微信接口开发【php代码】

首先准备一个api.php文件这个文件可以再微信开发平台网站手册里面下载到

需要配置的是token

微信测试地址

https://mp.weixin.qq.com/debug/

<?php
/**
  * wechat php test
  */

//define your token
define("TOKEN", "这里写你的token");
$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)){
                /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
                   the best way is to check the validity of xml by yourself */
                libxml_disable_entity_loader(true);
              	$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', 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()
	{
        // you must define TOKEN by yourself
        if (!defined("TOKEN")) {
            throw new Exception('TOKEN is not defined!');
        }
        
        $signature = $_GET["signature"];
        $timestamp = $_GET["timestamp"];
        $nonce = $_GET["nonce"];
        		
		$token = TOKEN;
		$tmpArr = array($token, $timestamp, $nonce);
        // use SORT_STRING rule
		sort($tmpArr, SORT_STRING);
		$tmpStr = implode( $tmpArr );
		$tmpStr = sha1( $tmpStr );
		
		if( $tmpStr == $signature ){
			return true;
		}else{
			return false;
		}
	}
}

?>

然后配置你的服务器

输入你设置的token 配置完成就可以进行开发了

首先需要的几个参数

首先你会拥有一个appID和appsecret

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然后你需要设置你的接口配置

这里的url填写你的最开始的那个文件路径

token可以随便写

token填到第一个文件里面去

然后保存提交

提交之后便可以开始开发了这里附上最基本的获取用户头像和用户名的代码

新建一个文件weixin.php

以下有三个参数需要填写

appid填写你的appid

appsecret填写你的appsecret

redirect_uri填写你的回调域名

<meta charset="utf-8">
<?php
$appid='填写你的appid';
$appsecret='填写你的appsecret';
$redirect_uri='填写你的域名地址/weixin.php';
$code=isset($_GET['code'])?$_GET['code']:'';

$url='https://api.weixin.qq.com/sns/oauth2/access_token?appid='.$appid.'&secret='.$appsecret.'&code='.$code.'&grant_type=authorization_code';

//获取html代码
function getSslPage($url) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_REFERER, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$result = curl_exec($ch);
curl_close($ch);
return $result;
}


$user=getSslPage($url);
// $user=file_get_contents($url);
// echo $user;exit;
$access_token=explode('access_token":"',$user)[1];
$access_token=explode('"',$user)[0];//access_token
$openid=explode('"openid":"',$user)[1];
$openid=explode('"',$openid)[0];//openid
$refresh_token=explode('refresh_token":"',$user)[1];
$refresh_token=explode('"',$refresh_token)[0];//refresh_token

$aa=json($user);
echo $aa->access_token;


// $user_info_url='https://api.weixin.qq.com/sns/oauth2/access_token?appid='.$appid.'&secret='.$appsecret.'&code='.$code.'&grant_type=authorization_code';
$use_url='https://api.weixin.qq.com/sns/oauth2/refresh_token?appid='.$appid.'&grant_type=refresh_token&refresh_token='.$refresh_token;
$user_cont=getSslPage($use_url);
// echo $user_cont;exit;
$access_token=explode('access_token":"',$user_cont)[1];
$access_token=explode('"',$access_token)[0];//access_token
$openid=explode('"openid":"',$user_cont)[1];
$openid=explode('"',$openid)[0];//openid
$refresh_token=explode('refresh_token":"',$user_cont)[1];
$refresh_token=explode('"',$refresh_token)[0];//refresh_token

$user_info='https://api.weixin.qq.com/sns/userinfo?access_token='.$access_token.'&openid='.$openid.'&lang=zh_CN;';
$text=getSslPage($user_info);
$arr=json_decode($text,true);
echo '网名：'.$arr['nickname'].'</br>';
echo '头像：<img src='.$arr['headimgurl'].'></br>';

然后微信访问这个weixin.php文件就能看到你的头像和网名了

微信接口开发【php代码】

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