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index.html
<?php
$id = intval(trim($_GET['id']));
$pdo = new PDO('mysql:host=127.0.0.1;dbname=php','root','root');
$stmt = $pdo->prepare("SELECT * FROM `user` WHERE `id`={$id}");
$stmt->execute();
$user = $stmt->fetch(PDO::FETCH_ASSOC);
$pdo = null;
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>用户编辑</title>
<style>
h3 {
text-align: center;
}
div {
width: 300px;
height: 180px;
/*background-color: lightblue;*/
margin: 0 auto;
text-align: center;
padding: 20px;
border: 1px dashed #888;
border-radius: 5%;
}
div input {
border: none;
border-bottom: 1px solid #333;
}
button:hover {
cursor: pointer;
background-color: lightblue;
}
.success {
color: green;
}
.error {
color: red;
}
</style>
</head>
<body>
<h3>用户编辑</h3>
<div>
<form name="user">
<p>
<label>用户名:
<input type="text" name="name" value="<?=$user['name']?>" disabled>
</label>
</p>
<p>
<label>邮 箱:
<input type="email" id="email" name="email" value="<?=$user['email']?>" autofocus>
</label>
</p>
<p>
<label>密 码:
<input type="password" id="password" name="password" value="<?=$user['password']?>">
</label>
</p>
<!-- 将当前用户的id,做为更新条件,以隐藏域的方式发送到服务器端-->
<input type="hidden" id="id" value="<?=$user['id']?>">
<p>
<button type="button" onclick="save(this.form)">保存</button>
<button type="button" onclick="history.back()">取消</button>
</p>
<!-- 提示信息占位符-->
<p></p>
</form>
</div>
<script>
function save(form){
var request = new XMLHttpRequest();
//监听成功回调
request.onreadystatechange = function(ev){
if(request.readyState === 4 && request.status === 200){
var data = JSON.parse(request.responseText);
var tips = form.lastElementChild;
tips.innerHTML = data.message;
if(data.status === 1){
tips.classList.add('success');
}else{
tips.classList.add('error');
}
setTimeout(function(){
history.back();
},2000);
}
};
//初始化参数
request.open('POST','user_manage.php?action=save');
//设置请求头
request.setRequestHeader('content-type','application/x-www-form-urlencoded');
//发送请求到后端,以键值对发
var data = 'email='+form.email.value+'&password='+form.password.value+'&id='+form.id.value;
request.send(data);
}
</script>
</body>
</html>点击 "运行实例" 按钮查看在线实例
staff_list.php
<?php
$pdo = new PDO('mysql:host=127.0.0.1;dbname=php','root','root');
$sql = 'SELECT * FROM `staff` LIMIT 0,5';
$stmt = $pdo->prepare($sql);
$stmt->execute();
$staffs = $stmt->fetchAll(PDO::FETCH_ASSOC);
$pdo = null;
$tableTitle = '员工信息表';
$total = count($staffs);
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title><?php echo $title; ?></title>
<style>
table,th,td {
border: 1px solid #666;
padding: 8px;
}
table {
border-collapse: collapse;
width: 80%;
text-align: center;
margin: 30px auto;
}
thead tr:first-of-type {
background-color: lightblue;
}
tbody tr:hover {
background-color: #efefef;
}
table > caption {
font-size: 1.2rem;
margin-bottom: 15px;
}
table + p {
text-align: center;
}
button:hover {
cursor: pointer;
background-color: lightblue;
}
/*添加按钮给个特殊样式*/
#add {
height: 25px;
width: 90px;
position: absolute;
left: 650px;
top: 40px;
}
</style>
</head>
<body>
<button onclick="location.href='#'" id="add">添加</button>
<table>
<caption>
<?php
echo '<span style="color:red">' . $tableTitle . '</span>';
?>
</caption>
<thead>
<tr>
<th>编号</th>
<th>姓名</th>
<th>年龄</th>
<th>性别</th>
<th>职务</th>
<th>手机</th>
<td>入职</td>
<th>操作</th>
</tr>
</thead>
<tbody>
<!--foreach()替代语法-->
<?php foreach($staffs as $staff) : ?>
<tr>
<td><?php echo $staff['id']; ?></td>
<td><?php echo $staff['name']; ?></td>
<td><?php echo $staff['age']; ?></td>
<!--if()替代语法-->
<td>
<?php if($staff['sex'] == 1) : ?>
男
<?php else: ?>
女
<?php endif; ?>
</td>
<!--如果只是简单的输出变量可以使用php短标签语法-->
<td><?=$staff['position']?></td>
<td><?=$staff['mobile']?></td>
<td>
<?php
echo date('Y/m/d',$staff['hiredate']);
?>
</td>
<td>
<button onclick="location.href='#'">编辑</button>
<button onclick="location.href='#'"><span style="color:red">删除</span></button>
</td>
</tr>
<?php endforeach;?>
</tbody>
</table>
<p>总计:
<?php echo $total; ?>
人</p>
</body>
</html>点击 "运行实例" 按钮查看在线实例
user_list.php
<?php
