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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