php 生成小程序二维码

<?php

//刚开始我调试的时候报各种错误，注意data的数据格式，是拼接成一个json而不是直接的数组。另外账号密码都是我写的测试的，掉用的时候输入成正式的即可

$url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wx96jjkad81a880c36&secret=dff3ab41iuii43cb109ef9c6469e';
$arr = file_get_contents($url);
$a = json_decode($arr,true);
$access_token = $a['access_token'];

$url = 'https://api.weixin.qq.com/wxa/getwxacode?access_token='.$access_token;
$path="pages/mine/mine/mine?query=1";
$width=430;
$data='{"path":"'.$path.'","width":'.$width.'}';
$return = request_post($url,$data);

//保存在根目录一个文件
file_put_contents('./'.time().'.jpg',$return);
function request_post($url, $data){
$ch = curl_init();
$header = "Accept-Charset: utf-8";
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$tmpInfo = curl_exec($ch);
if (curl_errno($ch)) {
return false;
}else{
return $tmpInfo;
}
}