前端学习笔记--bootstrap

1.bootstrap3依赖jQuery？

2.如何导入？

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--导入jquery-->
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
    <!--导入bootstrap-->
    <link rel="stylesheet" href="bootstrap-3.4.1-dist/css/bootstrap.css">
    <script src="bootstrap-3.4.1-dist/js/bootstrap.js"></script>
</head>

<body>

<div class="container">

</div>

</body>
</html>

 

3.布局容器？

  • 留白的:
  • <div class="container">
  ...
</div>

     

  • 不留白
  • <div class="container-fluid">
  ...
</div>

     

  • 效果代码？
  • <!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--导入jquery-->
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
    <!--导入bootstrap-->
    <link rel="stylesheet" href="bootstrap-3.4.1-dist/css/bootstrap.css">
    <script src="bootstrap-3.4.1-dist/js/bootstrap.js"></script>
    <style>
        .c1{
            background-color: red;
            height: 200px;
        }
    </style>
</head>

<body>
<!--留白-->
<div class="container c1">

</div>

<!--不留白-->
<div class="container-fluid c1">

</div>

</body>
</html>

     

  • 效果展示

4.栅格系统？

  • 默认是对页面进行12划分
  • 演示66分，演示39分
  • <!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--导入jquery-->
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
    <!--导入bootstrap-->
    <link rel="stylesheet" href="bootstrap-3.4.1-dist/css/bootstrap.css">
    <script src="bootstrap-3.4.1-dist/js/bootstrap.js"></script>
    <style>
        .c1{
            background-color: #bce8f1;
            height: 200px;
            border: 5px solid black;
        }
    </style>
</head>

<body>

<div class="container">
    <div class="row">
        <div class="col-md-6 c1"></div>
        <div class="col-md-6 c1"></div>
        <br>
        <div class="col-md-3 c1"></div>
        <div class="col-md-9 c1"></div>
    </div>
</div>

</body>
</html>

     

  • 效果？

  •  

 5.栅格系统如何在手机端和pc端不同的样式？

  • 在class里面 增加col-md-6 c1 col-sm-6
  • <!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--导入jquery-->
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
    <!--导入bootstrap-->
    <link rel="stylesheet" href="bootstrap-3.4.1-dist/css/bootstrap.css">
    <script src="bootstrap-3.4.1-dist/js/bootstrap.js"></script>
    <style>
        .c1{
            background-color: #bce8f1;
            height: 200px;
            border: 5px solid black;
        }
    </style>
</head>

<body>

<div class="container">
    <div class="row">
        <div class="col-md-6 c1 col-sm-6"></div>
        <div class="col-md-6 c1 col-sm-6"></div>
        <br>

        <div class="col-md-3 c1"></div>
        <div class="col-md-9 c1"></div>
    </div>
</div>

</body>
</html>

     

 6.栅格的参数？

  •  

7.栅格系统进行偏移展示？

  • 利用col-lg-offset-2
  • 代码：
  • <!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--导入jquery-->
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
    <!--导入bootstrap-->
    <link rel="stylesheet" href="bootstrap-3.4.1-dist/css/bootstrap.css">
    <script src="bootstrap-3.4.1-dist/js/bootstrap.js"></script>
    <style>
        .c1 {
            background-color: #bce8f1;
            height: 200px;
            border: 5px solid black;
        }
    </style>
</head>

<body>
<div class="container">
    <div class="row ">
        <div class="col-md-6 c1">.col-md-6</div>
        <div class="col-md-6 c1">.col-md-6</div>
    </div>
    <div class="row">
        <div class="col-md-6 c1 col-lg-offset-2">.col-md-6</div>

    </div>

</div>


</body>
</html>
    View Code

     

  • 效果？

  •  

8.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

参考资料：https://www.bootcss.com/

posted @ 2023-04-25 15:26  o蹲蹲o  阅读(21)  评论(0)  编辑  收藏  举报