如何使用API在React Js中通过PHP获取Mysql表数据？

<?php
// 连接数据库
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$dbname = "your_database";

$conn = new mysqli($servername, $username, $password, $dbname);

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

// 执行查询操作
$sql = "SELECT * FROM your_table";
$result = $conn->query($sql);

// 将查询结果转换为关联数组
$data = array();
if ($result->num_rows > 0) {
    while ($row = $result->fetch_assoc()) {
        $data[] = $row;
    }
}

// 将查询结果转换为JSON格式并输出
echo json_encode($data);

// 关闭数据库连接
$conn->close();
?>

import React, { useEffect, useState } from 'react';

const YourComponent = () => {
  const [data, setData] = useState([]);

  useEffect(() => {
    fetch('your_php_file.php')
      .then(response => response.json())
      .then(data => setData(data))
      .catch(error => console.error(error));
  }, []);

  return (
    <div>
      {/* 在此处使用获取到的数据进行渲染 */}
    </div>
  );
};

export default YourComponent;