php jsp的项目源码

<?php
// 数据库连接
$conn = new mysqli("localhost", "username", "password", "database");

// 检查连接
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 查询
$sql = "SELECT id, name FROM users";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    while($row = $result->fetch_assoc()) {
        echo "ID: " . $row["id"]. " - Name: " . $row["name"]. "<br>";
    }
} else {
    echo "0 结果";
}
$conn->close();
?>

<%@ page import="java.sql.*" %>
<%
    String url = "jdbc:mysql://localhost:3306/database";
    String user = "username";
    String password = "password";
    Connection conn = null;
    Statement stmt = null;
    ResultSet rs = null;

    try {
        Class.forName("com.mysql.jdbc.Driver");
        conn = DriverManager.getConnection(url, user, password);
        stmt = conn.createStatement();
        String sql = "SELECT id, name FROM users";
        rs = stmt.executeQuery(sql);

        while (rs.next()) {
            int id = rs.getInt("id");
            String name = rs.getString("name");
            out.println("ID: " + id + " - Name: " + name + "<br>");
        }
    } catch (Exception e) {
        out.println("错误: " + e.getMessage());
    } finally {
        if (rs != null) rs.close();
        if (stmt != null) stmt.close();
        if (conn != null) conn.close();
    }
%>