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注意:
* div和span都可以称为“图层”* 图层的作用是为了保证页面可以灵活的布局。* 图层就是一个一个的盒子,div嵌套div就是盒子套盒子。* div和span是可以定位的,只要定下div的左上角的x轴和y轴坐标即可。
现代的网页开发中div布局使用最多,几乎很少使用table进行布局了。
div独自占用一行(默认情况下)span不会独自占用一行,它的长度是封装数据的长度
朴灿烈朴灿烈朴灿烈朴灿烈
City Gallery
London
London is the capital city of England. It is the most populous city in the United Kingdom, with a metropolitan area of over 13 million inhabitants.
Standing on the River Thames, London has been a major settlement for two millennia, its history going back to its founding by the Romans, who named it Londinium.
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