lcc
77 lines
2.1 KiB
PHP
77 lines
2.1 KiB
PHP
<?php
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class Jssdk
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{
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private $appId;
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private $appSecret;
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private $redis;
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public function __construct($group = 'default')
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{
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$CI = &get_instance();
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if (is_array($group)) {
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$this->appId = $group['appid'];
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$this->appSecret = $group['appSecret'];
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} else {
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$CI->load->config('wechat');
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$config = $CI->config->item($group);
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$this->appId = $config['appid'];
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$this->appSecret = $config['appSecret'];
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}
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$r = &load_cache('redis');
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$this->redis = $r->redis();
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$param = array('appid' => $this->appId, "secret" => $this->appSecret);
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$CI->load->library("hd_wechat", $param);
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$this->hd_wechat = $CI->hd_wechat;
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$this->hd_wechat->init($param);
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}
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public function getSignPackage($url = '')
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{
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$jsapiTicket = $this->getJsApiTicket();
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if (!$url) {
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$url = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
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if ($_SERVER['QUERY_STRING']) {
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//$url .= '?'.$_SERVER['QUERY_STRING'];
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}
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}
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$timestamp = time();
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$nonceStr = $this->createNonceStr();
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// 这里参数的顺序要按照 key 值 ASCII 码升序排序
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$string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url";
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$signature = sha1($string);
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$signPackage = array(
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"appId" => $this->appId,
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"timestamp" => $timestamp,
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"nonceStr" => $nonceStr,
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"signature" => $signature,
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"url" => $url,
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"rawString" => $string,
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'jsapi_ticket' => $jsapiTicket
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);
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return $signPackage;
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}
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private function createNonceStr($length = 16)
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{
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$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
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$str = "";
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for ($i = 0; $i < $length; $i++) {
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$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
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}
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return $str;
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}
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private function getJsApiTicket()
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{
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$ticket = $this->hd_wechat->api_ticket();
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return $ticket;
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}
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}
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