First of all, go to the WeChat public platform to register an account (there are quite a lot of things to fill in for registration). After registering, log in. You can see the "Developer Center" on the left. It seems that you need to complete some information before opening the Developer Center. Just follow the steps to complete it. After entering the developer center, go to edit first
Modify the configuration. When modifying the configuration, please note:
The URL is a PHP script under your own domain name (read below for a demo of the script). This script is used to interface with the WeChat interface. For example http://www.example.com/weixin.php
Token is a constant defined in the above script. For example, it is defined in your PHP script:
define("TOKEN", "my_weixin");
Then, when filling in the Token, you fill in abcdefgh
EncodingAESKey is used for message encryption. You can write a 43-digit combination of numbers and letters yourself, or you can choose "randomly generated". Generally, randomly generated is enough.
After filling it out, save it (if it prompts that the token verification failed when saving, please confirm that the token is consistent and click several more times to save it).
After saving, click "Open" next to the modified configuration.
Then, you can edit your PHP script. (If you don’t have your own domain name, you can use Sina Cloud’s free SAE, and it’s best to complete real-name authentication)
The script of the demo is as follows: follow the public platform (for example, after the subscription account), the function is: enter hehe to return hello world!!! If you enter other characters, return to enter heeh and try.
header('content-type:text/html;charset=utf-8'); define("TOKEN", "my_weixin"); //define your token $wx = new wechatCallbackapiTest(); if($_GET['echostr']){ $wx->valid(); //如果发来了echostr则进行验证 }else{ $wx->responseMsg(); //如果没有echostr,则返回消息 } class wechatCallbackapiTest{ public function valid(){ //valid signature , option $echoStr = $_GET["echostr"]; if($this->checkSignature()){ //调用验证字段 echo $echoStr; exit; } } public function responseMsg(){ //get post data, May be due to the different environments $postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; //接收微信发来的XML数据 //extract post data if(!empty($postStr)){ //解析post来的XML为一个对象$postObj $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA); $fromUsername = $postObj->FromUserName; //请求消息的用户 $toUsername = $postObj->ToUserName; //"我"的公众号id $keyword = trim($postObj->Content); //消息内容 $time = time(); //时间戳 $msgtype = 'text'; //消息类型:文本 $textTpl = "<xml> <ToUserName><![CDATA[%s]]></ToUserName> <FromUserName><![CDATA[%s]]></FromUserName> <CreateTime>%s</CreateTime> <MsgType><![CDATA[%s]]></MsgType> <Content><![CDATA[%s]]></Content> </xml>"; if($keyword == 'hehe'){ $contentStr = 'hello world!!!'; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgtype, $contentStr); echo $resultStr; exit(); }else{ $contentStr = '输入hehe试试'; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgtype, $contentStr); echo $resultStr; exit(); } }else { echo ""; exit; } } //验证字段 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; } } }
If you send a message, the system prompts: This public platform is temporarily unavailable, please try again later. Then there is probably a problem with the code syntax. Check for syntax errors and try again.
Attachment:
When a new user follows your official account, automatically return information: (Add this code before judging $keyword).
if($postObj->MsgType == 'event'){ //如果XML信息里消息类型为event if($postObj->Event == 'subscribe'){ //如果是订阅事件 $contentStr = "欢迎订阅misaka去年夏天!\n更多精彩内容:http://blog.csdn.net/misakaqunianxiatian"; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgtype, $contentStr); echo $resultStr; exit(); } }
The above is the entire content of this article. I hope it will be helpful to everyone’s study. I also hope that everyone will support Script House.

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。


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