PHP微信开微信群大全发之二维码生成类
这篇文章主要说明了PHP微信开发之二维码生成类,本文利用微信接口完成二维码的生成,并间接给出示例代码,需求的同伴可能考下
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/**
* Created by PhpStorm.
* User: bin
* Date: 15-1-16
* Time: 上午9:48
*/
namespace HomeCommon;
// 微信解决类
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){
//生成永世二维码
$qrcode= '{"action_name": "QR_LIMIT_SCENE", "action_info": {"scene": {"scene_id": '.$fqid.'}}}';
}else{
//生成暂时二维码
$qrcode = '{"expire_seconds": 1800, "action_name": "QR_SCENE", "action_info": {"scene": {"scene_id": '.$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, $return_content);
}
//下载二维码到效劳器
protected function DownLoadQr($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){
$this->ErrorLogger('dolwload image falied. Error Info: 无奈写入图片');
exit();
}
fclose($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."rn");
}
}
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