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SIYUCMS《PHP实战：PHP实现Google plus的好友拖拽分组效果》要点：
本文介绍了PHP实战：PHP实现Google plus的好友拖拽分组效果，希望对您有用。如果有疑问，可以联系我们。
PHP实战你一直在寻找google pls的好友拖拽分组功能吗?google实现的太帅了!我已经使用PHP和jQuery实现了同样的好友拖拽添加分组的应用.本篇PHP教程就来告诉你如何实现,希望我的示例会对你的社交网站项目有所帮助.
PHP实战效果如下：
PHP实战
PHP实战示例数据库包含三个表,即用户和用户组之间的关系.
PHP实战用户表Members
PHP实战表包含成员(用户)数据,如member_id,member_image等.
PHP实战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`) );
PHP实战用户组Groups
PHP实战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`) );
PHP实战用户组之间的关系User_group
PHP实战用户和用户租表的关系表user_group包含user_id(memeber_id一样),group_id,member_id()和sort(排序)字段.
PHP实战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`) );
PHP实战Javascript脚本
PHP实战我们对两个类属性：.members和.group运用拖拽.
PHP实战<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.js"></script> <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.14/jquery-ui.js"></script> <script type="text/javascript" src="jquery.livequery.min.js"></script> <script type="text/javascript" > $(function() { // Initiate draggable for public and groups var $gallery = $( ".members, .group" ); $( "img", $gallery ).live("mouseenter", function() { var $this = $(this); if(!$this.is(':data(draggable)')) { $this.draggable({ helper: "clone", containment: $( "#demo-frame" ).length ? "#demo-frame" : "document", cursor: "move" }); } }); // Initiate Droppable for groups // Adding members into groups // Removing members from groups // Shift members one group to another $(".group").livequery(function(){ var casePublic = false; $(this).droppable({ activeClass: "ui-state-highlight", drop: function( event, ui ) { var m_id = $(ui.draggable).attr('rel'); if(!m_id) { casePublic = true; var m_id = $(ui.draggable).attr("id"); m_id = parseInt(m_id.substring(3)); } var g_id = $(this).attr('id'); dropPublic(m_id, g_id, casePublic); $("#mem"+m_id).hide(); $( "<li></li>" ).html( ui.draggable ).appendTo( this ); }, out: function(event, ui) { var m_id = $(ui.draggable).attr('rel'); var g_id = $(this).attr('id'); $(ui.draggable).hide("explode", 1000); removeMember(g_id,m_id); } }); }); // Add or shift members from groups function dropPublic(m_id, g_id,caseFrom) { $.ajax({ type:"GET", url:"groups.php?m_id="+m_id+"&g_id="+g_id, cache:false, success:function(response){ $.get("groups.php?reload_groups", function(data){ $("#groupsall").html(data); $("#added"+g_id).animate({"opacity" : "10" },10); $("#added"+g_id).show(); $("#added"+g_id).animate({"margin-top": "-50px"}, 450); $("#added"+g_id).animate({"margin-top": "0px","opacity" : "0" }, 450); }); } }); } // Remove memebers from groups // It will restore into public groups or non grouped members function removeMember(g_id,m_id) { $.ajax({ type:"GET", url:"groups.php?do=drop&mid="+m_id, cache:false, success:function(response){ $("#removed"+g_id).animate({"opacity" : "10" },10); $("#removed"+g_id).show(); $("#removed"+g_id).animate({"margin-top": "-50px"}, 450); $("#removed"+g_id).animate({"margin-top": "0px","opacity" : "0" }, 450); $.get("groups.php?reload", function(data){ $("#public").html(data); }); } }); } }); </script>PHP实战groups.php
PHP实战我们在这里处理拖拽添加用户组的数据处理功能.
PHP实战<?php require_once("multipleDiv.inc.php"); // Initiate Object $obj = new Multiplediv(); // Add or Update Ajax Call if(isset($_GET['m_id']) and isset($_GET['g_id'])) { $obj->addMembers((int)$_GET['m_id'], (int)$_GET['g_id']); exit; } // Remove Memebers from groups Ajax call if(isset($_GET['do'])) { $obj->removeMember($_GET['mid']); exit; } // Reload groups each ajax call if(isset($_GET['reload'])){ echo $obj->getMembers_reload(); exit; } if(isset($_GET['reload_groups'])){ echo $obj->getmembergroups_reload(); exit; } // Initiate Groups and members $members = $obj->public_members(); $groups = $obj->groups(); ?> Friends <div id="main_portion"> <div id="public"> <!-- Initiate members --> <?php if(!isset($members)) $members = $obj->public_members(); if($members) { foreach($members as $member) { extract($member); echo "<div class='members' id='mem".$member_id."'>n"; echo "<img src='images/".$member_image."' rel='".$member_id."'>n"; echo "<b>".ucwords($member_name)."</b>n"; echo "</div>"; } } else echo "Members not available"; ?> </div> <div id="groupsall"> Groups <!-- Initiate Groups --> <?php if(!isset($groups)) $groups = $obj->groups(); if($groups) { foreach($groups as $group) { extract($group); echo "<div id='".$group_id."' class='group'>n"; echo ucwords($group_name); echo "<div id='added".$group_id."' class='add' style='display:none;' ><img src='images/green.jpg'></div>"; echo "<div id='removed".$group_id."' class='remove' style='display:none;' ><img src='images/red.jpg'></div>"; echo "<ul>n"; echo $obj->updateGroups($group_id); echo "</ul></div>"; } } ?> </div> </div>PHP实战multipleDiv.inc.php
PHP实战在这里修改数据库连接信息.
PHP实战<?php // Database declaration's define("SERVER", "localhost"); define("USER", "username"); define("PASSWORD", "password"); define("DB", "database"); class Multiplediv { ........................ ........................ ......................... } ?>PHP实战到这里,我们关于如何实现Google plus 的好友拖拽分组功能就完成了.以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持维易PHP.
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