PHP实现简单的新闻发布系统实例

2024-05-04 23:38:11

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这篇文章主要介绍了PHP实现简单的新闻发布系统,涉及php实现新闻发布系统的sql查询、插入、更新等完整操作技巧,具有一定参考借鉴价值,需要的朋友可以参考下

本文实例讲述了PHP实现简单的新闻发布系统。分享给大家供大家参考。具体如下：

本人小白，一直在公司用模板和框架写PHP，发现有时候连基本的sql语句都忘记了，所以有空想把PHP基础复习下，巩固下。分页和搜索，以及排序，还没写，后期继续更新...(代码修改：添加搜索和分页功能)

articlePublish.html：

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

"http://www.w3.org/TR/html4/loose.dtd">

<html lang="en">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf8">

<title>Insert title here</title>

</head>

<body bgcolor="#ccc">

<form name="article" method="post" action="articlePublishDo.php" style="margin:5px 500px;">

<h1>发布新闻系统</h1>

标题：<input type="text" name="title"/><br/>

内容：<textarea cols=30 rows=5 name="content"></textarea><br/><br/>

<input type="submit" value="发布新闻"/>

</form>

</body>

</html>

articlePublishDo.php：

<?php

header("content-type:text/html;charset=utf8");

date_default_timezone_set('Asia/Shanghai');

$title=trim($_POST['title']);

$content=trim($_POST['content']);

$time=date("y-m-d H:i:s");

require_once 'init.php';

$sql="insert into article(title,content,create_time) values('$title','$content','$time')";

//echo $sql;

$re=mysql_query($sql);//执行sql语句

if($re){

echo "发布成功";

echo '<a href="articleList.php">返回文章列表</a>';

}else{

echo "发布失败";

echo '<a href="articleList.php">返回文章列表</a>';

}

mysql_close();//关闭数据库

articleList.php：

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

"http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf8">

<title>Insert title here</title>

</head>

<body>



<form method="get" action="articleList.php" style="margin:10px 400px;">

<input type="text" name="search"/>

<input type="submit" value="搜索"/>

</form>

<br/>

<table cellspacing="0" cellpadding="0" align="center" bgcolor="#ccc" width=500 >

<a href="articlePublish.html" style="padding:20px 30px">返回发布文章</a>

<tr>

<th>编号</th>

<th>文章标题</th>

<th>文章内容</th>

<th>编辑文章</th>

</tr>

<?php

require_once 'init.php';

/**

* 搜索

*/

$keyword=$_GET['search'];

/*分页*/

$sql="select count(*) from article where title like '%$keyword%' or content like '%$keyword%'";

$res=mysql_query($sql);

//$count= (int)mysql_num_rows($result);

$arr=mysql_fetch_assoc($res);

while(list($key,$val)=each($arr)){

$count = (int)$val;

}

//echo $count;

$pageSize=4;

$page=floor($count/$pageSize)+1;//总页数$page

echo $page;

//echo $page;

if(isset($_GET['page']))

{

//$currentPage = $_GET['page'];

if($_GET['page'] <=1){

$currentPage = 1;

}elseif ($_GET['page'] >= $page){

$currentPage = $page-1;

}else{

$currentPage = $_GET['page'];

}

}else

{

$currentPage=1;

}

$start = ($currentPage-1)*$pageSize;

$sql="select id,title,content from article where title like '%$keyword%' or content like '%$keyword%' limit $start,$pageSize";

//echo $sql;

$re=mysql_query($sql);//执行sql语句

while($arr=mysql_fetch_assoc($re)){

?>

<tr>

<td align="center" style="border:1px solid #000"><?php echo $arr['id'];?></td>

<input type="hidden" name="id" value="<?php echo $arr['id'];?>"/>

<td align="center" style="border:1px solid #000"><?php echo $arr['title'];?></td>

<td align="center" style="border:1px solid #000"><?php echo $arr['content'];?></td>

<td align="center" style="border:1px solid #000">

<a href="articleEdit.php?id=<?php echo $arr['id']?>"><font color="red">修改</font></a>

<a href="articleDelete.php?id=<?php echo $arr['id']?>"><font color="red">删除</font></a>

</td>

</tr>

<?php

}

mysql_close();//关闭数据库

?>

</table>

<div style="margin:20px 400px;">

共<?php echo $page?>页 |查到<?php echo $count;?>条记录

当前第<?php echo $_GET['page']?>页|

<a href="articleList.php?page=1&search=<?php echo $keyword?>">首页</a>

<a href="articleList.php?page=<?php echo ($currentPage-1)?>&search=<?php echo $keyword?>">|上一页</a>

<a href="articleList.php?page=<?php echo ($currentPage+1)?>&search=<?php echo $keyword?>">|下一页</a>

<a href="articleList.php?page=<?php echo $page?>&search=<?php echo $keyword?>">|末页</a>

</div>

</body>

</html>

articleEdit.php：

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

"http://www.w3.org/TR/html4/loose.dtd">

<html lang="en">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf8">

<title>Insert title here</title>

</head>

<body bgcolor="#ccc">

<?php

$id=(int)$_GET['id'];

require_once 'init.php';

$sql="select id,title,content from article where id = '$id'";

//echo $sql;

$re=mysql_query($sql);//执行sql语句

$arr=mysql_fetch_assoc($re);

//var_dump($arr);

mysql_close();//关闭数据库

?>

<form name="article" method="post" action="articleUpdate.php" style="margin:5px 500px;">

<h1>文章发布系统</h1>

<input type="hidden" name="id" value="<?php echo $arr['id']?>"/><br/>

标题:<input type="text" name="title" value="<?php echo $arr['title']?>"/><br/>

内容:<textarea cols=30 rows=5 name="content"><?php echo $arr['content']?></textarea><br/><br/>

<input type="submit" value="修改文章"/>

<a href="articleList.php">返回文章列表</a>

<a href="articlePublish.html">返回发布文章</a>

</form>

</body>

</html>

articleUpdate.php：

<?php

header("content-type:text/html;charset=utf8");

$arr=$_POST;

$id=(int)$arr['id'];

require_once 'init.php';

$sql="update article set title = '$arr[title]',content = '$arr[content]' where id = '$id'";

//echo $sql;

$re=mysql_query($sql);//执行sql语句

//echo $re;

if($re){

echo "修改成功";

echo "<a href='articleList.php'>返回文章列表</a>";

}else{

echo "修改失败";

echo "<a href='articleList.php'>返回文章列表</a>";

}

mysql_close();//关闭数据库

articleDelete.php：

<?php

header("content-type:text/html;charset=utf8");

require_once 'init.php';

$id=(int)$_GET['id'];

$sql="delete from article where id = '$id'";

//echo $sql;

$re=mysql_query($sql);

if($re){

echo "删除成功";

echo "<a href='articleList.php'>返回文章列表</a>";

}else{

echo "删除失败";

echo "<a href='articleList.php'>返回文章列表</a>";

}

init.php：

<?php

//连接数据库

//五步走

//往数据库添加文章

$conn=mysql_connect("localhost","root","");//链接数据库

//echo $conn;

$re=mysql_select_db("article");//选择数据库

mysql_query("set names utf8");//设置交互字符集