Php+Xml留言本小程序

lenga · 发表于 2015-8-26 09:51:40

这个小例子主要是对写了对Php对Xml文件的操作，和节点的遍历。

　　config.php文件

<?php
/*************************************************
/*
/*Author:Lee
/*Date  :2009-5-15
/*
*************************************************/
$CONFIGS = array(
'title'=>"留言在线",
'version'=>"Copyright © 2009 β1.0"
);
?>　　
　　index.php文件

<?php
define("ROOT",$_SERVER['DOCUMENT_ROOT']);
/*************************************************
/*
/*Author:Lee
/*Date  :2009-5-15
/*
*************************************************/
require(ROOT."/m/config.php");
$post = $_POST;
$data = ROOT."/m/data/message.xml";
if (empty($post))
{
$info = GetRecordFromXml($data);
}
else
{
$content = GetValues($post);
WriteToXml($data,$content);
}

function GetRecordFromXml($fname)
{
$info = array();
$xml = new DOMDocument();
$xml->load($fname);
$i = 0;
foreach($xml->getElementsByTagName('record') as $list)
{
      $info[$i]['name'] = $list->childNodes->item(0)->childNodes->item(0)->data;
      $info[$i]['content'] = $list->childNodes->item(1)->childNodes->item(0)->data;
      $info[$i]['stime'] = $list->childNodes->item(2)->childNodes->item(0)->data;
      ++$i;
}
return $info;
}
function GetValues($values)
{
date_default_timezone_set('Asia/Shanghai');
$name = $values['name'];
$content = $values['content'];
$_name = "<name>";
$name_ = "</name>";
$_content = "<content>";
$content_ = "</content>";
$stiem = "<stime>".date("Y-m-d H:i:s")."</stime></record>";
return '<record>'.$_name.$name.$name_.$_content.$content.$content_.$stiem.'</message>';
}
function WriteToXml($fname,$content)
{
$fp = fopen($fname,'r+');
fseek($fp,(0-strlen('</message>')),SEEK_END);
fwrite($fp,$content);
fclose($fp);
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
  <TITLE><?php echo $CONFIGS['title'];?></TITLE>
  <META NAME="Author" CONTENT="Libch">
  <META NAME="Keywords" CONTENT="">
  <META NAME="Description" CONTENT="">
  <META http-equiv="Content-Type" content="text/html; charset=utf-8">
</HEAD>
<SCRIPT LANGUAGE="JavaScript">

</SCRIPT>
<style type="text/css">
      .style4{
         width: 800px;
         height: auto;
         margin: 0px auto;
         margin-bottom:20px;
         border:1px solid #CCEFF5;
         background-color: #FAFCFD
      }
</style>
<BODY>
  <FORM METHOD=POST ACTION="index.php" name="formMain">
<?php
if(empty($info))
{
?>
<div class="style4" style="text-align:center;">还没有留言内容！</div>
<?php
} else {
      $size = sizeof($info);
?>
<div class="style4">
      <?php
      for($i=0;$i<$size;++$i){
      ?>
      <TABLE>
      <TR>
         <TD>昵称：</TD>
         <TD><?php echo $info[$i]['name'];?></TD>
      </TR>
      <TR>
         <TD>内容：</TD>
         <TD><?php echo $info[$i]['content'];?></TD>
      </TR>
      <TR>
         <TD>时间：</TD>
         <TD><?php echo $info[$i]['stime'];?></TD>
      </TR>
      </TABLE>
      <?php
      }
      ?>
</div>
<?php
}
?>
<div class="style4">
<TABLE>
      <TR>
         <TD>昵称：</TD>
         <TD><INPUT TYPE="text" NAME="name" id="name" maxlength="10" size="20"><font color="red">*最多10个字符</font></TD>
      </TR>
      <TR>
         <TD>内容：</TD>
         <TD><TEXTAREA NAME="content" id="content" ROWS="3" COLS="50" maxlength="150"></TEXTAREA></TD>
      </TR>
      <TR>
         <TD> </TD>
         <TD><INPUT TYPE="button" value="提交" onclick="return checkForm();"> <INPUT TYPE="reset"></TD>
      </TR>
</TABLE>
</div>
<div class="style4" style="text-align:center;"><?php echo $CONFIGS['version'];?></div>
  </FORM>
</BODY>
</HTML>
　　位于data目录下的Xml文件结构
　　<?xml version="1.0" encoding="utf-8"?>
<message></message>

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