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布局 - FlexBox

布局 - FlexBox

作者: Cicada丶 | 来源:发表于2018-07-07 01:31 被阅读0次
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Flex</title>
</head>
<body>
    <!---------------容器的属性---------------------->

    <!--1.flex-direction 表示子item的布局方向,与Android一样是以右上角为原点-->
    <!--
        1.row            从x轴起始点开始往终止点方向,默认
        2.row-reverse    从x轴终止点开始往起始点方向
        3.column         从y轴起始点开始往终止点方向
        4.column-reverse 从y轴终止点开始往起始点方向

        注意:终止点是指容器的最大高度处,如果由内容决定高度,那么最大高度处就是终止点
    -->
    <div style="display: flex;flex-direction: row;">
        <div style="display: flex;flex-direction:row;margin: 10px">
            <div style="width: 100px;height: 100px;background-color: green"></div>
            <div style="width: 100px;height: 100px;background-color: black"></div>
        </div>

        <div style="display: flex;flex-direction:row-reverse;margin: 10px">
            <div style="width: 100px;height: 100px;background-color: green"></div>
            <div style="width: 100px;height: 100px;background-color: black"></div>
        </div>

        <div style="display: flex;flex-direction: column;margin: 10px">
            <div style="width: 100px;height: 100px;background-color: green"></div>
            <div style="width: 100px;height: 100px;background-color: black"></div>
        </div>

        <div style="display: flex;flex-direction: column-reverse;margin: 10px">
            <div style="width: 100px;height: 100px;background-color: green"></div>
            <div style="width: 100px;height: 100px;background-color: black"></div>
        </div>
    </div>
    <!--2.flex-wrap 指定一条轴线上排列不下如何换行排列-->
    <!--
        nowrap        不换行,意味着会沿轴向压缩所有item,默认值
        wrap          换行,与第一行对齐 
        wrap-reverse  换行,反过来与第一行对齐
    -->
    <div style="display: flex;flex-direction: row;flex-wrap: wrap-reverse;">
        <div style="width: 100px;height: 100px;background-color: green;margin: 10px">
            <font>1</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: green;margin: 10px">
            <font>2</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: green;margin: 10px">
            <font>3</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: green;margin: 10px">
            <font>4</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: green;margin: 10px">
            <font>5</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: green;margin: 10px">
            <font>6</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: green;margin: 10px">
            <font>7</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: green;margin: 10px">
            <font>8</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: green;margin: 10px">
            <font>9</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: green;margin: 10px">
            <font>10</font>
        </div>
    </div>
    <!--3.flex-flow flex-deriction和flex-wrap的同时写法-->
    <div style="display: flex;flex-flow: row wrap;">
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>1</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>2</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>3</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>4</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>5</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>6</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>7</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>8</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>9</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>10</font>
        </div>
    </div>

    <!--4.justify-content 定义在主轴上的对齐方式,主轴就是deriction的方向轴-->
    <!--
        以x轴主轴为例:
        flex-start     紧挨主轴起点对齐
        flex-end       紧挨主轴终点对齐
        center         主轴居中
        space-between  两端对齐,项目之间的间隔都相等
        space-around   每个项目两侧的间隔相等
    -->  
    <div style="display: flex;flex-flow: row wrap;justify-content: space-around;">
        <div style="width: 100px;height: 100px;background-color: blue;margin: 10px">1</div>
        <div style="width: 100px;height: 100px;background-color: blue;margin: 10px">2</div>
        <div style="width: 100px;height: 100px;background-color: blue;margin: 10px">3</div>
    </div>

    <!--5.align-items 定义在交叉轴上如何对齐,交叉轴是指当前主轴的另一个轴-->
    <!--
        flex-start  交叉轴的起点对齐
        flex-end    交叉轴的终点对齐
        center      交叉轴的中点对齐
        baseline    第一个项目的底部对齐
        stretch     如果项目未设置高度或设为auto,项目高度为容器高度
    --> 
    <div style="display: flex;flex-flow: row wrap;justify-content: flex-start;align-items: baseline;width: 100px;height: 100px;margin: 10;background-color: yellow">
        <span style="font-size: 40px">1</span>
        <span>0</span>
        <span style="font-size: 30px">2</span>
    </div>

