由于前段时间过于忙碌，加上小编有重装了电脑系统，一直没有去复现这个功能，后面复现过程中，代码做了一些调整。今天我将完整版的代码和sql文件代码整理出来，供各位学习参考。
1.数据库SQL文件
index.php
<html>
<head>
<title>登陆</title>
<meta charset="UTF-8">
<link rel="stylesheet" type="text/css" href="./css/index1.css">
<style>
body{height:100%;}
</style>
</head>
<body style="background: url(./images/timg7.jpg);">
<div class="index_01">
<table style="width: 100%;height:100%;" >
<tr>
<td align="center" >
<table align="center" width=350 height=230; class="index_table" >
<form method ="POST" action = "doloadling.php" name="frmLogin">
<tr align="center" style="font-size:25px;">
<td colspan="2" style="font-size:35px;">用户登陆</td>
</tr>
<tr>
<td align="center" style="font-size:25px;">用户名</td>
<td><input type="name" maxlength="16" name="uid" placeholder="请输入账号" style="width:180px;font-size:20px;border-radius: 8px; "></td>
</tr>
<tr>
<td align="center" style="font-size:25px;">密 码</td>
<td><input name="password" type="password" maxlength="16" placeholder="请输入密码" style="width:180px;font-size:20px;border-radius: 8px; "></td>
</tr>
<tr align="center">
<td colspan="2">
<input type="submit" name="denglu" value="登陆" class="btn">
<input type="reset" name="rs" value="重置" class="btn">
<input type="button" name="zu" value="注册" onclick="window.location.href='register.php'" class="btn"/>
</td>
</tr>
</form>
</table>
</td>
</tr>
</table>
</div>
</body>
</html> doloadling.php
<?php
require_once "connet.php";
require_once 'mysqlconfig.php';
$id=$_POST['uid'];
session_start();
$_SESSION["uid"]=$id;
$password=$_POST['password'];
$ma1=new DB();
$link=$ma1->connect();
$sql = "select * from tbl_ms where username='$id' and password='$password'";
$res = $ma1->CheckUser($link,$sql);
if($res){
header("Location:add.php");
};
if(!$res){
echo "<script>alert('登录失败，账号或密码错误');location='index.php';</script>";
};
?>register.php
<html>
<head>
<title>注册</title>
<meta charset="UTF-8">
<link rel="stylesheet" type="text/css" href="./css/index1.css">
<style>
body{height:100%;}
</style>
</head>
<body style="background: url(./images/timg7.jpg)">
<div class="index_01" >
<table style="width: 100%;height:100%;" >
<tr>
<td align="center" >
<form action="doregister.php " name="dl" method="post">
<table align="center" width=350 height=230; style="font-family:宋体;font-size:25px;">
<tr align="center">
<td colspan="2" style="font-size:35px;">注册用户</td>
</tr>
<tr>
<td align="center">用户名</td>
<td>
<input type="name" maxlength="20" name="id" placeholder="手机号/邮箱" style="width:180px;font-size:20px;border-radius: 8px; ">
</td>
</tr>
<tr>
<td align="center">密 码</td>
<td >
<input name="password" type="password" maxlength="16" placeholder="请输入密码" style="width:180px;font-size:20px;border-radius: 8px; ">
</td>
</tr>
<tr>
<td align="center">Again</td>
<td>
<input name="confirmPassword" type="password" maxlength="16" placeholder="请再次输入密码" style="width:180px;font-size:20px;border-radius: 8px; ">
</td>
</tr>
<tr>
<td colspan="2" align="center">
<input type="button" name='zu' value='登陆' onclick="location.href='index.php'" style="font-size:17px;border-radius: 12px;" class="btn"/>
<input type="reset" name="zu" value="重置" style="font-size:17px;border-radius: 12px;" class="btn">
<input type="submit" name="zu" value="注册" style="font-size:17px;border-radius:12px;" class="btn"/>
</td>
</tr>
</table>
</form>
</td>
</tr>
</table>
</div>
</body>
<html>
doregister.php
<?php
require_once "connet.php";
require_once 'mysqlconfig.php';
$ma1=new DB();
$link=$ma1->connect();
$id=$_POST['id'];
$password=$_POST['password'];
$confirmPassword=$_POST['confirmPassword'];
if($password!=$confirmPassword){
