数据库建立如下
<%@ page language="java" import="java.util.*" import="java.sql.*" pageEncoding="UTF-8"%>
<html>
<head>
<title>利用PreparedStatement对象添加一条记录页面</title>
</head>
<body>
<%String driverName="com.mysql.jdbc.Driver";
String userName="root";
String userPwd="123456";
String dbName="student";
String url1="jdbc:mysql://localhost:3306/"+dbName;
String url2="?user="+userName+"&password="+userPwd;
String url3="&useUnicode=true&characterEncoding=UTF-8";
String url=url1+url2+url3;
Class.forName(driverName);
Connection conn=DriverManager.getConnection(url);
String sql="Insert into stu_info(id,name,sex,age,weight,hight)values(?,?,?,?,?,?)";
PreparedStatement pstmt=conn.prepareStatement(sql);
pstmt.setInt(1,16);
pstmt.setString(2,"zhangsan");
pstmt.setString(3,"man");
pstmt.setInt(4,20);
pstmt.setFloat(5,70);
pstmt.setFloat(6,175);
int n=pstmt.executeUpdate();
if(n==1){%>数据插入成功!<br><%}
else{ %>数据插入失败！b<br><%}
if(pstmt!=null){pstmt.close(); }
if(conn!=null){conn.close();}
%>
</body>
</html>