如何让下拉框在div中垂直居中？_html/css

如何让下拉框在div中垂直居中？_html/css_WEB-ITnose

WBOY

Freigeben： 2016-06-24 12:07:08

Original

2032 Leute haben es durchsucht

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head>    <title></title>    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    <style id="PinYinEditor_CSS_PinYinEditor1_dataContainer" type="text/css">        #PinYinEditor1_dataContainer ul.pinyin        {            padding: 0px;            margin: 0px;            list-style-type: none;            vertical-align: bottom;        }        #PinYinEditor1_dataContainer ul.pinyin li        {            display: inline-block;            margin: 0px;            padding: 0px;            margin-bottom: 10px;            margin-right: 2px;            font-size: 16px;        }        #PinYinEditor1_dataContainer ul.pinyin li div        {            border:1px solid blue;            display: block;            height: 50px;            line-height: 50px;            margin: 0px;            margin-bottom: 3px;            padding: 0px;            text-align: left;            vertical-align: middle;        }        #PinYinEditor1_dataContainer ul.pinyin li select        {            padding: 0px;            margin: 0px;            font-size: 12px;        }    </style></head><body>    <div id="PinYinEditor1_dataContainer">        <ul class="pinyin">            <li>                <div>                    <select name="PinYinEditor1$rptPinYin$ctl01$ddlPinYin" id="PinYinEditor1_rptPinYin_ctl01_ddlPinYin">                        <option selected="selected" value="h&aacute;ng">h&aacute;ng</option>                        <option value="h&agrave;ng">h&agrave;ng</option>                        <option value="h&eacute;ng">h&eacute;ng</option>                        <option value="x&iacute;ng">x&iacute;ng</option>                    </select></div>                行</li>        </ul>    </div></body></html>

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回复讨论(解决方案)

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head>    <title></title>    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    <style id="PinYinEditor_CSS_PinYinEditor1_dataContainer" type="text/css">        #PinYinEditor1_dataContainer ul.pinyin        {            padding: 0px;            margin: 0px;            list-style-type: none;            vertical-align: bottom;        }        #PinYinEditor1_dataContainer ul.pinyin li        {            display: inline-block;            margin: 0px;            padding: 0px;            margin-bottom: 10px;            margin-right: 2px;            font-size: 16px;			        }        #PinYinEditor1_dataContainer ul.pinyin li div        {            border:1px solid blue;            display:table-cell;            height: 50px;            line-height: 50px;            margin: 0px;            margin-bottom: 3px;            padding: 0px;            text-align: left;            vertical-align: middle;			*position:relative;        }		#PinYinEditor1_dataContainer ul.pinyin li div span        {			*position:absolute;			*top:50%;        }        #PinYinEditor1_dataContainer ul.pinyin li select        {            padding: 0px;            margin: 0px;            font-size: 12px;			*position:relative;			*top:-50%;        }    </style></head><body>    <div id="PinYinEditor1_dataContainer">        <ul class="pinyin">            <li>                <div>                	<span>                    <select name="PinYinEditor1$rptPinYin$ctl01$ddlPinYin" id="PinYinEditor1_rptPinYin_ctl01_ddlPinYin">                        <option selected="selected" value="h&aacute;ng">h&aacute;ng</option>                        <option value="h&agrave;ng">h&agrave;ng</option>                        <option value="h&eacute;ng">h&eacute;ng</option>                        <option value="x&iacute;ng">x&iacute;ng</option>                    </select></span>                    </div>                行</li>        </ul>    </div></body></html>

Nach dem Login kopieren

感谢楼上的同学，但是这个方案行不通，前提是不能改动html，只能改header，因为我只给出了一个，这个页面平均有5000个这样的汉字拼音，所以你这样改页面的大小就会骤增几十K，影响性能。

如果你不考虑兼容IE6/7的话span 可以去掉