php微信js分享项目示例类已经封装

//php页面

/** * php curl 请求链接 * 当$post_data为空时使用GET方式发送 * @param unknown $url * @param string $post_data * @return mixed */
function curlSend($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;
}



/** * 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 $APP_SECRET * @return Ambigous  */
function get_accesstoken($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;
}

/** * 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 $ACCESS_TOKEN * @return Ambigous  */
function get_jsapi_ticket($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);


        $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){

    $protocol = (!empty($_SERVER[HTTPS]) && $_SERVER[HTTPS] !== off || $_SERVER[SERVER_PORT] == 443) ? "https://" : "http://";
    $url = $protocol.$_SERVER[HTTP_HOST].$_SERVER[REQUEST_URI];

    $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=".$argu[nonceStr]."×tamp=".$argu[timestamp]."&url=".$argu[url];

    $argu[signature] = sha1(trim($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;
}
$confinfo =get_js_sdk("appid","APP_SECRET");

?>