Php+mysql implementation of database additions and deletions

Last Update:2018-01-14 Source: Internet

Author: User

Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

PHP and MySQL can make simple additions and deletions to the database, this article introduces the background management of the news list.

MySQL Database creation

Create a database of news lists:

1. Query Database 1.1. Create file dbconfig.php, save constants

<?php  define("HOST","localhost");  define("USER","root");  define("PASS","********");define("DBNAME","news");

1.2. Create a Portal file index.html (connect database, query data)

<! DOCTYPE html>

Page

2. Added News 2.1 Click the Add button, adding data via page addnews.html<!DOCTYPE html>  
2.2 Create a service-side file that handles increased news action-addnews.php<?php// 处理增加操作的页面 require "dbconfig.php";// 连接mysql$link = @mysql_connect(HOST,USER,PASS) or die("提示：数据库连接失败！");// 选择数据库mysql_select_db(DBNAME,$link);// 编码设置mysql_set_charset('utf8',$link);// 获取增加的新闻$title = $_POST['title'];$keywords = $_POST['keywords'];$autor = $_POST['autor'];$addtime = $_POST['addtime'];$content = $_POST['content'];// 插入数据mysql_query("INSERT INTO news(title,keywords,autor,addtime,content) VALUES ('$title','$keywords','$autor','$addtime','$content')",$link) or die('添加数据出错：'.mysql_error()); header("Location:demo.php");  
3. Delete News
Click the Delete button to delete processing via the server file action-del.php
<?php// 处理删除操作的页面 require "dbconfig.php";// 连接mysql$link = @mysql_connect(HOST,USER,PASS) or die("提示：数据库连接失败！");// 选择数据库mysql_select_db(DBNAME,$link);// 编码设置mysql_set_charset('utf8',$link);$id = $_GET['id'];//删除指定数据  mysql_query("DELETE FROM news WHERE id={$id}",$link) or die('删除数据出错：'.mysql_error()); // 删除完跳转到新闻页header("Location:demo.php");  
4. Modify the news 4.1 Click the Modify button to jump to the file editnews.php for modification processing<! DOCTYPE html>
4.2 Modification processing via the server-side file action-editnews.php
Modification processing via the server-side file action-editnews.php
<?php// 处理编辑操作的页面 require "dbconfig.php";// 连接mysql$link = @mysql_connect(HOST,USER,PASS) or die("提示：数据库连接失败！");// 选择数据库mysql_select_db(DBNAME,$link);// 编码设置mysql_set_charset('utf8',$link);// 获取修改的新闻$id = $_POST['id'];$title = $_POST['title'];$keywords = $_POST['keywords'];$autor = $_POST['autor'];$addtime = $_POST['addtime'];$content = $_POST['content'];// 更新数据mysql_query("UPDATE news SET title='$title',keywords='$keywords',autor='$autor',addtime='$addtime',content='$content' WHERE id=$id",$link) or die('修改数据出错：'.mysql_error()); header("Location:demo.php");  
Php+mysql implementation of database additions and deletions

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

Sales Support

1 on 1 presale consultation

Chat Contact Sales
After-Sales Support

24/7 Technical Support 6 Free Tickets per Quarter Faster Response

Open a Ticket
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

Learn More

Php+mysql implementation of database additions and deletions

Contact Us

A Free Trial That Lets You Build Big!

Sales Support

After-Sales Support