<?php

namespace app\wap\controller;

use think\Controller;
\think\Loader::addNamespace(\'data\', \'data/\');
use data\extend\WchatOauth;
use data\service\Config;
use data\service\WebSite;
use data\service\Weixin;

class Wchat extends Controller
{

    public $wchat;

    public $weixin_service;

    public $author_appid;

    public $instance_id;

    public $style;

    public function __construct()
    {
        parent::__construct();
        $this->wchat = new WchatOauth(); // 微信公众号相关类
        
        $this->weixin_service = new Weixin();
        // 使用那个手机模板
        $config = new Config();
        $use_wap_template = $config->getUseWapTemplate(0);
        
        if (empty($use_wap_template)) {
            $use_wap_template[\'value\'] = \'default_new\';
        }
        $this->style = "wap/" . $use_wap_template[\'value\'] . "/";
        $this->assign("style", "wap/" . $use_wap_template[\'value\']);
        
        $this->getMessage();
    }

    /**
     * ************************************************************************微信公众号消息相关方法 开始******************************************************
     */
    /**
     * 关联公众号微信
     */
    public function relateWeixin()
    {
        $sign = request()->get(\'signature\', \'\');
        if (isset($sign)) {
            $signature = $sign;
            $timestamp = request()->get(\'timestamp\');
            $nonce = request()->get(\'nonce\');
            
            $token = "TOKEN";
            $config = new Config();
            $this->instance_id = 0;
            $wchat_config = $config->getInstanceWchatConfig($this->instance_id);
            if (! empty($wchat_config["value"]["token"])) {
                $token = $wchat_config["value"]["token"];
            }
            
            $tmpArr = array(
                $token,
                $timestamp,
                $nonce
            );
            
            sort($tmpArr, SORT_STRING);
            $tmpStr = implode($tmpArr);
            $tmpStr = sha1($tmpStr);
            
            if ($tmpStr == $signature) {
                $echostr = request()->get(\'echostr\', \'\');
                if (! empty($echostr)) {
                    ob_clean();
                    echo $echostr;
                }
                
                return 1;
            } else {
                return 0;
            }
        }
    }

    public function templateMessage()
    {
        $media_id = request()->get(\'media_id\', 0);
        $weixin = new Weixin();
        $info = $weixin->getWeixinMediaDetailByMediaId($media_id);
        if (! empty($info["media_parent"])) {
            $website = new WebSite();
            $website_info = $website->getWebSiteInfo();
            $this->assign("website_info", $website_info);
            $this->assign("info", $info);
            return view($this->style . \'Wchat/templateMessage\');
        } else {
            echo "图文消息没有查询到";
        }
    }

    /**
     * 微信开放平台模式(需要对消息进行加密和解密)
     * 微信获取消息以及返回接口
     */
    public function getMessage()
    {
        $from_xml = file_get_contents(\'php://input\');
        if (empty($from_xml)) {
            return;
        }
        $signature = request()->get(\'msg_signature\', \'\');
        $signature = request()->get(\'timestamp\', \'\');
        $nonce = request()->get(\'nonce\', \'\');
        $url = \'http://\' . $_SERVER[\'HTTP_HOST\'] . $_SERVER[\'PHP_SELF\'] . \'?\' . $_SERVER[\'QUERY_STRING\'];
        $ticket_xml = $from_xml;
        $postObj = simplexml_load_string($ticket_xml, \'SimpleXMLElement\', LIBXML_NOCDATA);
        
        $this->instance_id = 0;
        if (! empty($postObj->MsgType)) {
            switch ($postObj->MsgType) {
                case "text":
                    $weixin = new Weixin();
                    // 用户发的消息 存入表中
                    $weixin->addUserMessage((string) $postObj->FromUserName, (string) $postObj->Content, (string) $postObj->MsgType);
                    $resultStr = $this->MsgTypeText($postObj);
                    break;
                case "event":
                    $resultStr = $this->MsgTypeEvent($postObj);
                    break;
                default:
                    $resultStr = "";
                    break;
            }
        }
        if (! empty($resultStr)) {
            echo $resultStr;
        } else {
            echo \'\';
        }
        exit();
    }

