<?php
$method = 'GET'; //请求方式 GET,POST
$secretType = 'MD5'; //验证方式MD5,Hash 通过后台我的应用(https://www.wapi.cn/member/my_apply.html)去修改
$api_url = 'https://登录后显示/api/22/128';
$appid  =   '应用id';// 在挖数据用户中心后台我的应用查看;
$secret =   '应用密钥';// 在挖数据用户中心后台我的应用查看;
$data = array(
    "appid"=>"1",
    "date"=>"2021-08-17",
    "format"=>"json",
    "time"=>"1545829466"
    );

$data['appid'] = $appid;
$data['time'] = time();//当前服务器时间

if('MD5' == $secretType){
    ksort($data); //按照键名对数组排序，为数组值保留原来的键。
    $md5String = '';
    foreach($data as $key=>$val){
        if(strlen($val)>0){ //过滤空值
            $md5String.=$key.$val;
        }
    }
    $secret = md5($md5String.$secret);
}
$data['sign'] = $secret;
if('GET'==$method){
    $sendUrl = $api_url.'?'.http_build_query($data); //把数据转换成url参数形式，a=b&c=d&e=f
    $result = file_get_contents($sendUrl);
}else{
    $header = ['Content-Type: application/x-www-form-urlencoded;charset=utf-8'];
    $ch = curl_init();
    if(is_array($data))$data = http_build_query($data);
    curl_setopt($ch, CURLOPT_URL, $api_url);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    curl_setopt($ch, CURLOPT_POST, true);//POST
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    curl_setopt($ch, CURLOPT_AUTOREFERER, true);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
    curl_setopt($ch, CURLOPT_ENCODING,'gzip,deflate');
    $result = curl_exec($ch);
}
$result = json_decode($result,true);
print_r($result);