echo "<script>alert('输入的密码和确认的密码不相等');location='register.php';</script>";;
}
$alt="select * from tbl_ms where username='$id'";
$res = $ma1->print1($link,$alt);
if($id!=null&&$password!=null){
$ma=new DB();
$link=$ma->connect();
$sql = "insert into tbl_ms (username,password) values('$id','$password')";
for ($i=0; $i < count($res); $i++) {
if($id!=$res[$i]['username']){
$res = $ma->insert($link,$sql);
};
if($id==$res[$i]['username']){
echo "<script>alert('注册失败，该账号已被注册！');location='register.php';</script>";
}
}
}
else{
echo "<script>alert('注册失败，请输入账号和密码');location='register.php';</script>";
}
?>
add.php
<?php
header('Content-type: text/html; charset=UTF8');
?>
<html>
<head>
<link rel="stylesheet" type="text/css" href="./css/index1.css">
<title>我的留言板.添加留言</title>
</head>
<body background="./images/7.jpg" style="background-size:cover;" >
<center>
<h2>我的留言板</h2>
<input type = "button" value = "添加留言" onclick="location.href='add.php'" class="button"/>
<input type = "button" value = "查看留言" onclick="location.href='show.php'" class="button"/>
<input type = "button" value = "退出登陆" onclick="location.href='index.php'" class="button"/>
<hr width = "70%">
</center>
<div class="k1">
<form action = "doAdd.php" method = "post">
<h1>Add A Message
<span>What's New To Share With You。</span>
</h1>
<label>
<span>Your Name :</span>
<input type="text" name="author" placeholder="Your Full Name" />
</label>
<label>
<span>Title :</span>
<input type="text" name="title" placeholder="Please input title" />
</label>
<label>
<span>Message :</span>
<textarea name="content" placeholder="Your Message to Us"></textarea>
</label>
<div style="margin-left:125px">
<input type="submit" value="提交" class="submit">
<input type = "reset" value = "重置" class="reset">
</div>
</div>
</form>
</body>
</html>
doAdd.php
<?php
session_start();
$id=$_SESSION["uid"];
$title = $_POST["title"];
$author = $_POST["author"];
$_SESSION["authorl"]=$author;
$content = $_POST["content"];
$ip = $_SERVER["REMOTE_ADDR"];
require_once "connet.php";
require_once 'mysqlconfig.php';
$ma1=new DB();
$link=$ma1->connect();
$sql = "insert into tbl_ms1 (user,title,author,ip,liuyan,time) values('$id','$title','$author','$ip','$content',now())";
if($title!=null){
if($author!=null){
$res = $ma1->insertl($link,$sql);
};
if($author==null){
echo "<script>alert('请输入留言者！');location='add.php';</script>";
};
};
if($title==null){
echo "<script>alert('请输入留言标题！');location='add.php';</script>";
};
?>show.php
<?php
header('Content-type: text/html; charset=UTF8');
?>
<html>
<head>
<title>我的留言板.查看留言</title>
<link rel="stylesheet" type="text/css" href="./css/index1.css">
</head>
<body background="./images/7.jpg" style="background-size:cover;background-attachment: fixed;" >
<center>
<h2>我的留言板</h2>
<input type = "button" value = "添加留言" onclick="location.href='add.php'" class="button"/>
<input type = "button" value = "查看留言" onclick="location.href='show.php'" class="button"/>
<input type = "button" value = "退出登陆" onclick="location.href='index.php';logout()" class="button"/>
<hr width = "70%">
</center>
<?php
//数据库连接
$con = @mysqli_connect("127.0.0.1","root","1728aceAB7","my1");
if(!$con){
die("数据库连接错误".mysqli_connect_error());
}
mysqli_query($con,"set names 'utf8'");
//显示每页的留言数
$pagesize = 8;
//确定页数p参数
@$p = $_GET['p']?$_GET['p']:1;
//数据指针
$offset = ($p-1)*$pagesize;
//查询本页现实的数据
session_start();
$id=$_SESSION["uid"];
$query_sql = "select * from tbl_ms1 where user= '$id' order by user desc limit $offset,$pagesize";
# echo $query_sql;
$result = mysqli_query($con,$query_sql);
/*if (!$result) {
printf("Error: %s\n", mysqli_error($con));
exit();