    /**
     * 文本消息回复格式
     *
     * @param unknown $postObj            
     * @return Ambigous <void, string>
     */
    private function MsgTypeText($postObj)
    {
        $funcFlag = 0; // 星标
        $wchat_replay = $this->weixin_service->getWhatReplay($this->instance_id, (string) $postObj->Content);
        // 判断用户输入text
        if (! empty($wchat_replay)) { // 关键词匹配回复
            $contentStr = $wchat_replay; // 构造media数据并返回
        } elseif ($postObj->Content == "uu") {
            $contentStr = "shopId：" . $this->instance_id;
        } elseif ($postObj->Content == "TESTCOMPONENT_MSG_TYPE_TEXT") {
            $contentStr = "TESTCOMPONENT_MSG_TYPE_TEXT_callback"; // 微店插件功能 关键词，预留口
        } elseif (strpos($postObj->Content, "QUERY_AUTH_CODE") !== false) {
            $get_str = str_replace("QUERY_AUTH_CODE:", "", $postObj->Content);
            $contentStr = $get_str . "_from_api"; // 微店插件功能 关键词，预留口
        } else {
            $content = $this->weixin_service->getDefaultReplay($this->instance_id);
            if (! empty($content)) {
                $contentStr = $content;
            } else {
                $contentStr = \'\';
            }
        }
        if (is_array($contentStr)) {
            $resultStr = $this->wchat->event_key_news($postObj, $contentStr);
        } elseif (! empty($contentStr)) {
            $resultStr = $this->wchat->event_key_text($postObj, $contentStr);
        } else {
            $resultStr = \'\';
        }
        return $resultStr;
    }

    /**
     * 事件消息回复机制
     */
    // 事件自动回复 MsgType = Event
    private function MsgTypeEvent($postObj)
    {
        $contentStr = "";
        switch ($postObj->Event) {
            case "subscribe": // 关注公众号
                $str = $this->wchat->get_fans_info($postObj->FromUserName);
                if (preg_match("/^qrscene_/", $postObj->EventKey)) {
                    $source_uid = substr($postObj->EventKey, 8);
                    $_SESSION[\'source_shop_id\'] = $this->instance_id;
                    $_SESSION[\'source_uid\'] = $source_uid;
                } elseif (! empty($_SESSION[\'source_uid\'])) {
                    $source_uid = $_SESSION[\'source_uid\'];
                    $_SESSION[\'source_shop_id\'] = $this->instance_id;
                } else {
                    $source_uid = 0;
                }
                $Userstr = json_decode($str);
                $nickname = base64_encode($Userstr->nickname);
                $nickname_decode = preg_replace(\'/[\x{10000}-\x{10FFFF}]/u\', \'\', $Userstr->nickname);
                $headimgurl = $Userstr->headimgurl;
                $sex = $Userstr->sex;
                $language = $Userstr->language;
                $country = $Userstr->country;
                $province = $Userstr->province;
                $city = $Userstr->city;
                $district = "无";
                $openid = $Userstr->openid;
                if (! empty($Userstr->unionid)) {
                    $unionid = $Userstr->unionid;
                } else {
                    $unionid = \'\';
                }
                $subscribe_date = date(\'Y/n/j G:i:s\', (int) $postObj->CreateTime);
                $memo = $Userstr->remark;
                $weichat_subscribe = $this->weixin_service->addWeixinFans((int) $source_uid, $this->instance_id, $nickname, $nickname_decode, $headimgurl, $sex, $language, $country, $province, $city, $district, $openid, \'\', 1, $memo, $unionid); // 关注
                                                                                                                                                                                                                                                     // 添加关注回复
                $content = $this->weixin_service->getSubscribeReplay($this->instance_id);
                if (! empty($content)) {
                    $contentStr = $content;
                }
                // 构造media数据并返回 */
                break;
            case "unsubscribe": // 取消关注公众号
                $openid = $postObj->FromUserName;
                $weichat_unsubscribe = $this->weixin_service->WeixinUserUnsubscribe($this->instance_id, (string) $openid);
                break;
            case "VIEW": // VIEW事件 - 点击菜单跳转链接时的事件推送
                /* $this->wchat->weichat_menu_hits_view($postObj->EventKey); //菜单计数 */
                $contentStr = "";
                break;
            case "SCAN": // SCAN事件 - 用户已关注时的事件推送 - 扫描带参数二维码事件
                $openid = $postObj->FromUserName;
                $data = $postObj->EventKey;
                $user_bound = $this->weixin_service->userBoundParent((string) $openid, $data);
                $content = $this->weixin_service->getSubscribeReplay($this->instance_id);
                if (! empty($content)) {
                    $contentStr = $content;
                }
                break;
            case "CLICK": // CLICK事件 - 自定义菜单事件
                $menu_detail = $this->weixin_service->getWeixinMenuDetail($postObj->EventKey);
                $media_info = $this->weixin_service->getWeixinMediaDetail($menu_detail[\'media_id\']);
                $contentStr = $this->weixin_service->getMediaWchatStruct($media_info); // 构造media数据并返回 */
                break;
            default:
                break;
        }
        // $contentStr = $postObj->Event."from_callback";//测试接口正式部署之后注释不要删除
        if (is_array($contentStr)) {
            $resultStr = $this->wchat->event_key_news($postObj, $contentStr);
        } else {
            $resultStr = $this->wchat->event_key_text($postObj, $contentStr);
        }
        return $resultStr;
    }

