前言
实现 登录、注册、学生信息、修改学生、删除学生、查询学生、添加学生等功能 ;
环境准备
开发平台:PhpStrom2022.1.2 、Phpstudy_pro
技术架构
Bootstrap +PHP7.3.4+html5+css3
项目结构
页面展示
2.首页
3.学生信息
4.修改学生
5.查询学生
6.添加学生
11.数据库
注意
1.MySQL 版本5.0以上与8.0以上sql语句有差异,需要调整数据库语句
学生信息管理统代码展示
一、登录界面
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<style type="text/css">
* {
margin: 0;
padding: 0;
}
body {
background: url(images/backgroud.png);
background-repeat: no-repeat;
background-size: cover;
background-attachment: fixed;
}
.Login {
width: 600px;
height: 350px;
background: rgb(168, 196, 213);
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
margin: auto;
border-radius: 10px;
padding: 20px;
box-shadow: 0 0 5px rgba(0,0,0,0.4);
}
label {
display: block;
margin-left: 10px;
}
form {
margin: 25px 140px;
}
h2 {
margin-top: 35px;
text-align: center;
font-size: 25px;
color: #000000;
}
input {
width: 220px;
height: 30px;
background: transparent;
margin-top: 30px;
border: none;
border-bottom: 1px #a77a27 solid;
outline: none;
color: #000000;
font-size: 17px;
margin-left: 10px;
}
input::-webkit-input-placeholder {
color: #c3cdd0;
}
button {
width: 98px;
height: 30px;
border: none;
margin-top: 55px;
color: white;
text-align: center;line-height: 15px;
background-image: linear-gradient(to right, #7993d4, #ca71fa);
border-radius: 15px;
cursor: pointer;
}
button:hover {
box-shadow: 0 0 5px rgba(0,0,0,0.4) inset;
}
img{
width: 27px;
height: 27px;
position: relative;
top: 9px;
}
</style>
</head>
<body>
<div class="Login">
<h2 >学生管理系统</h2>
<form action="login.php" method="post">
<label>
<img src="images/user.png">
<input type="text" name="user" placeholder="请输入用户名" required>
</label>
<label>
<img src="images/password.png">
<input type="password" name="pwd" placeholder="请输入密码" required>
</label>
<button type="submit" value="登录">登录</button>
<button type="button" id="btn" value="注册">注册</button>
<button type="button" id="btn0" value="超级管理员">超管登录</button>
</form>
</div>
<script>
var b = document.getElementById("btn");
b.onclick = function () {
window.location.href="register.html"
}
var b0 = document.getElementById("btn0");
b0.onclick = function () {
window.location.href="超级管理员/adminlogin.html"
}
</script>
</body>
</html>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<?php
header("Content-Type:text/html;charset=utf-8");
session_start();
//连接数据库
$conn = new mysqli("localhost", "root", "123456", "php",3316)or die("连接失败");
//设置编码
$conn->query("set names utf8");
$user = $_POST['user'];
$pwd = $_POST['pwd'];
$sql = "SELECT * FROM `admin` WHERE `name` = '{$user}' and `pwd` = '{$pwd}' ";
$stmt= $conn->query($sql);
$result = mysqli_fetch_array($stmt);
if($stmt->num_rows > 0){
$_SESSION['user'] = $result[0];
echo "<script>alert("登录成功!")</script>";
echo "<script>window.location.href='index.php'</script>";
}else{
echo "<script>alert("账号或密码错误,请重新输入!")</script>";
echo "<script>window.location.href='login.html'</script>";
}
二、注册页面
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<style type="text/css">
* {
margin: 0;
padding: 0;
}
body {
background: url(images/backgroud.png) no-repeat;
}
.Login {
width: 600px;
height: 400px;
background: rgb(232, 236, 223);
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
margin: auto;
border-radius: 10px;
padding: 20px;
box-shadow: 0 0 5px rgba(0,0,0,0.4);
}
label {
display: block;
margin-left: 10px;
}
form {
margin: 25px 140px;
}
h2 {
margin-top: 35px;
text-align: center;
font-size: 25px;
color: #000000;
}
input {
width: 220px;
height: 30px;
