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  • 用thinkphp进行微信开发的整体设计思考

    用thinkphp进行微信开发的整体设计思考
    http://www.2cto.com/weixin/201504/388423.html
    2015-04-09      0 个评论       作者：明之暗夜
    收藏    我要投稿

    因为项目中很多地方都涉及到微信接口的调用 比如很多前台模块需要用到 后台模块也有少许调用 其他模块也可能会需要调用  为了让他们都能很方便的直接调用 我把他们独立成为一个模块 这个模块包含了基础的微信接口和微信jssdk

    具体的设计请参考下面  当然如果有更好的建议可以共同交流 

    我先建立了一个新的模块叫Weixin 并在其下面建立了控制器BaseController 也就是一个微信类

    这个微信基类 我是这样定义的

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    <?php
    /**
     *微信开发的公共类（不含支付 如需要可自行加入）
     *
     */
    namespace WeixinController;
    use ThinkController;
    use ComWechatAuth;  
    use ComJssdk;      
    class  BaseController extends Controller {
        public $appId;
        public $appSecret;
        public $WechatAuth;
        public $jssdk;
        public function _initialize(){
            $config = F('DB_CONFIG_DATA');   //获取配置信息
            if(!$config){
                $config = api('Config/lists');
                F('DB_CONFIG_DATA',$config);
            }
            C($config); //添加配置
            $this->appId = C('WEIXIN_CONFIG.appId');   
            $this->appSecret = C('WEIXIN_CONFIG.appSecret');
            $this->WechatAuth =  new WechatAuth($this->appId,$this->appSecret);
            $this->jssdk = new Jssdk($appId,$appSecret);   //调用微信Jssdk
            // $this->signPackage = $this->jssdk->GetSignPackage();
        }
    ?>

    下面是我微信sdk包的部署目录结构供参考

    这些部署好后 在任意模块中引入的方法是 

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    $Weixin = new WeixinControllerBaseController();

    下面我用实例来讲述如何使用

    1，获取用户信息（不管微信用户是否关注了公众号  下面代码大部分为注释内容 其实很少）

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    public function mytest () {       
             
            $Weixin = new WeixinControllerBaseController();
     
            $domain = C('WEB_DOMAIN');
                $request_url = $_SERVER['REQUEST_URI'];
                $redirect_url = $domain.$request_url;
              if(!isset($_GET['code'])){           
                   header('Location:  https://open.weixin.qq.com/connect/oauth2/authorize?appid='.$Weixin->appId.'&redirect_uri='.$redirect_url.'&response_type=code&scope=snsapi_base&state=1/');
                   exit;          
               }
                $code = $_GET['code'];      
            $access_token_arr = $Weixin->WechatAuth ->getAccessToken('code',$code);   //oauth2.0网页授权的access_token
            //$access_token_arr数据结构如下
            /* Array
            (
                [access_token] => OezXcEiiBSKSxW0eoylIeLrIQT6NoDaXZIUcW_1wOj_TwSQ_Jqp2CBj0RLBbgvBCkzyZ74E6066btMwNPj6JYaR_TPn9PH02FgR4APr7iOhihlYgosPEyDZIVJXduuvUj3ay5cVYpv_TDA3TBNvLiA
                [expires_in] => 7200
                [refresh_token] => OezXcEiiBSKSxW0eoylIeLrIQT6NoDaXZIUcW_1wOj_TwSQ_Jqp2CBj0RLBbgvBCzJ6lw18Bb-cy9yUp2Tojmp48u_95jVHl1WTODEM0Z3yAPY8sORIlF0Gw8_99eEXsCagdc29djCjEWv2TovkPig
                [openid] => o0r2njtFSolnsaBoVP5MxjhNjUlg
                [scope] => snsapi_base
            )*/
            $globals_access_token = $Weixin->WechatAuth->getAccessToken();    //全局access_token
     
