生成微信二维码

//生成二维码
public function my_ewm()
{
    $file = file_get_contents("php://input");
    $code = json_decode($file, true);
    $appid = \'wx1a8b582067ebb8a5\';
    $appsecret = \'08fb395003441b482583b218d306280b\';//appid对应的appsecret
    header(\'content-type:text/html; charset=utf-8\');
    //$_POST=$_REQUEST;
    $openid = $code[\'openid\'];
    $user = M("user")->where(["openid" => $openid])->find();
    if (!$openid) {
        $data = array("result" => \'2\', "message" => "参数有误!"); //组装JSON
        echo json_encode($data); //返回
        die;
    }
    $goodsid = $user[\'id\'];
    if (!$goodsid) {
        echo "空的id！";
        die;
    }
    $filename = $goodsid . \'.jpg\';
    $file = \'./Public/qrcode/\' . $filename;
    $scene = "?scene=" . $goodsid;
    if (file_exists($file)) {
        echo "<script>location.href=\'http://zgmm.a40.com.cn/Public/qrcode/" . $filename . "" . $scene . "\'</script>";
    } else {
        //请求accesstoken接口
        $url = \'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=\' . $appid . \'&secret=\' . $appsecret;
        $https = true;
        $method = \'get\';
        $data = null;
        //get curl传值
        $str = $this->get_curl($url, $data, $method);
        //获取请求到的结果讲上面获取的accresstoken进行解码成数组，然后获取accesstoken值
        $arr = json_decode($str, true);
        // dump($arr);die;
        $access_token = $arr[\'access_token\'];
        //获取二维码，但是切记这里accesstoken不能用通过post传值，只能用get传值
        $width = 430;
        $url = \'https://api.weixin.qq.com/wxa/getwxacode?access_token=\' . $access_token;
        //$data[\'scene\']=$goodsid;//"t_id=".$userinfo[\'id\'];
        //$data[\'path\']=\'pages/home/homedetail\';
        //$data[\'width\']=$width;
        $data[\'path\'] = \'pages/saoma/saoma?id=\' . $goodsid;
        $data[\'width\'] = $width;
        $post_data = json_encode($data);
        $https = true;
        $method = \'post\';
        //post curl传值
        $str = $this->get_curl($url, $post_data, $method);
        //进行保存
        $res = file_put_contents($file, $str);
        //如果保存成功返回路径
        if ($res != 0) {
            echo "<script>location.href=\'http://zgmm.a40.com.cn/Public/qrcode/" . $filename . "" . $scene . "\'</script>";
        } else {
            echo "生成小程序码出错！";
        }
    }

}

/****我的二维码*******//生成二维码【邀请人的二维码】
public function share_ewm(){
header(\'content-type:text/html; charset=utf-8\');
//$_POST=$_REQUEST;
$uid=$_POST[\'uid\'];
if(!$uid){
$this->share_ewm_1();
/*$data = array("result" =>\'2\',"message"=>"参数有误!"); //组装JSON
echo json_encode($data); //返回
die;*/
}else{
$userinfo=M(\'user\')->where(array(\'id\'=>$uid,\'is_xs\'=>1))->find();
if(!$userinfo[\'qrcode\']){
$appid=\'wx010bce04be848770\';
$appsecret=\'009a404dc28e957c8ca27b82322850f9\';//appid对应的appsecret
//请求accesstoken接口
$url=\'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=\'.$appid.\'&secret=\'.$appsecret;
$https=true;
$method=\'get\';
$data=null;
//get curl传值
$str=$this->get_curl($url,$data,$https,$method);
//获取请求到的结果讲上面获取的accresstoken进行解码成数组，然后获取accesstoken值
$arr = json_decode($str,true);
// dump($arr);die;
$access_token=$arr[\'access_token\'];
//获取二维码，但是切记这里accesstoken不能用通过post传值，只能用get传值
$path="./Public/qrcode/";
/*$width=200;
$url=\'https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=\'.$access_token;
$data[\'scene\']=$userinfo[\'id\'];//"t_id=".$userinfo[\'id\'];
$data[\'path\']=\'pages/Testing/Testing\';
$data[\'width\']=$width;
$post_data=json_encode($data);
$https=true;
$method=\'post\';
//post curl传值
$str=$this->get_curl($url,$post_data,$https,$method);*/
$path = \'pages/Testing/Testing?scene=\'.$userinfo[\'id\'];
$width = 430;
$str = $this->getWXACodeUnlimit($access_token,$path,$width);
//获取当前时间措
$time=time();
//指定文件保存路径
$file = "./Public/qrcode/".$time.$userinfo[\'id\'].\'.jpg\';
//进行保存
$res=file_put_contents($file, $str);
//如果保存成功返回路径
if($res!=0){
$save_ewm[\'qrcode\']=$file;
$yesOrno =M("user")->where(array("id"=>$userinfo[\'id\']))->save($save_ewm);
if($yesOrno){
$infos = M("user")->where(array(\'id\'=>$userinfo[\'id\']))->field(\'id,pic,uname,qrcode\')->find();
$infos[\'qrcode\']=trim($infos[\'qrcode\'],\'.\');
}
//return json_encode($infos,JSON_UNESCAPED_UNICODE);
}
}else{
$infos = M("user")->where(array(\'id\'=>$userinfo[\'id\']))->field(\'id,pic,uname,qrcode\')->find();
$infos[\'qrcode\']=trim($infos[\'qrcode\'],\'.\');
}
//最后一次的检测结果
$log_test[\'uid\']=$infos[\'id\'];
$log_testxx= M("user")->where($log_test)->order(\'id desc\')->select();
$log_info= M("test_log")->where(array("id"=>$log_testxx[0][\'id\']))->find();

$data = array("result" =>\'1\',"message"=>"成功!","qrcode"=>$infos[\'qrcode\'],\'lists\'=>$infos,"test_log"=>$log_info); //组装JSON
echo json_encode($data); //返回
die;
}
}