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HomeBackend DevelopmentPHP TutorialCRUD (add, delete, modify, check) operations for php message board development_PHP tutorial

CRUD (add, delete, modify, check) operations for php message board development_PHP tutorial

Jul 21, 2016 pm 03:18 PM
crudphpdeleteincreaserightdevelopoperatechangecheckAdd toboundarymessage boardofstructureillustratepageproject

Project structure:

Add page: Explanation: Only pay attention to the operation here, and there is no time for the artist of the interface. I hope everyone understands ...

List page:

Modify page:

SQL required in the project:

Copy code The code is as follows:
create database form;

use form;

CREATE TABLE `message` (
`id` tinyint(1) NOT NULL auto_increment,
`user` varchar(25) NOT NULL,
`title` varchar(50) NOT NULL,
`content` tinytext NOT NULL,
`lastdate` date NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET= gbk AUTO_INCREMENT=1;


conn.php

Copy code The code is as follows:
$conn = @ mysql_connect("localhost", "root", "") or die("Database link error");
mysql_select_db("form", $conn);
mysql_query("set names 'gbk'");
?>

add.php

Copy code The code is as follows:
include 'conn.php';
if($_POST['submit']){
$sql="INSERT INTO message(id,user,title,content,lastdate) VALUES (NULL, '$_POST[user]', '$_POST[title]', '$_POST[content]', now())";
mysql_query ($sql);

//Page jump, implemented by javascript
$url = "list.php";
echo "";
}
?>
< ;script type="text/javascript">
function checkPost(){

if(addForm.user.value==""){
alert("Please enter username") ;
addForm.user.focus();
return false;
}
if(addForm.title.value.lengthalert("The title cannot be less than 5 characters");
addForm.title.focus();
return false;
}
}


User:

Title:

Content:



list .php

Copy code The code is as follows:

include 'conn.php';
?>
echo "";
?>

$sql="select * from message order by id";
$query=mysql_query($sql);
while ($row=mysql_fetch_array($query)){
?>











标题:=$row[title]?> 用户:=$row[user] ?>
编辑  |  删除
内容:=$row[content]?>
发表日期:=$row[lastdate]?>


delete.php
复制代码 代码如下:

include 'conn.php';
$id = $_GET['id'];
$query="delete from message where id=".$id;
mysql_query($query);
?>
//页面跳转,实现方式为javascript
$url = "list.php";
echo "";
?>

preEdit.php
复制代码 代码如下:

include 'conn.php';
$id=$_GET[id];
$query="SELECT * FROM message WHERE id =".$id;
$result=mysql_query($query);
while ($rs=mysql_fetch_array($result)){
?>


用户:

标题:

内容:





postEdit.php
复制代码 代码如下:

include 'conn.php';
$query="update message set user='$_POST[user]',title='$_POST[title]',content='$_POST[content]' where id='$_POST[id]'";
mysql_query($query);
?>
//页面跳转,实现方式为javascript
$url = "list.php";
echo "";
?>

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/325343.htmlTechArticle项目结构: 添加页面: 说明:这里只注重操作,对界面的美工没有下工夫,希望大家理解...... 列表页面: 修改页面: 项目中所需的sql:...
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