6.6
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)%>">元</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>
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