}*/
//循环输出
echo "<div style='margin-top:55px'>";
while($res = mysqli_fetch_array($result)){
echo "<div class='k'>";
echo "<div class='ds-post-main'>";
echo "<div class='ds-comment-body'>
<span>{$res['author']} 于 {$res['time']} 给我留言</span>
<span style='float:right'><a href = 'del.php?id=".$res['user']."'><input type='submit' class='button1' value='删除'></input></a></span>
<p>留言主题 : {$res['title']} 留言地址 : <span>{$res['ip']}</span></p>
<hr width=450px>
<p>{$res['liuyan']}</p></div><br>";
echo "</div>";
echo "</div>";
}
echo "</div>";
//分页代码
//计算留言总数
$count_result = mysqli_query($con,"select count(*) as count from tbl_ms1 where user= '$id'");
$count_array = mysqli_fetch_array($count_result);
//计算总的页数
$pagenum = ceil($count_array['count']/$pagesize);
//echo '共',$count_array['count'],'条留言';
//echo '共',$pagenum,'页';
echo "<center>";
echo "<div style='display: inline-block;margin-right: 15px;margin-left:15px;'>",'共',$count_array['count'],'条留言','</div>';
echo "<div style='display: inline-block;margin-right: 15px;margin-left:15px;'>",'共',$pagenum,'页','</div>';
//循环输出个页数及链接
if($pagenum>1){
for($i = 1;$i<=$pagenum;$i++){
if($i == $p){
echo "<div style='background:#e8ffc4;width:25px;display: inline-block;margin-right: 10px;'>",$i,"</div>";
}else{
//echo '<a href="show.php?p=',$i,'">',$i,'</a>';
echo '<a href="show.php?p=',$i,'">',"<div style='width:25px;display: inline-block;margin-right: 10px;background:#FF9D6F'>",$i,'</div>','</a>';
}
}
echo "<div style='display: inline-block;margin-right: 10px;'>",'当前在 ',$p, ' 页',"</center></div>";
}
echo "<br>";
echo "<br>";
echo "<br>";
echo "</div>";
?>
<script type="text/javascript">
function logout(){
<%
session.invalidate(); //运用invalidate()比较好，退出时使session失效
%>
}
</script>
</body>
</html> del.php
<?php
header("content-type:text/html;charset=utf-8");
session_start();
require_once "connet.php";
require_once 'mysqlconfig.php';
$ma1=new DB();
$link=$ma1->connect();
$id = $_GET['id'];
//session_start();
//$id=$_SESSION["uid"];
if($link){
$sql="delete from tbl_ms1 where id =$id ";
//echo "$sql";
$que=mysqli_query($link,$sql);
if($que){
echo "<script>alert('删除成功，返回首页');location='show.php';</script>";
}else{
echo "<script>alert('删除失败');location='show.php'</script>";
exit;
}
}
?>connet.php
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<?php
define('DB_HOST', 'localhost');
define('DB_USER', 'root');
define('DB_PWD', '17Bdda7'); //我数据库密码
define('DB_CHARSET', 'UTF8');
define('DB_DBNAME', 'my1');
?>
mysqlconfig.php
<?php
class DB{
function connect(){
@$link = mysqli_connect(DB_HOST,DB_USER,DB_PWD);//连接数据库
mysqli_set_charset($link,DB_CHARSET);//设置数据库字体格式
mysqli_select_db($link,DB_DBNAME) or die('数据库打开失败');//选择数据库
if(mysqli_connect_errno())
{
die('数据库连接失败 : '.mysqli_connect_errno());
}
return $link;
}
function insert($link,$sql){
if (mysqli_query($link, $sql)) {
echo "<script language='javascript'> alert('注册成功!');location='index.php'; </script>";
} else {
echo "Error insert data: " . $link->error;
}
}
function CheckUser($link,$sql){
$result = mysqli_query($link,$sql);
$row = mysqli_num_rows($result);
if($row != 0){
return true;
}
else{
return false;
}
}
function insertl($link,$sql){
if (mysqli_query($link, $sql)) {
echo "<script language='javascript'> alert('留言成功!');location='show.php'; </script>";
} else {
echo "Error insert data: " . $link->error;
}
}
function print1($link,$sql){
$result = mysqli_query($link,$sql);
$data = array();
while ($row = mysqli_fetch_array($result)) {
$data[] = $row;
}
if ($data) {
return $data;
} else {
return false;
}
}
}
?>
sql文件
/*
Navicat MySQL Data Transfer
Source Server : MySQL
