php微信公众号开发之校园图书馆

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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";

 $fa=file_get_contents($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：

<"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";

     $fa=file_get_contents($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。

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