    <!--6.align-content  如果有换行,定义所有行之间的对齐方式-->
    <!--
        flex-start     与交叉轴的起点对齐
        flex-end       与交叉轴的终点对齐
        center         与交叉轴的中点对齐
        space-between  与交叉轴两端对齐,轴线之间的间隔平均分布
        space-around   每根轴线两侧的间隔都相等
        stretch        轴线占满整个交叉轴,每个轴区域大小相等,默认值
    -->
    <div style="display: flex;flex-flow: row wrap;justify-content: flex-start;align-items: flex-start;width: 500px;height: 500px;margin: 10px;background-color: black;align-content: space-between;">
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>1</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>2</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>3</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>4</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>5</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>6</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>7</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>8</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>9</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px">
            <font>10</font>
        </div>
    </div>
    <!---------------item的属性---------------------->
    <!--1.order  属性定义项目的排列顺序。数值越小,排列越靠前,默认为0-->
    <div style="display: flex;flex-flow: row wrap;justify-content: space-between;">
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px;order: 3">
            <font>1</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px;order: 2">
            <font>2</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px;order: 1">
            <font>3</font>
        </div>
    </div>
    <!--2.flex-grow 属性定义项目的放大比例,对剩余空间来说,默认为0不放大-->
    <div style="display: flex;flex-flow: row wrap;justify-content: space-between;">
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px;order: 3;flex-grow: 0.5">
            <font>1</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px;order: 2">
            <font>2</font>
        </div>
        <div style="width: 100px;height: 100px;background-color: red;margin: 10px;order: 1">
            <font>3</font>
        </div>
    </div> 
    <!--3.flex-shrink 属性定义了项目的缩小比例,默认为1,即如果空间不足,该项目将缩小-->
    <!--如果所有项目的flex-shrink属性都为1,当空间不足时,都将等比例缩小。如果一个项目的flex-shrink属性为0,其他项目都为1,则空间不足时,前者不缩小。-->
    <div style="display: flex;flex-flow: row nowrap">
        <div style="width: 600px;height: 100px;background-color: red;margin: 10px;flex-shrink: 1">
            <font>1</font>
        </div>
        <!--就中间这个不缩小保持原大小-->
        <div style="width: 600px;height: 100px;background-color: red;margin: 10px;flex-shrink: 0">
            <font>2</font>
        </div>
        <div style="width: 600px;height: 100px;background-color: red;margin: 10px;flex-shrink: 1">
            <font>3</font>
        </div>
    </div>

    <!--4.flex-basis 属性定义了在分配多余空间之前,项目占据的主轴空间(main size)。浏览器根据这个属性,计算主轴是否有多余空间。它的默认值为auto,即项目的本来大小。-->
    <div style="display: flex;flex-flow: row nowrap">
        <div style="height: 100px;background-color: red;margin: 10px;flex-basis: 800px">
        </div>
        <div style="width: 600px;height: 100px;background-color: red;margin: 10px;">
        </div>
        <div style="width: 600px;height: 100px;background-color: red;margin: 10px;">
        </div>
    </div>
    <!--5.flex属性是flex-grow, flex-shrink 和 flex-basis的简写,默认值为0 1 auto。后两个属性可选。-->

    <!--6.align-self属性允许单个项目有与其他项目不一样的交叉轴对齐方式,可覆盖align-items属性。默认值为auto,表示继承父元素的align-items属性,如果没有父元素,则等同于stretch。-->
    <!--该属性可能取6个值,除了auto,其他都与align-items属性完全一致-->
    <div style="display: flex;flex-flow: row nowrap;justify-content: center;align-items: center;height: 300px;background-color: yellow">
        <div style="width: 100px;height: 100px;background-color: black;margin: 10px"></div>
        <div style="width: 100px;height: 100px;background-color: black;margin: 10px;align-self: flex-start;"></div>
        <div style="width: 100px;height: 100px;background-color: black;margin: 10px;align-self: flex-end;"></div>
        <div style="width: 100px;height: 100px;background-color: black;margin: 10px;align-self: flex-start;"></div>
        <div style="width: 100px;height: 100px;background-color: black;margin: 10px"></div> 
    </div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <title>ERP</title>
    <link rel="stylesheet" href="../resource/css/bootstrap.css">
    <link rel="stylesheet" href="../resource/font-awesome-4.7.0/css/font-awesome.css">
    <style type="text/css">
    body,html{
        margin: 0px;
        padding: 0px;
        height: 100%;
        /*要使得页面分区可以自由滚动需要将全局的滚动条禁用掉*/
        overflow-y: hidden;
        overflow-x: hidden;
    } 
        #left{
            width: 200px;
            height: 100%;
            overflow-y: auto;
        }
        #content{
            height: 100%;
            display: flex;
            flex-flow: row nowrap;
            justify-content: flex-start;
            align-items: flex-start;
            padding-top: 50px;
        }
        #right{
            height: 100%; 
            overflow-y: auto;
            flex-grow: 1;
            background-color: gray;
            display: flex;
            flex-flow: row wrap;
            /*当文字超出div宽度时自动换行*/
            word-wrap: break-word;
        }
    </style>
</head>
    <!--使用display:table垂直居中-->
        <!--                <a href="#" class="navbar-brand" style="padding: 0px;margin-top:3px;display: table">
                        <i class="fa fa fa-camera-retro fa-3x" style="color: black;display: table-cell;vertical-align: middle;"></i>
                        <font style="display: table-cell;vertical-align: middle;padding-left: 10px">ERP系统</font>
                    </a> -->
<body>
    <div class="container-fluid" style="height: 100%">
        <div class="row">
            <!--#导航条-->
            <nav class="navbar navbar-default navbar-fixed-top" style="padding-left: 10px;padding-right: 10;">
                <!--导航头部-->
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbar-menu">
                        <span class="sr-only">导航切换</span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    </button>
                    <!--使用display:flex垂直居中-->   
                    <a href="#" class="navbar-brand" style="padding: 0px;display: flex;flex-direction: row;flex-wrap: nowrap;justify-content: flex-start;align-items: center;">
                        <i class="fa fa-camera-retro fa-2x" style="color: black;"></i>
                        <font style="padding-left: 10px">ERP系统</font>
                    </a>
                </div>

