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Jun 24, 2016 pm 12:29 PM

FloatLayout3Cols.htm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>流体浮动布局2</title><link rel="stylesheet" type="text/css" href="Layer2.css" /></head><body>    <div id="header">        <h1 id="这里是标题">这里是标题</h1>    </div>    <div id="nav">        <ul>            <li>新闻</li>            <li>杂志</li>            <li>游戏</li>            <li>音乐</li>            <li>电影</li>            <li>娱乐</li>        </ul>    </div>    <div id="main">        <p>对于ASP.NET而言，开发人员不可避免的会将ASP.NET与ASP进行比较，因为ASP.NET可以算作是ASP的下一个版本。但是ASP.NET却与ASP完全不同，可以说微软重新将ASP进行编写和组织形成ASP.NET技术。 </p>        <p>在传统的ASP开发中，开发人员可以在页面中进行ASP代码的编写，当服务器请求相应的页面时，服务器会解析ASP代码进行页面呈现。ASP具有轻巧等特点，但是随着互联网的发展，ASP也越来越多的呈现出其不足之处，这些不足之处包括ASP代码无法和HTML代码很好的分离，这就造成了页面代码混乱、维护性低等情况。当ASP中出现错误或者需要进行功能的添加，就需要多大部分的页面进行更改，这样就降低了ASP程序的复用性和维护性。</p>        <p>对于ASP.NET而言，开发人员不可避免的会将ASP.NET与ASP进行比较，因为ASP.NET可以算作是ASP的下一个版本。但是ASP.NET却与ASP完全不同，可以说微软重新将ASP进行编写和组织形成ASP.NET技术。 </p>        <p>在传统的ASP开发中，开发人员可以在页面中进行ASP代码的编写，当服务器请求相应的页面时，服务器会解析ASP代码进行页面呈现。ASP具有轻巧等特点，但是随着互联网的发展，ASP也越来越多的呈现出其不足之处，这些不足之处包括ASP代码无法和HTML代码很好的分离，这就造成了页面代码混乱、维护性低等情况。当ASP中出现错误或者需要进行功能的添加，就需要多大部分的页面进行更改，这样就降低了ASP程序的复用性和维护性。 </p>        <p>相对于ASP而言，ASP.NET具有更加完善的开发工具。在传统的ASP开发中，可以使用Dreamware、FrontPage等工具进行页面开发。当时使用Dreamware、FrontPage等工具进行ASP应用程序开发时，其效率并不能提升，并且这些工具对ASP应用程序的开发和运行也不会带来性能提升。 </p>        <p>相比之下，对于ASP.NET应用程序而言，微软开发了Visual Studio开发环境提供给开发人员进行高效的开发，开发人员还能够使用现有的ASP.NET控件进行高效的应用程序开发，这些控件包括日历控件、分页控件、数据源控件和数据绑定控件。开发人员能够在Visual Studio开发环境中拖动相应的控件到页面中实现复杂的应用程序编写。 </p>    </div>    <div id="navr">        <ul>            <li>新闻</li>            <li>杂志</li>            <li>游戏</li>            <li>音乐</li>            <li>电影</li>            <li>娱乐</li>        </ul>    </div>    <div id="footer">        <p>版权所有，翻版必究</p>    </div></body></html>

style.css

/* CSS Document */*{    margin:0;    padding:0;}body{    margin:10px;}#header{    border:1px solid black;    height:80px;    line-height:80px;    margin-bottom:10px;    background:gray;}#header h1{    font-size:20px;    text-align:center;    height:100%;}#nav{    border:1px solid black;    height:400px;    width:20%;    float:left;    margin-bottom:10px;    background:blue;}#nav ul{    text-align:center;    list-style-type:none;}#main{    border:1px solid black;    height:400px;    width:58%;    float:left;    margin-bottom:10px;    margin-left:0.8%;}#main p{    font-size:14px;    word-spacing:2px;    line-height:150%;    text-indent:30px;}#navr{    border:1px solid black;    height:400px;    width:20%;    float:right;    margin-bottom:10px;    background:blue;}#navr ul{    text-align:center;    list-style-type:none;}#footer{    border:1px solid black;    height:80px;    clear:both;    background:silver;    line-height:80px;}#footer p{    text-align:center;    height:100%;}

The effect is as follows:

The disadvantage of this layout is that when you change the size of the browser window, the content will overflow the div and look ugly.

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