phpcms2008增加浏览次数插件

<?php
session_start();
extract($_POST);
require dirname(__FILE__).'/include/common.inc.php';
$keyadmin="www.bitefu.net";
if($key && $key==$keyadmin)
{
	$_SESSION["NowKey"]=$keyadmin;
}
if($_SESSION["NowKey"] && $_SESSION["NowKey"]=$keyadmin){
?>
<script language="JavaScript" src="images/js/jquery.min.js"></script>
<form action="" method="post" name="form">
选择增加类型：<br><br>
<hr>
指定ID:
<input name="thisid" type="text" id="thisid" size="10" />
<br>
ID范围:
<input name="idstart" type="text" id="idstart" size="10" />
-
<input name="idend" type="text" id="idend" size="10" />
<hr />
公司活跃<br>指定ID：
  <input name="comid" type="text" id="comid" size="10" />
<br>ID范围：
  <input name="comstart" type="text" id="comstart" size="10" />
  - 
  <input name="comend" type="text" id="comend" size="10" />
<br>全部：
  <input name="comall" type="checkbox" id="comall" value="1" />
<hr />
栏目ID:
<input type="hidden" name="catid" id="catid" value="all">
			<span onclick="this.style.display='none';$('#reselect_catid').show();" style="cursor:pointer;">全部 <font color="red">点击重选</font></span>
			<span id="reselect_catid" style="display:none;">
			<span id="load_catid"></span> 
			<a href="javascript:category_reload();">重选</a>
			</span><script type="text/javascript">
					function category_load(id)
					{
						$.get('load.php', { field: 'catid', id: id },
							  function(data){
								$('#load_catid').append(data);
							  });
					}
					function category_reload()
					{
						$('#load_catid').html('');
						category_load(0);
					}
					category_load(0);
			</script>
 <br><hr>
<br>
增加值:<input name="addnum" type="text" size="10" value="<?=$addnum;?>"/>【必填】
<br>
<input type="submit" name="submit" value="提交" />
</form>
<?php
}else{
?>
<form id="form1" name="form1" method="post" action="">
KEY:<input type="text" name="key" />
<input type="submit" name="checkkey" value="提交" />
</form>
<? }?>

<?php
//print_r($_POST);
if(!$addnum && $submit){echo "<span style='color:red'>增加值不能为空！</span>";}
if($submit && $addnum)
{
	if($thisid){
		$sql="update `".DB_PRE."content_count` set `hits` = `hits` +  ".$addnum." where `contentid`='$thisid'";
	}else if($idstart){
		$sql="update `".DB_PRE."content_count` set `hits` = `hits` +  ".$addnum." where `contentid` >= '$idstart'";
		if($idend){$sql.=" and `contentid` <= '$idend'";}
	}else if($comid || $comstart || $comall){
		if($comid){
			$sql="update `".DB_PRE."member_info` set `logintimes` = `logintimes` +  ".$addnum." where `userid`='$comid'";
		}else if($comstart){
			$sql="update `".DB_PRE."member_info` set `logintimes` = `logintimes` +  ".$addnum." where `userid` >= '$comstart'";
			if($comend){$sql.=" and `userid` <='$comend'";}
		}else if($comall && $comall==1){
			$sql="update `".DB_PRE."member_info` set `logintimes` = `logintimes` +  ".$addnum;
		}else{$sql='';}
	}else if($catid){//
		if($catid=="all"){
			$sql="update `".DB_PRE."content_count` set `hits` = `hits` +  ".$addnum;
		}else{
			$getid_query=mysql_query("select `contentid` from `".DB_PRE."content` where status=99  ".get_sql_catid($catid));
			while($rs=mysql_fetch_assoc($getid_query)){$getid[]=$rs['contentid'];}
			$idstr=implode(",",$getid);
			$sql="update `".DB_PRE."content_count` set `hits` = `hits` +  ".$addnum." where `contentid` in ($idstr)";
		}
	}else{$sql='';}
}
if($sql && $submit)
{
	mysql_query($sql);
	echo date("Y-m-d H:i:s")."成功执行了添加操作，共影响数据： ".mysql_affected_rows()." 条";
}else if(!$sql && $submit){
	echo "<br><span style='color:red'>输入信息有误请确认后再提交！</span>";
}
?>