                <!--导航主体-->
                 <div class="collapse navbar-collapse" id="navbar-menu">
                      <!--导航左边部分-->
                      <ul class="nav navbar-nav pull-left">  
                        <li class="cative"><a href="#">Home</a></li>
                         <li class="dropdown">  
                            <a href="#" data-toggle="dropdown">
                                <span class="notification">dropdown</span>
                                <span class="caret"></span>
                            </a>
                            <ul class="dropdown-menu" role="menu">
                                <li>
                                    <a href="#">
                                        Database 
                                        <span class="notification">3</span>
                                    </a>
                                </li>
                            </ul>
                        </li>
                      </ul>
                      <!--导航右边部分-->
                      <ul class="nav navbar-nav pull-right">  
                        <li class="cative"><a href="#">Home</a></li>
                        <li class="cative"><a href="#">About</a></li>
                        <li class="cative"><a href="#">Portfolio</a></li>
                        <li class="cative"><a href="#">Contact</a></li>
                      </ul>
                </div>
            </nav>
        </div>
        <div class="row" style="height: 100%">
            <div id="content">
                <div id="left">
                    <!--1.面板组-->
                    <div class="panel-group" id="silder">
                        <!--2.面板选项-->
                        <div class="panel panel-info" style="margin: 0px">
                            <!--头-->
                            <div class="panel-heading">
                                <h4 class="panel-title">
                                    <a data-toggle="collapse" data-parent="#silder" 
                                    href="#h1_c">   
                                    用户管理
                                    </a>
                                </h4>
                            </div>
                            <!--展开-->
                            <div id="h1_c" class="panel-collapse collapse">
                                <div class="panel-body">
                                    <a href="#">
                                    新增用户
                                    </a>
                                </div>

                                <div class="panel-body">
                                    <a href="#">
                                    修改用户
                                    </a>
                                </div>

                                <div class="panel-body">
                                    <a href="#">
                                    删除用户
                                    </a>
                                </div>

                                <div class="panel-body">
                                    <a href="#">
                                    查询用户
                                    </a>
                                </div>
                                <div class="panel-body">
                                    <a href="#">
                                    角色变更
                                    </a>
                                </div>
                            </div>
                        </div>

                        <div class="panel panel-info" style="margin: 0px">
                            <div class="panel-heading">
                                <h4 class="panel-title">
                                    <a data-toggle="collapse" data-parent="#silder" 
                                    href="#h2_c">
                                    角色管理
                                    </a>
                                </h4>
                            </div>
                            <div id="h2_c" class="panel-collapse collapse">
                                <div class="panel-body">
                                    <a href="#">
                                    新增角色    
                                    </a>
                                </div>
                                <div class="panel-body">
                                    <a href="#">
                                    查询角色    
                                    </a>
                                </div>

                                <div class="panel-body">
                                    <a href="#">
                                    修改角色    
                                    </a>
                                </div>

                                <div class="panel-body">
                                    <a href="#">
                                    删除角色    
                                    </a>
                                </div>
                            </div>
                        </div>

                        <div class="panel panel-info" style="margin: 0px">
                            <div class="panel-heading">
                                <h4 class="panel-title">
                                     <a data-toggle="collapse" data-parent="#silder" 
                                        href="#h3_c">
                                        菜单管理
                                    </a>
                                </h4>
                            </div>

                            <div id="h3_c" class="panel-collapse collapse">
                                <div class="panel-body">
                                    <a href="#">
                                    新增菜单
                                    </a>
                                </div>

                                <div class="panel-body">
                                    <a href="#">
                                    查询菜单
                                    </a>
                                </div>

                                <div class="panel-body">
                                    <a href="#">
                                    修改菜单
                                    </a>
                                </div>

                                <div class="panel-body">
                                    <a href="#">
                                    删除菜单
                                    </a>
                                </div>
                            </div>
                        </div>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                        <h1>B</h1>
                    </div>
                </div>
                    
                <div id="right">
                    <div style="width: 100%;height: 200px;background-color: red;margin: 10px"></div>
                    <div style="width: 200px;height: 200px;background-color: red;margin: 10px"></div>
                    <div style="width: 200px;height: 200px;background-color: red;margin: 10px"></div>
                    <div style="width: 100px;word-wrap: break-word;">
                        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
                    </div>
                </div>
            </div>
        </div>
    </div>
</body>
<script type="text/javascript" src="../resource/js/=jquery-1.10.2.min.js"></script>
<script type="text/javascript" src="../resource/js/bootstrap.js"></script>
</html>

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      本文标题:布局 - FlexBox

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