spring--mvc添加用户及用户头像上传
添加用户步骤：
1.用ajax获取省份信息
2.添加用户
代码：register.jsp
1 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 2 <title>Insert title here</title> 3 <script type="text/javascript" src="${path }/JS/jquery-3.2.1.js"></script> 4 <script type="text/javascript"> 5 $(function() { 6 $("#uname").blur(function() { 7 $.post("${path}/users/isVaildUname.action", { 8 uname : $(this).val() 9 }, function(data) { 10 if (data > 0) { 11 $("#div").html("用户名已存在！"); 12 $(this).select(); 13 } else { 14 $("#div").html("ok"); 15 } 16 }); 17 }); 18 }); 19 </script> 20 </head> 21 <body> 22 <form action="${path }/upload.action" method="post" 23 enctype="multipart/form-data"> 24 用户名：<input type="text" name="uname" id="uname"> 25 <div id="div"></div> 26 密码:<input type="password" name="upass"> 27 出生日期： <input value="${users.birthday }" name="birthday" /> <br> <input 28 type="hidden" id="hiddens" value="${path }"><br> 29 省份： <select name="cid" id="convinceBean"></select><br> 30 选择图片： <input type="file" name="p" accept="images/jpg,images/jpeg,images/png"> 31 <br> 32 <input type="submit" value="Register"> 33 </form> 34 </body> 35 <script type="text/javascript" src="${path }/JS/jquery-3.2.1.js"></script> 36 <script type="text/javascript" src="${path }/JS/getConvince.js"></script> 37 </html>
2.controller代码：
1 package com.controller; 2 3 import java.io.File; 4 import java.io.IOException; 5 import java.util.UUID; 6 7 import javax.annotation.Resource; 8 9 import org.springframework.stereotype.Controller; 10 import org.springframework.web.bind.annotation.RequestMapping; 11 import org.springframework.web.multipart.MultipartFile; 12 13 import com.bean.UsersBean; 14 import com.service.IUsersService; 15 16 @Controller 17 public class UplocdFileController { 18 19 @Resource(name = "usersService") 20 private IUsersService usersService; 21 22 @RequestMapping("/upload") 23 /* public String uploadFile(MultipartFile headpic, UsersBean user) { */ 24 public String uploadFile(MultipartFile p, UsersBean user) { 25 if (p != null) { 26 // 指定文件上传后的物理位置 27 String path = "D:\大数据\month6\program\"; 28 // 获取文件名 29 String filename = p.getOriginalFilename(); 30 // 改名字 31 String newfilename = UUID.randomUUID() + filename.substring(filename.lastIndexOf(".")); 32 33 File f = new File(path, newfilename); 34 try { 35 if (!f.exists()) { 36 // 上传文件 37 p.transferTo(f); 38 user.setPicture(newfilename); 39 } 40 } catch (IllegalStateException e) { 41 // TODO Auto-generated catch block 42 e.printStackTrace(); 43 } catch (IOException e) { 44 // TODO Auto-generated catch block 45 e.printStackTrace(); 46 } 47 } 48 usersService.addUser(user); 49 return "redirect:index.jsp"; 50 } 51 }
注意:
jsp页面的name属性要与bean类(数据库字段)属性名相同，但上传图片的标签的name属性不能与bean类(数据库字段)属性一样，得与controller得传入参数一样！！
使用uuid防止上传图片名字重复！