SSM表格数据链接形式

Controller

	@RequestMapping("/update")
	public String updatelist(HttpSession httpSession) {
		httpSession.setAttribute("updatelist", userService.updatelist()); 
		return "updatelist";
	}
	
	@RequestMapping("/updateuser")
	public String updateuser(String username,String password) {
		if(userService.updatetuser(username,password)=="ok") {
		return "redirect:/user/update.action";
	}
		return null;
	}

ServiceImpl

	@Override
	public List<User> updatelist() {
		List<User> list=userMapper.selectAllUser();
		return list;
	}

	@Override
	public String updatetuser(String username, String password) {
		User user=new User();
		user.setUsername(username);
		user.setPassword(password);
		userMapper.updateuserByusername(user);
		return "ok";

Mapper

    List<User> selectAllUser();

    void updateuserByusername(User user);

Mapper.xml

  <select id="selectAllUser"  resultType="pojo.User">
  select * from user
  </select>
  <update id="updateuserByusername" parameterType="pojo.User">
  update user set password=#{password} where username=#{username}
  </update>

Jsp

首页

<body>
<a href="<%=basePath%>user/update.action">更新列表</a>
</body>

列表页

<body>
<table border="1">
<tr><td>序号</td><td>用户名</td><td>密码</td></tr>
<c:forEach items="${updatelist}"  var="user">
<tr>
<td>${user.uid}</td>
<td><a href="<%=basePath%>jsp/updateuser.jsp?username=${user.username}">${user.username}</a></td>
<td>${user.password}</td>
</tr>
</c:forEach>
</table>
</body>

更新页

<form action="<%=basePath%>user/updateuser.action" method="post">
用户名<input type="text" value="<%=request.getParameter("username")%>" name="username"><br>
密码<input type="password" name="password"><br>
<input type="submit" value="修改">
</form>

SSM表格数据链接形式

猜你喜欢