使用Bootstrap前端框架-栅格 要点
1.使用Bootstrap需要引入的css和js:
(1)bootstrap.min.js
(2)bootstrap.min.css
2.栅格系统需要通过<div class="container"> 进行承载
3.div相比于table更适合目前的开发,友好度较高
4.栅格参数
<768px(手机)  | >=768px(Pad)  | >=992px(小型显示器)  | >=1200px(宽屏显示器)  | 
|---|---|---|---|
.col-xs-  | .col-sm-  | .col-md-  | .col-lg-  | 
Auto  | ~62px  | ~81px  | ~97px  | 
5.一个屏幕最多承载12个栅格
6.实例
<!DOCTYPE html>
<html>
<head>
    <title>
    </title>
    <script src="~/Scripts/jquery-2.1.4.min.js"></script>
    <script src="~/Scripts/bootstrap.min.js"></script>
    <link href="~/Content/bootstrap.min.css" rel="stylesheet" />
    <style>
        [class*="col-md"] {
            padding-top:15px;
            padding-bottom:15px;
            background-color:#eee;
            background-color: rgba(86,61,124,.15);
            border:1px solid #ddd;
            border:1px solid rgba(86,61,124,.2);
        }
    </style>
</head>
<body>
 <div class="container">     
     <div class="row">
         <div class="col-md-1">col-md-1</div>
         <div class="col-md-1">col-md-1</div>
         <div class="col-md-1">col-md-1</div>
         <div class="col-md-1">col-md-1</div>
         <div class="col-md-1">col-md-1</div>
         <div class="col-md-1">col-md-1</div>
         <div class="col-md-1">col-md-1</div>
         <div class="col-md-1">col-md-1</div>
         <div class="col-md-1">col-md-1</div>
         <div class="col-md-1">col-md-1</div>
         <div class="col-md-1">col-md-1</div>
         <div class="col-md-1">col-md-1</div>       
     </div>
     <div class="row">
         <div class="col-md-3">col-md-3</div>
         <div class="col-md-3">col-md-3</div>
         <div class="col-md-3">col-md-3</div>
         <div class="col-md-3">col-md-3</div>
     </div>
     <div class="row">
         <div class="col-md-3">col-md-3</div>
         <div class="col-md-3">col-md-3</div>
         <div class="col-md-3">col-md-3</div>
      
     </div>
 </div>
  
</body>
</html>效果:
实现栅栏偏移
   <div class="row">
         <div class="col-md-3 col-md-offset-3">col-md-3</div>
     </div>嵌套栅格
<div class="row">
         <div class="col-md-9">
             one
             <div class="row">
                 <div class="col-md-8">
                     first
                 </div>
                 <div class="col-md-4">
                     two
                 </div>
             </div>
         </div>
     </div>排序
     <div class="row">
         <div class="col-md-9">
             col-md-9
         </div>
         <div class="col-md-3">
             col-md-3
         </div>
     </div>
     <div class="row">
         <div class="col-md-9 col-md-push-3">
             col-md-9
         </div>
         <div class="col-md-3 col-md-pull-9">
             col-md-3
         </div>
     </div>