Créez un fichier action.php
Ce fichier utilise des instructions switch et case pour traiter des données telles que la suppression, la modification et l'ajout sur le. même page, la duplication de code est réduite
Le code est le suivant
<?php header("content-type:text/html;charset=utf8"); $conn=mysqli_connect("localhost","root","root","study"); mysqli_set_charset($conn,"utf8"); if($conn){ switch ($_GET['action']){ case 'add'://add $name = $_POST['name']; $sex = $_POST['sex']; $age = $_POST['age']; $class = $_POST['class']; $sql = "insert into stu (`name`, sex, age, class) values ('$name', '$sex','$age','$class')"; $rw = mysqli_query($conn,$sql); if ($rw > 0){ echo "<script>alert('添加成功');</script>"; }else{ echo "<script>alert('添加失败');</script>"; } header('Location: index.php'); break; case 'del'://get $id = $_GET['id']; $sql = "delete from stu where id='$id'"; $rw = mysqli_query($conn,$sql); if ($rw > 0){ echo "<script>alert('删除成功');</script>"; }else{ echo "<script>alert('删除失败');</script>"; } header('Location: index.php'); break; case 'edit'://post $id = $_POST['id']; $name = $_POST['name']; $age = $_POST['age']; $class = $_POST['class']; $sex = $_POST['sex']; // echo $id, $age, $age, $name; $sql = "update stu set name='$name', age='$age',sex='$sex',class='$class' where id='$id';"; // $sql = "update myapp.stu set name='jike',sex='女', age=24,classid=44 where id=17"; // print $sql; $rw = mysqli_query($conn,$sql); // var_dump($rw); // die(); if ($rw > 0){ echo "<script>alert('更新成功');</script>"; }else{ echo "<script>alert('更新失败');</script>"; } header('Location: index.php'); break; default: header('Location: index.php'); break; } }else{ die('数据库连接失败' .mysqli_connect_error()); } ?>