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 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();
    $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;
  }
 }
}

?>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。