php微信公众号开发之校园图书馆

作者：袖梨 2022-06-24

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 = "
     
     
     %s
      
      3
      
      
        <![CDATA[%s]]> 
        
        
       
      
     
    <![CDATA[%s]]>
    
    
    
    
     
       <![CDATA[%s]]>
       
       
       
     
    
   1
  ";    

 $url="http://222.206.65.12/opac/search_rss.php?dept=ALL&title={$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： 

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 = "
       
       
       %s
        
        3
        
         
          <![CDATA[%s]]> 
          
          
          
         
         
          <![CDATA[%s]]>
          
          
          
         
         
          <![CDATA[%s]]>
          
          
          
         
        
        1
       ";    

     $url="http://222.206.65.12/opac/search_rss.php?dept=ALL&title={$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;
  }
 }
}

?>

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