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  • css实现左侧固定宽,右侧自适应

     

    1.浮动布局,左边float:left;右边margin-left:左边宽度:

     <div class="content">
            <div class="left">
                
            </div>
            <div class="right">
                /*此处测试时可以写一长串文字,便可看出右边块的变化*/
            </div>
        </div>
    *{
    margin: 0;
    padding: 0;
    }
    .content{
        background-color: gray;
    }
    .left{
        float: left;
         20%;
        min-height: 100px;
        background-color: green;
    }
    .right{
        margin-left: 20%;
        background-color: purple;
        min-height: 100px;
    }

    2.浮动和负边距实现:

     <div class="content">
            <div class="left">
                
            </div>
            <div class="right">
                <div class="rightinner">
                    
                </div>
            </div>
        </div>
    *{
        margin: 0;
        padding: 0;
        min-height: 100px;
    }
    
    .left {
        background-color: green;
        float: left;
         20%;
        margin-right: -100%;
    }
    
    .right {
        float: left;
         100%;
    }
    
    .rightinner{
        margin-left: 20%;
        background-color: purple;
    }

    3.左右等高,使用一个外div包含左右div,再使用边宽与负边距决定:

    <div class="container">
            <div class="wrap">
                <div class="left">
                    
                </div>
                <div class="right">
                </div>
            </div>
        </div>
    *{
        margin: 0;
        padding: 0;
        min-height: 100px;
    }
    .container{
        background-color: gray;
    }
    .wrap{
        display:inline-block;
        border-left: 200px solid green;
        position: relative;
    }
    .left{
        float: left;
         200px;
        margin-left: -200px;
        position: relative;
    }

    4.依旧是使用块包含通过边宽与负边距浮动设置:

    <div class="container">
            <div class="right">
                
            </div>
            <div class="left">
                
            </div>
        </div>
    *{
        margin: 0;
        padding: 0;
        min-height: 100px;
    }
    .container{
        background-color: gray;
        overflow: hidden;
        padding-left: 200px;
    }
    .right{
        background-color: purple;
         100%;
        border-left: 200px solid purple;
        margin-left: -200px;
        float: right;
    }
    .left{
        background-color: green;
         200px;
        float: left;
        margin-left: -200px;
    }

    5.使用两个包含快,相对位置浮动与左右偏移以及负边距:

    <div class="container">
            <div class="wrap">
                <div class="left">
                
                </div>
                <div class="right">
                    
                </div>
            </div>
        </div>
    *{
        margin: 0;
        padding: 0;
        min-height: 100px;
    }
    .container{
        background-color: gray;
        overflow: hidden;
        position: relative;
         100%;
        float: left;
    }
    .wrap{
        float: left;
         100%;
        position: relative;
        left: 200px;
        background-color: purple;
    }
    .right{
        position: relative;
        background-color: pink;
    }
    .left{
        background-color: green;
         200px;
        float: left;
        margin-left: -200px;
    }

    6.不等高

    <div class="container">
            <div class="wrap">
                <div class="left">
                
                </div>
                <div class="wrapinner">
                    <div class="right">
                    </div>
                </div>
            </div>
        </div>
    *{
        margin: 0;
        padding: 0;
        min-height: 100px;
    }
    .container{
        background-color: gray;
        overflow: hidden;
        position: relative;
         100%;
        float: left;
    }
    .wrap{
        float: left;
         100%;
        position: relative;
        left: 200px;
        background-color: purple;
    }
    .left{
        background-color: green;
         200px;
        float: left;
        margin-left: -200px;
        /*margin-right: -100%;*/
    }
    .wrapinner{
        float: left;
        margin-left: -200px;
         100%;
    }
    .right{
        margin-left: 200px;
        overflow: hidden;
        background-color: pink;
    }

    以上几种方法经亲测,都没问题。总结一下:主要就是使用包含块使占宽之后再用负边距达到固定宽,浮动与定位结合使用,大致就这几种组合,可以根据具体实际情况灵活使用。

     
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  • 原文地址:https://www.cnblogs.com/Decmber/p/5072622.html
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