一个php作的文本留言本的例子(一)

----------------------
//guest.php:<?

require("sys.php");
 if (
$B1)
 {
  if   (
$message=="" or $name=="")
  {
  
$errorm="<font color=red>出错了!!!</font>姓名和留言内容必填";
  }
  else
{
#写入数据
$space "&nbsp;";
$time date(Y年m月d日H小时i分);
$ip=$REMOTE_ADDR;
$name=encode($name);
$homepage=encode($homepage);
$from=encode($from);
$email=encode($email);
$message=StripSlashes($message);
$message=htmlspecialchars($message);
$message=check_strlen_long($message);
$message=nl2br($message);
$guestcontent "<tr><td><font color=#AB00E1>留言内容:</font><br><!--content>$message<!--endcontent> ";
$guestcontent=$guestcontent."<br><font color=#6633FF>留言人大名:</font><!--name>$name<!--endname> ";
if (
$email !="")
{
$guestcontent=$guestcontent."<br><font color=#9900CC>电子信箱</font><a href=\"mailto:$email\"><!--email>$email<!--endemail></a>"."$space";}
if (
$homepage !="http://")
{
$guestcontent=$guestcontent."<font color=#9900CC>主页:</font>$hompage<a href=\"$homepage\"><!--homepage>$homepage<!--endhomepage></a>";}
$guestcontent=$guestcontent."<br><font color=#0000FF>时间:$time 来自:<!--from>$from<!--endfrom> $ip</font>";
$guestcontent=ereg_replace(chr(10),"",$guestcontent);
$guestcontent=$guestcontent."<hr size=1></td></tr>\n";
$fp=fopen($guestfile,"a");
fputs($fp,$guestcontent);
fclose($fp);
}
}


?>

<html>
<head>
<title>zihanonlinegbook</title>
<style>
<!--
A:link {text-decoration: none ; color:0000ff}
A:visited {text-decoration: none; color:004080}
A:active {text-decoration: none}
A:hover {text-decoration: underline; color:ff0000}
BODY {FONT-SIZE:10pt}
TH {FONT-SIZE:10 pt}
TD {FONT-SIZE: 10pt}
TEXTAREA
{
FONT-FAMILY: "宋体";
FONT-SIZE: 10pt;
}

-->
</style>
<body bgcolor=#FFFFFD background="bg.jpg">
<div align="center">&nbsp; 
  <? include('head.htm');?>
  <table width="68%" border="1" cellpadding="3" cellspacing="0" bordercolor="#E3E3E3">
    <form method="POST" action="guest.php">
      <?
      
if ($errorm)
      {
      echo 
"<tr>";
      echo 
"<td colspan=3 height=32> ";
      echo 
"$errorm";
      echo 
"</td>";
      echo 
"</tr>";
      }
      
