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。