css3学习之flex实现几种多列布局

基本的等分三列布局

.container{
        display: flex;
        width: 500px;
        height: 200px;
    }
    .left{
        flex:1;
        background: red;
    }
    .middle{
        flex:1;
        background: green;
    }
    .right{
        flex:1;
        background: blue;
    }
<p class="container">
    <p class="left"></p>
    <p class="middle"></p>
    <p class="right"></p>
</p>

三列 左中定宽 右侧自适应

    .container{
        display: flex;
        height: 300px;
    }
    .left{
        flex: 0 0 100px;
        background-color: red;
    }
    .middle{
        flex: 0 0 100px;
        background-color: green;
    }
    .right{
        flex:1;
        background-color: blue;
    }
  <p class="container">
    <p class="left">qqq</p>
    <p class="middle">qqq</p>
    <p class="right">wwww</p>
</p>

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## 左右固定，中间自适应 ##

    .container{
        display: flex;
        height: 300px;
    }
    .left{
        width: 100px;
        background-color: red;
    }
    .middle{
        flex: 1;
        background-color: green;
    }
    .right{
       width: 100px;
        background-color: blue;
    }
   <p class="container">
    <p class="left">qqq</p>
    <p class="middle">qqq</p>
    <p class="right">wwww</p>
</p>

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九宫格布局

    .container{
        display: flex;
        height: 300px;
        width: 300px;
        flex-direction: column;
    }
    .row{
        display: flex;
        height: 100px;
    }
    .left{
        flex: 1;
        height: 100px;
        border: 1px solid red;
    }
    .middle{
        flex: 1;
        height: 100px;
        border: 1px solid green;
    }
    .right{
        flex: 1;
        height: 100px;
        border: 1px solid blue;
    }
    <p class="container">
    <p class="row">
        <p class="left"></p>
        <p class="middle"></p>
        <p class="right"></p>
    </p>
    <p class="row">
        <p class="left"></p>
        <p class="middle"></p>
        <p class="right"></p>
    </p>
    <p class="row">
        <p class="left"></p>
        <p class="middle"></p>
        <p class="right"></p>
    </p>
</p>

圣杯布局

    *{
        margin:0;
        padding:0;
    }
    .container{
        display: flex;
        flex-direction: column;
        min-height: 100vh;
        justify-content: space-between;
    }
    .header{
        background: red;
        flex: 0 0 100px;
    }
    .content{
        display: flex;
        flex:1;
    }
    .content-left{
        flex: 0 0 100px;
        background: green;
    }
    .content-right{
        flex: 0 0 100px;
        background: pink;
    }
    .content-middle{
        flex:1;
    }
    .footer{
        background: yellow;
        flex: 0 0 100px;
    }
    <p class="container">
    <p class="header">Header</p>
    <p class="content">
        <p class="content-left">Left</p>
        <p class="content-middle">Center</p>
        <p class="content-right">Right</p>
    </p>
    <p class="footer">Footer</p>
</p>

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