<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>

wx.config({debug: false,appId: 'wxed7996e9ad58345d',timestamp: 1449717454,nonceStr: 'asdfasdfasdf',signature: 'b74fb4ab4790172d2ab7e58f0051a1523aaa4803',jsApiList: ['chooseImage','uploadImage']
});

// 获取access_token 两小时有效private function get_access_token(){$appid = C('oauth_config.appid');$appsecret = C('oauth_config.appsecret');$url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid='.$appid.'&secret='.$appsecret;$rurl = file_get_contents($url);$rurl = json_decode($rurl,true);if(array_key_exists('errcode',$rurl)){return false;}else{$access_token = $rurl['access_token'];return $access_token;}}

// 获取jsticket 两小时有效private function getjsticket(){ // 只允许本类调用，继承的都不可以调用，公开调用就更不可以了$access_token = $this->get_access_token();$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=".$access_token."&type=jsapi"; // 两小时有效$rurl = file_get_contents($url);$rurl = json_decode($rurl,true);if($rurl['errcode'] != 0){return false;}else{$jsticket = $rurl['ticket'];return $jsticket;}}

// 获取 signatureprivate function getsignature(){$noncestr = '';$jsapi_ticket = $this->getjsticket();$timestamp = time();$url = 'http://zhudianbao.diandodo.com/index.php?g=Opener&m=Merchant&a=open';$string1 = 'jsapi_ticket='.$jsapi_ticket.'&noncestr='.$noncestr.'&timestamp='.$timestamp.'&url='.$url;$signature = sha1($string1);return $signature;}

function chooseImage(obj){// 选择张片
    wx.chooseImage({count: 1, // 默认9sizeType: ['original', 'compressed'], // 可以指定是原图还是压缩图，默认二者都有sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
        success: function(res) {var localIds = res.localIds; // 返回选定照片的本地ID列表，localId可以作为img标签的src属性显示图片$(obj).attr('src', localIds);// 上传照片
            wx.uploadImage({localId: '' + localIds,isShowProgressTips: 1,success: function(res) {serverId = res.serverId;$(obj).next().val(serverId); // 把上传成功后获取的值附上
                }});}});
}

// 获取图片地址private function getmedia($access_token,$media_id,$foldername){$url = "http://file.api.weixin.qq.com/cgi-bin/media/get?access_token=".$access_token."&media_id=".$media_id;if (!file_exists("./Uploads/User_cert/".$foldername)) {mkdir("./Uploads/User_cert/".$foldername, 0777, true);}$targetName = './Uploads/User_cert/'.$foldername.'/'.date('YmdHis').rand(1000,9999).'.jpg';$ch = curl_init($url); // 初始化$fp = fopen($targetName, 'wb'); // 打开写入curl_setopt($ch, CURLOPT_FILE, $fp); // 设置输出文件的位置，值是一个资源类型curl_setopt($ch, CURLOPT_HEADER, 0);curl_exec($ch);curl_close($ch);fclose($fp);return $targetName;}

$targetName = './Uploads/User_cert/'.$foldername.'/'.date('YmdHis').rand(1000,9999).'.jpg';

<?php
class JSSDK {private $appId;private $appSecret;public function __construct($appId, $appSecret) {$this->appId = $appId;$this->appSecret = $appSecret;}public function getSignPackage() {$jsapiTicket = $this->getJsApiTicket();// 注意 URL 一定要动态获取，不能 hardcode.$protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";$url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";$timestamp = time();$nonceStr = $this->createNonceStr();// 这里参数的顺序要按照 key 值 ASCII 码升序排序$string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr&timestamp=$timestamp&url=$url";$signature = sha1($string);$signPackage = array("appId"     => $this->appId,"nonceStr"  => $nonceStr,"timestamp" => $timestamp,"url"       => $url,"signature" => $signature,"rawString" => $string);return $signPackage; }private function createNonceStr($length = 16) {$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";$str = "";for ($i = 0; $i < $length; $i++) {$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);}return $str;}private function getJsApiTicket() {// jsapi_ticket 应该全局存储与更新，以下代码以写入到文件中做示例$data = json_decode(file_get_contents("jsapi_ticket.json"));if ($data->expire_time < time()) {$accessToken = $this->getAccessToken();// 如果是企业号用以下 URL 获取 ticket// $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken";$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";$res = json_decode($this->httpGet($url));$ticket = $res->ticket;if ($ticket) {$data->expire_time = time() + 7000;$data->jsapi_ticket = $ticket;$fp = fopen("jsapi_ticket.json", "w");fwrite($fp, json_encode($data));fclose($fp);}} else {$ticket = $data->jsapi_ticket;}return $ticket;}private function getAccessToken() {// access_token 应该全局存储与更新，以下代码以写入到文件中做示例$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// $url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appId&corpsecret=$this->appSecret";$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";$res = json_decode($this->httpGet($url));$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($fp);}} else {$access_token = $data->access_token;}return $access_token;}private function httpGet($url) {$curl = curl_init();curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);curl_setopt($curl, CURLOPT_TIMEOUT, 500);// 为保证第三方服务器与微信服务器之间数据传输的安全性，所有微信接口采用https方式调用，必须使用下面2行代码打开ssl安全校验。// 如果在部署过程中代码在此处验证失败，请到 http://curl.haxx.se/ca/cacert.pem 下载新的证书判别文件。curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, true);curl_setopt($curl, CURLOPT_URL, $url);$res = curl_exec($curl);curl_close($curl);return $res;}
}

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本文转自TBHacker博客园博客，原文链接：http://www.cnblogs.com/jiqing9006/p/5038340.html，如需转载请自行联系原作者