php 微信接口API之长链接转短链接代码示例

<?php
header("Content-Type: text/html; charset=utf-8");
$longurl;
if(isset($_POST['longurl'])){
$longurl = $_POST['longurl'];
}else{
die("没有post值进来");
}
//echo $longurl;
$id = "你的AppID";
$secret = "你的AppSecret";
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$id."&secret=".$secret."";
$token = getAccessToken($url);
//echo $token;
//你的长链接
//$longurl = "http://www.baidu.com/";
$data = '{"action":"long2short","long_url":"'.$longurl.'"}';
$shorturl = "https://api.weixin.qq.com/cgi-bin/shorturl?access_token=".$token."";
echo httpPost($shorturl,$data);
//echo "你的长链接是：".$longurl;
//echo "<br />";
//生成的短链接
//echo "生成的短链接是：".$shortArr['short_url'];
//echo $shortArr;
function getAccessToken($url) {
// access_token 应该全局存储与更新，以下代码以写入到文件中做示例
$data = json_decode(file_get_contents("access_token.json"));
if ($data->expire_time < time()) {
// 如果是企业号用以下URL获取access_token
$output = httpGet($url);
$res = (array)json_decode($output);
$access_token = $res['access_token'];
if ($access_token) {
$data->expire_time = time() + 7000;
$data->access_token = $access_token;
$fp = fopen("access_token.json", "w");
fwrite($fp, json_encode($data));
fclose($fp);
//echo 'access_token.json读写了一次';
}
} else {
$access_token = $data->access_token;
}
return $access_token;
}
function httpGet($url) {
//echo "url = ".$url;
$curl = curl_init();
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_TIMEOUT, 500);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_URL, $url);
$res = curl_exec($curl);
curl_close($curl);
return $res;
}
function httpPost($url,$data){
$curl = curl_init();
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_TIMEOUT, 500);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
$res = curl_exec($curl);
curl_close($curl);
return $res;
}
?>

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php 微信接口API之长链接转短链接代码示例

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