CSS3 transform制作的漂亮的滚动式导航

模拟这个做的 不过实现的没有别人那么好

http://www.creativetier.com/products/modern-menu-3/vertical.html

关于transform 看这里http://www.w3schools.com/cssref/css3_pr_transform.asp

首先这个效果最基本的实现原理 就是一个menu实际上是由2个并排(float)或并列的menu实现的

用一个div包住这2个Menu 到时候就移动这个div的位置就行

然后外面用一个和一个Menu大小相同的框罩住这两个menu 并设定overflow:hidden

然后当鼠标移动到这个遮罩框的时候 就移动包住menu的div就行了

哎呀 你说为什么一定要用个div包住这2个menu啊 我移动其中一个不就好了? 不行的哟 那样只会第一个menu被移动

第二个本应该显示的红色menu还在被遮住的地方..

关于二级菜单弹出

我没能找到用css直接移动这个弹出框的方法 因为css的transform是针对被移动的元素 如果一开始这个元素都没有被显示 似乎无法只通过css移动它 所以还是用的js来操作的

这个二级菜单默认就隐藏在一级菜单地下 所以我设置一级菜单z-index为2 二级菜单为1

如果你的最末一个一级菜单中又很多二级菜单 那么可能出现当二级菜单未展开的时候 有些元素可以直接在一级菜单中看见

因为二级菜单都超过我的总导航区域大小了 而很明显 对于这个总导航区域 我是不能设置overflow:hidden的

否则二级菜单即使展开都看不见了 所以默认二级菜单缩起来时 display为none

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <title>Untitled Document</title>
    <script type="text/javascript" src='http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js'></script>
    <script type="text/javascript" src='VNav.js'></script>
    <style type="text/css">
            .VNav{
                width: 200px;
                /*overflow: hidden;*/
                /*border: 1px solid black;*/
            }
            .item{
                position: relative;
                
            }
            .menu{
                width: 200px;
                overflow: hidden;
            } 
            .menuDiv{
                position: relative;
                z-index: 2;
            }   
            .subMenuDiv{
                position: absolute;
                display: none;
                left: 0px;
                top: 0px;
                z-index: 1; /*z-index设为负值表示隐藏了*/
                width: 200px;
                overflow: hidden;
                /*height: */
            }                  
            .menuItemWrapper{
                width: 400px;
                -webkit-transition: -webkit-transform 232ms; 
                transition:  transform 232ms;
            }
            .menuItemWrapper:after{
                content: '.';
                clear: both;
                display: block;
                height: 0px;
                visibility: hidden;

            }
            .menuItemWrapper:hover{
                /*margin-left:-200px;*/
                -webkit-transform: translate(-200px, 0);

            }
            .menuItem{
                width: 200px;
                height: 50px;
                float: left;
                color: white;
            }

            .menuItem.first{
                background-color: black;
            }
            .menuItem.second{
                background-color: #f42;
            }
            .itemContent{
                padding: 10px 10px 10px 10px;
                line-height: 30px;
            }
            .verticalMenuDiv{

            
            }

            .verticalMenuDiv:after{
                clear: both;
                content: '.';
                visibility: hidden;
                height: 0px;
                display: block;
            }
            .vMenu{
                width: 50px;
                height: 50px;
                float: left;
                overflow: hidden;
            }
            .v_menuItemWrapper{    
                -webkit-transition: -webkit-transform 232ms; 
                transition:  transform 232ms;   
            }
            .v_menuItem{
                /*width: 50px;*/
                height: 50px;
                /*padding-left: 17px;
                padding-right: 17px;*/
                color: white;
            }
            .v_menuItemWrapper:hover{
                -webkit-transform: translate(0, -50px); /*第一个值是x轴 后面是y轴*/
            }            
            .v_menuItem.first{
                background-color: black;
            }
            .v_menuItem.second{
                background-color: #f42;
            }
            .v_menuItem .vmIcon{
                display: block;
                height: 50px;
                background-position: center center;  /*使小图居中*/              
            }
            .v_menuItem .vmIcon.icon1{
                background-image: url(http://www.creativetier.com/products/modern-menu-3/modern-menu/images/theme1/facebook.png);
                background-repeat: no-repeat;
            }

