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<?php
/**
* Created by PhpStorm.
* User: bin
* Date: 15-1-16
* Time: 上午9:48
*/
namespace Home\Common;
// 微信处理类
set_time_limit(30);
class Weixin{
//构造方法
static $qrcode_url = "https://api.weixin.qq.com/cgi-bin/qrcode/create?" ;
static $token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&" ;
static $qrcode_get_url = "https://mp.weixin.qq.com/cgi-bin/showqrcode?" ;
//生成二维码
public function getEwm( $wechatid , $fqid , $type = 1){
$wechat = M( 'Member_public' )->where( array ( 'id' => $wechatid ))->find();
$appid = $wechat [ 'appid' ];
$secret = $wechat [ 'secret' ];
$ACCESS_TOKEN = $this ->getToken( $appid , $secret );
$url = $this ->getQrcodeurl( $ACCESS_TOKEN , $fqid ,1);
return DownLoadQr( $url ,time());
}
protected function getQrcodeurl( $ACCESS_TOKEN , $fqid , $type = 1){
$url = self:: $qrcode_url . 'access_token=' . $ACCESS_TOKEN ;
if ( $type == 1){
//生成永久二维码
$qrcode = '{"action_name": "QR_LIMIT_SCENE", "action_info": {"scene": {"scene_id": ' . $fqid . '}}}' ;
} else {
//生成临时二维码
$qrcode = '{"expire_seconds": 1800, "action_name": "QR_SCENE", "action_info": {"scene": {"scene_id": ' . $fqid . '}}}' ;
}
$result = $this ->http_post_data( $url , $qrcode );
$oo = json_decode( $result [1]);
if (! $oo ->ticket){
$this ->ErrorLogger( 'getQrcodeurl falied. Error Info: getQrcodeurl get failed' );
exit ();
}
$url = self:: $qrcode_get_url . 'ticket=' . $oo ->ticket. '' ;
return $url ;
}
protected function getToken( $appid , $secret ){
$ACCESS_TOKEN = file_get_contents (self:: $token_url . "appid=$appid&secret=$secret" );
$ACCESS_TOKEN = json_decode( $ACCESS_TOKEN );
$ACCESS_TOKEN = $ACCESS_TOKEN ->access_token;
return $ACCESS_TOKEN ;
}
protected function http_post_data( $url , $data_string ) {
$ch = curl_init();
curl_setopt( $ch , CURLOPT_POST, 1);
curl_setopt( $ch , CURLOPT_URL, $url );
curl_setopt( $ch , CURLOPT_POSTFIELDS, $data_string );
curl_setopt( $ch , CURLOPT_HTTPHEADER, array (
'Content-Type: application/json; charset=utf-8' ,
'Content-Length: ' . strlen ( $data_string ))
);
ob_start();
curl_exec( $ch );
if (curl_errno( $ch )) {
$this ->ErrorLogger( 'curl falied. Error Info: ' .curl_error( $ch ));
}
$return_content = ob_get_contents();
ob_end_clean();
$return_code = curl_getinfo( $ch , CURLINFO_HTTP_CODE);
return array ( $return_code , $return_content );
}
//下载二维码到服务器
protected function DownLoadQr( $url , $filestring ){
if ( $url == "" ){
return false;
}
$filename = $filestring . '.jpg' ;
ob_start();
readfile( $url );
$img =ob_get_contents();
ob_end_clean();
$size = strlen ( $img );
$fp2 = fopen ( './Uploads/qrcode/' . $filename , "a" );
if (fwrite( $fp2 , $img ) === false){
exit ();
}
fclose( $fp2 );
return './Uploads/qrcode/' . $filename ;
}
private function ErrorLogger( $errMsg ){
$logger = fopen ( './ErrorLog.txt' , 'a+' );
fwrite( $logger , date ( 'Y-m-d H:i:s' ). " Error Info : " . $errMsg . "\r\n" );
}
}
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