分享微信公众号实现会员卡领取的功能

1、会员卡的领取也需要js-sdk接口（可以参考获取微信公众号获取用户的地理位置信息）（借鉴网址：http://gaoboy.com/article/25.html）

2、 比获取用户地理位置信息多了一个是需要单独获取签名包，签名方式也和获取用户地理位置的不同（这里再说一下获取签名包的方式）

获取js-sdk签名包：

1、当前的url、时间戳、随机字符串、jsapiticket进行组合

   //调用js-sdk的签名包   public function getSignPackage() {   $jsapiTicket = $this->getJsApiTicket();   // 注意 URL 一定要动态获取，不能 hardcode.（获取当前网页的url）   $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";   $url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";   //时间戳   $timestamp = time();   //随机字符串获取   $nonceStr = $this->createNonceStr();   // 这里参数的顺序要按照 key 值 ASCII 码升序排序   $string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr&timestamp=$timestamp&url=$url";   //生成字符串是用来签名用的   $signature = sha1($string);   $signPackage = array(    "appId"  => $this->appid,    "nonceStr" => $nonceStr,    "timestamp" => $timestamp,    "url"  => $url,    "signature" => $signature,    "rawString" => $string   );   return $signPackage;    }

获取会员卡签名包：

//使用会员卡领取的签名包   public function getHuiYuanSignPackage() {   $apiTicket = $this->getApiTicket();   // 注意 URL 一定要动态获取，不能 hardcode.（获取当前网页的url）   $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";   $url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";   //时间戳   $timestamp = time();   //随机字符串获取   // $nonceStr = $this->createNonceStr();   // 这里参数的顺序要按照 key 值 ASCII 码升序排序   $string = $timestamp.$apiTicket."pVYA_t3RCVF_yhNcO6QCeAmb-1UI";   //生成字符串是用来签名用的   $signature = sha1($string);   $signPackage = array(    "timestamp" => $timestamp,    "signature" => $signature,   );   return $signPackage;    }

详细代码说明：

HTML页面：

    //引入微信js文件     <script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>  <script type="text/JavaScript">  //配置信息验证接口（填写的js-sdk获取的签名包的参数）  wx.config({   debug: false,   appId: '<?PHP echo $signPackage["appId"];?>',   timestamp: '<?php echo $signPackage["timestamp"];?>',   nonceStr: '<?php echo $signPackage["nonceStr"];?>',   signature: '<?php echo $signPackage["signature"];?>',   jsApiList: [    // 所有要调用的 API 都要加到这个列表中    'addCard'    ]     });  wx.ready(function(){          //添加卡券      document.querySelector('#addCard').onclick = function () {       wx.addCard({        cardList: [        {         cardId: "",//微信公众号内创建的会员卡的id         cardExt: '{"timestamp":"<?php echo $huiyuanPackage['timestamp'] ?>","signature":"<?php echo $huiyuanPackage['signature'] ?>"}'//会员卡的签名包        }        ],       //成功之后的回调的函数(通过回调函数该表数据库是否领取会员卡的状态)        success: function (res) {        $.ajax({        url: '__CONTROLLER__/editHuiYuan',        type: 'post',        dataType: 'json',        data: {is_LingQu: '1',user_id:"<?php echo $user['user_id'] ?>"},        success:function(){        $("#addCard").html("我的会员卡");        }        })        }       });      };     });  </script>

控制器中的代码：

类库：http://www.jb51.net/article/115732.htm

   public function index(){   $user_id = session('user_id');    if($user_id){    $jssdk = new \Home\Model\WechatModel();    $signPackage = $jssdk->GetSignPackage();//获取js-sdk签名包    $huiyuanPackage = $jssdk->getHuiYuanSignPackage();获取会员卡签名包    //获取用户信息     $user = M('user')->where(array('user_id' => $user_id))->find();    //产品收藏数量统计    $goods_count = M('goods_shoucang')->where(array('user_id' => $user_id))->count();    //门店收藏数量统计    $shop_count = M('shop_shoucang')->where(array('user_id' => $user_id))->count();    }else{    //判断该用户是否存在    $model = new \Home\Model\WechatModel();    $openid_accesstoken = $model->openId();    $rst = M('user')->where(array('user_openid' => $openid_accesstoken['openid']))->find();    if($rst){     session('openid',$openid_accesstoken['openid']);     session('user_id', $rst['user_id']);     $jssdk = new \Home\Model\WechatModel();     $signPackage = $jssdk->GetSignPackage();     $huiyuanPackage = $jssdk->getHuiYuanSignPackage();     //获取用户信息      $user = M('user')->where(array('user_id' => $rst['user_id']))->find();     //产品收藏数量统计     $goods_count = M('goods_shoucang')->where(array('user_id' => $rst['user_id']))->count();     //门店收藏数量统计     $shop_count = M('shop_shoucang')->where(array('user_id' => $rst['user_id']))->count();    }else{     $userInfo = $model->getOpenId($openid_accesstoken['openid'],$openid_accesstoken['access_token']);       $data = array(        'user_img' => $userInfo['headimgurl'],        'user_openid' => $userInfo['openid'],        'user_name' => filter($userInfo['nickname']),        'user_register_time' => time(),        'city' => $userInfo['province'].'-'.$userInfo['city'],       );     $id = M('user')->add($data);     session('openid', $userInfo['openid']);     session('user_id',$id);     $jssdk = new \Home\Model\WechatModel();     $signPackage = $jssdk->GetSignPackage();     $huiyuanPackage = $jssdk->getHuiYuanSignPackage();     //获取用户信息      $user = M('user')->where(array('user_id' => $id))->find();     //产品收藏数量统计     $goods_count = M('goods_shoucang')->where(array('user_id' => $id))->count();     //门店收藏数量统计     $shop_count = M('shop_shoucang')->where(array('user_id' => $id))->count();     }    }    $this->assign('signPackage', $signPackage);    $this->assign('huiyuanPackage', $huiyuanPackage);    $this->assign('user', $user);    $this->assign('shop_count', $shop_count);    $this->assign('goods_count', $goods_count);    $this->display();   }

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