微信公众平台上传图片，自动回复图片

痛定思痛。 2022-08-14 05:42 235阅读 0赞

上传文件（获得：media\_id）：

<?php

// 微信参数  
$appId = 'appid';  
$appSecret = 'appsecret';  
  
  
$url = "https://api.weixin.qq.com/cgi-bin/token?grant\_type=client\_credential&appid=" . $appId . "&secret=" . $appSecret;  
  
$ch = curl\_init ();  
curl\_setopt ( $ch, CURLOPT\_URL, $url );  
curl\_setopt ( $ch, CURLOPT\_SSL\_VERIFYPEER, FALSE );  
curl\_setopt ( $ch, CURLOPT\_SSL\_VERIFYHOST, FALSE );  
curl\_setopt ( $ch, CURLOPT\_RETURNTRANSFER, 1 );  
$output = curl\_exec ( $ch );  
curl\_close ( $ch );  
$jsoninfo = json\_decode ( $output, true );  
$access\_token = $jsoninfo \["access\_token"\];  
  
  
$url = "http://file.api.weixin.qq.com/cgi-bin/media/upload?access\_token=".$access\_token."&type=image";  
$data =array("media" => "@"."rhlq.jpg");  
  
  
$result = https\_request ( $url, $data );  
var\_dump ( $result );  
  
  
function https\_request($url, $data = null) \{  
$curl = curl\_init ();  
//curl\_setopt ( $curl, CURLOPT\_SAFE\_UPLOAD, false);   
curl\_setopt ( $curl, CURLOPT\_URL, $url );  
curl\_setopt ( $curl, CURLOPT\_SSL\_VERIFYPEER, FALSE );  
curl\_setopt ( $curl, CURLOPT\_SSL\_VERIFYHOST, FALSE );  
if (! empty ( $data )) \{  
curl\_setopt ( $curl, CURLOPT\_POST, 1 );  
curl\_setopt ( $curl, CURLOPT\_POSTFIELDS, $data );  
\}  
curl\_setopt ( $curl, CURLOPT\_RETURNTRANSFER, 1 );  
$output = curl\_exec ( $curl );  
curl\_close ( $curl );  
return $output;  
\}

测试demo：http://download.csdn.net/detail/u010533511/9295355

自动回复代码：

if($keyword == '如何领取')\{  
$xmlTpl = "<xml><ToUserName><!\[CDATA\[%s\]\]></ToUserName><FromUserName><!\[CDATA\[%s\]\]></FromUserName><CreateTime>".time()."</CreateTime><MsgType><!\[CDATA\[image\]\]></MsgType><Image><MediaId><!\[CDATA\[上面代码获得到的media\_id\]\]></MediaId></Image></xml>";  
$result = sprintf($xmlTpl, $fromUsername, $toUsername, $time);  
echo $result;  
\}