background: transparent;
margin-top: 30px;
border: none;
border-bottom: 1px #a77a27 solid;
outline: none;
color: #000000;
font-size: 17px;
margin-left: 10px;
}
input::-webkit-input-placeholder {
color: #c3cdd0;
}
button {
width: 98px;
height: 30px;
border: none;
margin-top: 50px;
margin-left: 40px;
color: white;
text-align: center;
line-height: 15px;
background-image: linear-gradient(to right, #7993d4, #ca71fa);
border-radius: 15px;
cursor: pointer;
}
button:hover {
box-shadow: 0 0 5px rgba(0,0,0,0.4) inset;
}
span {
font-size: 15px;
}
#btn > a{
text-decoration: none;
}
img{
width: 27px;
height: 27px;
position: relative;
top: 9px;
}
</style>
</head>
<body>
<div class="Login">
<h2>管理员注册</h2>
<form action="register.php" method="post">
<label>
<img src="images/user.png">
<input type="text" class="put" name="user" placeholder="请输入用户名" required>
</label>
<label>
<img src="images/password.png">
<input type="password" class="put" name="pwd1" placeholder="请输入密码" required>
</label>
<label>
<img src="images/password.png">
<input type="password" class="put" name="pwd2" placeholder="确认密码" required>
</label>
<button type="submit" value="提交">提交</button>
<button type="button" id="btn" value="返回">返回</button>
</form>
</div>
<script>
var b = document.getElementById("btn");
b.onclick = function () {
window.location.href="login.html"
}
</script>
</body>
</html>
<?php
session_start();
header("Content-Type:text/html;charset=utf-8");
//连接数据库
$conn = new mysqli("localhost", "root", "123456", "php",3316)or die("连接失败");
//设置编码
$conn->query("set names utf8");
$user = $_POST['user'];
$pwd1 = $_POST['pwd1'];
$pwd2 = $_POST['pwd2'];
$rows = "select `name` from `admin` where `name` = '{$user}'";
$stmt1= $conn->query($rows);
$row = mysqli_num_rows($stmt1);
if ($row == 1){
echo "<script>alert('此用户已存在,请重新输入!')</script>";
echo ("<script>window.location.href='register.html'</script>");
}
elseif ($pwd1 == $pwd2){
$sql = "insert into `admin` (`name`, `pwd`) value ('{$user}','{$pwd1}')";
$conn->query($sql);
echo ("<script>alert('注册成功')</script>");
echo ("<script>window.location.href='login.html'</script>");
}
else{
echo "<script>alert('密码错误,请重新输入!')</script>";
echo ("<script>window.location.href='register.html'</script>");
}
$conn->close();
三、学生信息
<?php
$conn = new mysqli("localhost", "root", "123456", "php",3316)or die("连接失败");
?>
<html>
<head>
<title>学生信息</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<!-- <link href="css/css1.css" rel="stylesheet">-->
<link href="bootstarp/dist/css/bootstrap.min.css" rel="stylesheet">
<style>
.btn-warning{
background-color: #d0455a;
}
</style>
</head>
<body>
<?php include("header.php");?>
<div class="container">
<br>
<h2 style="text-align: center;color: #3db077">学生信息展示</h2>
<br>
<table class="table table-bordered table-hover" style="text-align: center">
<tr class="info">
<th>姓名</th>
<th>学号</th>
<th>性别</th>
<th>手机号</th>
<th>班级</th>
<th>操作</th>
</tr>
<?php
$sql = "select * from `student` order by `id`";
$result = mysqli_query($conn,$sql);
if (mysqli_num_rows($result)>0) { // 若表中有数据
$number = mysqli_num_rows($result); // 取得数据笔数
if(!isset($_GET['p']))
{$p=0;}
else {$p=$_GET['p'];}
$check = $p + 8; // 每页抓取 8 笔数据
for ($i = 0; $i < $number; $i++) {// 用来呈现多笔数据的循环
$stu = mysqli_fetch_array($result);
//选取第 $p 笔到 $check 笔数据
if ($i >= $p && $i < $check) {
echo "<tr>";
echo "<td>{$stu['user']}</td>";
echo "<td>{$stu['id']}</td>";
echo "<td>{$stu['gender']}</td>";
echo "<td>{$stu['phone']}</td>";
echo "<td>{$stu['class']}</td>";
