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jsp新代码第194课

水沐由之 2022-05-03 阅读 193
java

new194.jsp

<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.DriverManager"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
Connection conn = null;
try
{
	Class.forName("com.mysql.jdbc.Driver");
	String url = "jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8";
	String user = "root";
	String pwd = "mysql123";
	conn = DriverManager.getConnection(url,user,pwd);
	String sql = "insert into sp_goods(shopName,freight,amount,address,goodsType) values(?,?,?,?,?)";
	PreparedStatement pstmt = conn.prepareStatement(sql);
	pstmt.setString(1, "苹果");
	pstmt.setDouble(2, 12);
	pstmt.setInt(3, 33);
	pstmt.setString(4, "深圳");
	pstmt.setInt(5, 3);
	int iResult = pstmt.executeUpdate();
	if(iResult != -1)
	{
		out.print("成功插入一条数据");
	}
	pstmt.close();
	conn.close();
	
}
catch(Exception e)
{
	out.print("添加数据失败" + e.getMessage());	
}
%>
</body>
</html>
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