResultWithObj(uploadService.uploadFile(file,prefix));
     }
 
+
+
+    @RequestMapping(value = "/app/unauth/admin/upload250", method = RequestMethod.POST)
+    public JSONObject uploads250(
+            @RequestParam("file") MultipartFile file,
+            @RequestParam(value = "prefix",defaultValue = "admin")String prefix
+    )throws Exception {
+        String contentType = file.getContentType();   //图片文件类型
+//        String fileName = file.getOriginalFilename();  //图片名字
+       /* if (!contentType.equals("image/jpeg") && !contentType.equals("image/gif")&&!contentType.equals("image/png")) {
+            return JsonResultUtil.createFailedResult(2001,"格式不对!!!");
+        }*/
+//        if (file.getSize() > MAX_DRIVING_LICENSE_SIZE) {
+//            return JsonResultUtil.createFailedResult(2002,"大小超过限制!!!");
+//        }
+        return JsonResultUtil.createSuccessResultWithObj(uploadService.uploadFile250(file,prefix));
+    }
+
     @RequestMapping(value = "/app/unauth/shp/upload", method = RequestMethod.POST)
     public ObjectRestResponse shpUploads(
             @RequestParam("file") MultipartFile file,

rs-universal/rs-universal-server/src/main/java/com/upyuns/platform/rs/universal/service/UploadService.java

@@ -25,6 +25,7 @@ import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.imageio.ImageIO;
 import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.File;
@@ -102,6 +103,41 @@ public class    UploadService {
         return realFileRelPath;
     }
 
+
+    public String uploadFile250(MultipartFile file, String prefix) throws Exception {
+        // 创建本日存放目录
+        DateTime now = DateTime.now();
+        String dirPathToday = "/" + prefix + "/" + now.toString(DEFAULT_DATE_TIME_FORMATTER);
+        String redisNoKey = RedisKey.UPLOAD_FILE_NO_PREFIX + now.toString(DEFAULT_DATE_TIME_FORMATTER);
+        Long no = redisTemplate.opsForValue().increment(redisNoKey);
+        if (no.equals(1L)) {
+            redisTemplate.expire(redisNoKey, 1, TimeUnit.DAYS);
+        }
+        String fileName = file.getOriginalFilename();
+        String realFileRelPath = dirPathToday + "/" + no + fileName.substring(fileName.lastIndexOf("."));
+        // 文件存放路径
+        String filePath = baseUploadPath + realFileRelPath;
+        // 将文件写入指定位置
+        FileUtils.copyInputStreamToFile(file.getInputStream(), new File(filePath));
+
+        // 将上传的图片压缩成250*250的尺寸
+        BufferedImage originalImage = ImageIO.read(new File(filePath));
+        BufferedImage resizedImage = new BufferedImage(250, 250, originalImage.getType());
+        Graphics2D g = resizedImage.createGraphics();
+        g.drawImage(originalImage, 0, 0, 250, 250, null);
+        g.dispose();
+
+        // 保存压缩后的图片
+        String compressedFilePath = baseUploadPath + dirPathToday + "/compressed_" + no + ".jpg";
+        ImageIO.write(resizedImage, "jpg", new File(compressedFilePath));
+
+        realFileRelPath = xx_url + SystemConfig.XXMP_URL + realFileRelPath;
+        return realFileRelPath;
+    }
+
+
+
+
     /**
      * 写入上传文件，返回相对路径
      * @param file