echo "<td><a href='delete.php?id={$stu['id']}' class='btn btn-warning'>删除</a>
<a href='update3.php?id={$stu['id']}' class='btn btn-warning'>修改</a></td>";
echo "</tr>";
$j = $i+1;
}
}// for循环
}
?>
</table>
<ul class="row pager" style="font-size: 16px;line-height: 30px">
<li class="col-xs-2 col-xs-push-3">
<!--- 将 p 值设为 0, 让模块从第一笔数据开始 ---->
<a href="student.php?p=0">第一页</a>
</li>
<li class="col-xs-2 col-xs-push-2" style="margin-left: 20px">
<?php
if ($p>7) { // 判断是否有上一页
$last = (floor($p/8)*8)-8;
echo "<a href='student.php?p=$last'>上一页</a>";
}
else
echo "<a class='disabled'>上一页</a>";
?>
</li>
<li class="col-xs-2 col-xs-push-1" style="margin-left: 20px">
<?php
if ($i>7 and $number>$check) // 判断是否有下一页
echo "<a href='student.php?p=$j'>下一页</a>";
else
echo "<a class='disabled'>下一页</a>";
?>
</li>
<li class="col-xs-2" style="margin-left: 30px">
<?php
if ($i>7) // 判断目前呈现的笔数之后是否还有页面
{
// 取得最后一页的第一笔数据
$final = floor($number/8)*8;
echo "<a href='student.php?p=$final'>最后一页</a>";
}
else
echo "<a class='disabled'>最后一页</a>";
?>
</li>
</ul>
</div>
</body>
</html>
四、添加页面
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>主页</title>
<link href="bootstarp/dist/css/bootstrap.min.css" rel="stylesheet">
<link href="css/css1.css" rel="stylesheet">
</head>
<body>
<?php include("header.php");?>
<div class="container">
<br>
<h2 style="text-align: center;color: #3db077">添加学生</h2>
<br>
<div>
<form action="add2.php" method="post" class="form-horizontal" role="form">
<div class="form-group">
<label for="name" class="control-label col-xs-2">姓名</label>
<div class="col-xs-8">
<input id="name" type="text" name="user" class="form-control" placeholder="请输入学生的姓名" required>
</div>
</div>
<br>
<div class="form-group">
<label for="id" class="control-label col-xs-2">学号</label>
<div class="col-xs-8">
<input id="id" type="text" name="id" class="form-control" placeholder="请输入学生的学号" required>
</div>
</div>
<br>
<div class="form-group">
<label class="control-label col-xs-2">性别</label>
<div class="col-xs-8">
<label class="radio-inline"><input type="radio" value="男" name="gender" required>男</label>
<label class="radio-inline"><input type="radio" value="女" name="gender" required>女</label>
</div>
</div>
<br>
<div class="form-group">
<label for="phone" class="control-label col-xs-2">手机号</label>
<div class="col-xs-8">
<input id="phone" type="text" name="phone" class="form-control" placeholder="请输入学生的手机号" required>
</div>
</div>
<br>
<div class="form-group">
<label for="class" class="control-label col-xs-2">班级</label>
<div class="col-xs-8">
<!-- <input id="class" type="text" name="class" class="form-control" placeholder="请输入学生的班级" required>-->
<select name="class" class="form-control">
<option value="1班">1班</option>
<option value="2班">2班</option>
<option value="3班">3班</option>
<option value="4班">4班</option>
<option value="5班">5班</option>
<option value="6班">6班</option>
<option value="7班">7班</option>
<option value="8班">8班</option>
<option value="9班">9班</option>
<option value="10班">10班</option>
</select>
</div>
</div>
<br>
<div class="form-group">
<div class="col-xs-2 col-xs-offset-4">
<input style="padding: 10px 50px" class="btn btn-success" type="submit" value="提交">
</div>
<div class="col-xs-2">
<input type="reset" style="padding: 10px 50px" class="btn btn-primary" value="重置">
</div>
</div>
</form>
</div>
</div>
</body>
</html>
<?php
session_start();
//中文编码
header("Content-Type:text/html;charset=utf-8");
//连接数据库
