h5学习笔记 下拉菜单 2

分享一下我老师大神的人工智能教程。零基础!通俗易懂!风趣幽默!还带黄段子!希望你也加入到我们人工智能的队伍中来!https://blog.csdn.net/jiangjunshow

                     

有时候会觉得css 变得毫无章法地使用。在下拉菜单中,还有一种浮动的二级菜单。
 展示一些商品。好像小米商城那个导航下拉菜单。如下图

h5学习笔记 下拉菜单 2

下面模拟一下,做的过程也遇到一些小问题。例如不用position去定位的时候,触发二级的菜单的时候,总是有异常导致不能使用。对二级菜单展示到时候,加上position上去则神奇问题解决了
只是模拟了两个菜单选项。其他基本上一致,不过是这个菜单有很多细节的地方还是缺失。如阴影部分,如间距线的有一些要和一些不要。这个还是看这个是不是同列的产品了。所以要归类还得要思考如何去处理好。

原本想练习flex布局的,发现flex用起来还不熟悉。

<!DOCTYPE html><html>    <head>        <meta charset="UTF-8">        <title>小米下拉菜单2</title>    </head>    <style type="text/css">        ul,li,p {            margin: 0;            padding: 0;        }        ul {            list-style: none;        }        .menu {            width:-webkit-fit-content;            width:-moz-fit-content;            margin: 0 auto;        }        .menu>ul>li {            float: left;            margin-right: 20px;            font-size: 13px;            padding: 20px 0;                    }        .menu>ul>li:hover {            color: orangered;        }        .sub_menu {            position: absolute;            margin-top: 20px;            left: 0px;            width: 100%;            height: 208px;            background-color: white;            display: none;            border-top: 1px solid #E0E0E0;            box-shadow: 2px 1px 1px #E0E0E0;        }        .sub_menu .menu_item {            border-right: 1px solid #E0E0E0;            height: 208px;            display: inline-block;            cursor: pointer;        }        .sub_menu .menu_item img {            margin-top: 40px;        }        .menu_item p {            text-align: center;            margin-top: 5px;            color: #333333;        }        .menu_item .price {            color: #ff6700;            font-size: 14px;        }    </style>    <body>        <div class="main">            <div class="menu">                <ul>                    <li>小米手机                        <div class="sub_menu">                            <ul>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/15/goods/nav/maxdingbu!160x110.jpg" />                                    <p>小米max</p>                                    <p class="price">1499起</p>                                </li>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/16/goods/nav/mi5!160x110.jpg" />                                    <p>小米手机5</p>                                    <p class="price">1799起</p>                                </li>                            </ul>                        </div>                    </li>                    <li>红米                        <div class="sub_menu">                            <ul>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/g/2015/cn-index/hongmipro-320!160x110.jpg" />                                    <p>红米pro</p>                                    <p class="price">1499起</p>                                </li>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/15/goods/nav/note3!160x110.jpg" />                                    <p>红米note3</p>                                    <p class="price">899起</p>                                </li>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/g/2015/video/hongmi3s!160x110.jpg" />                                    <p>红米手机3S</p>                                    <p class="price">699起</p>                                </li>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/15/goods/nav/hongmi3!160x110.jpg" />                                    <p>红米手机3</p>                                    <p class="price">699起</p>                                </li>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/g/doodle/320-220!160x110.jpg" />                                    <p>红米手机3x</p>                                    <p class="price">799起</p>                                </li>                            </ul>                        </div>                    </li>                    <li>平板·笔记本</li>                    <li>电视</li>                    <li>盒子·影音</li>                    <li>路由器</li>                    <li>智能硬件</li>                    <li>服务</li>                    <li>社区</li>                </ul>            </div>        </div>        <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js" type="text/javascript"></script>        <script type="text/javascript">            $(function() {                $(".menu >ul >li").hover(function() {                    $(this).children().show();                }, function() {                    $(this).children().hide();                });            });        </script>    </body></html>
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
           

