<?php

namespace Home\Controller;

use Think\Controller;

class IndexController extends Controller{

public function __construct(){

}

? ? public function index(){

? ? ? ? //1.將timestamp,nonce,token 按字典序排序

$timestamp = $_GET['timestamp'];

$nonce ? ? = $_GET['nonce'];

$token ? ? = 'weixin';

$signature ?= $_GET['signature'];

$echostr = $_GET['echostr'];

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

sort( $array );

//2.將排序后的三個(gè)參數(shù)拼接之后sha1加密

$tmpstr ?= sha1( implode($array) );

//1.將加密后的字符串與signature對比，判斷該請求是否來自微信

if( $tmpstr == $signature && $echostr){

//第一次接入微信API的時(shí)候進(jìn)行驗(yàn)證

echo $echostr;

exit;

}else{

$this->responseMsg();

}

? ? }

//接受事件推送并回復(fù)

public function responseMsg(){

//1.獲取到微信推送過來的poat數(shù)據(jù)（xml格式）

$postArr ?= $GLOBALS['HTTP_RAW_POST_DATA'];

//2.處理消息類型，并設(shè)置回復(fù)類型和內(nèi)容

$postObj ?= simplexml_load_string($postArr);

//判斷推動(dòng)的數(shù)據(jù)包是不是訂閱事件

if(strtolower($postObj->MsgType) == 'event'){

//如果是關(guān)注事件 subscribe 事件

if(strtolower($postObj->Event) == 'subscribe'){

//回復(fù)用戶消息

$toUser = $postObj->FromUserName;

$fromUser = $postObj->ToUserName;

$time = time();

$msgType ? ?= 'text';

$content ? ?= '歡迎關(guān)注我們';

$tamplate = "<xml>

<ToUserName><![CDATA[%s]]></ToUserName>

<FromUserName><![CDATA[%s]]></FromUserName>

<CreateTime>%s</CreateTime>

<MsgType><![CDATA[%s]]></MsgType>

<Content><![CDATA[%s]]></Content>

</xml>";

$info = sprintf($tamplate,$fromUser,$toUser,$time,$msgType,$content);

echo $info;

}

}

if(strtolower($postObj->MsgType) == 'text'){

if($postObj->Content == 'you'){

$tamplate = "<xml>

<ToUserName><![CDATA[%s]]></ToUserName>

<FromUserName><![CDATA[%s]]></FromUserName>

<CreateTime>%s</CreateTime>

<MsgType><![CDATA[%s]]></MsgType>

<Content><![CDATA[%s]]></Content>

</xml>";

$fromUser = $postObj->ToUserName;

$toUser = $postObj->FromUserName;

$time = time();

$content ? ?= '這個(gè)網(wǎng)站很不錯(cuò)';

$msgType ? ?= 'text';

echo ?sprintf($tamplate,$toUser,$fromUser,$time,$msgType,$content);

}

}

}

}