效果：
数据库：
项目结构：
add.php : 添加微博。
conn.php : 数据库配置文件。
delete.php : 删除博客代码。
disinfo.php : 显示微博详细信息。
index.php: 主页。
update.php：编辑微博。
add.php:
<?php
//引入数据库连接文件
require('conn.php');
//判断是否提交数据
if(!empty($_POST['sub'])) {
//接收数据
$title = $_POST['title'];
$content = $_POST['content'];
//判断时候填写信息
if($title == '' || $content == '') {
echo '请填写完整信息！';
exit();
}
//SQL语句
$sql = "INSERT INTO `tb_article` (`title`, `datetime`, `content`) VALUES ('$title',now(),'$content')";
//执行并判断是否执行成功
if(@mysql_query($sql) or die('SQL执行异常！')){
echo '<script language=javascript>alert("发表成功！");window.location.replace("index.php")</script>';
}
}
?>
<html>
<head>
<meta charset="UTF-8">
<title>添加微博</title>
</head>
<body>
<a href= "index.php">返回首页</a><br/>
<form action="add.php" method="POST">
标题：<input type="text" name="title" /><br/>
内容：<textarea rows="3" name="content"></textarea><br/>
<input type="submit" name="sub" value="发表"/>
</form>
</body>
</html>
conn.php:
<?php
//连接数据库服务器
@mysql_connect('localhost:3306','root','123456') or die('连接数据库服务器失败！');
//选择数据库
@mysql_select_db('db_weibo') or die('选择数据库失败！');
//设置编码
@mysql_query("SET NAMES 'UTF8'") or die('数据库编码错误！');
?>
delete.php:
<?php
//引入数据库连接
require('conn.php');
//接收index.php页面传递过来的id
if(!empty($_GET['id'])) {
//接收数据
$id = $_GET['id'];
//SQL语句
$sql = "DELETE FROM `tb_article` WHERE ID = '$id' limit 1";
//执行
if(@mysql_query($sql) or die('SQL语句执行失败！')) {
echo '<script >alert("删除成功！");window.location.replace("index.php")</script>';
exit();
}
}
?>
disinfo.php:
<?php
//引入数据库连接文件
require('conn.php');
//接收id
if(!empty($_GET['id'])) {
//接收数据
$id = $_GET['id'];
//SQL语句
$sql = "SELECT * FROM `tb_article` WHERE id = '$id' limit 1";
//获取资源句柄
$queryhandle = @mysql_query($sql) or die('SQL执行失败！');
//获取一行数据
$result = mysql_fetch_array($queryhandle,MYSQL_ASSOC);
//SQL语句(修改点击量)
$sql = "UPDATE `tb_article` SET `click` = `click`+1 WHERE id = '$id'";
//执行并判断是否执行成功
@mysql_query($sql) or die('SQL执行异常！');
}
?>
<html>
<head>
<meta charset="UTF-8">
<title>微博信息内容</title>
</head>
<body>
<a href= "index.php">返回首页</a><br/>
标题：<?php echo $result['title'] ?> <br/>
时间：<?php echo $result['datetime'] ?> <br/>
点击量：<?php echo $result['click'] ?> <br/>
内容：<?php echo $result['content'] ?> <br/>
</body>
</html>
index.php:
<?php
//引入数据库连接文件
require('conn.php');
//获取搜索字段
$keys = $_POST['keys'];
//判断是否有值
if(empty($keys)) {
$s = '';
} else {
$s = " where `title` like '%$keys%'";
}
//获取数据库数据
//SQL语句
$sql = "select * from `tb_article`".$s;
//获取资源句柄
$queryhandle = @mysql_query($sql) or die('SQL执行失败！');
//获取总条数
$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/>
<!-- 循环显示数据库内容 -->
<?php while($result = mysql_fetch_array($queryhandle,MYSQL_ASSOC)) { ?>
<h3>标题：<a href = "disinfo.php?id=<?php echo $result['id'] ?>"><?php echo $result['title'] ?></a>
| <a href = "update.php?id=<?php echo $result['id'] ?>"> 编辑 </a> | <a href = "delete.php?id=<?php echo $result['id'] ?>"> 删除 </a> |</h3>
<h3>时间：<?php echo $result['datetime'] ?> </h3>
<h3>点击量：<?php echo $result['click'] ?> </h3>
<p><?php echo $result['content'] ?> </p>
<hr/>
<?php } ?>
</body>
</html>
update.php:
<?php
//引入数据库连接文件
require('conn.php');
//接收id
if(!empty($_GET['id'])) {
//接收数据
$id = $_GET['id'];
//SQL语句
$sql = "SELECT * FROM `tb_article` WHERE id = '$id' limit 1";
//获取资源句柄
$queryhandle = @mysql_query($sql) or die('SQL执行失败！');
//获取一行数据
$result = mysql_fetch_array($queryhandle,MYSQL_ASSOC);
}
//判断是否提交数据
if(!empty($_POST['sub'])) {
//接收数据
$hid = $_POST['hid'];
$title = $_POST['title'];
$content = $_POST['content'];
//判断时候填写信息
if($title == '' || $content == '') {
echo '请填写完整信息！';
exit();
}
//SQL语句
$sql = "UPDATE `tb_article` SET `title` = '$title', `content` = '$content' WHERE id = '$hid'";
//执行并判断是否执行成功
if(@mysql_query($sql) or die('SQL执行异常！')){
echo '<script language=javascript>alert("修改成功！");window.location.replace("index.php")</script>';
}
}
?>
<html>
<head>
<meta charset="UTF-8">
<title>添加微博</title>
</head>
<body>
<a href= "index.php">返回首页</a><br/>
<form action="update.php" method="POST">
<input type = "hidden" name = "hid" value = "<?php echo $result['id'] ?>">
标题：<input type="text" name="title" value="<?php echo $result['title'] ?>" /><br/>
内容：<textarea rows="3" name="content"><?php echo $result['content'] ?></textarea><br/>
<input type="submit" name="sub" value="发表"/>
</form>
</body>
</html>