        </style>
</head>

<body>
    <div class='VNav'>
        <div class='itemList'>
            <div class='item'>
                <div class='menuDiv'>
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>MENU</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>MENU</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class='subMenuDiv'>
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>sss1</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>ss1</span>
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>ss2</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>ss2</span>
                                </div>
                            </div>
                        </div>
                    </div>    
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>ss3</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>ss3</span>
                                </div>
                            </div>
                        </div>
                    </div>                                                        
                </div>
            </div>
            <div class='item'>
                <div class='menuDiv'>
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>MENU</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>MENU</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class='subMenuDiv'>
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>sss1</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>ss1</span>
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>ss2</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>ss2</span>
                                </div>
                            </div>
                        </div>
                    </div>    
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>ss3</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>ss3</span>
                                </div>
                            </div>
                        </div>
                    </div>                                                        
                </div>
            </div>
            <div class='item'>
                <div class='menuDiv'>
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>MENU</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>MENU</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class='subMenuDiv'>
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>sss1</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>ss1</span>
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>ss2</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>ss2</span>
                                </div>
                            </div>
                        </div>
                    </div>    
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>ss3</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>ss3</span>
                                </div>
                            </div>
                        </div>
                    </div>                                                        
                </div>
            </div>
            <div class='item'>
                <div class='menuDiv'>
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>MENU</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>MENU</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class='item'>
                <div class='menuDiv'>
                    <div class='menu'>
                        <div class='menuItemWrapper'>
                            <div class='menuItem first'>
                                <div class='itemContent'>
                                    <span>MENU</span>
                                </div>
                            </div>
                            <div class='menuItem second'>
                                <div class='itemContent'>
                                    <span>MENU</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class='item'>
                <div class='verticalMenuDiv'>
                    <div class='vMenu'>
                        <div class='v_menuItemWrapper'>
                            <div class='v_menuItem first'>
                                <span class='vmIcon icon1'></span>
                            </div>
                            <div class='v_menuItem second'>
                                <span class='vmIcon icon1'></span>
                            </div>
                        </div>
                    </div>
                    <div class='vMenu'>
                        <div class='v_menuItemWrapper'>
                            <div class='v_menuItem first'>
                                <span class='vmIcon icon1'></span>
                            </div>
                            <div class='v_menuItem second'>
                                <span class='vmIcon icon1'></span>
                            </div>
                        </div>
                    </div>
                    <div class='vMenu'>
                        <div class='v_menuItemWrapper'>
                            <div class='v_menuItem first'>
                                <span class='vmIcon icon1'></span>
                            </div>
                            <div class='v_menuItem second'>
                                <span class='vmIcon icon1'></span>
                            </div>
                        </div>
                    </div>
                    <div class='vMenu'>
                        <div class='v_menuItemWrapper'>
                            <div class='v_menuItem first'>
                                <span class='vmIcon icon1'></span>
                            </div>
                            <div class='v_menuItem second'>
                                <span class='vmIcon icon1'></span>
                            </div>
                        </div>
                    </div>                                                                            
                </div>
            </div>                                            
        </div>
</body>
    </html>

JS

$(function() {
    showSubMenu();
});

function showSubMenu() {
    $('.item').hover(function() {
        /* Stuff to do when the mouse enters the element */
        $(this).children('.subMenuDiv').css('display', 'block');
        $(this).children('.subMenuDiv').animate({
            'left': '200px'
        }, 332);
    }, function() {
        $(this).children('.subMenuDiv').animate({
            'left': '0px'
        }, 332);
        $(this).children('.subMenuDiv').css('display', 'none');
    });
}