php微信公众号开发之图片回复

php微信公众号开发之图片回复的具体代码，供大家参考，具体内容如下

图片回复

随机函数：

rand(1,10)

核心代码：

$tyep= $postObj->MsgType;
$textTpl = "
<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[text]]></MsgType>
<Content><![CDATA[%s]]></Content>
<FuncFlag>0</FuncFlag>
</xml>"; 
if ($tyep=="image")
{
$a=rand(1,3);
switch ($a)
{
case "1";
$b="健康好人缘，婚姻幸福美满";
break;
case "2";
$b="贵人相助化险为夷的好运纹";
break;
default;
$b="才华横溢好研究，知识丰富事业有成"; 
}
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time,$b);
echo $resultStr;
}

index.php代码如下：

<?php
/**
* wechat php test
*/
//define your token
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
$wechatObj->responseMsg();
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, 'SimpleXMLElement', LIBXML_NOCDATA);
$fromUsername = $postObj->FromUserName;
$toUsername = $postObj->ToUserName;
$keyword = trim($postObj->Content);
$time = time();
$tyep= $postObj->MsgType;
$textTpl = "
<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[text]]></MsgType>
<Content><![CDATA[%s]]></Content>
<FuncFlag>0</FuncFlag>
</xml>"; 
if ($tyep=="image")
{$a=rand(1,3);
switch ($a)
{case "1";
$b="健康好人缘，婚姻幸福美满";
break;
case "2";
$b="贵人相助化险为夷的好运纹";
break;
default;
$b="才华横溢好研究，知识丰富事业有成"; 
}

$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time,$b);
echo $resultStr;
}

}else {
echo "";
exit;
}
}
private function checkSignature()
{
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];

$token = TOKEN;
$tmpArr = array($token, $timestamp, $nonce);
sort($tmpArr);
$tmpStr = implode( $tmpArr );
$tmpStr = sha1( $tmpStr );

if( $tmpStr == $signature ){
return true;
}else{
return false;
}
}
}
?>

以上就是本文的全部内容，希望对大家的学习有所帮助。