/**
 * ************************************************************************微信公众号消息相关方法 结束******************************************************
 */
}

<?php
namespace data\extend;

use think\Cache as cache;
use data\service\Config;
use think;
use think\Log;

class WchatOauth
{

    public $author_appid;

    public $token;

    /**
     * 构造函数
     *
     * @param unknown $shop_id            
     */
    public function __construct($appid = \'\')
    {
        $this->author_appid = \'instanceid_0\';
    }

    /**
     * ***********************************************************************基础信息*************************************************
     */
    /**
     * 公众号获取access_token
     *
     * @return unknown
     */
    private function get_access_token()
    {
        // 公众平台模式获取token
        $token = $this->single_get_access_token();
        return $token;
    }

    /**
     * 公众平台账户获取token
     */
    private function single_get_access_token()
    {
        $config = new Config();
        $wchat_config = $config->getInstanceWchatConfig(0);
        $url = \'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=\' . $wchat_config[\'value\'][\'appid\'] . \'&secret=\' . $wchat_config[\'value\'][\'appsecret\'];
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        $a = curl_exec($ch);
        $strjson = json_decode($a);
        if($strjson == false || empty($strjson))
        {
            return \'\';
        }else{
            $token = $strjson->access_token;
            if (empty($token)) {} else {
                // 注意如果是多用户需要
                cache::set(\'token-\' . $this->author_appid, $token, 3600);
            }
            return $token;
        }
       
    }

    /**
     * 微信数据获取
     *
     * @param unknown $url            
     * @param unknown $data            
     * @param string $needToken            
     * @return string|unknown
     */
    private function get_url_return($url, $data = \'\', $needToken = false)
    {
        // 第一次为空，则从文件中读取
        if (empty($this->token)) {
            $this->token = cache::get(\'token-\' . $this->author_appid);
        }
        // 为空则重新取值
        if (empty($this->token) or $needToken) {
            
