[img]http://img.1sucai.cn/uploads/article/2018010710/20180107100150_0_38714.jpg[/img]
留言显示页面：比上一个例子增加了分页和留言回复的功能
[img]http://img.1sucai.cn/uploads/article/2018010710/20180107100151_1_68373.jpg[/img]
主要代码：
install/index.php：程序安装页面
[url=../index.php]}else{
exit("文件写入失败");
}
fclose($fp);
}
}else{
exit("不能执行CREATE TABLE语句：".$sql_create_table);
}
}else{
exit("不能执行CREATE DATABASE语句：".$sql_create_database);
}
}else{
exit("不能执行DROP DATABASE语句：".$sql_drop_database);
}
}else{
exit("连接数据库失败，请检查MySQL主机名、用户名和密码");
}
}
生成的config.php文件：
<?php
$boardname="RUIZHINET留言本";
$host="localhost";
$user="root";
$password="";
$database="ruizhi_messageboard";
$pagenum="10";
$admin_name="admin";
$admin_password="admin";
$conn=mysql_connect($host,$user,$password);
mysql_select_db($database,$conn);
?>
index.php：程序显示页面
[url=index.php?page=1]}
if($prev_page<1){
echo "上一页 | ";
}else{
echo "<a href='index.php?page=".$prev_page."'>上一页</a> | ";
}
if($next_page>$page_count){
echo "下一页 | ";
}else{
echo "<a href='index.php?page=".$next_page."'>下一页</a> | ";
}
if($page>=$page_count){
echo "最后一页";
}else{
echo "<a href='index.php?page=".$page_count."'>最后一页</a>";
}
}
?>
</table>
<?php
}
?>
<?php
if(isset($_SESSION["admin_name"]) && $_SESSION["admin_name"]!=""){
?>
<p><a href="logout.php">退出管理</a></p>
<?php
}else{
?>
<p><a href="login.php">登陆管理</a></p>
<?php
}
?>
saveadd.php：保存留言
<?php
if(!$_POST["author"] || !$_POST["content"])
{
echo "<meta http-equiv="refresh" content="2;url=index.php">n";
echo "你没有填写留言姓名或内容，2秒钟返回首页";
exit();
}else{
$imgflag=0;
function random($length)
{
$hash = 'IMG-';
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
$max = strlen($chars) - 1;
echo (double)microtime() * 1000000;
for($i = 0; $i < $length; $i++)
{
$hash .= $chars[mt_rand(0, $max)];
}
return $hash;
}
function fileext($filename)
{
return substr(strrchr($filename, '.'), 1);
}
if($_FILES["upfile"]["name"]!=""){
$uploaddir="upfile/";
$type=array("jpg","gif","bmp","jpeg","png");
if(!in_array(strtolower(fileext($_FILES['upfile']['name'])),$type))
{
echo "<meta http-equiv="refresh" content="2;url=index.php">n";
$text=implode(",",$type);
echo "您只能上传以下类型文件: ",$text,"<br>";
exit();
}
else
{
$filename=explode(".",$_FILES['upfile']['name']);
do
{
$filename[0]=random(10);
$randname=implode(".",$filename);
$uploadfile=$uploaddir.$randname;
} while(file_exists($uploadfile));
if (move_uploaded_file($_FILES['upfile']['tmp_name'],$uploadfile)){
echo "上传图片成功";
$imgflag=1;
}
else{
echo "上传图片失败！";
$imgflag=0;
}
}
}
$author=base64_encode($_POST["author"]);
$content=base64_encode(ereg_replace("rn","<br>",htmlspecialchars($_POST["content"])));
$smiles=base64_encode($_POST["smiles"]);
if($_POST["title"]){
$title=base64_encode($_POST["title"]);
}else{
$title=base64_encode("无标题");
}
$addtime=time();
if($imgflag==1){
$photo=base64_encode($randname);
}else{
$photo="NONE";
}
//保存数据
$sql="INSERT INTO messageboard(author,title,smiles,content,photo,addtime) VALUES('$author','$title','$smiles','$content','$photo',$addtime)";
mysql_query($sql,$conn);
echo "<meta http-equiv="refresh" content="2;url=index.php">n";
echo "谢谢您的留言，2秒钟返回首页";
}
?>
savereply.php：保存回复
<?php
if(isset($_SESSION["admin_name"]) && $_SESSION["admin_name"]!="")
{
if(!$_POST["content"])
{
echo "<meta http-equiv="refresh" content="2;url=index.php">n";
echo "你没有填写回复内容，2秒钟返回首页";
exit();
}else{
$msgid=$_POST["msgid"];
$content=base64_encode(ereg_replace("rn","<br>",htmlspecialchars($_POST["content"])));
$addtime=time();
//保存数据
$sql="INSERT INTO reply(msgid,content,addtime) VALUES($msgid,'$content',$addtime)";
mysql_query($sql,$conn);
echo "<meta http-equiv="refresh" content="2;url=index.php">n";
echo "谢谢您的留言，2秒钟返回首页";
}
}
?>
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