详解php微信小程序消息推送配置

第一步

官网下载对应版本的cryptoDemo

下载地址：https://wximg.gtimg.com/shake_tv/mpwiki/cryptoDemo.zip

第二步

创建检查文件wxcheck.php

这个文件名可以随便命名，要保证url中检查的文件名与之相同即可。

				?

									<?php

									    printLog(json_encode($_GET));

									      $signature = $_GET["signature"];

									        $timestamp = $_GET["timestamp"];

									        $nonce = $_GET["nonce"];

									        $echostr = $_GET["echostr"];

									        $token = "medisum";

									        $tmpArr = array($token, $timestamp, $nonce);

									        sort($tmpArr, SORT_STRING);

									        $tmpStr = implode( $tmpArr );

									        $tmpStr = sha1( $tmpStr );

									        printLog("tmpStr:".$tmpStr);

									        printLog("signature:".$signature);

									        if( $tmpStr == $signature ){

									            echo  $echostr;

									        }else{

									            echo  false;

									        }

									        /**

									         * 打印数据

									         * @param  string $txt  日志记录

									         * @param  string $file 日志目录

									         * @return 

									         */

									        function printLog($txt="",$file="ceshi.log"){

									          $myfile = fopen($file, "a+");

									          $StringTxt = "[".date("Y-m-d H:i:s")."]".$txt."\n";

									          fwrite($myfile, $StringTxt);

									          fclose($myfile);

									        }

									?>