$conn = new mysqli("localhost", "root", "123456", "php",3316)or die("连接失败");
//设置编码
$conn->query("set names utf8");
$user = $_POST['user'];
$id = $_POST['id'];
$gender = $_POST['gender'];
$phone = $_POST['phone'];
$class = $_POST['class'];
$rows = "select `id` from `student` where `id` = '{$id}'";
$stmt1= $conn->query($rows);
$row = mysqli_num_rows($stmt1);
if ($row == 1){
echo "<script>alert('此学号已存在,请重新输入!')</script>";
echo ("<script>window.location.href='add.php'</script>");
}else{
$sql = "insert into `student` (`user`,`id`,`gender`,`phone`,`class`) value ('{$user}','{$id}','{$gender}','{$phone}','{$class}')";
$stmt= $conn->query($sql);
if ($stmt > 0){
echo ("<script>alert('添加成功')</script>");
echo ("<script>window.location.href='student.php'</script>");
}else {
echo ("<script>alert('添加失败')</script>");
echo ("<script>window.location.href='student.php'</script>");
}
}
$conn->close();
五、修改页面
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>主页</title>
<link href="bootstarp/dist/css/bootstrap.min.css" rel="stylesheet">
<link href="css/css1.css" rel="stylesheet">
</head>
<body>
<?php include("header.php");?>
<div class="container">
<br>
<h2 style="text-align: center;color: #3db077">学生信息修改</h2>
<br>
<div>
<form action="update2.php" method="post" class="form-horizontal" role="form">
<div class="form-group">
<label for="name" class="control-label col-xs-2">姓名</label>
<div class="col-xs-8">
<input id="name" type="text" name="user" class="form-control" placeholder="请输入学生的姓名" required>
</div>
</div>
<br>
<div class="form-group">
<label for="id" class="control-label col-xs-2">学号</label>
<div class="col-xs-8">
<input id="id" type="text" name="id" class="form-control" placeholder="请输入学生的学号" required>
</div>
</div>
<br>
<div class="form-group">
<label class="control-label col-xs-2">性别</label>
<div class="col-xs-8">
<label class="radio-inline"><input type="radio" value="男" name="gender" required>男</label>
<label class="radio-inline"><input type="radio" value="女" name="gender" required>女</label>
</div>
</div>
<br>
<div class="form-group">
<label for="phone" class="control-label col-xs-2">手机号</label>
<div class="col-xs-8">
<input id="phone" type="text" name="phone" class="form-control" placeholder="请输入学生的手机号" required>
</div>
</div>
<br>
<div class="form-group">
<label for="class" class="control-label col-xs-2">班级</label>
<div class="col-xs-8">
<!-- <input id="class" type="text" name="class" class="form-control" placeholder="请输入学生的班级" required>-->
<select name="class" class="form-control">
<option value="1">1班</option>
<option value="2">2班</option>
<option value="3">3班</option>
<option value="4">4班</option>
<option value="5">5班</option>
<option value="6">6班</option>
<option value="7">7班</option>
<option value="8">8班</option>
<option value="9">9班</option>
<option value="10">10班</option>
</select>
</div>
</div>
<br>
<div class="form-group">
<div class="col-xs-2 col-xs-offset-4">
<input style="padding: 10px 50px" class="btn btn-success" type="submit" value="提交">
</div>
<div class="col-xs-2">
<input type="reset" style="padding: 10px 50px" class="btn btn-primary" value="重置">
</div>
</div>
</form>
</div>
</div>
</body>
</html>
<?php
header("Content-Type:text/html;charset=utf-8");
//连接数据库
$conn = new mysqli("localhost", "root", "123456", "php",3316)or die("连接失败");
//设置编码
$conn->query("set names utf8");
$user = $_POST['user'];
$id = $_POST['id'];
$gender = $_POST['gender'];
$phone = $_POST['phone'];
$class = $_POST['class'];