$pdo = new PDO('mysql:host=127.0.0.1;dbname=php','root','root');
$stmt = $pdo->prepare('SELECT * FROM `user` LIMIT 1');
$stmt -> execute();
$user = $stmt->fetch(PDO::FETCH_ASSOC);
$pdo = null;
?>
<html lang="en">
<head>
<meta charchet="UTF-8">
<title>用户设置</title>
<style>
table,th,td {
border: 1px solid #666;
padding: 8px;
}
table {
border-collapse: collapse;
width: 80%;
text-align: center;
margin: 30px auto;
}
thead tr:first-of-type {
background-color: lightblue;
}
table > caption {
font-size: 1.2rem;
margin-bottom: 15px;
}
button:hover {
cursor: pointer;
background-color: lightblue;
}
</style>
</head>
<body>
<table>
<option>用户管理</option>
<thead>
<tr>
<th>ID</th>
<th>用户名</th>
<th>邮箱</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<tr>
<td><?=$user['id']?></td>
<td><?=$user['name']?></td>
<td><?=$user['email']?></td>
<td>
<button onclick="location.href='user_edit.php?id=<?=$user['id']?>'">编辑</button>
</td>
</tr>
</tbody>
</table>
</body>
</html>点击 "运行实例" 按钮查看在线实例
user_edit.php
<?php
$id = intval(trim($_GET['id']));
$pdo = new PDO('mysql:host=127.0.0.1;dbname=php','root','root');
$stmt = $pdo->prepare("SELECT * FROM `user` WHERE `id`={$id}");
$stmt->execute();
$user = $stmt->fetch(PDO::FETCH_ASSOC);
$pdo = null;
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>用户编辑</title>
<style>
h3 {
text-align: center;
}
div {
width: 300px;
height: 180px;
/*background-color: lightblue;*/
margin: 0 auto;
text-align: center;
padding: 20px;
border: 1px dashed #888;
border-radius: 5%;
}
div input {
border: none;
border-bottom: 1px solid #333;
}
button:hover {
cursor: pointer;
background-color: lightblue;
}
.success {
color: green;
}
.error {
color: red;
}
</style>
</head>
<body>
<h3>用户编辑</h3>
<div>
<form name="user">
<p>
<label>用户名:
<input type="text" name="name" value="<?=$user['name']?>" disabled>
</label>
</p>
<p>
<label>邮 箱:
<input type="email" id="email" name="email" value="<?=$user['email']?>" autofocus>
</label>
</p>
<p>
<label>密 码:
<input type="password" id="password" name="password" value="<?=$user['password']?>">
</label>
</p>
<!-- 将当前用户的id,做为更新条件,以隐藏域的方式发送到服务器端-->
<input type="hidden" id="id" value="<?=$user['id']?>">
<p>
<button type="button" onclick="save(this.form)">保存</button>
<button type="button" onclick="history.back()">取消</button>
</p>
<!-- 提示信息占位符-->
<p></p>
</form>
</div>
<script>
function save(form){
var request = new XMLHttpRequest();
//监听成功回调
request.onreadystatechange = function(ev){
if(request.readyState === 4 && request.status === 200){
var data = JSON.parse(request.responseText);
var tips = form.lastElementChild;
tips.innerHTML = data.message;
if(data.status === 1){
tips.classList.add('success');
}else{
tips.classList.add('error');
}
setTimeout(function(){
history.back();
},2000);
}
};
//初始化参数
request.open('POST','user_manage.php?action=save');
//设置请求头
request.setRequestHeader('content-type','application/x-www-form-urlencoded');
//发送请求到后端,以键值对发
var data = 'email='+form.email.value+'&password='+form.password.value+'&id='+form.id.value;
request.send(data);
}
</script>
</body>
</html>点击 "运行实例" 按钮查看在线实例
user_manage.php
<?php
/**
* Created by PhpStorm.
* User: lenovo
* Date: 2019/2/26
* Time: 15:51
*/
$pdo = new PDO('mysql:host=127.0.0.1;dbname=php','root','root');
$action = strtolower(trim($_GET['action']));
switch($action){
case 'save':
$sql = 'UPDATE `user` SET `email`=:email,`password`=:password WHERE `id`=:id';
$stmt = $pdo->prepare($sql);
$email =strtolower(trim($_POST['email']));
$password =sha1(strtolower(trim($_POST['password'])));
$id =strtolower(trim($_POST['id']));
$stmt->bindParam('email',$email,PDO::PARAM_STR,60);
$stmt->bindParam('password',$password,PDO::PARAM_STR,20);
$stmt->bindParam('id',$id,PDO::PARAM_INT);
if(true === $stmt-execute()){
if($stmt->rowCount() === 1){
$status =1;
$message = "更新成功";
} else if($stmt->rowCount ==0){
$status = 0;
$message = "没有更新";
}
}else{
$status = -1;
$message = "出错了！";
}
}
echo json_encode(['status'=>$status,'message'=>$message]);
exit;
}
?>点击 "运行实例" 按钮查看在线实例
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