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BBS(php & mysql)完整版(一)-PHP实例

//此页面为say.php <? include "signup/MySQL.inc"; if($id1){        $sql="select * from $table where id='$id1'";    //显示回复题目        $result=mysql_query($sql)or die(mysql_error());        $row=mysql_fetch_array($result);        $title="RE:".$row["title"];         } $ip=$REMOTE_ADDR; $sql="select * from user_stus where ip='$ip'";    //查询当前用户名 $result=mysql_query($sql)or die(mysql_error()); $row=mysql_fetch_array($result); if(!$row)                                         //判断用户是否登陆 { echo "<html><div id=Layer2  align=center z-index:1><BR><BR><BR><BR>"; echo" <div id=Layer3  align=center z-index:2><img src=pic/3.gif width=15 height=15></div>"; echo"  <div align=center>";   echo" <p><font size=2 color=#FF33CC>嘻嘻!! 请先登陆</font></p>"; echo"<p><font size=2 color=#FF33CC><a href='".$PHP_SELF."?p=1&&table=$table'>返回</a></font></p> </div> </html>"; exit(); } else $userid=$row["userid"]; if($ok) {     if($title==""||$content=="")     {         echo "<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;请您添完整后提交";               }     else{     $id=time();                                 //提交文章     $date1=date("Y/m/d");     $title=htmlspecialchars($title);     $content=htmlspecialchars($content);     $sql="select * from ".$table;     $result=mysql_query($sql)or die(mysql_error());     $row1=mysql_num_rows($result);     $row1++;           if($id1){               $sql="insert into bbs_re (id,userid,date1,title,content)values('$id','$userid','$date1','$title','$content')";     mysql_query($sql)or die(mysql_error());     $sql="select * from ".$table." where id='$id1'";     $result=mysql_query($sql)or die(mysql_error());     $lin=mysql_fetch_array($result);     for($i=1;$i<6;$i++)         {          $re="r".$i;          if(!$lin["$re"])          break;         }     $sql="update ".$table." set ".$re."='$id' where id='$id1'";            }     else        $sql="insert into ".$table." (id,userid,date1,title,content,row)values('$id','$userid','$date1','$title','$content','$row1')";     $result=mysql_query($sql)or die(mysql_error());     if($result)        {                header("Location:php3.php?p=1&&table=$table");         exit ;        }     } } ?> <html> <head> <title>xiaoyang</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <script language="javaScript1.2" src="js/menu_comment.js"></script> <script language="Javascript1.2" src="js/fw_menu.js"></script> <script language="JavaScript"> <!-- function MM_reloadPage(init) {  //reloads the window if Nav4 resized   if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {     document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}   else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload(); } MM_reloadPage(true); // --> </script> </head> <body bgcolor="#FFFFFF" text="#000000"> <div id="Layer1" style="position:absolute; left:31px; top:1px; width:560px; height:46px; z-index:10"> <script language="JavaScript1.2">fwLoadMenus();</script></div>     <div id="Layer6" style="position:absolute; left:409px; top:29px; width:118px; height:17px; z-index:6"></div> <div id="Layer5" style="position:absolute; left:86px; top:63px; width:464px; height:303px; z-index:7">     <form name="form1" method="post" action="<? echo $PHP_SELF ?>">     <table width="98%" border="1" cellspacing="0" cellpadding="0" bordercolor="#FF99FF">       <tr>           <td width="26%" height="42">             <div align="center"><font size="2" color="#FF33FF">题目</font></div>         </td>         <td width="74%" height="42">             <input type="text" name="title" size="40" value="<?echo $title ;?>" onMouSEOver="this.document.form1.title.focus();return true">           <input type="hidden" name="table" value="<?echo $table ;?>">           <input type="hidden" name="id1" value="<? echo $id1 ;?>">           <br>         </td>       </tr>       <tr>           <td width="26%" height="172">             <div align="center"><font size="2" color="#FF33FF">内容</font></div>         </td>         <td width="74%" height="172">             <textarea name="content" cols="40" rows="10" wrap="physical" value="<?echo $content ;?>" onMouseOver="this.document.form1.content.focus()"></textarea>         </td>       </tr>       <tr>         <td width="26%">           <div align="center">             <input type="reset" name="Submit2" value="重写">           </div>         </td>         <td width="74%">           <div align="center">             <input type="submit" name="ok" value="发表">           </div>         </td>       </tr>     </table>     <p>&nbsp;</p>   </form> </div> <div id="back" style="position:absolute; left:455px; top:30px; width:85px; height:3px; z-index:8">     <hr color="#ff9999" noshade> </div> <div id="goback" style="position:absolute; left:461px; top:23px; width:120px; height:16px; z-index:9">     <div align="center"><a href="php3.php?p=1&&table=<?echo $table ;?>" target="_self" onMouseover="window.status='' ;return true"><font size="2" color="#FF33FF">返回</font></a></div> </div> <p>&nbsp;</p> <p>&nbsp;</p> </body> </html>

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