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一个简易需要注册的留言版程序

 更新时间：2006年10月09日 00:00:00   作者：  
1.guestbook.php（留言程序）
<html>
<head>
<script language="JavaScript">
<!--
<!--
    var hellotext="为了您的最佳浏览效果请您使用IE4.0以上的版本和800*600分辨率"
    var thetext=""
    var started=false
    var step=0
    var times=1

    function welcometext()
    {
      times--
      if (times==0)
      {
        if (started==false)
        {
          started = true;
          window.status = hellotext;
          setTimeout("anim()",1);
        }
        thetext = hellotext;
      }
    }

    function showstatustext(txt)
    {
      thetext = txt;
      setTimeout("welcometext()",4000)
      times++
    }

    function anim()
    {
      step++
      if (step==7) {step=1}
      if (step==1)
{window.status='>==='+thetext+'===<'}
      if (step==2)
{window.status='=>=='+thetext+'==<='}
      if (step==3)
{window.status='>=>='+thetext+'=<=<'}
      if (step==4)
{window.status='=>=>'+thetext+'<=<='}
      if (step==5)
{window.status='==>='+thetext+'=<=='}
      if (step==6)
{window.status='===>'+thetext+'<==='}
      setTimeout("anim()",200);
    }
  // -->
welcometext();

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
//-->
</script>
<title>天地网络留言版</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<style type="text/css">
<!--
a:link {  font-size: 9pt; color: #FFFFFF}
-->
</style>
<body>
<?
$PAGESIZE=5;
$db=mysql_connect("localhost","root","");
mysql_select_db("lyanban",$db);
$result=mysql_query("SELECT * FROM message order by date desc",$db);
$rowcount=mysql_num_rows($result);
$PAGES=CEIL($rowcount/$PAGESIZE);
if($rowcount==0)
{echo "目前没有留言！<a href=guestbook.htm>欢迎您留言！</a>";}

if($rownum == "")
{
$rownum = 1;

}
$AA=CEIL($rownum/5);
$i=0 ;
echo "<TABLE WIDTH=100%><td><div align=center><font size=2 color=#000000><B>共有留言：$rowcount 条     共：$PAGES 页        <right>现在是第 $AA 页</right></B></font></div></td>";
echo "<hr size=1 color=#ccccff  width=75%>";
while ($myrow=mysql_fetch_array($result)){
$i++;
      if(($i>=$rownum)&&($i<$rownum+5)){
     echo "<table width=75% border=1 cellspacing=0 cellpadding=0 align=center bordercolordark=#FFFFFF bordercolorlight=#000000 background=15.JPG>";
     echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>姓 　名</font></div></td><td width=85%><font size=2 color=#FFFFFF>$myrow[username]</font></td></tr>";
     echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>电子信箱</font></div></td><td width=85%><font size=2 color=#FFFFFF><a href="mailto:$myrow[email]">$myrow[email]</font></a></td></tr>";
     echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>公司主页</font></div></td><td width=85%><font size=2 color=#FFFFFF><a href=$myrow[homepage] target=_blank>$myrow[homepage]</font></a></td></tr>";
     echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>留言主题</font></div></td><td width=85%><font size=2 color=#FFFFFF>$myrow[topic]</font></td></tr>";
     echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>留言内容</font></div></td><td width=85%><font size=2 color=#FFFFFF>$myrow[content]</font></td></tr>";
     echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>留言时间</font></div></td><td width=85%><font size=2 color=#FFFFFF>$myrow[date]</font></td></tr>";
     echo "</table><hr size=1 color=#ccccff  width=75%>";}
    }
echo "<table width=100%><tr><td width=87%>";
#判断是否有上一页或下一页（10行换页）

