<!--跨服務器上傳文件-->
 <dependency>
   <groupId>com.sun.jersey</groupId>
   <artifactId>jersey-core</artifactId>
   <version>1.18.1</version>
 </dependency>

 <dependency>
   <groupId>com.sun.jersey</groupId>
   <artifactId>jersey-client</artifactId>
   <version>1.18.1</version>
</dependency>

<h3>跨服務器文件上傳</h3>

<form action="/user/fileupload" method="post" enctype="multipart/form-data">
  選擇文件：<input type="file" name="upload"><br>
<input type="submit" value="上傳">
</form>

@Controller
@RequestMapping("/user")
public class UserConteoller {

 /**
  * 跨服務器文件上傳
  * @return
  */
 @RequestMapping("/fileupload")
 public String fileupload(HttpServletRequest request, MultipartFile upload) throws Exception {
  System.out.println("文件上傳");

  //定義上傳文件服務器路徑
  String path = "http://localhost:9090/uploads/";

  //獲取上傳文件的名稱
  String filename = upload.getOriginalFilename();
  System.out.println(filename);
  //把文件的名稱設置位置 uuid
  String uuid = UUID.randomUUID().toString().replace("-", "");
  System.out.println(uuid);
  filename = uuid + "_" + filename;

  //完成跨服務器上傳
  //創(chuàng)建客戶端對象
  Client client = Client.create();
  //和圖片服務器進行連接
  WebResource webResource = client.resource(path + filename);

  //上傳文件
  webResource.put(upload.getBytes());
  return "success";
 }
}