            $userInfo = $Weixin->WechatAuth->userInfo($access_token_arr['openid']); //通过全局access_token获取用户基本信息 未关注是array('subscribe'=>0,'openid')
     
            if(!$userInfo['subscribe']){ //用户未关注  只能通过网页授权api获取用户信息
                $data = array();
                $data['access_token'] = $access_token_arr['access_token'];
                            $data['openid'] = $access_token_arr['openid'];
                            $userinfo = $Weixin->WechatAuth->getUserInfo($data);
                            p($userinfo);//打印信息
                            /*
                    Array(
                        [openid] => o0r2njtFSolnsaBoVP5MxjhNjUlg
                        [nickname] => 呼啦啦
                        [sex] => 1
                        [language] => zh_CN
                        [city] =>
                        [province] =>
                        [country] => 赞比亚
                        [headimgurl] => http://wx.qlogo.cn/mmopen/rBgkzASpGRQLPXPDlEGmPoHl35qjwaA8s4WfOncETZm7kDGEVicEJZORzO73m7ib9Av7AK7icLrfl1nmhxGsglmzJRcnryNPy6T/0
                        [privilege] => Array
                            (
                            )
     
                    )
                */
     
     
            }else{  //关注了公众号 直接返回用户信息
     
                p($userInfo);  //打印信息
                /*
                    Array(
                        [subscribe] => 1
                        [openid] => o0r2njtFSolnsaBoVP5MxjhNjUlg
                        [nickname] => 呼啦啦
                        [sex] => 1
                        [language] => zh_CN
                        [city] =>
                        [province] =>
                        [country] => 赞比亚
                        [headimgurl] => http://wx.qlogo.cn/mmopen/rBgkzASpGRQLPXPDlEGmPoHl35qjwaA8s4WfOncETZm7kDGEVicEJZORzO73m7ib9Av7AK7icLrfl1nmhxGsglmzJRcnryNPy6T/0
                        [subscribe_time] => 1427793013
                        [remark] =>
                    )
                */
     
            }
             
     
        }

    由于微信开发自身机制的原因，在这里要说明的是，thinkphp官方给的wechatAuth包 中并没有对access_token进行缓存，还需要进行适当修改 下面仅以wechatAuth.class.php文件修改为例说明 （网页授权的token， jssdk中的ticket 也要做类似如下的缓存，在此就不一一说明了）

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    /**
        * 构造方法，调用微信高级接口时实例化SDK
        * @param string $appid  微信appid
        * @param string $secret 微信appsecret
        * @param string $token  获取到的access_token
        */
       public function __construct($appid, $secret, $token = null){
           if($appid && $secret){
               $this->appId     = $appid;
               $this->appSecret = $secret;
               if(!empty($token)){
                   $this->accessToken = $token;
               }else{
                   $this->getAccessToken();
               }
           } else {
               throw new Exception('参数错误！');
           }
       }
     
     
        /**
        * 获取access_token，用于后续接口访问
        * @return array access_token信息，包含 token 和有效期
        */
       public function getAccessToken($type = 'client', $code = null){
           
                $param = array(
                        'appid'  => $this->appId,
                        'secret' => $this->appSecret
                   );
     
               switch ($type) {
                   case 'client':
                       if(S('globals_access_token')){
                           $this->accessToken = S('globals_access_token');
                           return S('globals_access_token');
                           break;
                       }
                       $param['grant_type'] = 'client_credential';
                       $url = "{$this->apiURL}/token";
                       break;
     
                   case 'code':
                       $param['code'] = $code;
                       $param['grant_type'] = 'authorization_code';
                       $url = "{$this->oauthApiURL}/oauth2/access_token";
                       break;
                    
                   default:
                       throw new Exception('不支持的grant_type类型');
                       break;
               }
     
               $token = self::http($url, $param);
               $token = json_decode($token, true);
     
               if(is_array($token)){
                   if(isset($token['errcode'])){
                       throw new Exception($token['errmsg']);
                   } else {
                       if($type == 'client'){
                           S('globals_access_token',$token['access_token'],7000);
                       }
     
                       $this->accessToken = $token['access_token'];
                       
                       return $token;
                   }
               } else {
                   throw new Exception('获取微信access_token失败！');
               }
     
     
     
           
       }

     
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  • 原文地址：https://www.cnblogs.com/u0mo5/p/4838859.html
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