            $this->get_access_token();
            $this->token = cache::get(\'token-\' . $this->author_appid);
        }
        $newurl = sprintf($url, $this->token);
        $curl = curl_init(); // 创建一个新url资源
        curl_setopt($curl, CURLOPT_URL, $newurl);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
        if (! empty($data)) {
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        }
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        $AjaxReturn = curl_exec($curl);
        // curl_close();
        $strjson = json_decode($AjaxReturn);
        if (! empty($strjson->errcode)) {
            switch ($strjson->errcode) {
                case 40001:
                    return $this->get_url_return($url, $data, true); // 获取access_token时AppSecret错误，或者access_token无效
                    break;
                case 40014:
                    return $this->get_url_return($url, $data, true); // 不合法的access_token
                    break;
                case 42001:
                    return $this->get_url_return($url, $data, true); // access_token超时
                    break;
                case 45009:
                    return json_encode(array(
                        "errcode" => - 45009,
                        "errmsg" => "接口调用超过限制：" . $strjson->errmsg
                    ));
                    break;
                case 41001:
                    return json_encode(array(
                        "errcode" => - 41001,
                        "errmsg" => "缺少access_token参数：" . $strjson->errmsg
                    ));
                    break;
                default:
                    return json_encode(array(
                        "errcode" => - 41000,
                        "errmsg" => $strjson->errmsg
                    )); // 其他错误，抛出
                    break;
            }
        } else {
            return $AjaxReturn;
        }
    }

    /**
     * ***********************************************************************基础信息*************************************************
     */
    /**
     * *************************************************微信回复消息部分 开始**************************************
     */
    /**
     * 返回文本消息组装xml
     *
     * @param unknown $postObj            
     * @param unknown $content            
     * @param number $funcFlag            
     * @return string
     */
    public function event_key_text($postObj, $content, $funcFlag = 0)
    {
        if (! empty($content)) {
            $xmlTpl = "<xml>
                            <ToUserName><![CDATA[%s]]></ToUserName>
                            <FromUserName><![CDATA[%s]]></FromUserName>
                            <CreateTime>%s</CreateTime>
                            <MsgType><![CDATA[text]]></MsgType>
                            <Content><![CDATA[%s]]></Content>
                            <FuncFlag>%d</FuncFlag>
                        </xml>";
            $resultStr = sprintf($xmlTpl, $postObj->FromUserName, $postObj->ToUserName, time(), $content, $funcFlag);
            return $resultStr;
        }else{
            return \'\';
        }
    }

    /**
     * 返回图文消息组装xml
     *
     * @param unknown $postObj            
     * @param unknown $arr_item            
     * @param number $funcFlag            
     * @return void|string
     */
    public function event_key_news($postObj, $arr_item, $funcFlag = 0)
    {
        // 首条标题28字，其他标题39字
        if (! is_array($arr_item)) {
            return;
        }
        $itemTpl = "<item>
                        <Title><![CDATA[%s]]></Title>
                        <Description><![CDATA[%s]]></Description>
                        <PicUrl><![CDATA[%s]]></PicUrl>
                        <Url><![CDATA[%s]]></Url>
                    </item>
                ";
        $item_str = "";
        foreach ($arr_item as $item) {
            $item_str .= sprintf($itemTpl, $item[\'Title\'], $item[\'Description\'], $item[\'PicUrl\'], $item[\'Url\']);
        }
        $newsTpl = "<xml>
        <ToUserName><![CDATA[%s]]></ToUserName>
        <FromUserName><![CDATA[%s]]></FromUserName>
        <CreateTime>%s</CreateTime>
        <MsgType><![CDATA[news]]></MsgType>
        <Content><![CDATA[]]></Content>
        <ArticleCount>%s</ArticleCount>
        <Articles>
        $item_str</Articles>
        <FuncFlag>%s</FuncFlag>
        </xml>";
        $resultStr = sprintf($newsTpl, $postObj->FromUserName, $postObj->ToUserName, time(), count($arr_item), $funcFlag);
        return $resultStr;
    }

    /**
     * *************************************************微信回复消息部分 结束******************************************************************************
     */
    
    /**
     * **********************************************************************************微信获取粉丝信息 开始*********************************************
     */
    
