PHP implements the "plus" friend drag/drop Group effect _ php instance

Source: Internet
Author: User
This article uses PHP and jQuery to implement the same application of adding groups by dragging friends. The above is all the content in this article. I hope it will help you learn and my examples will be helpful to your social network project. Are you always looking for google pls's friend drag/drop Group function? Google is amazing! I have used PHP and jQuery to implement the same friend drag-and-drop application for grouping. This PHP Tutorial will show you how to implement it. I hope my example will be helpful to your social network project.

The effect is as follows:

The sample database contains three tables, that is, the relationship between users and user groups.

User table Members

A table contains member (User) data, such as member_id and member_image.

CREATE TABLE IF NOT EXISTS `members` ( `member_id` int(9) NOT NULL AUTO_INCREMENT, `member_name` varchar(220) NOT NULL, `member_image` text NOT NULL, `dated` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, PRIMARY KEY (`member_id`) ); 

User group Groups

CREATE TABLE IF NOT EXISTS `groups` ( `group_id` int(9) AUTO_INCREMENT, `group_name` varchar(220), `sort` int(9), `date` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, PRIMARY KEY (`group_id`), KEY `sort` (`sort`) ); 

Relationship between user groups User_group

The relationship table user_group of the user and user rent table contains the user_id (same as memeber_id), group_id, member_id (), and sort (sort) fields.

CREATE TABLE IF NOT EXISTS `user_group` ( `id` int(9) NOT NULL AUTO_INCREMENT, `user_id` int(9) NOT NULL, `group_id` int(9) NOT NULL, `member_id` int(9) NOT NULL, `sort` int(9) NOT NULL, PRIMARY KEY (`id`) ); 

Javascript script

We use drag and drop for two class attributes:. members and. group.

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