PHP 增删改查
PHP开源社区 人气:0一、代码
1、sql
-- phpMyAdmin SQL Dump -- version 4.5.1 -- http://www.phpmyadmin.net -- -- Host: 127.0.0.1 -- Generation Time: 2022-03-19 19:16:40 -- 服务器版本：10.1.13-MariaDB -- PHP Version: 5.6.21 SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO"; SET time_zone = "+00:00"; /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; /*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; /*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; /*!40101 SET NAMES utf8mb4 */; -- -- Database: `a` -- -- -------------------------------------------------------- -- -- 表的结构 `search` -- CREATE TABLE `search` ( `id` int(20) NOT NULL, `content` text COLLATE utf8_vietnamese_ci NOT NULL, `type` varchar(100) COLLATE utf8_vietnamese_ci NOT NULL ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_vietnamese_ci; -- -- 转存表中的数据 `search` -- INSERT INTO `search` (`id`, `content`, `type`) VALUES (32, 'aaa', '特步'), (33, '陈业贵喜欢安踏', '安踏'); -- -------------------------------------------------------- -- -- 表的结构 `type` -- CREATE TABLE `type` ( `id` int(11) NOT NULL, `type` varchar(12) COLLATE utf8_vietnamese_ci NOT NULL ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_vietnamese_ci; -- -- 转存表中的数据 `type` -- INSERT INTO `type` (`id`, `type`) VALUES (1, '安踏'), (2, '特步'); -- -- Indexes for dumped tables -- -- -- Indexes for table `search` -- ALTER TABLE `search` ADD PRIMARY KEY (`id`); -- -- Indexes for table `type` -- ALTER TABLE `type` ADD PRIMARY KEY (`id`); -- -- 在导出的表使用AUTO_INCREMENT -- -- -- 使用表AUTO_INCREMENT `search` -- ALTER TABLE `search` MODIFY `id` int(20) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=34; -- -- 使用表AUTO_INCREMENT `type` -- ALTER TABLE `type` MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=3; /*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */; /*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */; /*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
2、列表页(index.php)
<?php
$link=mysqli_connect('localhost','root','','a');
//然后是指定php链接数据库的字符集
mysqli_set_charset($link,'utf8');
$sql="select * from search";
//模糊查询出像数据库中的title或者content里面的值或者说像数据库中的title或者content里面的某一段值相对应的就行了,就可以输出啦
$result=mysqli_query($link,$sql);//运行sql
?>
<!--显示的效果-->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<table border="1" cellpadding="5">
<tr>
<td>id</td>
<td>种类</td>
<td>物品</td>
<?php
while ($row=mysqli_fetch_array($result)) {//把对象编程数组输出，不然会报错哦
# code...
?>
<tr>
<td><?=$row['id'];?></td>
<td><?=$row['content'];?></td>
<td><?=$row['type'];?></td>
<td><a href="update.php?id=<?php echo $row['id']; ?>" rel="external nofollow" >更新</a></td>
<td><a href="delete.php?id=<?php echo $row['id']; ?>" rel="external nofollow" >删除</a></td>
</tr>
<?php
}
?>
</tr>
</table>
<a href="create.php" rel="external nofollow" >创建</a>
</body>
</html>3、delete.php
<?php
$link=mysqli_connect('localhost','root','','a');
//然后是指定php链接数据库的字符集
mysqli_set_charset($link,'utf8');
//$sql = "DELETE FROM `search` WHERE `id` = '$_POST[id]'";
//模糊查询出像数据库中的title或者content里面的值或者说像数据库中的title或者content里面的某一段值相对应的就行了,就可以输出啦
$result=mysqli_query($link,"DELETE FROM search WHERE id ='$_GET[id]'");//运行sql
echo "<script>alert('恭喜你，删除成功了');location.href='index.php';</script>";
?>4、update.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<form action="update.php" method="GET">
<input type="hidden" name="id" value="<?php echo $_GET['id']?>">
<td>
<select name='type' width='500' class='selectfont'>
<option value='-1'>请选择</option>
<?php
$link=mysqli_connect('localhost','root','','a');
//然后是指定php链接数据库的字符集
mysqli_set_charset($link,'utf8');
$sql='select * from type';
$re = mysqli_query($link,$sql);
while($arr = mysqli_fetch_array($re)){
echo "<option value='".$arr['type']."'>".$arr['type']."</option>";
}
?>
</select>
<input type="text" name="content">
<input type="submit" value="修改">
</form>
</body>
</html>
<?php
if(!$_GET['content']||$_GET['type']==-1)
{
exit();
}
$link=mysqli_connect('localhost','root','','a');
//然后是指定php链接数据库的字符集
mysqli_set_charset($link,'utf8');
//$sql = "DELETE FROM `search` WHERE `id` = '$_POST[id]'";
//模糊查询出像数据库中的title或者content里面的值或者说像数据库中的title或者content里面的某一段值相对应的就行了,就可以输出啦
$result=mysqli_query($link,"UPDATE search set content='$_GET[content]',type='$_GET[type]' WHERE id ='$_GET[id]'");//运行sql
$sql="select * from search";
//模糊查询出像数据库中的title或者content里面的值或者说像数据库中的title或者content里面的某一段值相对应的就行了,就可以输出啦
$result=mysqli_query($link,$sql);//运行sql
echo "<script>alert('恭喜你，更新成功了');location.href='index.php';</script>";
?>5、create.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<form action="create.php" method="POST">
<input type="text" name="content">
<td>
<select name='type' width='500' class='selectfont'>
<option value='-1'>请选择</option>
<?php
$link=mysqli_connect('localhost','root','','a');
//然后是指定php链接数据库的字符集
mysqli_set_charset($link,'utf8');
$sql='select * from type';
$re = mysqli_query($link,$sql);
while($arr = mysqli_fetch_array($re)){
echo "<option value='".$arr['type']."'>".$arr['type']."</option>";
}
?>
</select>
</td>
<input type="submit" value="创建">
</form>
</body>
</html>
<?php
if(!$_POST['content']||$_POST['type']==-1)
{
exit();
}
$content=$_POST['content'];
$type=$_POST['type'];
$link=mysqli_connect('localhost','root','','a');
//然后是指定php链接数据库的字符集
mysqli_set_charset($link,'utf8');
$sql = "INSERT INTO search(content,type)
VALUES ('{$content}','{$type}')";
$result=mysqli_query($link,$sql);
if($result)
{
echo "<script>alert('创建成功');location.href='index.php';</script>";
}
?>
二、效果图
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