The acquisition class of config in WeChat jsdk

/**
 * 微信网页JSSDK  调用接口获取 $jsapi_ticket
 * 微信缓存 7200 秒，这里使用thinkphp的缓存方法
 * @param unknown $ACCESS_TOKEN
 * @return Ambigous <mixed, Thinkmixed, object>
 */
function get_jsapi_ticket($ACCESS_TOKEN){
    $jsapi_ticket = $ACCESS_TOKEN;
    if($jsapi_ticket){
        $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=".$ACCESS_TOKEN."&type=jsapi";
        $json = curlSend($url);
        $data = json_decode($json,true);

     // print_r($data) ;die();
        $jsapi_ticket = $data[ticket];
    }

    return $jsapi_ticket;
}

/**
 * 微信网页JSSDK 获取签名字符串
 * 所有参数名均为小写字符
 * @param unknown $nonceStr 随机字符串
 * @param unknown $timestamp 时间戳
 * @param unknown $jsapi_ticket
 * @param unknown $url 调用JS接口页面的完整URL，不包含#及其后面部分
 */
function get_js_sdk($APP_ID,$APP_SECRET,$url){

    $protocol = (!empty($_SERVER[HTTPS]) && $_SERVER[HTTPS] !== off || $_SERVER[SERVER_PORT] == 443) ? "https://" : "http://";
    //$url = $protocol.$_SERVER[HTTP_HOST].$_SERVER[REQUEST_URI];
    //$url="http://".$_SERVER['HTTP_HOST']."/kuleiman/".($member_id)."/";
    $argu = array();
    $argu[appId] = $APP_ID;
    $argu[url] = $url;
    //echo $argu[url];die();
    $argu[nonceStr] = createNonceStr();
    $argu[timestamp] = time();

    $ACCESS_TOKEN = get_accesstoken($APP_ID, $APP_SECRET);

    $argu[jsapi_ticket] = get_jsapi_ticket($ACCESS_TOKEN);

    $string = "jsapi_ticket=".$argu[jsapi_ticket]."&noncestr=".$argu[nonceStr]."&timestamp=".$argu[timestamp]."&url=".$argu[url];
    $argu['string']=$string;
    $argu[signature] = sha1(trim($string));
    return $argu;
}

/**
 * 获取随机字符串
 * @param number $length
 * @return string
 */
function createNonceStr($length = 16) {
    $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
    $str = "";
    for ($i = 0; $i < $length; $i++) {
        $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
    }
    return $str;
}
/**

 * 调用接口获取 $ACCESS_TOKEN
 * 微信缓存 7200 秒，这里使用thinkphp的缓存方法
 * @param unknown $APP_ID
 * @param unknown $APP_SECRET
 * @return Ambigous <mixed, Thinkmixed, object>
 */
function get_accesstoken($APP_ID,$APP_SECRET){
    $ACCESS_TOKEN = $APP_ID;

    if($ACCESS_TOKEN ){

        $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$APP_ID."&secret=".$APP_SECRET;

        $json = curlSend($url);
        $data=json_decode($json,true);
        $ACCESS_TOKEN = $data[access_token];
    }

    return $ACCESS_TOKEN;
}
function curlSend($url,$post_data=""){

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL,$url);
    if($post_data != ""){
        curl_setopt($ch,CURLOPT_POST,1);
        curl_setopt($ch,CURLOPT_POSTFIELDS,$post_data);
    }
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

    $result = curl_exec($ch);
    curl_close($ch);

    return $result;
}
$url = "http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
//get_js_sdk（'appid','APP_SECRET','链接'）