?? ???? ???? ?? ???? ???? ?? cateadd.php ??? ??????. ? ??? ???? cateedit.php ??? ???? ?? ???? ?????.

???? ?? ?? ???? ?????. ?? ?? ??? ??? ??? ID? ?? SQL ?? ?? ?? ID? ??? ?? ?? ???? ?? ???? ?? ? ??? ??? ?????.

id ?? ???? cate.php? "??" ? "??" ??? ??? ?? ?????.

<td>
  <div class="button-group">
    <a class="button border-main" href="cateedit.php?id=<?php echo $val['id'];?>">
      <span class="icon-edit"></span> 修 改</a>
    <a class="button border-red" href="catedel.php?id=<?php echo $val['id'];?>" onclick="return del(1,2)">
      <span class="icon-trash-o"></span> 刪 除</a>
  </div>
</td>

?? ?? ??? ???? catedel.php ??? ???? ?? ??? ??? ?, ??? ?? ID? ???? SQL ?? ???? ?????? ???? ?? ??? ?????.

<?php
header("content-type:text/html;charset=utf-8");
include("config.php");
$id = isset($_GET['id'])?$_GET['id']:"";
$sql = "delete from cate where id = '$id'";
//echo $sql;
$rel = mysqli_query($link,$sql);
if($rel){
   echo "<script>alert('刪除成功');window.location.href='cate.php'</script>";
}else{
   echo "<script>alert('刪除失敗');window.location.href='cate.php'</script>";
}
?>

?? ??? ?? ?????. cateedit.php ?? ??? ??? ???????. "??"?? ???? ???? ?? ??? ID? ???? ? ID? ?? ??? ??????? ??? ????. SQL ?? ?? ?????. ?? ?? SQL ?? ?? ? ID? ??? ?????. cateedit.php ???? ???? ?????

<?php
header("content-type:text/html;charset=utf-8");
include("config.php");

$id = isset($_GET["id"])?$_GET["id"]:"";
$cate_name = isset($_POST["cate_name"])?$_POST["cate_name"]:"";
$rank = isset($_POST["rank"])?$_POST["rank"]:"";

$sql = "select id,cate_name,rank from cate where id = '$id'";
$result = mysqli_query($link,$sql);
$rel = mysqli_fetch_array($result);
?>

ID? ???? ??? ?? type="hidden"? ???? ???. <form> ??? ?? ?? ?????.

<input type="hidden" name="id" value="<?php echo $rel["id"]?>">

??? ?? ??? ??? ???? ?? ????? ??? ?? ???? ???.

<div class="field">
  <input type="text" class="input w50" name="cate_name" value="<?php echo $rel['cate_name'];?>"/>
  <div class="tips"></div>
</div>

<div class="field">
  <input type="text" class="input w50" name="rank" value="<?php echo $rel["rank"];?>"  data-validate="number:分類級別必須為數(shù)字" />
  <div class="tips"></div>
</div>

cateupdate.php ??? ???? ?? ??. POST? ??? ID ???? ???? SQL ? UPDATE SET ?? ?? ??? ?????.

<?php
header("content-type:text/html;charset=utf-8");
include("config.php");

$id = isset($_POST["id"])?$_POST["id"]:"";
$cate_name = isset($_POST["cate_name"])?$_POST["cate_name"]:"";
$rank = isset($_POST["rank"])?$_POST["rank"]:"";
$sql="update cate set cate_name='$cate_name',rank='$rank'where id='$id'";
//echo $sql;
$rel=mysqli_query($link,$sql);//執(zhí)行sql語句
//echo $rel

if($rel){
   echo "<script>alert('修改成功');window.location.href='cate.php'</script>";
}else{
   echo "<script>alert('修改失敗');window.location.href='cateedit.php'</script>";
}
?>