三--2
<%@ page contentType="text/html; charset=utf-8" import="java.sql.*" errorPage="error.jsp"%>
<html>
<head>
<title>添加信息</title>
<link rel="stylesheet" type="text/css" href="css/style.css">
</head>
<body>
<%
request.setCharacterEncoding("utf-8");
String stunum = request.getParameter("stunum");
String stuname = request.getParameter("stuname");
String sex = request.getParameter("sex");
String birthday = request.getParameter("birthday");
String location = request.getParameter("location");
Class.forName("com.mysql.cj.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/student?useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC&useSSL=false", "root", "123456");
PreparedStatement stmt = con.prepareStatement("insert into studentinfo(num,name,sex,birthday,location) values(?, ?, ? ,? ,?)");
stmt.setInt(1, Integer.valueOf(stunum));
stmt.setString(2, stuname);
stmt.setString(3, sex);
stmt.setString(4, birthday);
stmt.setString(5, location);
int i = stmt.executeUpdate();
if (i == 1) {
out.println("<h2>添加成功！</h2><br/>");
out.println("<a href='index.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>