微信开发1.基于Thinkphp3.2网站实现微信接入以及查询tooken值

1.在con.fig文件里面配置TOKEN，APPID，APPSECRET值

<?php

/**

* 微信父类控制器

* @author Songle

*

*/

namespace Weixin\Controller;

use Think\Controller;

class WeixinController extends Controller {

private $last_time=null;

private $appid=null;

private $appsecret=null;

function __construct(){

parent::__construct();

$token=C('TOKEN');

$this->appid=C('APPID');

$this->appsecret=C('APPSECRET');

//获取微信服务器GET请求的4个参数

$signature = I('signature');

$timestamp = I('timestamp');

$nonce = I('nonce');

$echostr = I('echostr');

if (! empty ( $echostr) && ! empty ( $signature ) && ! empty ($nonce )) {

//定义一个数组，存储其中3个参数，分别是timestamp，nonce和token

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

//进行排序

sort($tempArr,SORT_STRING);

//将数组转换成字符串

$tmpStr = implode($tempArr);

//进行sha1加密算法

$tmpStr = sha1($tmpStr);

//判断请求是否来自微信服务器，对比$tmpStr和$signature

if($tmpStr == $signature)

{

echo $echostr;

}

exit();

}

}

/**

* 获取tooken值

*/

public function getTooken(){

$this->last_time = 1448012924;

$access_token = "填写上一次的token值"; //需要替换成自己的

if(time() > ($this->last_time + 7200))

{

//GET请求的地址

$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$this->appid}&secret={$this->appsecret}";

$access_token_Arr = $this->https_request($url);

$this->last_time = time();

return $access_token_Arr['access_token'];

}

return $access_token;

}

//https请求（支持GET和POST）

public function https_request($url,$data = null)

{

$ch = curl_init();

curl_setopt($ch,CURLOPT_URL,$url);

curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);

if(!empty($data))

{

curl_setopt($ch,CURLOPT_POST,1);//模拟POST

curl_setopt($ch,CURLOPT_POSTFIELDS,$data);//POST内容

}

$outopt = curl_exec($ch);

curl_close($ch);

$outopt = json_decode($outopt,true);

return $outopt;

}

}