    /**
     * 微信公众号拉取粉丝信息
     *
     * @param unknown $next_openid            
     * @return mixed
     */
    public function get_fans_list($next_openid)
    {
        $strjson = $this->get_url_return("https://api.weixin.qq.com/cgi-bin/user/get?access_token=%s&next_openid={$next_openid}");
        $strarray = json_decode($strjson, true);
        return $strarray;
    }
    /**
     * 批量获取用户粉丝信息
     * @return mixed
     */
    public function get_fans_info_list($openids)
    {
        $strjson = $this->get_url_return("https://api.weixin.qq.com/cgi-bin/user/info/batchget?access_token=%s", $openids);
        $strarray = json_decode($strjson, true);
        return $strarray;
    }

    /**
     * 获取粉丝信息（通过openID）
     *
     * @param unknown $openid            
     * @return Ambigous <string, \data\extend\unknown, mixed>
     */
    public function get_fans_info($openid)
    {
        $url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=%s&openid={$openid}";
        return $this->get_url_return($url);
    }

    /**
     * 获取openid(前台会员)
     *
     * @return unknown
     */
    public function get_member_access_token()
    {
        if (strpos($_SERVER[\'HTTP_USER_AGENT\'], \'MicroMessenger\')) {
            // 通过code获得openid
            if (empty($_GET[\'code\'])) {
                // 触发微信返回code码
                $baseUrl = request()->url(true);
                $url = $this->get_single_authorize_url($baseUrl, "123");
                
                Header("Location: $url");
                exit();
            } else {
                // 获取code码，以获取openid
                $code = $_GET[\'code\'];
                
                $data = $this->get_single_access_token($code);
                return $data;
            }
        }
    }

    /**
     * 获取OAuth2授权access_token(微信公众平台模式)
     *
     * @param string $code
     *            通过get_authorize_url获取到的code
     */
    public function get_single_access_token($code = \'\')
    {
        $config = new Config();
        $wchat_config = $config->getInstanceWchatConfig(0);
        $token_url = \'https://api.weixin.qq.com/sns/oauth2/access_token?appid=\' . $wchat_config[\'value\'][\'appid\'] . \'&secret=\' . $wchat_config[\'value\'][\'appsecret\'] . \'&code=\' . $code . \'&grant_type=authorization_code\';
        $data = $this->get_url_return($token_url);
        $token_data = json_decode($data, true);
        return $token_data;
    }

    /**
     * 获取微信OAuth2授权链接snsapi_base
     *
     * @param string $redirect_uri
     *            跳转地址
     * @param mixed $state
     *            参数
     *            不弹出授权页面，直接跳转，只能获取用户openid
     */
    public function get_single_authorize_url($redirect_url = \'\', $state = \'\')
    {
        $redirect_url = urlencode($redirect_url);
        $config = new Config();
        $wchat_config = $config->getInstanceWchatConfig(0);
        return "https://open.weixin.qq.com/connect/oauth2/authorize?appid=" . $wchat_config[\'value\'][\'appid\'] . "&redirect_uri=" . $redirect_url . "&response_type=code&scope=snsapi_userinfo&state={$state}#wechat_redirect";
    }

    /**
     * 获取会员对于公众号信息
     *
     * @param unknown $appid            
     */
    public function get_oauth_member_info($token)
    {
        $token_url = "https://api.weixin.qq.com/sns/userinfo?access_token=" . $token[\'access_token\'] . "&openid=" . $token[\'openid\'] . "&lang=zh_CN";
        $data = $this->get_url_return($token_url);
        return $data;
    }
    // 单发消息
    public function send_message($openid, $msgtype, $content)
    {
        $json = \'{"touser":"%s","msgtype":"%s","text":{"content":"%s"}}\';
        $jsondata = sprintf($json, $openid, $msgtype, $content);
        $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=%s";
        return $this->get_url_return($url, $jsondata);
    }
    // 群发消息
    public function send_group_message($jsondata)
    {
        $url = "https://api.weixin.qq.com/cgi-bin/media/uploadnews?access_token=%s";
        return $this->get_url_return($url, $jsondata);
    }
    
