Operasi pangkalan data tutorial pengurusan pelajar pembangunan PHP
Buat fail action.php
Fail ini menggunakan penyataan suis dan kes untuk memproses data seperti pemadaman, pengubahsuaian dan penambahan pada halaman yang sama, pertindihan kod dikurangkan
Kod adalah seperti berikut
<?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()); } ?>