PHP获取微信二维码
function wx_code(){
header('content-type:text/html;charset=utf-8');
//配置APPID、APPSECRET
$APPID = "*******";
$APPSECRET = "********";
//获取access_token
$access_token = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$APPID&secret=$APPSECRET";
$ACCESS_TOKEN = "";
//tp3.2 获取缓存
$value = S('access_token');
if($value){
$ACCESS_TOKEN = $value;
}else{
$json = $this->httpCurl( $access_token );
$json = json_decode($json,true);
//tp3.2 保存缓存
S('access_token',$json['access_token'],18000);
$ACCESS_TOKEN = $json["access_token"];
}
//构建请求二维码参数
//path是扫描二维码跳转的小程序路径,可以带参数?id=$id
//width是二维码宽度
$url = get_host_name().$_SERVER['REQUEST_URI'];
$qcode ="https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token=$ACCESS_TOKEN";
$param = json_encode(array("path"=>"/pages/index/index?url=".$url,"width"=> 150));
//POST参数
$result = $this->httpCurl( $qcode, $param,"POST");
//生成二维码
// file_put_contents("qrcode.png", $result);
$base64_image ="data:image/jpeg;base64,".base64_encode( $result );
}
//把请求发送到微信服务器换取二维码
function httpCurl($url, $data='', $method='GET'){
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($curl, CURLOPT_AUTOREFERER, 1);
if($method=='POST'){
curl_setopt($curl, CURLOPT_POST, 1);
if ($data != ''){
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
}
}
curl_setopt($curl, CURLOPT_TIMEOUT, 30);
curl_setopt($curl, CURLOPT_HEADER, 0);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($curl);
curl_close($curl);
return $result;
}
- 下一篇:测试图文