springmvc+ajax+formdata上传图片代码实例

<bean id="multipartResolver"
    class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    <!-- one of the properties available; the maximum file size in bytes -->
    <property name="maxUploadSize" value="50000000"/>
  </bean>

<form action="picUpload" method="post" enctype="multipart/form-data" id="fileForm">
  <input type="file" id="pic" name="pic" multiple><br><br>　　
  <input type="text" id="id" name="id"><br><br>
  <input type="text" id="name" name="name"><br><br>
  <input type="button" value="上传" onclick="morePicUpload()"> </form>

function morePicUpload(){
  var formData = new FormData(document.getElementById("fileForm"));
  alert(0);
  $.ajax({
    url : basePath+"morePicUpload",
    type : "post",
    data :formData,
    async : false,
    cache : false,　　　　　dataType : "json",
    contentType : false,
    processData : false,
    success : function(data){
      //code
    }
  });
}

@RequestMapping("/morePicUpload")
  @ResponseBody
  public ResultTo morePicUpload(HttpServletRequest request){    
    ResultTo resultTo = new ResultTo();
    resultTo.setData("");    
    MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
        
    String id = multipartRequest.getParameter("id");
    String name = multipartRequest.getParameter("name");
    System.out.println(id);
    System.out.println(name);    
    List<MultipartFile> filelist = multipartRequest.getFiles("pic");
    for(MultipartFile file:filelist){
      if(!file.isEmpty()){
        System.out.println(file.getOriginalFilename());
      }
    }
    return resultTo;
  }