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实例

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2018/6/1 0001
 * Time: 上午 9:52
 */

namespace app\index\controller;


use think\Controller;
use think\facade\Request;

//注意驼峰规则命名的控制器在url中访问中间是要加 _ 下划线的 略坑 不知道为什么这么设计
class Weixin extends Controller
{
    public function __construct()
    {
        parent::__construct();
        $this->model = model('WeixinModel');//这块控制器名字写错了 难怪出不来。。。。
    }
    //验证签名
    public function check()
    {
        $valid = $this->model->checkToken();
        if (is_bool($valid) && !$valid) {
            exit('signature error');
        }
        $xmldata = file_get_contents("php://input");
        file_put_contents('D://location0.txt',$xmldata);
        file_put_contents("c:\xmldata.txt",$xmldata);
        $postObj = simplexml_load_string($xmldata, 'SimpleXMLElement', LIBXML_NOCDATA);
        $data = (array)$postObj;
        // 事件推送
        if(isset($data['MsgType']) && $data['MsgType'] == 'event'){
//            // 关注
//            if($data['Event'] == 'subscribe'){
//                $this->model->subscribe($data);
//            }
//            // 取消关注
//            if($data['Event'] == 'unsubscribe'){
//                $this->model->unsubscribe($data);
//            }
//            file_put_contents('D://location1.txt',$xmldata);
//            if($data['Event'] == 'LOCATION'){
//                file_put_contents('D://location.txt', var_export($data,true));
//                self::locationinfo($data);
//                exit('success');
//            }
            file_put_contents('D://location1.txt',$xmldata);
            switch ($data['Event']){
                case 'subscribe':
                    $this->model->subscribe($data);
                    break;
                case 'unsubscribe':
                    $this->model->unsubscribe($data);
                    break;
                case 'LOCATION':
                    file_put_contents('D://location.txt', var_export($data,true));
                    if (isset($data['Latitude'])){
                        $this->model->locationinfo($data);
                        exit('success');
                    }
                    break;
            }
        }
        exit(input('get.echostr'));
    }
    //获取access_token
    public function access_token(){
        $res = $this->model->getAccessToken();
        if (is_bool($res) && !$res){
            return "token获取失败";
        }
        return $res;
    }

    public function set_bottom_menu(){
        $res = $this->model->SetBottomMenu();
        exit($res);
    }
    //认证获取code
    public function auth(){
        $appid=config('app.appid');
        $redirect = 'http://a8286a29.ngrok.io/index.php/index/weixin/userinfo';
        $url_code = 'https://open.weixin.qq.com/connect/oauth2/authorize?appid='.$appid.'&redirect_uri='.urlEncode($redirect).'&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect';
        file_put_contents("c:\url_code.txt",$url_code);
        header('Location:'.$url_code);
    }
    //认证获取code之后 这里获取返回code 并验证网页授权
    public function userinfo(){
        // 获取code
//        $code = input('get.code');
        $code = Request::get('code');
        dump($code,true,"code:");
        file_put_contents("c:\b.txt",$code);
        // 第二步：通过code换取网页授权access_token
        $res = $this->model->auth_access_token($code);
        $auth_access_token = $res['access_token'];
        dump($auth_access_token,true,"auth_access_token:");
        $openid = $res['openid'];
        // 第三步：拉取用户信息(需scope为 snsapi_userinfo)
        $userinfo = $this->model->get_userinfo($auth_access_token,$openid);
        dump($userinfo);
        $this->model->setnickname($openid,$userinfo);
        $this->view->assign('openid',$userinfo['openid']);
        $this->view->assign('userinfo',$userinfo);
        return $this->view->fetch();
    }

