php代码
<?php $backurl=""; if (isset($_GET['type'])){ $type=$_GET['type']; switch (trim($type)) { case 1: if (isset($_GET['url'])){ $backurl=shorturl(urlencode($_GET['url'])); //注意必须经过urlencode } else{ $backurl="error0"; } break; case 2: if (isset($_GET['url'])){ $backurl=expandurl($_GET['url']); } else{ $backurl="error1"; } break; default: $backurl="error2"; } } echo $backurl; function shortenSinaUrl($long_url){ $apiKey='xxxxxxxxx'; //请替换成你的APPID $apiUrl='https://api.weibo.com/2/short_url/shorten.json?source='.$apiKey.'&url_long='.$long_url; $curlObj = curl_init(); curl_setopt($curlObj, CURLOPT_URL, $apiUrl); curl_setopt($curlObj, CURLOPT_RETURNTRANSFER, 1); curl_setopt($curlObj, CURLOPT_SSL_VERIFYPEER, 0); curl_setopt($curlObj, CURLOPT_HEADER, 0); curl_setopt($curlObj, CURLOPT_HTTPHEADER, array('Content-type:application/json')); $response = curl_exec($curlObj); curl_close($curlObj); $json = json_decode($response); return $json->urls[0]->url_short; } function expandSinaUrl($short_url){ $apiKey='xxxxxxxxx'; //请替换成你的APPID $apiUrl='https://api.weibo.com/2/short_url/expand.json?source='.$apiKey.'&url_short='.$short_url; $curlObj = curl_init(); curl_setopt($curlObj, CURLOPT_URL, $apiUrl); curl_setopt($curlObj, CURLOPT_RETURNTRANSFER, 1); curl_setopt($curlObj, CURLOPT_SSL_VERIFYPEER, 0); curl_setopt($curlObj, CURLOPT_HEADER, 0); curl_setopt($curlObj, CURLOPT_HTTPHEADER, array('Content-type:application/json')); $response = curl_exec($curlObj); curl_close($curlObj); $json = json_decode($response); return $json->urls[0]->url_long; } function shorturl($long_url){ $apiKey='xxxxxxxxx'; //请替换成你的APPID $apiUrl='https://api.weibo.com/2/short_url/shorten.json?source='.$apiKey.'&url_long='.$long_url; $response = file_get_contents($apiUrl); $json = json_decode($response); return $json->urls[0]->url_short; } function expandurl($short_url){ $apiKey='xxxxxxxxx'; //请替换成你的APPID $apiUrl='https://api.weibo.com/2/short_url/expand.json?source='.$apiKey.'&url_short='.$short_url; $response = file_get_contents($apiUrl); $json = json_decode($response); return $json->urls[0]->url_long; } ?>