Bootstrap是Twitter开源的基于HTML、CSS、JavaScript的前端框架。css
它是为实现快速开发Web应用程序而设计的一套前端工具包。html
它支持响应式布局,而且在V3版本以后坚持移动设备优先。前端
bootstrap-3.3.7-dist/ ├── css // CSS文件 │ ├── bootstrap-theme.css // Bootstrap主题样式文件 │ ├── bootstrap-theme.css.map │ ├── bootstrap-theme.min.css // 主题相关样式压缩文件 │ ├── bootstrap-theme.min.css.map │ ├── bootstrap.css │ ├── bootstrap.css.map │ ├── bootstrap.min.css // 核心CSS样式压缩文件 │ └── bootstrap.min.css.map ├── fonts // 字体文件 │ ├── glyphicons-halflings-regular.eot │ ├── glyphicons-halflings-regular.svg │ ├── glyphicons-halflings-regular.ttf │ ├── glyphicons-halflings-regular.woff │ └── glyphicons-halflings-regular.woff2 └── js // JS文件 ├── bootstrap.js ├── bootstrap.min.js // 核心JS压缩文件 └── npm.js
处理依赖jquery
因为Bootstrap的某些组件依赖于jQuery,因此请确保下载对应版本的jQuery文件,来保证Bootstrap相关组件运行正常。git
<h1>一级标题36px</h1> <h2>二级标题30px</h2> <h3>三级标题24px</h3> <h4>四级标题18px</h4> <h5>五级标题14px</h5> <h6>六级标题12px</h6> <!--除了使用h标签,Bootstrap内置了相应的全局样式--> <!--内联标签应用标题样式--> <span class="h1">一级标题36px</span> <span class="h2">二级标题30px</span> <span class="h3">三级标题24px</span> <span class="h4">四级标题18px</span> <span class="h5">五级标题14px</span> <span class="h6">六级标题12px</span>
<!--一级标题中嵌入小标题--> <h1>一级标题<small>小标题</small></h1>
<!--文本对齐--> <p class="text-left">文本左对齐</p> <p class="text-center">文本居中</p> <p class="text-right">文本右对齐</p>
<!--大小写--> <p class="text-lowercase">Lowercased text.</p> <p class="text-uppercase">Uppercased text.</p> <p class="text-capitalize">Capitalized text.</p>
Class | 描述 |
---|---|
.table-striped |
条纹状表格 |
.table-bordered |
带边框的表格 |
.table-hover |
鼠标悬停变色的表格 |
````.table-condensed | 紧缩型表格 |
.table-responsive |
响应式表格 |
Class` | 描述 |
---|---|
.active |
鼠标悬停在行或单元格上时所设置的颜色 |
.success |
标识成功或积极的动做 |
.info |
标识普通的提示信息或动做 |
.warning |
标识警告或须要用户注意 |
.danger |
标识危险或潜在的带来负面影响的动做 |
<a class="btn btn-default" href="#" role="button">Link</a> <button class="btn btn-default" type="submit">Button</button> <input class="btn btn-default" type="button" value="Input"> <input class="btn btn-default" type="submit" value="Submit">
<!-- Standard button --> <button type="button" class="btn btn-default">(默认样式)Default</button> <!-- Provides extra visual weight and identifies the primary action in a set of buttons --> <button type="button" class="btn btn-primary">(首选项)Primary</button> <!-- Indicates a successful or positive action --> <button type="button" class="btn btn-success">(成功)Success</button> <!-- Contextual button for informational alert messages --> <button type="button" class="btn btn-info">(通常信息)Info</button> <!-- Indicates caution should be taken with this action --> <button type="button" class="btn btn-warning">(警告)Warning</button> <!-- Indicates a dangerous or potentially negative action --> <button type="button" class="btn btn-danger">(危险)Danger</button> <!-- Deemphasize a button by making it look like a link while maintaining button behavior --> <button type="button" class="btn btn-link">(连接)Link</button>
<p> <button type="button" class="btn btn-primary btn-lg">(大按钮)Large button</button> <button type="button" class="btn btn-default btn-lg">(大按钮)Large button</button> </p> <p> <button type="button" class="btn btn-primary">(默认尺寸)Default button</button> <button type="button" class="btn btn-default">(默认尺寸)Default button</button> </p> <p> <button type="button" class="btn btn-primary btn-sm">(小按钮)Small button</button> <button type="button" class="btn btn-default btn-sm">(小按钮)Small button</button> </p> <p> <button type="button" class="btn btn-primary btn-xs">(超小尺寸)Extra small button</button> <button type="button" class="btn btn-default btn-xs">(超小尺寸)Extra small button</button> </p>
###5.8 图片github
<img src="..." class="img-responsive" alt="Responsive image">
<img src="..." alt="..." class="img-rounded"> <img src="..." alt="..." class="img-circle"> <img src="..." alt="..." class="img-thumbnail">
<p class="text-muted">...</p> <p class="text-primary">...</p> <p class="text-success">...</p> <p class="text-info">...</p> <p class="text-warning">...</p> <p class="text-danger">...</p>
<p class="bg-primary">...</p> <p class="bg-success">...</p> <p class="bg-info">...</p> <p class="bg-warning">...</p> <p class="bg-danger">...</p>
<button type="button" class="close" aria-label="Close"><span aria-hidden="true">×</span></button>
<span class="caret"></span>
<div class="pull-left">...</div> <div class="pull-right">...</div>
<div class="center-block">...</div>
<!-- Usage as a class --> <div class="clearfix">...</div>
<div class="show">...</div> <div class="hidden">...</div>
var $d1 = $("#d1"); var width = 0; var theID = setInterval(setValue, 200); function setValue() { if (width === 100) { clearInterval(theID); } else { width++; $d1.css("width", width+"%").text(width+"%"); } }
