Modification du tutoriel de gestion des étudiants en développement PHP
Créer un edit.php modifier le fichier
Le processus fonctionnel est le suivant
Le code est le suivant
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>学生管理系统</title> </head> <body> <?php include ('menu.php'); //1. 链接数据库 header("content-type:text/html;charset=utf8"); $conn=mysqli_connect("localhost","root","root","study"); mysqli_set_charset($conn,"utf8"); $id=$_GET['id']; //2.执行sql $sql_select = "select * from stu where id='$id'"; $stmt = mysqli_query($conn,$sql_select); // var_dump($stmt); // die(); $stu = mysqli_fetch_assoc($stmt); // 解析数据 ?> <h3>修改学生信息</h3> <form action="action.php?action=edit" method="post"> <input type="hidden" name="id" value="<?php echo $stu['id'];?>"> <table> <tr> <td>姓名</td> <td><input type="text" name="name" value="<?php echo $stu['name'];?>"></td> </tr> <tr> <td>年龄</td> <td><input type="text" name="age" value="<?php echo $stu['age'];?>"></td> </tr> <tr> <td>性别</td> <td> <input type="radio" name="sex" value="男" <?php echo ($stu['sex'] == "男")? "checked":"";?> >男 </td> <td> <input type="radio" name="sex" value="女" <?php echo ($stu['sex'] == "女")? "checked":"";?> >女 </td> </tr> <tr> <td>班级</td> <td><input type="text" name="class" value="<?php echo $stu['class']?>"></td> </tr> <tr> <td> </td> <td><input type="submit" value="修改"></td> <td><input type="reset" value="重置"></td> </tr> </table> </form> <?php ?> </body> </html>