Fonction d'ajout de catégorie dans les coulisses
1, créez un nouveau typeadd.php
En utilisant la fonction de classification native Infinitus selon le champ fid de la table des types, le code est le suivant
<?php include 'include/mysqli.php'; ?> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>添加类别</title> <link rel="stylesheet" type="text/css" href="css/style.css"> </head> <body> <form method="post" action="typesave.php?action=add"> <ul class="typecontent"> <?php ?> <li>父类名称<select name="fid"> <option value="0">根目录</option> <?php function show($fid,$i){ $i++; $blank=""; for($n=0;$n<$i;$n++){ $blank.="---"; } global $mysqli; $sql="select *from type where fid=$fid order by orderid desc"; $result=$mysqli->query($sql); $id=$_GET["id"]; while($row=$result->fetch_assoc()){ ?> <option <?php if($id==$row['id']){echo "selected";}?> value="<?php echo $row['id']?>"><?php echo $blank.$row['typename'].$blank?></option> <?php show($fid=$row['id'],$i); } ?> <?php } show(0,0); ?> </select> </li> <li>类别名称<input class="inp" type="text" name="typename"></li> <li>排 序<input class="inp" type="text" name="orderid"></li> <li> <input class="btn" type="submit" name="dosub" value="添加"></li> </ul> </form> </body> </html>
La page s'affiche comme suit :
2. Obtenez les données de soumission du formulaire pour le traitement
Créez un nouveau fichier typesave.php Le code est le suivant :
<?php header("Content-type:text/html;charset=utf-8"); include 'include/mysqli.php'; if($_GET["action"]=="add"){ $fid=$_POST['fid']; $typename=$_POST["typename"]; $orderid=$_POST["orderid"]; if(empty($typename)){ echo "<script>alert('类别名称不能为空!')</script>"; return false; } $sql = "insert into type(typename,orderid,fid) values('$typename','$orderid','$fid')"; if ($mysqli->query($sql)) { echo "<script>alert('类别添加成功')</script>"; echo "<script>window.location='typelist.php'</script>"; } }elseif ($_GET["action"]=="update"){ $typename=$_POST["typename"]; $orderid=$_POST["orderid"]; $id=$_POST["id"]; if(empty($typename)){ echo "<script>alert('类别名称不能为空!')</script>"; return false; } $sql = "update type set typename='$typename',orderid='$orderid' where id='$id'"; if ($mysqli->query($sql)) { echo "<script>alert('类别修改成功')</script>"; echo "<script>window.location='typelist.php'</script>"; } }elseif ($_GET["action"]=="del"){ $id=$_GET['id']; $sql = "delete from type where id=$id"; if ($mysqli->query($sql)) { echo "<script>alert('类别删除成功')</script>"; echo "<script>window.location='typelist.php'</script>"; } }elseif ($_GET["action"]=="delall"){ $arrid=$_GET["arrid"]; $arr=rtrim($arrid,","); $sql="delete from type where id in ($arr)"; $result=$mysqli->query($sql); if($result){ echo "<script>alert('类别删除成功!')</script>"; echo "<script>window.location.href='typelist.php'</script>"; } }
. L'effet est affiché comme suit :