spring post 图片

@RequestMapping(value = "/post",method = RequestMethod.POST)
    @ResponseBody
     String GPost(@RequestParam("img1") MultipartFile[] img1,@RequestParam("img2") MultipartFile[] img2) throws IOException {
 
    	byte[] bytes1 = img1[0].getBytes();
    	byte[] bytes2 = img2[0].getBytes(); 
 
    	 HttpEntity reqEntity = MultipartEntityBuilder.create()
         		.addPart("img1", new ByteArrayBody(bytes1, "img1"))
         		.addPart("img2", new ByteArrayBody(bytes2, "img2"))
         		.build();
 
    	 String result="0";
    	 CloseableHttpClient httpclient = HttpClients.createDefault();
         try {
             HttpPost httppost = new HttpPost("http://1.6.1.192:806/F/Comp");
 
             httppost.setEntity(reqEntity);
 
             System.out.println("executing request " + httppost.getRequestLine());
             CloseableHttpResponse response = httpclient.execute(httppost);
 
             int code = response.getStatusLine().getStatusCode(); // 这个取HTTP状态码。
             if (code == 302) {
            	 result="302";
             }
 
             try {
                 System.out.println("----------------------------------------");
                 System.out.println(response.getStatusLine());
                 HttpEntity resEntity = response.getEntity();
                 if (resEntity != null) {
                     System.out.println("Response content length: " + resEntity.getContentLength());
                     result = EntityUtils.toString(resEntity);
                 }
                 EntityUtils.consume(resEntity);
 
             } finally {
                 response.close();
             }
         } finally {
             httpclient.close();
         }
 
        return result; 
 
     }
}