    // 基础支持: 多媒体文件上传接口 /media/upload媒体文件类型，分别有图片（image）、语音（voice）、视频（video）和缩略图（thumb）
    // form-data中媒体文件标识，有filename、filelength、content-type等信息
    public function upload_media($type)
    {
        $url = "http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token=%s&type=" . $type;
        return $this->get_url_return($url);
    }
    // 基础支持: 下载多媒体文件接口 /media/get
    public function get_modia($media_id)
    {
        $url = "http://file.api.weixin.qq.com/cgi-bin/media/get?access_token=%s&media_id=" . $media_id;
        return $this->get_url_return($url);
    }

    /**
     * **********************************************************************************微信获取粉丝信息 结束*********************************************
     */
    /**
     * 微信公众号自定义菜单
     *
     * @param unknown $appid            
     * @param unknown $jsonmenu            
     * @return Ambigous <string, \data\extend\unknown, mixed>
     */
    public function menu_create($jsonmenu)
    {
        $url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=%s";
        $result = $this->get_url_return($url, $jsonmenu);
        return $result;
    }

    /**
     * **********************************************************************************微信推广二维码 开始*********************************************
     */
    // 生成永久二维码图片地址
    public function ever_qrcode($data_id)
    {
        if (! empty($data_id)) {
            $data_array = array(
                \'action_name\' => \'QR_LIMIT_STR_SCENE\',
                \'action_info\' => array(
                    \'scene\' => array(
                        \'scene_str\' => $data_id
                    )
                )
            );
            
            $json = json_encode($data_array);
            return $this->qrcode_create($json);
        }
    }

    /**
     * 推广支持: 创建二维码ticket接口 /qrcode/create && 换取二维码 /showqrcode
     *
     * @return src [二维码图片地址]
     */
    // 生成二维码基类函数
    public function qrcode_create($json)
    {
        // 临时二维码请求说明POST-json：{"action_name": "QR_LIMIT_STR_SCENE", "action_info": {"scene": {"scene_str": "123"}}}
        // 永久二维码请求说明POST-json：POST数据例子：{"action_name": "QR_LIMIT_SCENE", "action_info": {"scene": {"scene_id": 123}}}
        // action_name 二维码类型，QR_SCENE为临时,QR_LIMIT_SCENE为永久,QR_LIMIT_STR_SCENE为永久的字符串参数值
        $url = "https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=%s";
        
        $jsonReturn = $this->get_url_return($url, $json);
        $jsonReturn = json_decode($jsonReturn);
        if (! empty($jsonReturn->ticket)) {
            $ticket = $jsonReturn->ticket;
            // $QrCode = "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=".$ticket;
            $QrCode = $jsonReturn->url;
        } else {
            $QrCode = \'\';
        }
        
        return $QrCode;
    }

    /**
     * 把微信生成的图片存入本地
     *
     * @param [type] $username
     *            [用户名]
     * @param [string] $LocalPath
     *            [要存入的本地图片地址]
     * @param [type] $weixinPath
     *            [微信图片地址]
     *            
     * @return [string] [$LocalPath]失败时返回 FALSE
     */
    public function save_weixin_img($local_path, $weixin_path)
    {
        $weixin_path_a = str_replace("https://", "http://", $weixin_path);
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $weixin_path_a);
        curl_setopt($ch, CURLOPT_TIMEOUT, 5);
        curl_setopt($ch, CURLOPT_USERAGENT, _USERAGENT_);
        curl_setopt($ch, CURLOPT_REFERER, _REFERER_);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        $r = curl_exec($ch);
        curl_close($ch);
        if (! empty($local_path) && ! empty($weixin_path_a)) {
            $msg = file_put_contents($local_path, $r);
        }
        // 执行图片压缩
        $image = think\Image::open($local_path);
        $image->thumb(120, 120, \think\Image::THUMB_CENTER)->save($local_path);
        return $local_path;
    }

