PHP实现简单的新闻发布系统实例

发布新闻系统

文章发布系统

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PHP实现简单的新闻发布系统实例_PHP

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May 30, 2016 am 08:46 AM

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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 id="发布新闻系统">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>

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articlePublishDo.php：

<&#63;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

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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>
<!--
 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>
  <&#63;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)){
  &#63;> 
    <tr>
     <td align="center" style="border:1px solid #000"><&#63;php echo $arr['id'];&#63;></td>
     <input type="hidden" name="id" value="<&#63;php echo $arr['id'];&#63;>"/>
     <td align="center" style="border:1px solid #000"><&#63;php echo $arr['title'];&#63;></td>
     <td align="center" style="border:1px solid #000"><&#63;php echo $arr['content'];&#63;></td>
     <td align="center" style="border:1px solid #000">
      <a href="articleEdit.php&#63;id=<&#63;php echo $arr['id']&#63;>"><font color="red">修改</font></a>
      <a href="articleDelete.php&#63;id=<&#63;php echo $arr['id']&#63;>"><font color="red">删除</font></a>
     </td>
    </tr>
  <&#63;php 
    }
   mysql_close();//关闭数据库
  &#63;>
 </table>
 <div style="margin:20px 400px;">
  共<&#63;php echo $page&#63;>页 |查到<&#63;php echo $count;&#63;>条记录
  当前第<&#63;php echo $_GET['page']&#63;>页|
  <a href="articleList.php&#63;page=1&search=<&#63;php echo $keyword&#63;>">首页</a>
  <a href="articleList.php&#63;page=<&#63;php echo ($currentPage-1)&#63;>&search=<&#63;php echo $keyword&#63;>">|</a>
  <a href="articleList.php&#63;page=<&#63;php echo $page&#63;>&search=<&#63;php echo $keyword&#63;>">|末页</a>
 </div>
</body>
</html>

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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">
<&#63;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
    
&#63;>
 <form name="article" method="post" action="articleUpdate.php" style="margin:5px 500px;">
   <h1 id="文章发布系统">文章发布系统</h1>
   <input type="hidden" name="id" value="<&#63;php echo $arr['id']&#63;>"/><br/>
  标题:<input type="text" name="title" value="<&#63;php echo $arr['title']&#63;>"/><br/>
  内容:<textarea cols=30 rows=5 name="content"><&#63;php echo $arr['content']&#63;></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>

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articleUpdate.php：

<&#63;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

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articleDelete.php：

<&#63;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>";
 }

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init.php：

<&#63;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

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基础知识总结：

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

希望本文所述对大家的php程序设计有所帮助。

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