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PHP写简单的新闻发布系统

WBOYOriginal: 2016-06-06 19:37:471207browse

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）无 !DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transi

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）

<!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>

<?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

<!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>
<!--
	搜索框
-->
	<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>

<!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>

<?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

<?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>";
	}

<?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

	文章发布系统
1.articlePublish.html 发布文章页面	提交到articlePublishDo.php页面,执行写入数据库
2.articleList.php    文章列表页面       
3.点击编辑,修改文章  	              提交到    		aiticleEdit.php 表单页面（回显）
4.点击修改文章按钮		   提交到		articleUpdate.php 

(1)init.php页面公共配置

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