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<button bindtap="token">获取token</button>
// pages/token/token.js Page({ data: { }, token:function(){ wx.request({ url: 'xxxx', data:{}, success:function(res){ console.log(res.data); //这里我是用的新浪云的sae,所以存在读写权限问题,打印出来的信息会存在告警 } }); } })
<?php exit();?> {"access_token":"","expire_time":0}
<?php //验证 function getToken(){ $timestamp = $_GET["timestamp"]; $nonce =$_GET["nonce"]; $token="hello hqtoken"; $signature=$_GET["signature"]; $array=array($timestamp,$nonce,$token); sort($array); $tmpstr=implode("",$array); $tmpstr=sha1($tmpstr); if($tmpstr == $signature){ echo $_GET["echostr"]; exit; } } //获取AccessToken function getAccessToken(){ $appid="你的appid"; $appsecret = "你的appsecret"; //文件存储 $data=json_decode(get_php_file("access_token.php")); if($data->expire_time<time()){ $url="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$appsecret; $res=json_decode(httpGet($url)); $access_token=$res->access_token; if($access_token){ $data->expire_time=time()+7000; $data->access_token=$access_token; set_php_file("access_token.php",json_encode($data)); } }else{ $access_token=$data->access_token; } return $access_token; } //公共的curl方法 function httpGet($url){ $curl = curl_init(); curl_setopt($curl,CURLOPT_URL,$url); curl_setopt($curl,CURLOPT_RETURNTRANSFER,1); //如果用的是https,ssl安全验证 curl_setopt($curl,CURLOPT_SSL_VERIFYPEER,false); curl_setopt($curl,CURLOPT_SSL_VERIFYHOST,false); $res =curl_exec($curl); curl_close($curl); return $res; } function get_php_file($filename){ return trim(substr(file_get_contents($filename),15)); } function set_php_file($filename,$content){ $fp=fopen($filename,"w"); fwrite($fp,"<?php exit();?>".$content); fclose($fp); } echo getAccessToken(); ?>
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