Java web insert_stu_1.jsp 第95页
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<%@ page language="java" import="java.sql.*" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<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="147258369";
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 meng(id,name,sex,age,weight,hight) value(?,?,?,?,?,?)";
PreparedStatement pstmt=conn.prepareStatement(sql);
request.setCharacterEncoding("UTF-8");
int id=Integer.parseInt(request.getParameter("id"));
String name=request.getParameter("name");
String sex=request.getParameter("sex");
int age=Integer.parseInt(request.getParameter("age"));
float weight=Float.parseFloat(request.getParameter("weight"));
float hight=Float.parseFloat(request.getParameter("hight"));
pstmt.setInt(1,id);
pstmt.setString(2,name);
pstmt.setString(3,sex);
pstmt.setInt(4,age);
pstmt.setFloat(5,weight);
pstmt.setFloat(6,hight);
int n=pstmt.executeUpdate();
if(n==1){%> 数据插入操作成功！<br> <%}
else{%> 数据插入操作失败！ <br> <%}
if(pstmt!=null){pstmt.close();}
if(conn!=null){conn.close();}%>
</body>
</html>
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