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Homephp教程php手册php 微信公众平台开发之验证步骤

微信公众平台开发我们现在做得比较多了,下面给各位介绍的是一个入门级别的微信公众平台验证基础知识了,有兴趣的和小编来看看。

开发微信的时候 需要验证一下 。在官方开发者中心哪里有可以下源代码。登录到 公众帐号后 看到左边的最下角有一个开发者中心点击。然后填写上你相对应的 Token 和 url 然后就可以验证成功的话就可以开发了。

下载微信php验证源代码在 开发者中心 - 开发者文档 - 接口消息 - 验证消息真实 - 拉到最下面就php演示代码  

下载好后代码如下  

<?php
/**
  * wechat php test
  * update time: 20141008
  */
//define your token
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
$wechatObj->valid();
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, &#39;SimpleXMLElement&#39;, LIBXML_NOCDATA);
            $fromUsername = $postObj->FromUserName;
            $toUsername = $postObj->ToUserName;
            $keyword = trim($postObj->Content);
            $time = time();
            $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 = "Welcome to wechat world!";
                $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                echo $resultStr;
            }else{
                echo "Input something...";
            }
        }else {
            echo "";
            exit;
        }
    }
    private function checkSignature()
    {
        $signature = $_GET["signature"];
        $timestamp = $_GET["timestamp"];
        $nonce = $_GET["nonce"];
        $token = TOKEN;
        $tmpArr = array($token, $timestamp, $nonce);
        sort($tmpArr, SORT_STRING);
        $tmpStr = implode( $tmpArr );
        $tmpStr = sha1( $tmpStr );
        if( $tmpStr == $signature ){
            return true;
        }else{
            return false;
        }
    }
}
?>

TOKEN 修改为你自己想要的 然后在 开发者中心也要写一样的。 在验证的过程中 $wechatObj->valid(); 这段代码不能去除 这个是验证 。 验证成功后 我们就可以把 这段 $wechatObj->valid(); 这个注释掉了 然后使用 $wechatObj->responseMsg(); 来进行测试

注意:在开发的时候需要把 $wechatObj->valid();  给注释掉 不然在手机测试的时候 会没有显示什么


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