1 line
3.1 KiB
PHP
Executable File
1 line
3.1 KiB
PHP
Executable File
<?php
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namespace hema\wechat;
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use hema\Http;
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use think\facade\Cache;
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/**
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* 微信小程序接口
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*/
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class Wxapp
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{
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private $config;
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private $error;
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/**
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* 构造函数
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*/
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public function __construct($config)
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{
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$this->config = $config;
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}
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/**
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* 获取不限制数量的小程序码
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* $path = 存放文件夹
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*/
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public function getUnlimitedQRCode($path='',string $scene = '',$page = 'pages/index/index')
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{
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$path = 'qrcode/' . $path;
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$file_name = $path . '/' . $scene . '.png';
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$access_token = $this->getAccessToken();
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$url = 'https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token='.$access_token;
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$queryarr = [
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'scene' => $scene,
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'page' => $page,
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'check_path' => false,//不检测页面是否存在
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//'is_hyaline' => true,//透明底色
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];
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$result = Http::post($url,json_encode($queryarr));
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//严正是否返回JSON数据
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if(is_json($result)){
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return $this->result($result);
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}
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if(!file_exists('./'.$path)){
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@mkdir('./'.$path,0777,true);
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}
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file_put_contents('./'.$file_name,$result);
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//获取的二维码数据存储到指定的文件
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return $file_name;
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}
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/**
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* 小程序登录
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*/
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public function code2Session(string $code)
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{
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$url = 'https://api.weixin.qq.com/sns/jscode2session';
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$params = [
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'appid' => $this->config['app_id'],
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'secret' => $this->config['app_secret'],
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'grant_type' => 'authorization_code',
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'js_code' => $code
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];
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return $this->result(Http::get($url, $params));
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}
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/**
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* 获取令牌 - AccessToken
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*/
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private function getAccessToken()
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{
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$config = $this->config;
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if(!$access_token = Cache::get("cxhxy:api:wechat:access_token_v2:{$config['app_id']}")){
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//重新获取
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$url = 'https://api.weixin.qq.com/cgi-bin/token';
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$params = [
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'grant_type' => 'client_credential',
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'appid' => $config['app_id'],
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'secret' => $config['app_secret']
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];
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$result = json_decode(Http::get($url, $params),true);
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if(isset($result['access_token'])){
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$access_token = $result['access_token'];
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Cache::set("cxhxy:api:wechat:access_token_v1:{$config['app_id']}", $access_token, 7000); //设置将近2小时失效
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}
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}
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return $access_token;
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}
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/**
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* 请求数据验证
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**/
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private function result($result)
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{
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$result = json_decode($result,true);
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if(!is_array($result)){
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$this->error = '未知错误';
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return false;
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}
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if(isset($result['errcode']) and $result['errcode']!=0){
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$this->error = 'code：' . $result['errcode'] . '，msg：' . $result['errmsg'];
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return false;
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}
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return $result;
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}
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public function getError()
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{
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return $this->error;
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}
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} |