方法一:利用letter-spacing属性和em参考:https://blog.csdn.net/muyutin…html<span style=“font-size:12px;"><dl class=“hotsearch” style=“width:300px;"><dt>热门搜索</dt> <dd><a href=”#” target="_blank" ref=“nav” class=“w3”>电视机</a></dd> <dd><a href="#" target="_blank" ref=“nav” class=“w4”>性感漂亮</a></dd> <dd><a href="#" target="_blank" ref=“nav” class=“w3”>高跟鞋</a></dd> <dd><a href="#" target="_blank" ref=“nav” class=“w2”>手机</a></dd> <dd><a href="#" target="_blank" ref=“nav” class=“w2”>对齐</a></dd> <dd><a href="#" target="_blank" ref=“nav” class=“w3”>牛仔裤</a></dd> <dd><a href="#" target="_blank" ref=“nav” class=“w4”>小家碧玉</a></dd> <dd><a href="#" target="_blank" ref=“nav” class=“w2”>家居</a></dd></dl></span> css<style type=“text/css”>.hotsearch dd{float: left;line-height: 24px;margin-right: 30px;overflow: hidden;text-align: center;width: 4em; /这个值是看最长能显示几个文字,如x,则为x em/}.hotsearch dd a{display:block;}.w2{letter-spacing:2em; /*如果需要y个字两端对齐,则为(x-y)/(y-1),这里是(4-2)/(2-1)=2em */margin-right:-2em; /同上/}.w3{letter-spacing:0.5em; /*如果需要y个字两端对齐,则为(x-y)/(y-1),这里是(4-3)/(3-1)=0.5em */margin-right:-0.5em; /同上/}</style>}方法二:利用透明字占位<text style=“opacity: 0;">空格</text>方法三:利用两端对齐属性text-align:justify;width:100px;