以微信企业号为例：
1、在YII根目录新建一个文件夹wechat，新建Wechat.php文件
代码如下：
Namespace appwechat; class Wechat { const AGENTID = 3;//应用ID const CORPID = "wx5d0183ad90c95d8b";//ID const CORPSECRET = "KTHAkkVl4mX4Jr_g89d3PXajYupsUcJFvGWQ1K6ZMagTPOh4kiNMfBLFoDr12DVh";//秘钥 const SCOPE = "snsapi_base"; const STATE = "123"; //自动登录跳转 public function wxauto($jumpurl){ $corpid = self::CORPID; $scope = self::SCOPE; $state = self::STATE; $url='https://open.weixin.qq.com/connect/oauth2/authorize?appid='.$corpid.' &redirect_uri='.urlencode($jumpurl).' &response_type=code&scope='.$scope.'&state='.$state.'#wechat_redirect'; header("Location:".$url); exit; } //推送信息 public function getPush($userid , $agentid , $message){ $userinfo = $this->getToken();//获取access_token $access_token = $userinfo['access_token']; $sendmsg_url = "https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token=". $access_token; $data="{"touser":"$userid","msgtype":"text","agentid":$agentid,"text": {"content":"$message"},"safe":0}"; $res = $this->curlPost($sendmsg_url,$data); $errmsg=json_decode($res)->errmsg; } //获取token public function getToken(){ $corpid = self::CORPID; $corpsecret = self::CORPSECRET; $Url="https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=".$corpid."&corpsecret=".$corpsecret; $res = $this->curlPost($Url); $access_token=json_decode($res)->access_token; $userinfo = array(); $userinfo['access_token']=$access_token; return $userinfo; } //定义curl方法 public function curlPost($url,$data=""){ $ch = curl_init(); $opt = array( CURLOPT_URL => $url, CURLOPT_HEADER => 0, CURLOPT_POST => 1, CURLOPT_POSTFIELDS => $data, CURLOPT_RETURNTRANSFER => 1, CURLOPT_TIMEOUT => 20 ); $ssl = substr($url,0,8) == "https://" ? TRUE : FALSE; if ($ssl){ $opt[CURLOPT_SSL_VERIFYHOST] = 2; //注意1已经弃用 $opt[CURLOPT_SSL_VERIFYPEER] = FALSE; } curl_setopt_array($ch,$opt); $data = curl_exec($ch); curl_close($ch); return $data; } ###########**********增加获取微信openid***********######################### } ?>
2、控制器的调用：
引入 use appwechatWechat;
$chat = new Wechat(); //实例化类 $REDIRECT_URI= $_SERVER['HTTP_HOST'].'/test/back';//定义跳转URL $chat->wxauto($REDIRECT_URI);//调用类的方法 $chat->getToken();//调用类的方法 $corpid = Wechat::CORPID;//调用类的常量 $corpsecret = Wechat::CORPSECRET;//调用类的常量 $agentid=Wechat::AGENTID;//调用类的常量
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