php微信公众号开发之校园图书馆

本文实例为大家分享了php微信公众号图书馆的具体代码，供大家参考，具体内容如下

图书来源：山东理工大学图书馆书目检索系统

搜索书名返回是xml格式数据：

核心代码如下：

$postObj = simplexml_load_string($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[news]]></MsgType>      <ArticleCount>3</ArticleCount>      <Articles>      <item>        <Title><![CDATA[%s]]></Title>         <Description><![CDATA[s]]></Description>        <PicUrl><![CDATA[url]]></PicUrl>       <Url><![CDATA[url]]></Url>      </item>     <item>    <Title><![CDATA[%s]]></Title>    <Description><![CDATA[s]]></Description>    <PicUrl><![CDATA[url]]></PicUrl>    <Url><![CDATA[url]]></Url>    </item>     <item>       <Title><![CDATA[%s]]></Title>       <Description><![CDATA[s]]></Description>       <PicUrl><![CDATA[url]]></PicUrl>       <Url><![CDATA[url]]></Url>     </item>    </Articles>   <FuncFlag>1</FuncFlag>  </xml>";     $url="http://222.206.65.12/opac/search_rss.php?dept=ALL&title={$keyword}&doctype=ALL&lang_code=ALL&match_flag=forward&displaypg=20&showmode=list&orderby=DESC&sort=CATA_DATE&onlylendable=no"; $fa=file_get_contents($url); $f=simplexml_load_string($fa); $da1=$f->channel->item[0]->title; $da2=$f->channel->item[1]->title; $da3=$f->channel->item[2]->title;   $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time,$da1,$da2,$da3);echo $resultStr;

index.php整体代码如下：

<?php/** * wechat php test *///define your tokendefine("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();    $textTpl = "<xml>       <ToUserName><![CDATA[%s]]></ToUserName>       <FromUserName><![CDATA[%s]]></FromUserName>       <CreateTime>%s</CreateTime>        <MsgType><![CDATA[news]]></MsgType>        <ArticleCount>3</ArticleCount>        <Articles>         <item>          <Title><![CDATA[%s]]></Title>           <Description><![CDATA[s]]></Description>          <PicUrl><![CDATA[url]]></PicUrl>          <Url><![CDATA[url]]></Url>         </item>         <item>          <Title><![CDATA[%s]]></Title>          <Description><![CDATA[s]]></Description>          <PicUrl><![CDATA[url]]></PicUrl>          <Url><![CDATA[url]]></Url>         </item>         <item>          <Title><![CDATA[%s]]></Title>          <Description><![CDATA[s]]></Description>          <PicUrl><![CDATA[url]]></PicUrl>          <Url><![CDATA[url]]></Url>         </item>        </Articles>        <FuncFlag>1</FuncFlag>       </xml>";         $url="http://222.206.65.12/opac/search_rss.php?dept=ALL&title={$keyword}&doctype=ALL&lang_code=ALL&match_flag=forward&displaypg=20&showmode=list&orderby=DESC&sort=CATA_DATE&onlylendable=no";     $fa=file_get_contents($url);     $f=simplexml_load_string($fa);     $da1=$f->channel->item[0]->title;     $da2=$f->channel->item[1]->title;     $da3=$f->channel->item[2]->title;       $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time,$da1,$da2,$da3);     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;  } }}?>