?> 
      <tr> 
        <td width="22%" bgcolor="#F0F0F0"><font color="#000000">姓名<font color="#FF0033">(必填)</font></font></td>
        <td colspan="2" width="78%" bgcolor="#F0F0F0"><font color="#00FF00"> 
          <input type="text" name="name" size="40">
          </font></td>
      </tr>
      <tr> 
        <td width="22%" height="29">主页:</td>
        <td colspan="2" height="29" width="78%"> 
          <input type="text" name="homepage" size="40" value="http://">
        </td>
      </tr>
      <tr> 
        <td width="22%" height="27" bgcolor="#F0F0F0">来自:</td>
        <td colspan="2" height="27" width="78%" bgcolor="#F0F0F0"> 
          <input type="text" name="from" size="40">
        </td>
      </tr>
      <tr> 
        <td width="22%" height="20">Email:</td>
        <td colspan="2" height="20" width="78%"><font color="#00FF00"> 
          <input type="text" name="email" size="40">
          </font></td>
      </tr>
      <tr> 
        <td colspan="3" valign="middle" align="left"> 
          <div align="center"><font color="#000000">请留言</font><font color="#FF0033">(必填)</font><font color="#00FF00"><br>
            <textarea rows="6" name="message" cols="55" wrap="VIRTUAL"></textarea>
            </font></div>
        </td>
      </tr>
      <tr bgcolor="#F0F0F0"> 
        <td colspan="3" height="24"> 
          <div align="center"><font color="#00FF00"> 
            <input type="submit" value="发  送" name="B1">
            &nbsp;&nbsp;&nbsp; 
            <input type="reset" value="重 写" name="B2">
            </font></div>
        </td>
      </tr>
    </form>
  </table>
  <table width="68%" border="1" cellpadding="4" cellspacing="0" bordercolor="#E3E3E3">
    <tr> 
      <td>
        <table width="100%" border="0" cellpadding="0" cellspacing="0">
         <form action=manage.php method=post>
          <tr> 
            <td colspan="2"> 
              <input type=hidden name=dispflag value=show>
              管理密码: 
              <input  type=password name=password size=8>
              &nbsp; 
              <input type=submit value="确  定" name="submit">
            </td>
          </tr>
          </form>
        </table>
      </td>
      <td>
        <table width="100%" border="0" cellpadding="0" cellspacing="0">
          <form action=guest.php method=post>
          <tr> 
            <td> 请输入关键字: 
              <input type="text" name="keyword" size="10">
              <input type="submit" name="search" value="搜索留言">
            </td>
          </tr>
          </form>
        </table>
      </td>
    </tr>
  </table>
  <?
  
function search($keyword)
  {
  global 
$content;
  
$count=count($content);
  
$subscript=0;
  
$ArrSearch=array();
  for (
$i=0;$i<$count;$i++)
   {
   if (
ereg($keyword,$content[$i])) 
     {
     
$ArrSearch[$subscript]=ereg_replace($keyword,"<font color=red>$keyword</font>",$content[$i]);
     
$subscript++;
     }
   }
  return 
$ArrSearch;
  }
//end function
  
$one_page_line=15;
  
$content file($guestfile);
  if (isset(
$search) and isset($keyword) and $keyword!="")
  {
  
$content=search($keyword);
  }
  
$count =count($content);
  
?>
  <table width="68%" border="0">
    <tr>
      <td>
    
      <?
      $int_page_count
=$count;//总条数;
      
$int_page_num=ceil($int_page_count/$one_page_line);//总页数;
      
echo "<font color=#CC33FF>分页:";
      for (
$i=1;$i<=$int_page_num;$i++)
      {
      echo 
"<a href=guest.php?page=$i>".$i."</a>&nbsp;";
      }
     echo 
"</font>";
     if (isset(
$search) and isset($keyword) and $keyword!="")
     {
      echo 
"<br><center>";
      echo 
"下面的留言中包含关键字<font color=red>$keyword</font>共<font color=red>".$count."</font>条</center>";
     }
      
?>
      </td><td><p align=right>共有<font color=red><?echo "$count"?></font>条</p></td>
    </tr>
  </table>
</div>
  <br>
<table width="68%" border="0" align="center">
 <?
      
if ($page=="" or !isset($page))
      {
$page=1;}
      
$text="";
      
$begin_line=$int_page_count-($page-1)*$one_page_line;
      if (
$begin_line<$one_page_line){$one_page_line=$begin_line;}
      for (
$j=$begin_line;$j>($begin_line-$one_page_line);$j--)
      {
          
$text=$text."<tr><td align=right colspan=2><a href=reply.php?job=reply&record=".$j.">回复</a>&nbsp;<a href=edit.php?record=".$j.">编辑</a>&nbsp;<a href=dele.php?record=".$j.">删除</a>&nbsp;第<font color=red>$j</font>条</td></tr>";
          
$text.=$content[$j-1];
          
          
//数组找下标从0开始.
         
}
  
echo 
"$text";
?>
</table>
<?
include('bottom.htm');
?>
</body> 
</html>
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未完待续...