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