CSS3@media查询
device-width, device-height
屏幕宽、高width,height
渲染窗口宽、高orientation
设备方向resolution
设备分辨率@media mediatype and|not|only (media feature) { CSS-Code; }
<link rel="stylesheet" media="mediatype and|not|only (media feature)" href="mystylesheet.css">
viewportajax
手机浏览器是把页面放在一个虚拟的"窗口"(viewport)中,一般这个虚拟的"窗口"(viewport)比屏幕宽,这样就不用把每一个网页挤到很小的窗口中(这样会破坏没有针对手机浏览器优化的网页的布局),用户能够经过平移和缩放来看网页的不一样部分。npm
设置viewportbootstrap
一个经常使用的针对移动网页优化过的页面的 viewport meta 标签大体以下:canvas
<meta name=”viewport” content=”width=device-width, initial-scale=1, maximum-scale=1″>
- ````width````:控制 viewport 的大小,能够指定的一个值,若是 600,或者特殊的值,如 device-width 为设备的宽度(单位为缩放为 100% 时的 CSS 的像素)。 - ````height````:和 width 相对应,指定高度。 - ````initial-scale````:初始缩放比例,也便是当页面第一次 load 的时候缩放比例。 - ````maximum-scale````:容许用户缩放到的最大比例。 - ````minimum-scale````:容许用户缩放到的最小比例。 - ````user-scalable````:用户是否能够手动缩放。
<!-- 触发模态框的按钮 --> <button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal"> Launch demo modal </button> <!-- 模态框 --> <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> <h4 class="modal-title" id="myModalLabel">Modal title</h4> </div> <div class="modal-body"> ... </div> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">Close</button> <button type="button" class="btn btn-primary">Save changes</button> </div> </div> </div> </div>
<button type="button" data-toggle="modal" data-target="#myModal">显示模态框</button>
$('#myModal').modal("show"); // 显示 $('#myModal').modal("hide") // 隐藏
名称 | 可选值 | 默认值 | 描述 |
---|---|---|---|
backdrop |
true/false/'static' |
true |
false 表示有没有遮罩层,<br> 'static' 表示点击遮罩层不关闭模态框 |
keyboard |
true/false |
true |
键盘上的 esc 键被按下时关闭模态框。 |
show |
true/false |
true |
模态框初始化以后就当即显示出来。 |
$('#myModal').modal({ keyboard: false })
<div id="carousel-example-generic" class="carousel slide" data-ride="carousel"> <!-- Indicators --> <ol class="carousel-indicators"> <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li> <li data-target="#carousel-example-generic" data-slide-to="1"></li> <li data-target="#carousel-example-generic" data-slide-to="2"></li> </ol> <!-- Wrapper for slides --> <div class="carousel-inner" role="listbox"> <div class="item active"> <img src="..." alt="..."> <div class="carousel-caption"> ... </div> </div> <div class="item"> <img src="..." alt="..."> <div class="carousel-caption"> ... </div> </div> ... </div> <!-- Controls --> <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev"> <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span> <span class="sr-only">Previous</span> </a> <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next"> <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span> <span class="sr-only">Next</span> </a> </div>
<div class="item"> <img src="..." alt="..."> <div class="carousel-caption"> <h3>...</h3> <p>...</p> </div> </div>
$('.carousel').carousel({ interval: 2000 })
SweetAlert:https://github.com/t4t5/sweetalert
SweetAlert2:https://github.com/sweetalert2/sweetalert2
SweetAlert 到 SweetAlert2 升级指南:https://github.com/sweetalert2/sweetalert2/wiki/Migration-from-SweetAlert-to-SweetAlert2
基本使用:
swal("标题","内容","success);
使用SweetAlert在Ajax提交成功(done)或失败(error)时分别提示不用的内容。
这是更新以前版本的写法
function deleteRecord(recordID) { swal({ title: "肯定要删除这个产品吗?", text: "删除后可就没法恢复了。", type: "warning", showCancelButton: true, closeOnConfirm: false, confirmButtonText: "是的,我要删除!", confirmButtonColor: "#ec6c62", cancelButtonText: "容我三思" }, function (isConfirm) { if (!isConfirm) return; $.ajax({ type: "post", url: "/delete/", data: {"id": recordID}, success: function (data) { var dataObj = $.parseJSON(data); if (dataObj.status === 0) { //后端删除成功 swal("删除成功", dataObj.info, "success"); $("#p-" + recordID).remove() //删除页面中那一行数据 } else { swal("出错啦。。。", dataObj.msg, "error"); //后端删除失败 } }, error: function () { // ajax请求失败 swal("啊哦。。。", "服务器走丢了。。。", "error"); } }) }); }
swal({ title: "这里写标题", text: "这里放内容", icon: "warning", // 这里放图标的类型(success,warning,info,error) buttons: { cancel: { text: "容我三思", visible: true, value: false }, confirm: { text: "我就是要删除" } } }).then(function (isConfirm) { if (isConfirm){ swal("你死定了", {button: "确认"}); }
toastr["success"]("你已经成功被绿!")
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <meta http-equiv="x-ua-compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>懒加载示例</title> </head> <body> <div> <div><img src="img/0.jpg" alt="" class="lazy" data-original="img/5.jpg" width="600px" height="400px"></div> ... <div><img src="img/0.jpg" alt="" class="lazy" data-original="img/6.jpg" width="600px" height="400px"></div> </div> <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script> <script src="jquery.lazyload.min.js"></script> <script> $("img.lazy").lazyload({ effect: "fadeIn", event: "click" }) </script> </body> </html>