api.php

<?php
$route = addslashes(trim($_GET['route']));
// Top10 list
$topListFilePath = './toplist.json';
// article json filename
$articleID = '1';
// article json data
$articleJsonFile = "./article/$articleID.json";

// 读文件
$file = file_get_contents($topListFilePath);
$data = json_decode($file);

if ($route === 'saveScore') {
	$post = file_get_contents('php://input');
	$post = json_decode($post, true);

    $name = addslashes(trim($post['name']));
    $score = intval($post['score']);

    // 插入数据
    $data[] = ['name' => $name, 'score' => $score];

    // 写文件
    $res = file_put_contents($topListFilePath, json_encode($data), LOCK_EX);

    if ($res) {
        echo json_encode([
            'state' => 1,
            'msg' => '成绩已经保存',
        ]);
    } else {
        echo json_encode([
            'state' => 0,
            'msg' => '保存失败，请重试',
        ]);
    }
}

/**
 * 获取文章数据
 */
if ($route === 'article') {
    $file = file_get_contents($articleJsonFile);
	$data = json_decode($file);

	echo json_encode($data);
}