Source Server Version : 50617
Source Host : localhost:3306
Source Database : my1
Target Server Type : MYSQL
Target Server Version : 50617
File Encoding : 65001
Date: 2018-11-06 22:53:31
*/
SET FOREIGN_KEY_CHECKS=0;
-- ----------------------------
-- Table structure for tbl_ms
-- ----------------------------
DROP TABLE IF EXISTS `tbl_ms`;
CREATE TABLE `tbl_ms` (
`username` varchar(25) NOT NULL,
`password` varchar(25) NOT NULL,
PRIMARY KEY (`username`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-- ----------------------------
-- Table structure for tbl_ms1
-- ----------------------------
DROP TABLE IF EXISTS `tbl_ms1`;
CREATE TABLE `tbl_ms1` (
`user` varchar(25) NOT NULL,
`title` varchar(225) DEFAULT NULL,
`author` varchar(25) DEFAULT NULL,
`ip` varchar(25) DEFAULT NULL,
`liuyan` varchar(225) DEFAULT NULL,
`time` time DEFAULT NULL,
KEY `user` (`user`),
CONSTRAINT `tbl_ms1_ibfk_1` FOREIGN KEY (`user`) REFERENCES `tbl_ms` (`username`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
css文件
index1.css
.btn {
color: white;
background-color: #2579d1;
padding: 0px 1em;
height: 35px;
font-size:17px;
border-radius: 12px;
/* border: 0px solid black;*/
}
.btn:hover {
background-color: #00ff00;
}
.index_01{
height: 400px;width: 400px;
margin:auto;
position: absolute;top: 0;
left: 0;right: 0;bottom: 0;
border-radius: 50%;
background-color: rgba(50,150,550,0.5);
font-family:宋体;
}
div.k1 {
margin-top:55px;
margin-left:auto;
margin-right:auto;
max-width: 500px;
background: #D2E9FF;
padding: 20px 20px 20px 20px;
color: #666;
}
h1 {
font: 24px "Trebuchet MS", Arial, Helvetica, sans-serif;
padding: 10px 10px 10px 20px;
display: block;
background: #C0E1FF;
border-bottom: 1px solid #B8DDFF;
margin: -20px -20px 15px;
}
h1>span {
display: block;
font-size: 14px;
}
label {
display: block;
margin: 0px 0px 5px;
}
label>span {
float: left;
width: 22%;
text-align: right;
padding-right: 15px;
margin-top: 10px;
font-weight: bold;
}
input[type="text"],textarea,select {
color: #888;
width: 70%;
padding: 0px 0px 0px 5px;
border: 1px solid #C5E2FF;
background: #FBFBFB;
outline: 0;
-webkit-box-shadow:inset 0px 1px 6px #ECF3F5;
box-shadow: inset 0px 1px 6px #ECF3F5;
font: 200 12px/25px "Trebuchet MS", Arial, Helvetica, sans-serif;
height: 30px;
line-height:15px;
margin: 2px 6px 16px 0px;
}
textarea{
height:100px;
padding: 5px 0px 0px 5px;
width: 70%;
}
.button,.reset,.submit,.button1{
padding: 10px 30px 10px 30px;
background: #66C1E4;
border: none;
color: #FFF;
box-shadow: 1px 1px 1px #4C6E91;
-webkit-box-shadow: 1px 1px 1px #4C6E91;
-moz-box-shadow: 1px 1px 1px #4C6E91;
text-shadow: 1px 1px 1px #5079A3;
}
.button:hover,.reset:hover,.submit:hover,.button1:hover{
background: #9AFF02;
}
.wrapper {
width: 600px;
margin: 0 auto;
}
.ds-post-main {
position: relative;
width: 500px;
margin-left: auto;
margin-right: auto;
}
.ds-comment-body {
z-index: 1;
position: relative;
left: 0;
background: #F0F0E3;
padding: 15px 15px 15px 30px;
color: #696A52;
border-radius: 5px;
box-shadow: 0 1px 2px rgba(0,0,0,.15), 0 1px 0 rgba(255,255,255,.75) inset;
}
.ds-comment-body {
color: #696A52;
}
.ds-avatar {
z-index: 2;
position: absolute;
top: 48px;
left: -20px;
padding: 5px;
width: 36px;
height: 36px;
border-radius: 50%;
box-shadow: -1px 0 1px rgba(0,0,0,.15) inset;
}
.ds-avatar a {
display: block;
padding: 1px;
width: 32px;
height: 32px;
border: 1px solid #B9BAA6;
border-radius: 50%;
background-color: #fff;
-moz-transition: color 0.15s linear;
-webkit-transition: color 0.15s linear;
transition: color 0.15s linear;
}
a {
text-decoration: none;
}
文件结构（.bak是备份文件，不用理会）
