first commit

application/admin/controller/Officialaccount.php

@@ -0,0 +1,142 @@
+<?php
+
+namespace app\admin\controller;
+
+use app\admin\model\AdminLog;
+use app\common\controller\Backend;
+use think\Config;
+use think\Db;
+use think\Hook;
+use think\Session;
+use think\Validate;
+
+/**
+ * 公众号扫一扫功能
+ */
+class Officialaccount extends Backend
+{
+    protected $noNeedLogin = ['login'];
+    protected $noNeedRight = ['index', 'logout'];
+    protected $layout = '';
+
+    public function _initialize()
+    {
+        parent::_initialize();
+        //移除HTML标签
+        $this->request->filter('trim,strip_tags,htmlspecialchars');
+    }
+
+    public function index(){
+        echo '测试连接成功';
+    }
+
+
+    /**
+     *1.服务器接口，微信公众平台填写的url
+     * http://域名/控制器/link
+     */
+    public function link(){
+        $echostr=$_GET['echostr'];//微信服务器提供的 随机字符串
+        if ($this->check()){//验证签名是否正确
+            echo $echostr;
+            exit;
+        }
+    }
+
+    /**
+     * 2.验证签名
+     */
+    public function check(){
+        $signature=$_GET['signature'];  //微信服务器提供的 微信加密签名
+        $timestamp=$_GET['timestamp'];  //微信服务器提供的 时间戳
+        $nonce=$_GET['nonce'];          //微信服务器提供的 随机数
+        $token='z9EGslrxPpbicuy48mkw';  //自己定义的 Token
+        $tmpArr = array($token,$timestamp,$nonce);//数组
+        sort($tmpArr);           //排序
+        $tmpstr=implode($tmpArr);       //数据转字符串
+        $tmpstr=sha1($tmpstr);          //字符串加密
+        if ($tmpstr==$signature){
+            return true;
+        }else{
+            return false;
+        }
+    }
+
+
+    /**
+     * 获取access_token存进数据库
+    */
+    public function access_token(){
+        $token = Db::name("v_access_token")->find(1);
+        $date = date('Y-m-d H:i:s');
+        if (strtotime($token['addtime']) > strtotime($date)){
+            return $token['access_token'];
+        }else{
+            $appid = "你的appid";
+            $appsecret = "你的appsecret ";
+            $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$appid}&secret={$appsecret}";
+            $rt = $this->request_get($url);
+            $data['access_token']=$rt['access_token'];
+            $data['addtime']= date("Y-m-d H:i:s", strtotime("$date +60 min"));
+            $rt =DB::name("v_access_token")->where("id='1'")->save($data);
+            if ($rt){
+                $token = Db::name("v_access_token")->find(1);
+                return $token['access_token'];
+            }else{
+                return "获取access_token错误";
+            }
+        }
+    }
+
+    /**
+     * 3.发送http请求，并返回数据
+     * @param $url
+     * @return mixed
+     */
+    public function request_get($url){
+        $curl = curl_init();// 1. 初始化一个 cURL 对象
+        curl_setopt($curl,CURLOPT_URL,$url);// 2.设置你需要抓取的URL
+        curl_setopt($curl,CURLOPT_HEADER,0);
+        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1 );// 3.https必须加这个，不加不好使（不多加解释，东西太多了
+        curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);
+        $res = curl_exec($curl);// 5. 运行cURL，请求网页
+        curl_close($curl);// 6. 关闭URL请求
+        $json_obj = json_decode($res,true);
+        return $json_obj;
+    }
+
+
+    public function user(){
+        //1.用户点击静默授权链接 获取用户的code
+        $code = input("code");
+        //2.通过code换取网页授权access_token
+        $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=$this->appid&secret=$this->appsecret&code={$code}&grant_type=authorization_code";
+        $rt = $this->request_get($url);
+        //拿着access_token换取用户信息
+        if (!empty($rt['access_token'])) {
+            Session('access_token', $rt['access_token'], 7200);
+            Session('openid', $rt['openid'], 7200);
+        }
+        $access_token = Session('access_token');
+        $openid = Session('openid');
+        //3.获取用户基本信息
+        $url = "https://api.weixin.qq.com/sns/userinfo?access_token={$access_token}&openid={$openid}&lang=zh_CN";
+        $user_url = $this->request_get($url);
+        $openid = $user_url['openid'];
+        if($openid){
+            $user = Db::name('v_user')->where("openid='$openid'")->find();
+            if (!$user){
+                $data['openid'] = $user_url['openid'];//用户openid
+                $data['nickname'] = $user_url['nickname'];//用户名字
+                $data['headimgurl'] = $user_url['headimgurl'];//用户头像
+                $data['sex'] = $user_url['sex'];//用户性别
+                $data['addtime'] = date('Y-m-d H:i:s');
+                Db::name('v_user')->add($data);
+            }//数据库没有用户信息添加到数据库mn_user用户表
+        }else{
+            $this->error('请使用手机进入',U('index'));
+        }
+    }
+
+
+}