分享微信公众号实现会员卡领取的功能

 //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;  }

//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;  }

  //引入微信js文件   <script></script><script>//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: &#39;<?PHP echo $signPackage["appId"];?>&#39;, timestamp: &#39;<?php echo $signPackage["timestamp"];?>&#39;, nonceStr: &#39;<?php echo $signPackage["nonceStr"];?>&#39;, signature: &#39;<?php echo $signPackage["signature"];?>&#39;, jsApiList: [  // 所有要调用的 API 都要加到这个列表中  &#39;addCard&#39;  ]   });wx.ready(function(){        //添加卡券    document.querySelector(&#39;#addCard&#39;).onclick = function () {     wx.addCard({      cardList: [      {       cardId: "",//微信公众号内创建的会员卡的id       cardExt: &#39;{"timestamp":"<?php echo $huiyuanPackage[&#39;timestamp&#39;] ?>","signature":"<?php echo $huiyuanPackage[&#39;signature&#39;] ?>"}&#39;//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: &#39;__CONTROLLER__/editHuiYuan&#39;,      type: &#39;post&#39;,      dataType: &#39;json&#39;,      data: {is_LingQu: &#39;1&#39;,user_id:"<?php echo $user[&#39;user_id&#39;] ?>"},      success:function(){      $("#addCard").html("我的会员卡");      }      })      }     });    };   });</script>

 public function index(){ $user_id = session('user_id');  if($user_id){  $jssdk = new HomeModelWechatModel();  $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 HomeModelWechatModel();  $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 HomeModelWechatModel();   $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 HomeModelWechatModel();   $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(); }