nows/api.php

<?php
//设置json格式头部
header('Content-type: application/json');
//载入数据库文件
require("data.php");
//查询随机一条记录
$sql = "SELECT * FROM soul ORDER BY RAND() LIMIT 1";
$result = mysqli_query($conn, $sql);
$row = mysqli_fetch_assoc($result);
//输出json
echo json_encode(array(
    "code" => 0,
    "message" => "OK",
    "data" => array(
        "id" => $row["id"],
        "title" => $row["title"],
        "author" => $row["author"],
        "from" => $row["from"]
    )
));