当然这里只是简单的实现下，在微信公众平台提供的sdk上做简单的修改，实际上msgtype类型很多，就算消息类型为event的，它里面也有subscribe、LOCATION等，而如果细化的话，就用Event为subscribe来处理初次关注的事件,
<?php
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
$wechatObj->weixin_run();
class wechatCallbackapiTest {
private $fromUsername;
private $toUsername;
private $times;
private $keyword;
private $MsgType;
public function responseMsg() {
$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
if (!emptyempty($postStr)) {
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
$this->fromUsername = $postObj->FromUserName;
$this->toUsername = $postObj->ToUserName;
$this->keyword = trim($postObj->Content);
$this->time = time();
$this->MsgType = $postObj->MsgType;
} else {
echo "Pay attention to <a href='http://{$_SERVER['HTTP_HOST']}'>http://{$_SERVER['HTTP_HOST']}</a>,thanks!";
exit;
}
}
public function weixin_run() {
$this->responseMsg();
if($this->MsgType != 'event') { //attention
$data = $this->getData();
$this->fun_xml("news", $data, count($data));
} else {
$data = $this->getWelData();
$this->fun_xml("text", $data, 1);
}
}
//type: text 文本类型, news 图文类型
//text,array(内容),array(ID)
//news,array(array(标题,介绍,图片,超链接),...小于10条),条数
private function fun_xml($type, $value_arr, $count) {
$con="<xml>
<ToUserName><![CDATA[{$this->fromUsername}]]></ToUserName>
<FromUserName><![CDATA[{$this->toUsername}]]></FromUserName>
<CreateTime>{$this->times}</CreateTime>
<MsgType><![CDATA[{$type}]]></MsgType>";
switch($type) {
case "text" :
$con.="<Content><![CDATA[$value_arr]]></Content>";
break;
case "news" :
$con.="<ArticleCount>{$count}</ArticleCount>
<Articles>";
foreach($value_arr as $key => $v) {
$con.="<item>
<Title><![CDATA[{$v[0]}]]></Title>
<Description><![CDATA[{$v[1]}]]></Description>
<PicUrl><![CDATA[{$v[2]}]]></PicUrl>
<Url><![CDATA[{$v[3]}]]></Url>
</item>";
}
$con.="</Articles>";
break;
}
echo $con."</xml>";
}
private function getData() {
//数据库通过关键字查询文章
//。。。。。。。。。。。。
//。。。。。。。。。。。。
//返回文章结果的数组
return $data;
}
private function getWelData() {
$data = "感谢您关注AndyYang个人博客微信小助手。rn".
"回复【1】返回两篇最新文章rn".
"回复【2】返回两篇人气文章rn".
"回复【3】返回两篇热评文章rn".
"回复【4】返回两篇最新技术文章rn".
"回复【5】返回两篇最新写作文章rn".
"回复其他返回搜索关键字的两篇文章rn".
"更多精彩内容，尽在：<a href='//www.jb51.net/'>www.jb51.net</a>。亲们，请多多支持哦，谢谢~";
;
return $data;
}
}
