-- Database: test
javascript
-- 表的結構 message
php
CREATE TABLE `message` ( `id` tinyint(1) NOT NULL PRIMARY KEY AUTO_INCREMENT, `name` varchar(25) NOT NULL, `sex` varchar(50) NOT NULL, `age` tinyint(1) NOT NULL, `classid` tinyint(1) NOT NULL ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
<!DOCTYPE html> <head> <meta charset="UTF-8"> <title>學生信息管理</title> <script> function doDel(id) { if (confirm("肯定要刪除麼?")) { window.location = 'action.php?action=del&id=' + id; } } </script> </head> <body> <center> <?php include_once "menu.php"; ?> <h3>瀏覽學生信息</h3> <table width="600" border="1"> <tr> <th>ID</th> <th>姓名</th> <th>性別</th> <th>年齡</th> <th>班級</th> <th>操做</th> </tr> <?php //1.鏈接數據庫 try { $pdo = new PDO("mysql:host=localhost;dbname=test;", "root", ""); } catch (PDOException $e) { die("數據庫鏈接失敗" . $e->getMessage()); } //2.解決中文亂碼問題 $pdo->query("SET NAMES 'UTF8'"); //3.執行sql語句,並實現解析和遍歷 $sql = "SELECT * FROM message "; foreach ($pdo->query($sql) as $row) { echo "<tr>"; echo "<td>{$row['id']}</td>"; echo "<td>{$row['name']}</td>"; echo "<td>{$row['sex']}</td>"; echo "<td>{$row['age']}</td>"; echo "<td>{$row['classid']}</td>"; echo "<td> <a href='javascript:doDel({$row['id']})'>刪除</a> <a href='edit.php?id=({$row['id']})'>修改</a> </td>"; echo "</tr>"; } ?> </table> </center> </body> </html>
<!DOCTYPE html> <html lang="en"> <body> <h2>學生管理系統</h2> <a href="index.php"> 瀏覽學生</a> <a href="add.php"> 添加學生</a> <hr> </body> </html>
<html> <head> <title>學生信息管理</title> </head> <body> <center> <?php include("menu.php"); ?> <h3>增長學生信息</h3> <form method="post" action="action.php?action=add"> <table> <tr> <td>姓名</td> <td><input name="name" type="text"/></td> </tr> <tr> <td>性別</td> <td><input type="radio" name="sex" value="男"/> 男 <input type="radio" name="sex" value="女"/> 女 </td> </tr> <tr> <td>年齡</td> <td><input type="text" name="age" /></td> </tr> <tr> <td>班級</td> <td><input name="classid" type="text"/></td> </tr> <tr> <td> </td> <td><input type="submit" value="增長"/> <input type="reset" value="重置"/> </td> </tr> </table> </form> </center> </body> </html>
<html> <head> <meta charset="UTF-8"> <title>學生信息管理</title> </head> <body> <center> <?php include_once "menu.php"; //1.鏈接數據庫 try { $pdo = new PDO("mysql:host=localhost;dbname=test;", "root", ""); } catch (PDOException $e) { die("數據庫鏈接失敗" . $e->getMessage()); } //2.防止中文亂碼 $pdo->query("SET NAMES 'UTF8'"); //3.拼接sql語句,取出信息 $sql = "SELECT * FROM message WHERE id =" . $_GET['id']; $stmt = $pdo->query($sql);//返回預處理對象 if ($stmt->rowCount() > 0) { $stu = $stmt->fetch(PDO::FETCH_ASSOC);//按照關聯數組進行解析 } else { die("沒有要修改的數據!"); } ?> <form method="post" action="action.php?action=edit"> <input type="hidden" name="id" id="id" value="<?php echo $stu['id']; ?>"/> <table> <tr> <td>姓名</td> <td><input id="name" name="name" type="text" value="<?php echo $stu['name'] ?>"/></td> </tr> <tr> <td>性別</td> <td><input type="radio" name="sex" value="男" <?php echo ($stu['sex'] == "男") ? "checked" : "" ?>/> 男 <input type="radio" name="sex" value="女" <?php echo ($stu['sex'] == "女") ? "checked" : "" ?>/> 女 </td> </tr> <tr> <td>年齡</td> <td><input type="text" name="age" id="age" value="<?php echo $stu['age'] ?>"/></td> </tr> <tr> <td>班級</td> <td><input id="classid" name="classid" type="text" value="<?php echo $stu['classid'] ?>"/></td> </tr> <tr> <td> </td> <td><input type="submit" value="修改"/> <input type="reset" value="重置"/> </td> </tr> </table> </form> </center> </body> </html>
<?php //1.鏈接數據庫 try{ $pdo = new PDO("mysql:host=localhost;dbname=test;","root",""); }catch(PDOException $e){ die("數據庫鏈接失敗".$e->getMessage()); } //2.經過action的值作地應操做 switch($_GET['action']){ case "add"://增長操做 $name = $_POST['name']; $sex = $_POST['sex']; $age = $_POST['age']; $classid = $_POST['classid']; $sql = "insert into message values(null,'{$name}','{$sex}','{$age}','{$classid}')"; $rw = $pdo->exec($sql); if($rw > 0){ echo "<script>alert('增長成功');window.location='index.php'</script>"; }else{ echo "<script>alert('增長失敗');window.history.back();</script>"; } break; case "del"; //刪除操做 $id = $_GET['id']; $sql = "delete from message where id={$id}"; $pdo->exec($sql); header("Location:index.php"); break; case "edit": //1.獲取表單信息 $name = $_POST['name']; $sex = $_POST['sex']; $age = $_POST['age']; $classid = $_POST['classid']; $id = $_POST['id']; $sql = "update message set name='{$name}',sex='{$sex}',age={$age},classid={$classid} where id={$id}"; $rw = $pdo->exec($sql); if($rw>0){ echo "<script>alert('修改爲功');window.location='index.php'</script>"; }else{ echo "<script>alert('增長失敗');window.history.back();</script>"; } break; } ?>