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//需要在这之前引入微信JS接口的引用文件//http://res.wx.qq.com/open/js/jweixin-1.0.0.jswx.config({ appId: ‘‘, // 必填，公众号的唯一标识 timestamp: , // 必填，生成签名的时间戳 nonceStr: ‘‘, // 必填，生成签名的随机串 signature: ‘‘,// 必填，签名，见附录1 jsApiList: [ // 必填，需要使用的JS接口列表，所有JS接口列表见附录2 ‘openLocation‘,//这里不知道你用的地理接口是哪个就两个都写上了 ‘getLocation‘ ] });//签名的生成方法在附录1//你需要access_token，这个用来获取jsapi_ticket。//获取access_token需要用到appId和appsecrect。//获取到后就是签名(sign).//签名需要的参数有：jsapi_ticket，noncestr，timestamp及url(当前的url)//采用字段名的ASCII码升序，使用URL键值对的格式(key=value&key=value)拼接//如：jsapi_ticket=xxx&noncestr=xxx×tamp=xxx&url=xxx//最后对拼接出来的字符串用sha1签名，得到sign。放入config的参数里。首先获取accesstoken，
$result = $this->http_get(‘https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=‘.$appid.‘&secret=‘.$appsecret);
$json = json_decode($result,true);
$this->access_token = $json[‘access_token‘];
private function http_get($url){ $oCurl = curl_init(); if(stripos($url,"https://")!==FALSE){ curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE); curl_setopt($oCurl, CURLOPT_SSLVERSION, 1); //CURL_SSLVERSION_TLSv1 } curl_setopt($oCurl, CURLOPT_URL, $url); curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1 ); $sContent = curl_exec($oCurl); $aStatus = curl_getinfo($oCurl); curl_close($oCurl); if(intval($aStatus["http_code"])==200){ return $sContent; }else{ return false; } }$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken"; $res = json_decode ( $this->http_get ( $url ) ); $ticket = $res->ticket;private function getSignPackage($jsapiTicket,$url,$timestamp,$nonceStr) { // 这里参数的顺序要按照 key 值 ASCII 码升序排序 $string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url"; $signature = sha1 ( $string ); $signPackage["appId"] = C("APPID"); $signPackage["nonceStr"] = $nonceStr; $signPackage["timestamp"] = $timestamp; $signPackage["url"] = $url; $signPackage["signature"] = $signature; $signPackage["rawString"] = $string; return $signPackage; }标签：
原文地址：http://www.cnblogs.com/Blogyy/p/4744689.html
