<%@ page import="java.sql.Statement" %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.DriverManager" %><%--
Created by IntelliJ IDEA.
User: Administrator
Date: 2019/9/24
Time: 9:30
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>把數據庫的表顯示在頁面</title>
</head>
<body>
-%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>mysql測試</title>
</head>
<body>
-%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>mysql測試</title>
</head>
<body>
<%
try {
Class.forName("com.mysql.jdbc.Driver"); ////加載數據庫驅動
String url = "jdbc:MySQL://localhost:3306/kh87?&useSSL=false&serverTimezone=UTC"; //指向數據庫table
String username = "root"; //數據庫用戶名
String password = "ROOT"; //數據庫用戶密碼
Connection conn = DriverManager.getConnection(url, username, password);
if(conn != null){
out.print("數據庫連接成功！");
out.println("<br />");
out.println("-------------------------------");
out.print("<br />");
Statement stmt = null;
ResultSet rs = null;
String sql ="select * from user"; //查詢語句
stmt = conn.createStatement();
rs = stmt.executeQuery(sql);
out.println("執行結果如下所示:");
out.println("<br />");
out.println("-------------------------------");
out.println("<br />");
out.println("id" + "\t" + "name"+"\t"+"age"+"\t");
out.println("<br />");
while (rs.next()) {
out.println(rs.getString("id")+"   "+rs.getString("name")+"   "+rs.getString("age")+"   "); //將數據庫表格查詢結果輸出
out.print("<br />");
}
}
else{
out.print("連接失敗！");
}
}
catch (Exception e) {
out.print("數據庫連接異常！");
}
%>
</body>
</html>
jsp查詢數據庫
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