php - 小型微博系統

時間 2019-11-12

標籤 php 小型微博系統欄目 PHP 简体版

原文原文鏈接

效果：javascript

數據庫：php

項目結構：html

add.php : 添加微博。java

conn.php : 數據庫配置文件。mysql

delete.php : 刪除博客代碼。sql

disinfo.php : 顯示微博詳細信息。數據庫

index.php: 主頁。服務器

update.php：編輯微博。post

add.php:fetch

<?php
	//引入數據庫鏈接文件
	require('conn.php');

	//判斷是否提交數據
	if(!empty($_POST['sub'])) {
		//接收數據
		$title = $_POST['title'];
		$content = $_POST['content'];
		
		//判斷時候填寫信息
		if($title == '' || $content == '') {
			echo '請填寫完整信息！';
			exit();
		}
		
		//SQL語句
		$sql = "INSERT INTO `tb_article` (`title`, `datetime`, `content`) VALUES ('$title',now(),'$content')";
		
		//執行並判斷是否執行成功
		if(@mysql_query($sql) or die('SQL執行異常！')){
			echo '<script language=javascript>alert("發表成功！");window.location.replace("index.php")</script>';
		}
	}
	
?>
<html>
	<head>
		<meta charset="UTF-8">
		<title>添加微博</title>
	</head>
	<body>
		<a href= "index.php">返回首頁</a><br/>
		<form action="add.php" method="POST">
			標題：<input type="text" name="title" /><br/>
			內容：<textarea rows="3" name="content"></textarea><br/>
			<input type="submit" name="sub" value="發表"/>
		</form>
	</body>
</html>

conn.php:

<?php
	//鏈接數據庫服務器
	@mysql_connect('localhost:3306','root','123456') or die('鏈接數據庫服務器失敗！');

	//選擇數據庫
	@mysql_select_db('db_weibo') or die('選擇數據庫失敗！');
	
	//設置編碼
	@mysql_query("SET NAMES 'UTF8'") or die('數據庫編碼錯誤！');
?>

delete.php:

<?php
	//引入數據庫鏈接
	require('conn.php');
	
	//接收index.php頁面傳遞過來的id
	if(!empty($_GET['id'])) {
		//接收數據
		$id = $_GET['id'];
		
		//SQL語句
		$sql = "DELETE FROM `tb_article` WHERE ID = '$id' limit 1";
		
		//執行
		if(@mysql_query($sql) or die('SQL語句執行失敗！')) {
			echo '<script >alert("刪除成功！");window.location.replace("index.php")</script>';
			exit();
		}
	}
?>

disinfo.php:

<?php
	//引入數據庫鏈接文件
	require('conn.php');
	
	//接收id
	if(!empty($_GET['id'])) {
		//接收數據
		$id = $_GET['id'];
		
		//SQL語句
		$sql = "SELECT * FROM `tb_article` WHERE id = '$id' limit 1";
	
		//獲取資源句柄
		$queryhandle = @mysql_query($sql) or die('SQL執行失敗！');	
		
		//獲取一行數據
		$result = mysql_fetch_array($queryhandle,MYSQL_ASSOC);
		
		//SQL語句(修改點擊量)
		$sql = "UPDATE `tb_article` SET `click` = `click`+1 WHERE id = '$id'";
		
		//執行並判斷是否執行成功
		@mysql_query($sql) or die('SQL執行異常！');
	}
?>
<html>
	<head>
		<meta charset="UTF-8">
		<title>微博信息內容</title>
	</head>
	<body>
		<a href= "index.php">返回首頁</a><br/>
		標題：<?php echo $result['title'] ?>  <br/>
		時間：<?php echo $result['datetime'] ?>  <br/>
		點擊量：<?php echo $result['click'] ?>  <br/>
		內容：<?php echo $result['content'] ?>  <br/>
	</body>
</html>

index.php:

<?php
	//引入數據庫鏈接文件
	require('conn.php');
	
	//獲取搜索字段
	$keys = $_POST['keys'];
 
	//判斷是否有值
	if(empty($keys)) {
		$s = '';
	} else {
		$s = "  where `title` like '%$keys%'";
	}
 
	//獲取數據庫數據
	//SQL語句
	$sql = "select * from `tb_article`".$s;
	
	//獲取資源句柄
	$queryhandle = @mysql_query($sql) or die('SQL執行失敗！');	
	
	//獲取總條數
	$totalnum = "SELECT COUNT(*) FROM `tb_article`";
	$querytotal = mysql_query($totalnum);
	$totlnum = mysql_fetch_array($querytotal);
?>
<html>
	<head>
		<meta charset="UTF-8">
		<title>添加微博</title>
	</head>
	<body>
		<a href= "add.php">添加微博</a>
		<hr/>
			<form action="index.php" method = "post">
				<input type="text" name = "keys" />
				<input type = "submit" name = "search" value="搜索" />
			</form>
		<hr/>
		<!-- 循環顯示數據庫內容 -->
		<?php while($result = mysql_fetch_array($queryhandle,MYSQL_ASSOC)) { ?>
			<h3>標題：<a href = "disinfo.php?id=<?php echo $result['id'] ?>"><?php echo $result['title'] ?></a>  
　　　　　　　　 |  <a href = "update.php?id=<?php echo $result['id'] ?>"> 編輯 </a> | <a href = "delete.php?id=<?php echo $result['id'] ?>"> 刪除 </a> |</h3>
			<h3>時間：<?php echo $result['datetime'] ?> </h3>
			<h3>點擊量：<?php echo $result['click'] ?> </h3>
			<p><?php echo $result['content'] ?> </p>
			<hr/>
		<?php } ?>
	</body>
</html>

update.php:

<?php
	//引入數據庫鏈接文件
	require('conn.php');
	
	//接收id
	if(!empty($_GET['id'])) {
		//接收數據
		$id = $_GET['id'];
		
		//SQL語句
		$sql = "SELECT * FROM `tb_article` WHERE id = '$id' limit 1";
	
		//獲取資源句柄
		$queryhandle = @mysql_query($sql) or die('SQL執行失敗！');	
		
		//獲取一行數據
		$result = mysql_fetch_array($queryhandle,MYSQL_ASSOC);
	}
	

	//判斷是否提交數據
	if(!empty($_POST['sub'])) {
		//接收數據
		$hid = $_POST['hid'];
		$title = $_POST['title'];
		$content = $_POST['content'];
		
		//判斷時候填寫信息
		if($title == '' || $content == '') {
			echo '請填寫完整信息！';
			exit();
		}
		
		//SQL語句
		$sql = "UPDATE `tb_article` SET `title` = '$title', `content` = '$content' WHERE id = '$hid'";
		
		//執行並判斷是否執行成功
		if(@mysql_query($sql) or die('SQL執行異常！')){
			echo '<script language=javascript>alert("修改爲功！");window.location.replace("index.php")</script>';
		}
	}
	
?>
<html>
	<head>
		<meta charset="UTF-8">
		<title>添加微博</title>
	</head>
	<body>
		<a href= "index.php">返回首頁</a><br/>
		<form action="update.php" method="POST">
			<input type = "hidden" name = "hid" value = "<?php echo $result['id'] ?>">
			標題：<input type="text" name="title" value="<?php echo $result['title'] ?>" /><br/>
			內容：<textarea rows="3" name="content"><?php echo $result['content'] ?></textarea><br/>
			<input type="submit" name="sub" value="發表"/>
		</form>
	</body>
</html>