    public function get_location(){
        $opts = array('http'=>array('header' => "User-Agent:MyAgent/1.0\r\n"));
        $context = stream_context_create($opts);
        $res = file_get_contents('http://a8286a29.ngrok.io/index.php/index/weixin/location',false,$context);
//        $res = file_get_contents("http://e45191e0.ngrok.io/index.php/index/weixin/location");
        exit($res);
    }
    public function location(){
        $data['appid'] = config('app.appid');
        $data['timestamp'] = time();
        $data['nonceStr'] = md5(time().rand(1,999));
        //获取本地access_token(注意这个跟web授权的access_token不是同一个);
        $res = $this->model->getAccessToken();
        if (is_bool($res)){
            exit("获取token失败");
        }
        $access_token =$res;
        $jsapi_ticket = $this->model->jsapi_ticket($access_token);
        if (is_bool($jsapi_ticket)){
            return utf8_encode("获取jsapi_ticket失败");
        }
        // 2、构造签名字符串
        $params['noncestr'] = $data['nonceStr'];
//        $params['jsapi_ticket'] = $jsapi_ticket;
        $params['jsapi_ticket'] = $jsapi_ticket['ticket'];
        $params['timestamp'] = $data['timestamp'];
        $params['url'] = 'http://a8286a29.ngrok.io/index.php/index/weixin/get_location';
        ksort($params);
        $str= urldecode(http_build_query($params));    // 防止url字符转义
        // 3、生成签名
        $data['signature'] = sha1($str);
//        $this->view->assign("data", $data);
        $this->view->assign("appid", $data['appid']);
        $this->view->assign("noncestr",$data['nonceStr']);
        $this->view->assign("jsapi_ticket",$jsapi_ticket['ticket']);
        $this->view->assign("timestamp",$data['timestamp']);
        $this->view->assign("signature",$data['signature']);
        return $this->view->fetch();
    }
}

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实例

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2018/6/1 0001
 * Time: 上午 9:52
 */

namespace app\index\model;

use think\facade\Request;
use think\facade\Config;
use think\Model;
use think\Facade\Cache;

class WeixinModel extends Model
{
    protected $table = 'user';
    protected $pk = 'uid';

    public function checkToken()
    {
//        $signature = input('get.signature');
//        $timestamp = input('get.timestamp');
//        $nonce = input('get.nonce');
//        $echostr = input('get.echostr');
//        $Token = config('app.token');

        $signature = Request::param('signature');
        $timestamp = Request::param('timestamp');
        $nonce = Request::param('nonce');
        $echostr = Request::param('echostr');
        $Token = Config::get('app.token');
//        file_put_contents("E:\php\phpStudy_tools\myphp_www\PHPTutorial\WWW\php\WeiXin\a.txt","signature ".$signature."  timestamp  ".$timestamp."  nonce  ".$nonce."   echostr  ".$echostr);
        $tmpArr = array($timestamp, $nonce, $Token);
        sort($tmpArr, SORT_STRING);
        $tmpStr = implode($tmpArr);
        $tmpStr = sha1($tmpStr);
        if ($tmpStr != $signature) {
            return false;
        }
        return true;
    }

// 关注
    public function subscribe($data)
    {
        file_put_contents("C:/guanzhu.txt", var_export($data,true));
        // 检查用户是否已存在
//        $user = Db::name('user')->where(array('openid'=>$data['FromUserName']))->find();
        $user = WeixinModel::where('openid', $data['FromUserName'])->find();
        if ($user == null) {
            $dataUser = [
                'openid' => $data['FromUserName'],
                'sub_status' => 1,
                'add_time' => time()
            ];
            WeixinModel::insertGetId($dataUser);
        } else {
            $dataUser = [
                'openid' => $data['FromUserName'],
                'sub_status' => 1,
                'add_time' => time()
            ];
            WeixinModel::update($dataUser,function ($query) use ($data){
                $query->where("openid",$data['FromUserName']);
            });
        }
    }
    public function setnickname($openid,$userinfo){
        $user = WeixinModel::where('openid',$openid)->find();
        if ($user!=null){
            $dataUser = [
                'nickname' => $userinfo['nickname'],
            ];
            WeixinModel::update($dataUser,function ($query) use ($openid){
                $query->where("openid",$openid);
            });
        }
    }
    // 取消关注
    public function unsubscribe($data)
    {
        file_put_contents("C:/cacle.txt", var_export($data,true));
        $user = WeixinModel::where('openid', $data['FromUserName'])->find();
        if ($user == null) {
            $dataUser = [
                'openid' => $data['FromUserName'],
                'sub_status' => 1,
                'add_time' => time()
            ];
            WeixinModel::insertGetId($dataUser);
        } else {
            $dataUser = [
                'openid' => $data['FromUserName'],
                'sub_status' => 0,
                'add_time' => time()
            ];
            WeixinModel::update($dataUser,function ($query) use ($data){
                $query->where("openid",$data['FromUserName']);
            });
        }
    }

