Collection
Collection
头部文件header.php
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="stylesheet" href="lib/dist/css/bootstrap.css">
<script src="lib/jquery-3.2.1.js"></script>
<script src="lib/dist/js/bootstrap.js"></script>
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title><?php echo isset($pageTitle)?$pageTitle :'注册'?></title> <!-- <--! 标题通过一个变量（$pageTitle）进行判断-->
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-12">
<nav class="navbar navbar-inverse">
<div class="container-fluid">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">我的博客</a>
</div>
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<!-- <li><a href="#">我的记录 <span>(current)</span></a></li>-->
<!-- <li><a href="#">经验</a></li>-->
<!-- <li><a href="#">笔记</a></li>-->
</ul>
</ul>
</div><!-- /.navbar-collapse -->
</div><!-- /.container-fluid -->
</nav>
</div>
</div> <!--头部-->
底部文件footer.php
<div class="row">
<div class="col-md-12">
<nav class="navbar navbar-inverse">
</nav>
</div>
</div> <!--底部-->
</div>
</body>
</html>
注册页面login.php
<?php include 'public/header.php'?>
<div class="container">
<div class="row">
<div class="col-md-12">
<h3 class="text-center">用户注册</h3>
<form class="form-horizontal" action="register.php" method="post">
<div class="form-group">
<label for="name">用户名</label>
<input type="text" class="form-control" id="exampleInputEmail1" placeholder="用户名" name="name" value="<?php echo isset($_POST['name'])?$_POST['name']:''?>">
</div>
<div class="form-group">
<label for="email">邮箱</label>
<input type="email" class="form-control" id="email" placeholder="Email" name="email" value="<?php echo isset($_POST['email'])?$_POST['emai']:''?>">
</div>
<div class="form-group">
<label for="password1">密码</label>
<input type="password" class="form-control" id="password1" placeholder="Password" name="password1" value="<?php echo isset($_POST['password1'])?$_POST['password1']:''?>">
</div>
<div class="form-group">
<label for="password2">确认密码</label>
<input type="password" class="form-control" id="password2" placeholder="Password" name="password2" value="<?php echo isset($_POST['password2'])?$_POST['password2']:''?>">
</div>
<button type="submit" class="btn btn-primary btn-block">Submit</button>
</form>
</div>
</div>
</div>
<?php include 'public/footer.php'?>
注册处理文件register.php
//注册处理操作
<?php
/*
* 1.检测注册表单提交过来的信息
* 2.将用户信息插入到表中
* 3.对错误信息进行处理
*/
$pageTitle = '注册处理';
include 'public/header.php';
//对请求进行处理
if ($_SERVER['REQUEST_METHOD']) {
//创建一个错误信息的数组
$error = '';
//检测用户名
if (empty($_POST['name'])) {
$error[] = '没有输入用户名';
}else {
$name = trim($_POST['name']);//trim()可以删除字符串前后空格
}
//检测邮箱
if (empty($_POST['email'])) {
$error[] = '没有输入邮箱';
}else {
$email = trim($_POST['email']);//trim()可以删除字符串前后空格
}
//检测密码：密码要进行两次输入，需进行比较
if (empty($_POST['password1'])) {
$error[] = '没有输入密码';
}else {
if (empty($_POST['password2'])) {
$error[] = '没有输入校验密码';
}else {
if ($_POST['password1'] == $_POST['password2']) {
$password = trim($_POST['password1']);
} else {
$error[] = '两次密码输入不一致';
}
}
}
//检测如果出错,$error数组一定是有值的
if (empty($error)) { //为空，正确。执行插入操作
//连接数据库
require 'public/connect.php';
//创建sql
$sql = "INSERT user1 SET `name`='{$name}', `email`='{$email}',`password`=sha1('{$password}')";
//执行插入操作
if (mysqli_query($db,$sql)) {
echo '<h3>成功添加了'.mysqli_affected_rows($db).'条记录，新增主键ID'.mysqli_insert_id($db).'</h3>';//mysqli_affected_rows()返回当前受影响的记录条数 更新 插入 删除 都可以用他// mysqli_insert_id()可以返回当前新增主键的ID
} else {
echo '<h3>添加失败:'.mysqli_error($db).'</h3>';
}
} else { //不为空出错，打印出错信息
foreach ($error as $message) {
echo '<h3>'.$message.'</h3>';
}
}
}
include 'public/footer.php';
获取数据库用户文件 view.php
//获取用户列表
<?php
$pageTitle = '用户信息列表';
