上传头像，layui上传图片

layui上传与bootstrap上传相似，只是不需要下插件，

layui自带的已够用先看一下前台界面，这里是用到的上传头像

先点击开始上传，头像上传至服务器中，

返回json添加至form表单中，与其他数据一起提交

先看一下jsp界面

 <%@ page language="java" contentType="text/html; charset=UTF-8"

     pageEncoding="UTF-8"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

 <html>

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

 <title>个人资料</title>

 <link href="${pageContext.request.contextPath }/js/layui/css/layui.css"

     rel="stylesheet" />

 <script src="${pageContext.request.contextPath }/js/layui/layui.js"

     charset="utf-8"></script>

 <script src="${pageContext.request.contextPath }/js/jquery-1.8.3.js"></script>

 <script type="text/javascript">

         layui.use('upload',function(){

             var upload = layui.upload;

             upload.render({

                 elem: '#fileBtn'

                 ,url: '../updatePersonalById.do'

                 ,accept: 'file'

                 ,auto: false

                 ,bindAction: '#uploadBtn'

                 ,done: function(res){

                     alert(res.data.src);

                     $("[name=userImage]").val(res.data.src);

                 }

             });

         });

     </script>

 </head>

 <body>

     <form class="layui-form" action="../updatePersonalByIdSuccess.do" method="post" charset="utf-8" target="_parent">

          <div class="layui-form-item" style="margin-top: 20px;">

             <label class="layui-form-label">编号</label>

             <div class="layui-input-block">

               <input type="text" name="userId" required  lay-verify="required" value="${ui.userId }" autocomplete="off" readonly="readonly" class="layui-input">

             </div>

           </div>

            <div class="layui-form-item" style="margin-top: 20px;">

             <label class="layui-form-label">登录名</label>

             <div class="layui-input-block">

               <input type="text" name="userName" required  lay-verify="required" value="${ui.userName }" autocomplete="off" readonly="readonly" class="layui-input">

             </div>

           </div>

            <div class="layui-form-item" style="margin-top: 20px;">

             <label class="layui-form-label">密码</label>

             <div class="layui-input-block">

               <input type="password" name="userPwd" required  lay-verify="required" value="${ui.userPwd }" autocomplete="off" class="layui-input">

             </div>

           </div>

           <div class="layui-form-item" style="margin-top: 20px;">

             <label class="layui-form-label">确认密码</label>

             <div class="layui-input-block">

               <input type="password" name="reuserPwd" required  lay-verify="required" value="${ui.userPwd }" autocomplete="off" class="layui-input">

             </div>

           </div>

            <div class="layui-form-item" style="margin-top: 20px;">

             <label class="layui-form-label">真实姓名</label>

             <div class="layui-input-block">

               <input type="text" name="userrealName" required  lay-verify="required" value="${ui.userrealName }" autocomplete="off" class="layui-input">

             </div>

           </div>

            <div class="layui-form-item" style="margin-top: 20px;">

             <label class="layui-form-label">电话</label>

             <div class="layui-input-block">

               <input type="text" name="userPhone" required  lay-verify="required" value="${ui.userPhone }" autocomplete="off" class="layui-input">

             </div>

           </div>

            <div class="layui-form-item" style="margin-top: 20px;">

             <label class="layui-form-label">地址</label>

             <div class="layui-input-block">

               <input type="text" name="userAds" required  lay-verify="required" value="${ui.userAds }" autocomplete="off" class="layui-input">

             </div>

           </div>

           <div class="layui-upload">

                 <label class="layui-form-label">头像:</label>

                 <div class="layui-upload layui-input-block">

                     <input type="hidden" name="userImage" value="${ui.userImage }" required lay-verify="required" />

                     <button type="button" class="layui-btn layui-btn-primary" id="fileBtn"><i class="layui-icon"></i>选择文件</button>

                     <button type="button" class="layui-btn layui-btn-warm" id="uploadBtn">开始上传</button>

                 </div>

             </div>

              <div class="layui-form-item" style="margin-top: 20px;">

                   <div class="layui-input-block">

                   <button class="layui-btn" id="btn1" lay-submit lay-filter="formDemo">提交</button>

                   <button type="reset" class="layui-btn layui-btn-primary">重置</button>

                 </div>

              </div>

     </form>

 </body>

 </html>

与Controller交互的.do

 package com.supermanager.controller;

 import java.io.File;

 import java.io.IOException;

 import java.util.Date;

 import java.util.List;

 import java.util.Random;

 import javax.annotation.Resource;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpSession;

 import org.springframework.context.annotation.Scope;

 import org.springframework.stereotype.Controller;

 import org.springframework.web.bind.annotation.ModelAttribute;

 import org.springframework.web.bind.annotation.RequestMapping;

 import org.springframework.web.bind.annotation.RequestParam;

 import org.springframework.web.bind.annotation.ResponseBody;

 import org.springframework.web.multipart.MultipartFile;

 import com.supermanager.entity.LogsInfo;

 import com.supermanager.entity.RoleInfo;

 import com.supermanager.entity.StoragesInfo;

 import com.supermanager.entity.UserInfo;

 import com.supermanager.service.LogsService;

 import com.supermanager.service.RoleInfoService;

 import com.supermanager.service.StoragesService;

 import com.supermanager.service.UserInfoService;

 import net.sf.json.JSONArray;

 @Controller

 @Scope("prototype")

 public class UserInfoController {

     @Resource

     private UserInfoService userInfoService;

     @Resource

     private LogsService logService;

     @Resource

     private RoleInfoService roleInfoService;

     @Resource

     private StoragesService storagesService;

     /**

      * 修改个人资料

      * @param session

      * @param file

      * @param ui

      * @return

      * @throws IOException

      * @throws IllegalStateException

      */

     @RequestMapping(value="updatePersonalById")

     public @ResponseBody String updatePersonal(@RequestParam("file") MultipartFile file,@ModelAttribute UserInfo ui,HttpServletRequest request) throws IllegalStateException, IOException{

         String oldName = file.getOriginalFilename();

         String path = request.getServletContext().getRealPath("/upload/");

         String fileName = changeName(oldName);

         String rappendix = "upload/" + fileName;

         fileName = path + "/" + fileName;

         File file1 = new File(fileName);

         file.transferTo(file1);

         String str = "{\"code\": 0,\"msg\": \"\",\"data\": {\"src\":\"" + rappendix + "\"}}";

         return str;

     }

     public static String changeName(String oldName){

         Random r = new Random();

         Date d = new Date();

         String newName = oldName.substring(oldName.indexOf('.'));

         newName = r.nextInt(99999999) + d.getTime() + newName;

         return newName;

     }

     @RequestMapping(value="updatePersonalByIdSuccess")

     public  String updatePersonalByIdSuccess(@ModelAttribute UserInfo ui){

         UserInfo uif = userInfoService.FindUserByUserId(ui.getUserId());

         ui.setRoleId(uif.getRoleId());

         ui.setUserSex(uif.getUserSex());

         ui.setUserAge(uif.getUserAge());

         int a = userInfoService.Update(ui);

         if(a!=0){

             return "redirect:exitSystem.do";

         }

         return "error";

     }

 }

 上传成功之后的效果如图

巴特西

上传头像，layui上传图片

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