    public function getAccessToken($iscache = true)
    {
        $key = 'access_token';
        if (!$iscache) {
            Cache::rm($key);
        }
        $data = Cache::get($key);
        if ($data && $iscache) {
            return $data;
        }
        $appid = Config::get('app.appid');
        $appsecret = config('app.appsecret');
        $url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=' . $appid . '&secret=' . $appsecret;
        $res = http_get($url);
        $res = json_decode($res, true);
        if (!isset($res['access_token'])) {
            return false;/*'获取token失败'$res['errmsg']*/
        }
        Cache::set($key, $res['access_token'], ($res['expires_in'] - 100));
        return $res['access_token'];
    }

    public function SetBottomMenu()
    {
        $access_token = self::getAccessToken();
        $url = ' https://api.weixin.qq.com/cgi-bin/menu/create?access_token=' . $access_token;
        $data = '{
                    "button":[
                        {    
                            "type":"view",  
                            "name":"首页",  
                            "url":"http://m.php.cn/" 
                        },
                        {
                            "type":"view",  
                            "name":"视频",  
                            "url":"http://m.php.cn/" 
                        },
                        {
                            "name":"接口DEM0",
                            "sub_button":[
                                {
                                    "type":"view",
                                    "name":"用户信息",
                                    "url":"http://a8286a29.ngrok.io/index.php/index/weixin/auth"
                                },
                                {
                                   "type":"view",
                                   "name":"用户地理位置",
                                   "url":"http://a8286a29.ngrok.io/index.php/index/weixin/get_location"
                                }]
                        }]
                }';
        $res = http_Post($url, $data);
        return $res;
    }

    // 网页授权access_token
    public function auth_access_token($code)
    {
        $appid = config('app.appid');
        $appsecret = config('app.appsecret');
        $url = 'https://api.weixin.qq.com/sns/oauth2/access_token?appid=' . $appid . '&secret=' . $appsecret . '&code=' . $code . '&grant_type=authorization_code';
        $res = http_get($url);
        $res = json_decode($res, true);
        if (!isset($res['access_token'])) {
            return false;
        }
        return $res;
    }

    // 拉取用户信息
    public function get_userinfo($auth_access_token, $openid)
    {
        $url = 'https://api.weixin.qq.com/sns/userinfo?access_token=' . $auth_access_token . '&openid=' . $openid . '&lang=zh_CN';
        $res = http_get($url);
        $res = json_decode($res, true);
        return $res;
    }
    public function locationinfo($data){
        $user = WeixinModel::where('openid', $data['FromUserName'])->find();
        if ($user!=null){
            $dataUser = [
                'lat' => $data['Latitude'],
                'lng' => $data['Longitude']
            ];
            WeixinModel::update($dataUser,function ($query) use ($data){
                $query->where("openid",$data['FromUserName']);
            });
        }
    }
    public function jsapi_ticket($access_token){
        if (!isset($access_token)){
            return false;
        }
        $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=".$access_token."&type=jsapi";
        $res = http_Get($url);
        $res = json_decode($res,true);
        if (isset($res['ticket'])){
            return $res;
        }else{
            return false;
        }
    }
}

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