Php+Xml留言本小程序
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 $CONFIGS['title'];?></TITLE>
<META NAME="Author" CONTENT="Libch">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<META http-equiv="Content-Type" content="text/html; charset=utf-8">
</HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!--
String.prototype.trim = function()
{
return this.replace(/(^\s*)|(\s*$)/g, "");
}
function checkForm()
{
var name= document.getElementById('name').value;
var content = document.getElementById('content').value;
if (name == null || name == "" || name.trim() == "")
{
alert("昵称不能为空！");
return ;
}
if (content == null || content =="" || content.trim() =="")
{
alert("内容不能为空！");
return ;
}
document.formMain.submit();
}
//-->
</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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