分享一下我老师大神的人工智能教程。零基础!通俗易懂!风趣幽默!还带黄段子!希望你也加入到我们人工智能的队伍中来!https://blog.csdn.net/jiangjunshow

                     

有时候会觉得css 变得毫无章法地使用。在下拉菜单中,还有一种浮动的二级菜单。
 展示一些商品。好像小米商城那个导航下拉菜单。如下图

h5学习笔记 下拉菜单 2

下面模拟一下,做的过程也遇到一些小问题。例如不用position去定位的时候,触发二级的菜单的时候,总是有异常导致不能使用。对二级菜单展示到时候,加上position上去则神奇问题解决了
只是模拟了两个菜单选项。其他基本上一致,不过是这个菜单有很多细节的地方还是缺失。如阴影部分,如间距线的有一些要和一些不要。这个还是看这个是不是同列的产品了。所以要归类还得要思考如何去处理好。

原本想练习flex布局的,发现flex用起来还不熟悉。

<!DOCTYPE html><html>    <head>        <meta charset="UTF-8">        <title>小米下拉菜单2</title>    </head>    <style type="text/css">        ul,li,p {            margin: 0;            padding: 0;        }        ul {            list-style: none;        }        .menu {            width:-webkit-fit-content;            width:-moz-fit-content;            margin: 0 auto;        }        .menu>ul>li {            float: left;            margin-right: 20px;            font-size: 13px;            padding: 20px 0;                    }        .menu>ul>li:hover {            color: orangered;        }        .sub_menu {            position: absolute;            margin-top: 20px;            left: 0px;            width: 100%;            height: 208px;            background-color: white;            display: none;            border-top: 1px solid #E0E0E0;            box-shadow: 2px 1px 1px #E0E0E0;        }        .sub_menu .menu_item {            border-right: 1px solid #E0E0E0;            height: 208px;            display: inline-block;            cursor: pointer;        }        .sub_menu .menu_item img {            margin-top: 40px;        }        .menu_item p {            text-align: center;            margin-top: 5px;            color: #333333;        }        .menu_item .price {            color: #ff6700;            font-size: 14px;        }    </style>    <body>        <div class="main">            <div class="menu">                <ul>                    <li>小米手机                        <div class="sub_menu">                            <ul>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/15/goods/nav/maxdingbu!160x110.jpg" />                                    <p>小米max</p>                                    <p class="price">1499起</p>                                </li>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/16/goods/nav/mi5!160x110.jpg" />                                    <p>小米手机5</p>                                    <p class="price">1799起</p>                                </li>                            </ul>                        </div>                    </li>                    <li>红米                        <div class="sub_menu">                            <ul>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/g/2015/cn-index/hongmipro-320!160x110.jpg" />                                    <p>红米pro</p>                                    <p class="price">1499起</p>                                </li>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/15/goods/nav/note3!160x110.jpg" />                                    <p>红米note3</p>                                    <p class="price">899起</p>                                </li>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/g/2015/video/hongmi3s!160x110.jpg" />                                    <p>红米手机3S</p>                                    <p class="price">699起</p>                                </li>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/15/goods/nav/hongmi3!160x110.jpg" />                                    <p>红米手机3</p>                                    <p class="price">699起</p>                                </li>                                <li class="menu_item">                                    <img src="http://c1.mifile.cn/f/i/g/doodle/320-220!160x110.jpg" />                                    <p>红米手机3x</p>                                    <p class="price">799起</p>                                </li>                            </ul>                        </div>                    </li>                    <li>平板·笔记本</li>                    <li>电视</li>                    <li>盒子·影音</li>                    <li>路由器</li>                    <li>智能硬件</li>                    <li>服务</li>                    <li>社区</li>                </ul>            </div>        </div>        <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js" type="text/javascript"></script>        <script type="text/javascript">            $(function() {                $(".menu >ul >li").hover(function() {                    $(this).children().show();                }, function() {                    $(this).children().hide();                });            });        </script>    </body></html>
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153