  echo "<form name="hiddenform" method="post" action="guestbook.php">";
  echo "<div align=center><input type="hidden" name="rownum" value="">";
  echo "<input type="hidden" name="rowcount" value="$rowcount">";
#显示上一页
  if ($rownum>=5)
          echo "<input type="submit" value="上一页" onclick="document.hiddenform.rownum.value=".($rownum-5)."">";
#显示下一页
  if ($rownum+5<=$rowcount) {
          echo "<input type="submit" value="下一页" onclick="document.hiddenform.rownum.value=".($rownum+5).""></div>";
          }
  echo "</form>";
  echo "</td>";
  echo "</tr>";
  echo "</table>";
  echo "<table width=100% ><tr><td><div align=center><font color=#ffffff size=2><a href=guestbook.htm>返回继续发言</a></font></div></td></tr></table>";
?>
</body>
</html>
2.show.php3（显示程序）
?
   $username = htmlspecialchars(ltrim(stripslashes (trim($name))));//   本函式可去掉字串中的反斜线空格字元
   $email = htmlspecialchars(ltrim(stripslashes (trim($email))));
   $homepage = htmlspecialchars(ltrim(stripslashes (trim($homepage))));
   $topic = htmlspecialchars(ltrim(stripslashes (trim($topic))));
   $content = htmlspecialchars(ltrim(stripslashes (trim($content))));
  // $content=base64_encode($content);
//send email
//  if ($ok) mail($email,$topic,$content);
   if (($username=="")or($topic=="")or(strlen($username)>20)or(strlen($topic)>20))
   {echo "请填写必要的项目或着非法用户名！<a href=javascript:history.go(-1);>返回</a>";
   }
   //wrong email ?
   elseif (($email!="")and(!eregi("^[_.0-9a-z-]+@([0-9a-z][0-9a-z-]+.)+[a-z]{2,3}$",$email)))
   {
    echo "请您填写正确的 E-Mail 地址</p><p align=center><a href=javascript:history.go(-1);>返回</a>";
   }
   //wrong homepage ?
   elseif (($homepage!="")and(!eregi("(http://)+[0-9a-z-]+.([0-9a-z-]+.)+[a-z]{2,3}$",$homepage)))
   {echo "主页地址输入错误!<a href=javascript:history.go(-1);>返回</a>";}
   else{
       //联接数据库
      mysql_connect("localhost","root","");
      mysql_select_db("lyanban");
      $sql="select password from tb where username='$username'";
      $result=mysql_query($sql);
      $nums=mysql_num_rows($result);
      if($nums!=1){
      echo"对不起！请先<a href=register.html>注册</a>！";
      }
      else{
      //得到日期 YYYY-MM-DD HH:MM:SS 2000-01-01 00:00:00'
      $t = date(Y."-".m."-".d." ".H.":".i.":".s);
     //将新用户插入数据库
     mysql_query("insert into message values ('$username','$email','$homepage','$topic','$content','$t')");
     echo "<div align=center><font size=2 color=#000000>谢谢您留言！您的留言已成功加入，<a href=guestbook.php>返回</a></font></div>";
     }
     }
?>
3.zhuc.php(注册程序)
<?
mysql_connect("localhost","root","")
or die("无法连接数据库，请重试");

mysql_select_db("lyanban")
or die("无法选择数据库，请重试");
$query="select password from tb where username='$username'";
$result=mysql_query($query);
$numrows=mysql_num_rows($result);
if($numrows!=0)
{echo '已有人注册此名，请重新选择名字!<a href=javascript:history.go(-1);>返回</a>';}
else
{$query="insert into tb(username,password) values('$username','$password')";
mysql_query($query);
echo '注册成功';
echo '<A HREF="guestbook.htm" >请登录!</A>';}
?>
以下是两个配套的HTML：
1。留言网页
<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>天地网络留言版欢迎您留言！</title>
</head>
<body bgcolor="#FFFFFF">
<div align="center">
    <center>
    <br>
    <font size="2">天地网络留言版测试版</font><br>
    <br>
    <form method="post" action="show.php3">
      <table width="66%">
        <tr>
          <td width="50%" height="1">
            <div align="center">　<font size="2">　　　　　　　　　 您的尊姓大名：</font></div>
          </td>
          <td width="50%" height="1">
            <div align="center">
              <input type="text" name="name" size="20">
            </div>
          </td>
        </tr>
        <tr>
          <td width="50%" height="1">
            <div align="center"><font size="2"> 　　　　　　　　　您的电子邮件地址：</font></div>
          </td>
          <td width="50%" height="1">
            <div align="center">
              <input type="text" name="email" size="20">
            </div>
          </td>
        </tr>
        <tr>
          <td width="50%" height="1">
            <div align="center"><font size="2">　　　　　　　　　您的公司主页地址：</font></div>
          </td>
          <td width="50%" height="1">
            <div align="center">
              <input type="text" name="homepage" size="20" value="http://">
            </div>
          </td>
        </tr>
        <tr>
          <td width="50%" height="1">
            <div align="center">　　　　　　　　　　 <font size="2">留言主题：</font></div>
          </td>
          <td width="50%" height="1" valign="middle">
            <div align="center">
              <input type="text" name="topic" size="20">
            </div>
          </td>
        </tr>
        <tr>
          <td width="50%" height="1">
            <div align="center"> 　　　　　　　　　　 <font size="2">留言内容：</font></div>
          </td>
          <td width="50%" height="1">
            <div align="center">　</div>
          </td>
        </tr>
        <tr>
          <td width="100%" colspan="2" height="66">
            <p align="center">
              <textarea rows="10" name="content" cols="50"></textarea>
            </p>
          </td>
        </tr>
        <tr>
          <td width="50%" height="18">
            <div align="center"></div>
          </td>
          <td width="50%" height="18">
            <div align="center"></div>
          </td>
        </tr>
        <tr>
          <td width="50%" height="18" align="center">
            <p align="center">
              <input type="submit" value="发表留言" name="B1">
            </p>
          </td>
          <td width="50%" height="18" align="center">
            <div align="center">
              <input type="reset" value="全部重写" name="B2">
            </div>
          </td>
        </tr>
      </table>
  </form>
    </center>
  </div>
  <p>　</p>
  <p>　</p>

</body>

</html>
2.注册程序
<html>
<head>
<title>registe</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>

<body bgcolor="#FFFFFF">
<div align="center">
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>用户注册</p>
  <form method="post" action="zhuc.php">
    <p>用户名:
      <input type="text" name="username">
    </p>
    <p>密码:
      <input type="password" name="password">
    </p>
    <p>
      <input type="submit" name="Submit" value="确定">
      <input type="reset" name="Submit2" value="重来">
    </p>
  </form>
  <p>&nbsp;</p>
</div>
</body>
</html>
如需要ZIP文件可给我来信。tandinet@163.net  

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