添加用户jsp：
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!-- HTML5文档-->
<!DOCTYPE html>
<!-- 网页使用的语言 -->
<html lang="zh-CN">
<head>
<!-- 指定字符集 -->
<meta charset="utf-8">
<!-- 使用Edge最新的浏览器的渲染方式 -->
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<!-- viewport视口：网页可以根据设置的宽度自动进行适配，在浏览器的内部虚拟一个容器，容器的宽度与设备的宽度相同。
width: 默认宽度与设备的宽度相同
initial-scale: 初始的缩放比，为1:1 -->
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
<title>添加用户</title>
<!-- 1. 导入CSS的全局样式 -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<!-- 2. jQuery导入，建议使用1.9以上的版本 -->
<script src="js/jquery-2.1.0.min.js"></script>
<!-- 3. 导入bootstrap的js文件 -->
<script src="js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<center><h3>添加联系人页面</h3></center>
<form action="${pageContext.request.contextPath}/addServlet" method="post">
<div class="form-group">
<label for="name">姓名：</label>
<input type="text" class="form-control" id="name" name="name" placeholder="请输入姓名">
</div>
<div class="form-group">
<label>性别：</label>
<input type="radio" name="gender" value="男" checked="checked"/>男
<input type="radio" name="gender" value="女"/>女
</div>
<div class="form-group">
<label for="age">年龄：</label>
<input type="text" class="form-control" id="age" name="age" placeholder="请输入年龄">
</div>
<div class="form-group">
<label for="address">籍贯：</label>
<select name="address" class="form-control" id="address">
<option value="陕西">陕西</option>
<option value="北京">北京</option>
<option value="上海">上海</option>
</select>
</div>
<div class="form-group">
<label for="qq">QQ：</label>
<input type="text" class="form-control" id="qq" name="qq" placeholder="请输入QQ号码"/>
</div>
<div class="form-group">
<label for="email">Email：</label>
<input type="text" class="form-control" id="email" name="email" placeholder="请输入邮箱地址"/>
</div>
<div class="form-group" style="text-align: center">
<input class="btn btn-primary" type="submit" value="提交" />
<input class="btn btn-default" type="reset" value="重置" />
<input class="btn btn-default" type="button" value="返回" />
</div>
</form>
</div>
</body>
</html>
SERVLET:
import Domain.User;
import Service.UserService;
import Service.UserServiceImpl;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebServlet("/updateUserServlet")
public class updateUserServlet extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("UTF-8");
String id =request.getParameter("id");
String age = request.getParameter("age");
String qq = request.getParameter("qq");
String email = request.getParameter("email");
UserService us = new UserServiceImpl();
User user = new User(id,age,qq,email);
us.updata(user);
//设置参数传递到下一个jsp
request.setAttribute("msg",user.getName());
//转发
request.getRequestDispatcher("index.jsp").forward(request, response);
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doPost(request,response);
}
}
dao层代码编写：
@Override
public void updata(User user) {
System.out.println(user);
System.out.println("kankann");
String sql="update athlete set age=?,qq=?,email=? where id =?";
template.update(sql,user.getAge(),user.getQq(),user.getEmail(),user.getId());
}
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