    /**
     * **********************************************************************************微信推广二维码 结束*********************************************
     */
    /**
     * 功能说明：从微信选择地址 - 创建签名SHA1
     *
     * @param array $Parameters
     *            string1加密
     */
    public function sha1_sign($Parameters)
    {
        $signPars = \'\';
        ksort($Parameters);
        foreach ($Parameters as $k => $v) {
            if ("" != $v && "sign" != $k) {
                if ($signPars == \'\')
                    $signPars .= $k . "=" . $v;
                else
                    $signPars .= "&" . $k . "=" . $v;
            }
        }
        $sign = sha1($signPars);
        return $sign;
    }

    /**
     * 产生随机字符串，不长于32位
     *
     * @param int $length            
     * @return 产生的随机字符串
     */
    public function get_nonce_str($length = 32)
    {
        $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
        $str = "";
        for ($i = 0; $i < $length; $i ++) {
            $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
        }
        return $str;
    }

    /**
     * 格式化参数格式化成url参数
     */
    public function to_url_param()
    {
        $buff = "";
        foreach ($this->values as $k => $v) {
            if ($k != "sign" && $v != "" && ! is_array($v)) {
                $buff .= $k . "=" . $v . "&";
            }
        }
        $buff = trim($buff, "&");
        return $buff;
    }

    /**
     * *************分享接口*********************************************************************************************
     */
    // jsapi_ticket JS接口的临时票据
    public function jsapi_ticket()
    {
        $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=%s&type=jsapi";
        $ticket = json_decode($this->get_url_return($url), true);
        return $ticket[\'ticket\'];
    }

    /**
     * *************模板消息接口*********************************************************************************************
     */
    // 获取模板ID POST请求
    public function templateID($templateno)
    {
        $templateno_array = array(
            "template_id_short" => $templateno
        );
        $json = json_encode($templateno_array);
        $url = "https://api.weixin.qq.com/cgi-bin/template/api_add_template?access_token=%s";
        return $this->get_url_return($url, $json);
    }
    
    // 模版消息发送
    public function templateMessageSend($openid, $templateId, $url, $first, $keyword1, $keyword2, $keyword3, $keyword4, $remark)
    {
        $array = array(
            \'touser\' => $openid,
            \'template_id\' => $templateId,
            \'url\' => $url,
            \'topcolor\' => \'#FF0000\',
            \'data\' => array(
                \'first\' => array(
                    \'value\' => $first,
                    \'color\' => \'#173177\'
                ),
                \'keyword1\' => array(
                    \'value\' => $keyword1,
                    \'color\' => \'#173177\'
                ),
                \'keyword2\' => array(
                    \'value\' => $keyword2,
                    \'color\' => \'#173177\'
                ),
                \'keyword3\' => array(
                    \'value\' => $keyword3,
                    \'color\' => \'#173177\'
                ),
                \'keyword4\' => array(
                    \'value\' => $keyword4,
                    \'color\' => \'#173177\'
                ),
                \'remark\' => array(
                    \'value\' => $remark,
                    \'color\' => \'#173177\'
                )
            )
        );
        $json = json_encode($array);
        $url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=%s";
        return $this->get_url_return($url, $json);
    }

    public function MessageSendToUser($openid, $msg_type, $content)
    {
        $array = array(
            \'touser\' => $openid
        );
        switch ($msg_type) {
            case "text":
                $array[\'msgtype\'] = \'text\';
                $array[\'text\'] = array(
                    \'content\' => $content
                );
                break;
        }
        $json = json_encode($array);
        $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=%s";
        return $this->get_url_return($url, $json);
    }
    
    /**
     * 获取openid(前台会员)
     *
     * @return unknown
     */
    public function get_weixin_member_access_token($code)
    {
        // 通过code获得openid
        if (empty($code)) {
            // 触发微信返回code码
            $baseUrl = request()->url(true);
            $url = $this->get_single_authorize_url($baseUrl, "123");
    
            Header("Location: $url");
            exit();
        } else {
            // 获取code码，以获取openid
            $data = $this->get_single_access_token($code);
            return $data;
        }
    }
}