PHP开发小程序之刮刮卡功能的代码实例
像微信大转盘、刮刮卡这样的抽奖，最重要最核心的就是如何设置中奖的概率。本文综合了网上多个微信大转盘、刮刮卡的代码
无论大转盘也好，或者是刮刮卡都是抽奖都可以利用同样的方法来计算中奖的概率和控制奖池的数量，本文为大家分享了PHP微信刮刮卡实例代码，PHP微信刮刮卡+接口，可直接调用，自带微信接口，供大家学习。
效果图：
prize.php<?php$rand = rand(1,100);if($rand<10){ $prize = '苹果1个';}else if($rand<30){ $prize = '苹果2个';}else if($rand<60){ $prize = '苹果3个';}else{ $prize = '谢谢参与';}?><!DOCTYPE html><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta name="viewport" content="width=device-width,height=device-height,inital-scale=1.0,maximum-scale=1.0,user-scalable=no;"> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black"> <meta name="format-detection" content="telephone=no"> <title>刮刮卡</title> <link href="index/activity-style.css" rel="stylesheet" type="text/css"> </head></head> <body data-role="page">sxxybbs_wx.php<?php/** * wechat php test *///define your tokendefine("TOKEN", "wwwsxxybbscom");$wechatObj = new wechatCallbackapiTest();//$wechatObj->valid();$wechatObj->responseMsg();class wechatCallbackapiTest{ public function valid() { $echoStr = $_GET["echostr"]; //valid signature , option if($this->checkSignature()){echo $echoStr;exit; } } public function responseMsg() { //get post data, May be due to the different environments $postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; //extract post data if (!empty($postStr)){$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA); $fromUsername = $postObj->FromUserName;$toUsername = $postObj->ToUserName; $time = time();if($postObj->Content == '1'){ $textTpl = "<xml> <ToUserName><![CDATA[%s]]></ToUserName> <FromUserName><![CDATA[%s]]></FromUserName> <CreateTime>%s</CreateTime> <MsgType><![CDATA[%s]]></MsgType> <Content><![CDATA[%s]]></Content> <FuncFlag>0</FuncFlag> </xml>";$msgType = 'text'; $contentStr = "你输入了：1"; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);echo $resultStr;}else if($postObj->Content == '抽奖'){ $newsTpl ="<xml><ToUserName><![CDATA[%s]]></ToUserName><FromUserName><![CDATA[%s]]></FromUserName><CreateTime>%s</CreateTime><MsgType><![CDATA[news]]></MsgType><ArticleCount>1</ArticleCount><Articles><item><Title><![CDATA[刮刮乐翻天]]></Title><Description><![CDATA[我就要去刮刮乐，抽奖去！]]></Description><PicUrl><![CDATA[http://special.sxcq.cn/cj/weixin/ggk/ggk.jpg]]></PicUrl><Url><![CDATA[%s]]></Url></item></Articles><FuncFlag>0</FuncFlag></xml>";$url="http://2311156115.44c.pw/prize.php";$resultStr = sprintf($newsTpl, $fromUsername, $toUsername, $time,$url);echo $resultStr;}else{$keyword = trim($postObj->Content);$textTpl = "<xml> <ToUserName><![CDATA[%s]]></ToUserName> <FromUserName><![CDATA[%s]]></FromUserName> <CreateTime>%s</CreateTime> <MsgType><![CDATA[%s]]></MsgType> <Content><![CDATA[%s]]></Content> <FuncFlag>0</FuncFlag> </xml>";if(!empty( $keyword )){$msgType = "text";$contentStr = "请输入：'1‘或者‘抽奖'";$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);echo $resultStr;}else{$msgType = "text";$contentStr = "谢谢你关注sxxybbs博客，后续有精彩的内容会第一时间发送给您！回复：'1‘或者‘抽奖'得到对应的服务";$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);echo $resultStr;} } }else {echo "";exit; } }private function checkSignature() { $signature = $_GET["signature"]; $timestamp = $_GET["timestamp"]; $nonce = $_GET["nonce"];$token = TOKEN; $tmpArr = array($token, $timestamp, $nonce); sort($tmpArr); $tmpStr = implode( $tmpArr ); $tmpStr = sha1( $tmpStr );if( $tmpStr == $signature ){ return true; }else{ return false; } }}?>【相关推荐】
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