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父子元素间几种垂直对齐方式
罗盼的博客
Original
1099 people have browsed it

实例

<!DOCTYPE HTML>
<html>
<head>
	<meta http-equiv="content-type" content="text/html" />
	<meta charset="utf-8" />

	<title>垂直对齐的几种方式</title>
</head>

<body>

<style>
/*1.子元素是行内元素如a,span,p 设置水平居中:text-align:center; 
设置垂直居中:与父元素等高:line-height:父元素高度*/
.box1{
    width: 200px;
    height:200px;
    background-color: lightpink;
    text-align: center;
    line-height: 200px;
}


/*2.子元素是行内元素且多行,设置水平居中:text-align:center;设置垂直居中:先变成单元格,再居中 */
.box2{
    width: 400px;
    height:200px;
    background-color: lightgrey;
    text-align: center;
    display: table-cell;
    vertical-align: middle;
}
/*3.子元素是块级元素,设置水平居中:margin: auto ;设置垂直居中:先变成单元格,再居中 */
.box3{
    width: 200px;
    height:200px;
    background-color: green;
    display: table-cell;
    vertical-align: middle;
}

.box4{
    width: 100px;
    height:100px;
    background-color: pink;
    margin: auto ;/*水平居中*/
    
}

/*4.子元素是不定宽块级元素,设置水平居中:text-align:center ;设置垂直居中:先变成单元格,再居中 
或者直接 line-height:父元素高度*/
.box3{
    width: 200px;
    height:200px;
    background-color: green;
    display: table-cell;
    vertical-align: middle;
}

.box4{
    width: 100px;
    height:100px;
    background-color: pink;
    margin: auto ;/*水平居中*/
    
}
.box5{
    width: 200px;
    height:200px;
    background-color: grey;
    text-align: center;
    /*line-height: 200px;可以 */ 
    display: table-cell; 
   /* vertical-align: middle; 可以 */ 
    vertical-align: bottom; /*居底 */
     
    
}

.box5>ul{
    margin: 0;
    padding-left: 0; 
    margin-bottom: 10px;      
}

ul li {    
    display: inline;
    
}
</style>


<div class="box1">
<a href="http://www.baidu.com">百度</a>
</div>

<div class="box2">
<span>php学习去哪里?</span><br />
<a href="http://www.php.cn"> http://www.php.cn </a>
</div>

<div class="box3">
<div class="box4"></div>
</div>

<div class="box5">
<ul>
<li><a href="">1</a></li>
<li><a href="">2</a></li>
<li><a href="">3</a></li>
<li><a href="">4</a></li>
<li><a href="">5</a></li>
</ul>
</div>




</body>
</html>

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感悟:根据子元素的不同类型,简单应用实例证实其与当前父元素之间,如何实现垂直对齐的几种方法,可供参考!

Correction status:Uncorrected

Teacher's comments:
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