html5 css iframe实现后台框架,仅用于学习案例(HTML5 CSS iframe implements the background framework, which is only used for learning cases)

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>Admin</title>
<style type="text/css">
*{
    padding:0;
    margin:0;
}
.frame-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    z-index: 1000;
    background-color: #23262E;
}
.frame-side {
    position: fixed;
    top: 60px;
    left: 0;
    bottom: 0;
    width: 200px;
    z-index: 999;
    overflow-x: hidden;
}
.frame-side-scroll {
    position: relative;
    width: 220px;
    height: 100%;
    overflow-x: hidden;
    background-color:#999;
}
.frame-main {
    position: absolute;
    left: 200px;
    top: 60px;
    right: 0;
    bottom: 0;
    z-index: 900;
    width: auto;
    height:auto;
    box-sizing: border-box;
    overflow:hidden;
    /*padding-bottom: 44px;如果不需要页脚可以去掉*/
}
.frame-footer {
    position: fixed;
    left: 200px;
    right: 0;
    bottom: 0;
    z-index: 990;
    height: 44px;
    line-height: 44px;
    padding: 0 15px;
    background-color: #FAFAFA;
    display:none;/*如果需要页脚去掉可以去掉*/
}
</style>
</head>

<body>
<div class="frame-layout-admin">
  <div class="frame-header">
  <!-- 头部区域 --> 
   <h1 style="color:#FFF">header</h1>
  </div>
  <div class="frame-side">
    <!-- 左侧区域 --> 
    <div class="frame-side-scroll">
        <ul style="text-align:center;">
            <li><a href="main.html" target="main">首页</a></li>
            <li><a href="main.html" target="main">链接1</a></li>
            <li><a href="main.html" target="main">链接2</a></li>
        </ul>
    </div>
  </div>
  <div class="frame-main"> 
    <!-- 内容主体区域 -->
    <iframe name="main" src="main.html" width="100%" height="100%" frameborder="0"></iframe>
  </div>
  <div class="frame-footer"> 
    <!-- 页脚区域 --> 
    页脚区域
  </div>
</div>
</body>
</html>
————————
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>Admin</title>
<style type="text/css">
*{
    padding:0;
    margin:0;
}
.frame-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    z-index: 1000;
    background-color: #23262E;
}
.frame-side {
    position: fixed;
    top: 60px;
    left: 0;
    bottom: 0;
    width: 200px;
    z-index: 999;
    overflow-x: hidden;
}
.frame-side-scroll {
    position: relative;
    width: 220px;
    height: 100%;
    overflow-x: hidden;
    background-color:#999;
}
.frame-main {
    position: absolute;
    left: 200px;
    top: 60px;
    right: 0;
    bottom: 0;
    z-index: 900;
    width: auto;
    height:auto;
    box-sizing: border-box;
    overflow:hidden;
    /*padding-bottom: 44px;如果不需要页脚可以去掉*/
}
.frame-footer {
    position: fixed;
    left: 200px;
    right: 0;
    bottom: 0;
    z-index: 990;
    height: 44px;
    line-height: 44px;
    padding: 0 15px;
    background-color: #FAFAFA;
    display:none;/*如果需要页脚去掉可以去掉*/
}
</style>
</head>

<body>
<div class="frame-layout-admin">
  <div class="frame-header">
  <!-- 头部区域 --> 
   <h1 style="color:#FFF">header</h1>
  </div>
  <div class="frame-side">
    <!-- 左侧区域 --> 
    <div class="frame-side-scroll">
        <ul style="text-align:center;">
            <li><a href="main.html" target="main">首页</a></li>
            <li><a href="main.html" target="main">链接1</a></li>
            <li><a href="main.html" target="main">链接2</a></li>
        </ul>
    </div>
  </div>
  <div class="frame-main"> 
    <!-- 内容主体区域 -->
    <iframe name="main" src="main.html" width="100%" height="100%" frameborder="0"></iframe>
  </div>
  <div class="frame-footer"> 
    <!-- 页脚区域 --> 
    页脚区域
  </div>
</div>
</body>
</html>