6.6

发布时间 2023-06-06 16:23:31作者: xiaolllllin

1) 保存文件代码

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

import="java.sql.*" errorPage="error.jsp"

    pageEncoding="UTF-8"%>

<!DOCTYPE html>

<html>

<head>

<meta charset="UTF-8">

<script>

 

</script>

<title>添加用户信息</title>

<link rel="stylesheet" type="text/css" href="css/style.css">

</head>

<script type="text/javascript">

    function test_phone() {

    var phone = document.getElementById("phone1").value;

    var dihit = phone.length;

    var text = new RegExp("[0-9]");

    if (dihit==11 && text.test(phone)) {

        alert("输入正确");

        document.getElementById("submit1").disabled=false;

    } else {

        alert("请输入11位数字");

        document.getElementById("submit1").setAttribute("disabled",true);

    }

}

</script>

<body>

<form action="addsave.jsp" method="post">

        <h2>添加用户信息</h2>

        <table style="width: 50%">

            <tr>

                <th width="30%">客户姓名:</th>

                <td width="70%"><input name="name" type="text" required="required"></td>

            </tr>

            <tr>

                <th>住址:</th>

                <td><input name="address" type="text" required="required"></td>

            </tr>

            <tr>

                <th>手机号码:</th>

                <td><input name="phone" type="text" required="required" id="phone1" onchange="test_phone()"></td>

            </tr>

            <tr>

                <td colspan="2"><input type="submit" name="submit" value="添加" id="submit1"><input type="reset" value="重置"></td>

            </tr>

        </table>

        <a href="home_page.jsp">放弃添加</a>

    </form>

</body>

</html>

2) 保存记录文件代码

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

import="java.sql.*" errorPage="error.jsp"

    pageEncoding="UTF-8"%>

<!DOCTYPE html>

<html>

<head>

<meta charset="UTF-8">

<title>添加客户信息</title>

</head>

<body>

<%

        request.setCharacterEncoding("utf-8");

        String name = request.getParameter("name");

        String address = request.getParameter("address");

        String phone = request.getParameter("phone");

        Class.forName("com.mysql.jdbc.Driver");

        Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/db?useUnicode=true&characterEncoding=utf-8", "root", "123456");

         //使用Statement对象

//         Statement stmt = con.createStatement();

//         String sql = "insert into bookinfo(bookname,author,price) values('" + bookname + "','" + author + "'," + price + ")";

//         System.out.println(sql);

//         int i = stmt.executeUpdate(sql);

 

        

        

         PreparedStatement stmt = con.prepareStatement("insert into web_customer(name,address,phone) values(?, ?, ?)");

        stmt.setString(1, name);

        stmt.setString(2, address);

        stmt.setString(3, phone);

        int i = stmt.executeUpdate();

        

        

        if (i == 1) {

            out.println("<h2>添加成功!</h2><br/>");

            out.println("<a href='home_page.jsp'>返回首页</a>");

        } else {

            out.println("<h2>添加失败!</h2><br/>");

            out.println("<a href='add.jsp'>重新添加</a>");

        }

        stmt.close();

        con.close();

        

    %>

</body>

</html>

 

3) 修改文件代码

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

import="java.sql.*" errorPage="error.jsp"

    pageEncoding="UTF-8"%>

<!DOCTYPE html>

<html>

<head>

<meta charset="UTF-8">

<title>修改用户信息</title>

<link rel="stylesheet" type="text/css" href="css/style.css">

</head>

<body>

<%

        request.setCharacterEncoding("utf-8");

        String id = request.getParameter("id");    

        Class.forName("com.mysql.jdbc.Driver");

        

        Connection con = DriverManager.getConnection("jdbc:mysql://127.0.0.1:3306/db?useUnicode=true&characterEncoding=utf-8", "root", "123456");

 

        

        PreparedStatement stmt = con.prepareStatement("select * from web_customer where id=?");

        stmt.setString(1, id);

        ResultSet rs = stmt.executeQuery();

        

        rs.next();

    %>

    <form action="editsave.jsp" method="post">

        <h2>修改用户信息</h2>

        <table style="width:50%">

            <tr>

                <th width="30%">姓名:</th>

                <td width="70%"><input name="name" type="text"

                    value="<%=rs.getString(2)%>"></td>

            </tr>

            <tr>

                <th>住址:</th>

                <td><input name="address" type="text"

                    value="<%=rs.getString(3)%>"></td>

            </tr>

            <tr>

                <th>手机号码:</th>

                <td><input name="phone" type="text"

                    value="<%=rs.getString(4)%>"></td>

            </tr>

            <tr>

                <td colspan="2"><input type="hidden" name="id" value="<%=id%>">

                    <input type="submit" value="修改"> <input type="reset"

                    value="重置"></td>

            </tr>

        </table>

        <a href="home_page.jsp">放弃修改</a>

    </form>

    <%

        rs.close();

        stmt.close();

        con.close();

    %>

</body>

</html>