数据库的数据更新

if(isset($id))

{

if(!mysql_connect("localhost","用户名","密码"))

{echo"无法联接数据库";

exit();

}

if(isset($url))

{

$query="update $jpg set id='$id',url='$url',mess='$mess',

fromx='$fromx',url1='$url1',mess1='$mess1',fromx1='$fromx1',url2='$url2',

mess2='$mess2',fromx2='$fromx2',url3='$url3',mess3='$mess3',fromx3='$fromx3'

where id='$id'" ;

$result=mysql_db_query("elong",$query); //执行写入

if (!$result)

{echo "发生错误!";

exit();

}

echo "$id 已经更新!

";

echo "

ID	$id
url地址	$url
小图	$mess
说明	$fromx
url地址1	$url1
小图1	$mess1
说明1	$fromx1
url地址2	$url2
小图2	$mess2
说明2	$fromx2
url地址3	$url3
小图3	$mess3
说明3	$fromx3

n";

echo "回到首页";

exit();

}

$query="SELECT id,url,mess,fromx,url1,mess1,fromx1,url2,mess2,fromx2,url3,mess3,fromx3 from $jpg

where id='$id'" ;

$result=mysql_db_query("elong",$query);

if (!$result)

{echo "发生错误!";

exit();

}

$r=mysql_fetch_array($result);

$id = $r["id"];

$url = $r["url"];

$mess = $r["mess"];

$fromx = $r["fromx"];

$url1 = $r["url1"];

$mess1 = $r["mess1"];

$fromx1 = $r["fromx1"];

$url2 = $r["url2"];

$mess2 = $r["mess2"];

$fromx2 = $r["fromx2"];

$url3 = $r["url3"];

$mess3 = $r["mess3"];

$fromx3 = $r["fromx3"];

echo"

n