include 'public/header.php';
//获取到user1 里面的所有记录
//1. 连接数据库
require 'public/connect.php';
//查询操作
$sql = "SELECT * FROM user1";//获取字段信息user1
$result = mysqli_query($db,$sql);// 查询$sql 返回一个结果集
$row = [];
//判断 当前结果集是否存在
if ($result && mysqli_num_rows($result) > 0) {//如果当前结果集存在并且有数据
while ($row = mysqli_fetch_array($result,MYSQLI_ASSOC)) {//将记录解析为数组 $row一维数组
$rows[] = $row;
}
}else {
echo '数据表为空'.mysqli_error($db);
}
//释放结果集
mysqli_free_result($result);
//关闭连接
mysqli_close($db);
?>
<!--生成一个表格，把用户数据显示出来-->
<div class="container">
<div class="row">
<div class="col-md-12">
<h3 class="text-center">用户信息表</h3>
<table class="table table-bordered table-responsive text-center">
<tr>
<td>ID</td><td>姓名</td><td>邮箱</td><td>操作</td>
</tr>
<!-- php循环的替代语法，干掉大括号-->
<?php foreach ($rows as $row):?>
<tr>
<td><?php echo $row['id']?></td>
<td><?php echo $row['name']?></td>
<td><?php echo $row['email']?></td>
<td>
<a class="btn btn-primary" href="edit.php?id=<?php echo $row['id']?>" role="button">编辑</a>
<a class="btn btn-danger" href="delete.php?id=<?php echo $row['id']?>" role="button">删除</a>
</td>
</tr>
<?php endforeach; ?>
</table>
</div>
</div>
</div>
<?php include'public/footer.php';?>对用户列表项的用户进行编辑处理文件edit.php
//编辑用户信息处理
<?php
$pageTitle = '更新数据';
include 'public/header.php';
$id = $_GET['id'];//获取一下编辑的id
require 'public/connect.php';//连接数据库
$sql = "SELECT * FROM user1 WHERE id =".$id;//查询所有数据user1
$res = mysqli_query($db,$sql);//返回结果集
if ($res && mysqli_num_rows($res)>0) {
$row = mysqli_fetch_array($res,MYSQLI_ASSOC);
}
?>
<div class="container">
<div class="row">
<div class="col-md-12">
<h3 class="text-center">编辑信息</h3>
<form class="form-horizontal" action="do_edit.php?id=<?php echo $row['id'] ?>" method="post">
<div class="form-group">
<label for="name">用户名</label>
<input type="text" class="form-control" id="exampleInputEmail1" placeholder="用户名" name="name" value="<?php echo $row['name']?>"readonly>
</div>
<div class="form-group">
<label for="email">邮箱</label>
<input type="email" class="form-control" id="email" placeholder="Email" name="email" value="<?php echo $row['email'] ?>">
</div>
<button type="submit" class="btn btn-primary btn-block">保存</button>
</form>
</div>
</div>
</div>
<?php include 'public/footer.php'?>对编辑用户信息处理更新与验证do_edit.php
//编辑用户信息处理验证更新
<?php
$pageTitle = '更新';
include 'public/header.php';
//对请求进行处理
if ($_SERVER['REQUEST_METHOD']) {
//创建一个错误信息的数组
$error = '';
//用户只读不需要检查
//检测邮箱
if (empty($_POST['email'])) {
$error[] = '没有输入邮箱';
}else {
$email = trim($_POST['email']);//trim()可以删除字符串前后空格
}
//检测如果出错,$error数组一定是有值的
if (empty($error)) { //为空，正确。执行插入操作
//连接数据库
require 'public/connect.php';
//创建sql
$sql = "UPDATE user1 SET `email`='{$email}' WHERE id={$_GET['id']}";
//执行插入操作
if (mysqli_query($db,$sql)) {
echo '<h3>成功更新了'.mysqli_affected_rows($db).'条记录</h3>';//mysqli_affected_rows()返回当前受影响的记录条数 更新 插入 删除 都可以用他// mysqli_insert_id()可以返回当前新增主键的ID
} else {
echo '<h3>更新失败:'.mysqli_error($db).'</h3>';
}
} else { //不为空出错，打印出错信息
foreach ($error as $message) {
echo '<h3>'.$message.'</h3>';
}
}
}
include 'public/footer.php';对用户进行删除操作delete.php
//删除用户信息操作处理
<?php
require 'public/connect.php';
$sql = "DELETE FROM user1 WHERE id = ".$_GET['id'];
if (mysqli_query($db,$sql)) {
echo '<script> var sure=confirm( \'确认你的操作吗 \'); if (1==sure){alert( \'你选择了是 \')} else {alert( \'你选择了否 \');}</script>';//mysqli_affected_rows()返回删除几条值
} else {
echo '<script>alert("删除失败'.mysqli_affected_rows($db).'")</script>';
}
mysqli_close($db);
header('location: '.$_SERVER['HTTP_REFERER']);//返回当前页面
//<?php echo "<script> var sure=confirm( '确认你的操作吗 '); if (1==sure){alert( '你选择了是 ')} else {alert( '你选择了否 ');}</script>";?>