发布于 2016-01-02 02:25:31 | 258 次阅读 | 评论: 0 | 来源: PHPERZ
Bootstrap Web前端CSS框架
Bootstrap是Twitter推出的一个开源的用于前端开发的工具包。它由Twitter的设计师Mark Otto和Jacob Thornton合作开发,是一个CSS/HTML框架。Bootstrap提供了优雅的HTML和CSS规范,它即是由动态CSS语言Less写成。Bootstrap一经推出后颇受欢迎,一直是GitHub上的热门开源项目,包括NASA的MSNBC(微软全国广播公司)的Breaking News都使用了该项目。
Bootstrap表单类型分为三种格式:垂直或基本表单、内联表单、水平表单。
基本的表单结构是 Bootstrap 自带的,个别的表单控件自动接收一些全局样式。下面列出了创建基本表单的步骤:
<!doctype html>
<html lang="en">
<head>
<!--网站编码格式,UTF-8 国际编码,GBK或 gb2312 中文编码-->
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="Keywords" content="关键词一,关键词二">
<meta name="Description" content="网站描述内容">
<meta name="Author" content="Yvette Lau">
<meta name = "viewport" content = " width = device-width, initial-scale = 1 ">
<title>BootstrapDemo</title>
<!--css js 文件的引入-->
<link rel="stylesheet" type="text/css" href="../bootstrap-3.3.5-dist/css/bootstrap.min.css">
</head>
<body style="padding: 20px;">
<div class = "col-xs-12 col-sm-6 col-md-4 col-lg-3">
<form role = "form">
<div class = "form-group">
<label for = "name">姓名</label>
<input type = "text" class = "form-control" id = "name"
placeholder = "请输入姓名"></input>
</div>
<div class = "form-group">
<label for = "tel">电话号码</label>
<input type="text" class="form-control" id = "tel"
placeholder = "请输入您的电话号码"></input>
</div>
<div class = "form-group">
<label for = "idCard">请上传身份证</label>
<input type = "file" id = "idCard"></input>
</div>
<div class = "form-group">
<label for = "profession">选择职业</label>
<select id = "profession" class = "form-control">
<option>软件工程师</option>
<option>测试工程师</option>
<option>硬件工程师</option>
<option>质量分析师</option>
</select>
</div>
<div class="form-group">
<button type = "submit" class="btn-info btn-lg">提交</button>
</div>
</form>
</div>
</body>
</html>
效果如下:
如果我们将select的form-control去掉,并给input type = "file"加上form-control,看看效果如何。
是不是能看出和上面效果的区别了呢?这样您大概明白form-control的作用了,它是设置外围的边框效果,包括宽、高、获取
焦点时form的样式。
如果需要创建一个表单,它的所有元素是内联的,向左对齐的,标签是并排的,请向 <form> 标签添加 class .form-inline。
因为head部分的内容都是一样的,所以我们只列出body部分的内容。
<body style="padding: 20px;">
<form role = "form" class="form-inline">
<div class = "form-group">
<label for = "name">姓名</label>
<input type = "text" class = "form-control" id = "name" placeholder = "请输入姓名"></input>
</div>
<div class = "form-group">
<label for = "tel">电话号码</label>
<input type="text" class="form-control" id = "tel" placeholder = "请输入您的电话号码"></input>
</div>
<div class = "form-group">
<label for = "idCard">请上传身份证</label>
<input type = "file" id = "idCard"></input>
</div>
<div class = "form-group">
<label for = "profession">选择职业</label>
<select id = "profession" class = "form-control">
<option>软件工程师</option>
<option>测试工程师</option>
<option>硬件工程师</option>
<option>质量分析师</option>
</select>
</div>
<div class="form-group">
<button type = "submit" class="btn-info btn-lg">提交</button>
</div>
</form>
</body>
水平表单与其他表单不仅标记的数量上不同,而且表单的呈现形式也不同。如需创建一个水平布局的表单,请按下面的几个步骤进行:
<body style="padding: 20px;">
<form role = "form" class="form-horizontal">
<div class = "form-group">
<label class="col-sm-2 control-label" for = "name">姓名</label>
<div class="col-sm-2">
<input type = "text" class = "form-control" id = "name"
placeholder = "请输入姓名"></input>
</div>
</div>
<div class = "form-group">
<label class="col-sm-2 control-label" for = "tel">电话号码</label>
<div class="col-sm-2">
<input type="text" class="form-control" id = "tel"
placeholder = "请输入您的电话号码"></input>
</div>
</div>
<div class = "form-group">
<label class="col-sm-2 control-label" for = "idCard">请上传身份证</label>
<div class="col-sm-2">
<input type = "file" id = "idCard" style="display:inline-block;"></input>
</div>
</div>
<div class = "form-group">
<label class="col-sm-2 control-label" for = "profession">选择职业</label>
<div class="col-sm-2">
<select id = "profession" class = "form-control">
<option>软件工程师</option>
<option>测试工程师</option>
<option>硬件工程师</option>
<option>质量分析师</option>
</select>
</div>
</div>
<div class="form-group">
<div class="col-sm-2 col-sm-offset-2">
<button type = "submit" class="btn-info btn-lg">提交</button>
</div>
</div>
</form>
</body>