$rows = "select `id` from `student` where `id` = '{$id}' and `user` = '{$user}'";
$stmt1= $conn->query($rows);
$row = mysqli_num_rows($stmt1);
if ($row != 1){
echo "<script>alert('学号不可改变,请重新输入!')</script>";
echo ("<script>window.location.href='student.php'</script>");
}else{
$sql = "update `student` set `user` = '{$user}',`gender` = '{$gender}',`phone` = '{$phone}',`class` = '{$class}' where `id` = '{$id}'";
$stmt= $conn->query($sql);
if ($stmt > 0){
echo ("<script>alert('修改成功')</script>");
echo ("<script>window.location.href='student.php'</script>");
}else {
echo ("<script>alert('修改失败')</script>");
echo ("<script>window.location.href='student.php'</script>");
}
}
$conn->close();
<?php
header("Content-Type:text/html;charset=utf-8");
//连接数据库
$conn = new mysqli("localhost", "root", "123456", "php",3316)or die("连接失败");
//设置编码
$conn->query("set names utf8");
$sql = "SELECT * FROM student WHERE id =".$_GET['id'];
$stmt = $conn->query($sql);//返回预处理对象
$stu = $stmt->fetch_array(MYSQLI_ASSOC);//返回结果集为数组
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>主页</title>
<link href="bootstarp/dist/css/bootstrap.min.css" rel="stylesheet">
<link href="css/css1.css" rel="stylesheet">
</head>
<body>
<?php include("header.php");?>
<div class="container">
<br>
<h2 style="text-align: center">学生信息修改</h2>
<br>
<div>
<form action="update2.php" method="post" class="form-horizontal" role="form">
<div class="form-group">
<label for="user" class="control-label col-xs-2">姓名</label>
<div class="col-xs-8">
<input id="user" type="text" name="user" class="form-control" value="<?php echo $stu['user']?>" placeholder="请输入学生的姓名" required>
</div>
</div>
<br>
<div class="form-group">
<label for="id" class="control-label col-xs-2">学号</label>
<div class="col-xs-8">
<input id="id" type="text" name="id" class="form-control" value="<?php echo $stu['id']?>" placeholder="请输入学生的学号" required>
</div>
</div>
<br>
<div class="form-group">
<label class="control-label col-xs-2">性别</label>
<div class="col-xs-8">
<label class="radio-inline"><input type="radio" value="男" name="gender" required>男</label>
<label class="radio-inline"><input type="radio" value="女" name="gender" required>女</label>
</div>
</div>
<br>
<div class="form-group">
<label for="phone" class="control-label col-xs-2">手机号</label>
<div class="col-xs-8">
<input id="phone" type="text" name="phone" class="form-control" value="<?php echo $stu['phone']?>" placeholder="请输入学生的手机号" required>
</div>
</div>
<br>
<div class="form-group">
<label for="class" class="control-label col-xs-2">班级</label>
<div class="col-xs-8">
<!-- <input id="class" type="text" name="class" class="form-control" value="--><?php //echo $stu['class']?><!--" placeholder="请输入学生的班级" required>-->
<select name="class" class="form-control" value="<?php echo $stu['class']?>" >
<option value="1班">1班</option>
<option value="2班">2班</option>
<option value="3班">3班</option>
<option value="4班">4班</option>
<option value="5班">5班</option>
<option value="6班">6班</option>
<option value="7班">7班</option>
<option value="8班">8班</option>
<option value="9班">9班</option>
<option value="10班">10班</option>
</select>
</div>
</div>
<br>
<div class="form-group">
<div class="col-xs-2 col-xs-offset-4">
<input style="padding: 10px 50px" class="btn btn-success" type="submit" value="提交">
</div>
<div class="col-xs-2">
<input type="reset" style="padding: 10px 50px" class="btn btn-primary" value="重置">
</div>
</div>
</form>
</div>
</div>
</body>
</html>
六、删除
<?php
header("Content-Type:text/html;charset=utf-8");
//连接数据库
$conn = new mysqli("localhost", "root", "123456", "php",3316)or die("连接失败");
//设置编码
$conn->query("set names utf8");
$id = $_GET['id'];
echo $id;
$sql = "delete from `student` where `id` = '{$id}'";
$stmt= $conn->query($sql);
if ($stmt > 0){
echo "<script>alert('删除成功')</script>";
echo "<script>window.location.href='student.php'</script>";
}else {
echo ("<script>alert('删除失败')</script>");
echo ("<script>window.location.href='student.php'</script>");
}
$conn->close();
七、查询页面
<?php
$conn = new mysqli("localhost", "root", "123456", "php", 3316) or die("连接失败");
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link href="css/css1.css" rel="stylesheet">
<title>主页</title>
<link href="bootstarp/dist/css/bootstrap.min.css" rel="stylesheet">
<style type="text/css">
th {
text-align: center;
}
label {
font-size: 17px;
}
</style>
</head>
<?php include("header.php");?>
<div class="container">
<br>
<h2 style="text-align: center;color: #3db077">学生信息查询</h2>
<br>
<form method="get" action="#" class="form-horizontal" role="form">
<div class="form-group">
<label for="name" class="control-label col-xs-2 col-xs-offset-2">请输入要查询的姓名</label>
<div class="col-xs-4">
<input id="name" type="text" name="user" class="form-control" placeholder="请输入姓名">
</div>
<input style="padding: 7px 30px;border-radius: 5px;border: none" class="col-xs-1 btn-success" type="submit"
name="select" value="查询">
</div>
</form>
<table class="table table-bordered table-hover" style="margin-top: 30px; text-align: center">
<tr class="info">
<th>姓名</th>
<th>学号</th>
<th>性别</th>
<th>手机号</th>
<th>班级</th>
</tr>
<?php
//名字模糊查询
if (isset($_GET['select'])) {
$user = $_GET['user'];
$sql = "select * from student where student.user like '%$user%'";
$result = $conn->query($sql);
while ($row = $result->fetch_assoc()) {
echo "<tr>";
echo "<td>" . $row['user'] . "</td>";
echo "<td>" . $row['id'] . "</td>";
echo "<td>" . $row['gender'] . "</td>";
echo "<td>" . $row['phone'] . "</td>";
echo "<td>" . $row['class'] . "</td>";
echo "</tr>";
}
}
?>
</table>
</div>
</body>
</html>
八、头部代码
<?php
$conn = new mysqli("localhost", "root", "123456", "php", 3316) or die("连接失败");
session_start();
?>
<html>
<head>
<title>主页</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link href="css/css1.css" rel="stylesheet">
<link href="bootstarp/dist/css/bootstrap.min.css" rel="stylesheet">
<style>
button {
top: 7px;
right: 15px;
}
th {
text-align: center;
}
.container {
width: 1200px;
}
.row {
line-height: 50px;
}
.btn-warning {
background-color: #d0455a;
}
body {
background-image: url("images/backgroud.png");
background-repeat: no-repeat;
background-size: cover;
background-attachment: fixed;
}
</style>
</head>
<body>
<div class="container">
<div class="row" style="background-color: #2e7ad5;color: white">
<div style="font-size: 20px" class="col-xs-3">学生管理系统</div>
<a href="index.php"><span class="col-xs-1">首页</span></a>
<a href="student.php"><span class="col-xs-1">学生信息</span></a>
<a href="update.php"><span class="col-xs-1">修改学生</span></a>
<a href="select.php"><span class="col-xs-1">查询学生</span></a>
<a href="add.php"><span class="col-xs-1">添加学生</span></a>
<span style="left: 60px" class="col-xs-2 col-xs-offset-1">管理员:<?php echo $_SESSION['user'] ?></span>
<a href="login.html">
<button class="col-xs-1 btn btn-danger">退出</button>
</a>
</div>
</div>
</body>
</html>
原文地址:https://blog.csdn.net/qq_43596041/article/details/129111230
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