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bootstrap和jquery

2024-05-30 10:05:59 前端知识 前端哥 885 184 我要收藏

文章目录

  • 一、jQuery
    • 1.1快速上手
    • 1.2寻找标签(直接寻找)
    • 1.3间接寻找
    • 案例：菜单的切换
    • 1.4操作样式
    • 1.5值的操作
    • 案例：输入内容
    • 1.6事件
      • 提前执行
    • 案例：表格操作
  • 二、前端整合
    • boot和jq的大杂烩
    • 案例：添加数据页面
  • 总结

一、jQuery

jQuery是一个js第三方模块
现成的工具依赖jq，例如bootstrap动态效果

  • 下载
  • 安装

1.1快速上手

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1 id="txt">中国联通</h1>

<script src="static/jquery-3.7.1.min.js">

</script>
<script type="text/javascript">
    // document.getElementById("txt").innerText="asd"
    $("#txt").text("广西联通");
</script>
</body>
</html>

1.2寻找标签(直接寻找)

  • ID选择器
<h1 id="txt">中国联通</h1>
<h1 id="txt1">中国联通</h1>
<h1 id="txt2">中国联通</h1>
$("#txt")
  • 样式选择器（类选择器）
<h1 class="c1">中国联通</h1>
<h1 class="c1">中国联通</h1>
<h1 class="c2">中国联通</h1>

$(".c1")
  • 标签选择器
<h1 class="c1">中国联通</h1>
<h1 class="c1">中国联通</h1>
<h1 class="c2">中国联通</h1>

$("h1")
  • 层级选择器
<div class="c1">
    <div class="c2">
        <a href="" class="cc"></a>
        <span>123</span>
    </div>
    
    
</div>

$(".c1 .c2 a")
  • 多选择器
<div class="c1">
    <div class="c2">
        <a href="" class="cc"></a>
        <span>123</span>
    </div>
    
    <ul>
    <li></li>
    <li></li>
</ul>
</div>

$(".c2,li")
  • 属性选择器
    <input type="text" name="n1">
    <input type="text" name="n1">
    <input type="text" name="n2">

$("input[name='n1'])

1.3间接寻找

  • 找到兄弟
<div>
    <div>北京</div>
    <div id='c1'>上海</div>
    <div>深圳</div>
</div>
$("#c1").prev()//前一个兄弟
$("#c1")
$("#c1").next()
$("#c1").next().next()
$("#c1").siblings()//所有兄弟
  • 找到父母
<div>
    <div id='c2'>
        <div class="p1">1</div>
        <div>2</div>
        <div>3</div>
    </div>
    <div>
        <div>北京</div>
        <div id='c1'>上海</div>
        <div>深圳</div>
    </div>
</div>
$("#c1").parent()//父子
$("#c1").parent().parent()
$("#c2").children()
$("#cc2").children(".p1")
$("#c2").find()
$("#c2").find(".p1")//所有子孙们
$("#c2").find("div")

案例：菜单的切换

  • 点击head收缩或者展开
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .menus {
            width: 200px;
            height: 800px;
            border: 1px solid red;
        }

        .menus .header {
            background-color: gold;
            padding: 10px 5px;
        }

        .menus .content a {
            display: block;
            padding: 5px 5px;
            border-bottom: 1px dotted #dddddd;
        }

        .hide {
            display: none;
        }
    </style>
</head>
<body>
<div class="menus">
    <div class="item">
        <div class="header" onclick="myf(this)">上海</div>
        <div class="content hide">
            <a>宝山区</a>
            <a>青浦区</a>
            <a>浦东新区</a>
            <a>普陀区</a>
        </div>
    </div>
    <div class="item">
        <div class="header" onclick="myf(this)">北京</div>
        <div class=" content hide">
        <a>海淀区</a>
        <a>朝阳区</a>
        <a>大兴区</a>
        <a>昌平区</a>
    </div>
</div>
</div>
<script src="static/jquery-3.7.1.min.js"></script>
<script type="text/javascript">
    function myf(self) {
        var cont = $(self).next()
        if (cont.hasClass("hide")) {
            cont.removeClass("hide")
        } else {
            cont.addClass("hide")
        }
    }
</script>
</body>
</html>

只有一个菜单展开，展开另一个时其他展开的菜单合拢

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .menus {
            width: 200px;
            height: 800px;
            border: 1px solid red;
        }

        .menus .header {
            background-color: gold;
            padding: 10px 5px;
        }

        .menus .content a {
            display: block;
            padding: 5px 5px;
            border-bottom: 1px dotted #dddddd;
        }

        .hide {
            display: none;
        }
    </style>
</head>
<body>
<div class="menus">
    <div class="item">
        <div class="header" onclick="myf(this)">上海</div>
        <div class="content hide">
            <a>宝山区</a>
            <a>青浦区</a>
            <a>浦东新区</a>
            <a>普陀区</a>
        </div>
    </div>
    <div class="item">
        <div class="header" onclick="myf(this)">北京</div>
        <div class=" content hide">
            <a>海淀区</a>
            <a>朝阳区</a>
            <a>大兴区</a>
            <a>昌平区</a>
        </div>
    </div>
    <div class="item">
        <div class="header" onclick="myf(this)">北京2</div>
        <div class=" content hide">
            <a>海淀区</a>
            <a>朝阳区</a>
            <a>大兴区</a>
            <a>昌平区</a>
        </div>
    </div>
    <div class="item">
        <div class="header" onclick="myf(this)">北京3</div>
        <div class=" content hide">
            <a>海淀区</a>
            <a>朝阳区</a>
            <a>大兴区</a>
            <a>昌平区</a>
        </div>
    </div>
</div>
<script src="static/jquery-3.7.1.min.js"></script>
<script type="text/javascript">
    function myf(self) {
        var cont = $(self).next();
        cont.removeClass("hide");
        others=$(self).parent().siblings().find(".content")
        others.addClass("hide")


    }
</script>
</body>
</html>

1.4操作样式

  • addClass
  • removeClass
  • hasClass

1.5值的操作

<div id='c1'>内容</div>
<input type="text" id="c2">

$("#c1").text()//获取文本内容
$("#c1").text("content")//设置文本内容
$("#c2").val//获取文本内容
$("#c2").val("content")//设置文本内容

案例：输入内容

将input输入的内容展示在新创建的表单里

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="text" id="c1" placeholder="usernane">
<input type="text" id="c2" placeholder="password">
<input type="button" value="提交" onclick="getInfo()">

<ul id="view">

</ul>
<script src="static/jquery-3.7.1.min.js"></script>
<script>
    function getInfo(){
        //获取信息
        var user=$("#c1").val();
        var pasw=$("#c2").val();
        var dataString=user+' - '+pasw;
        //创建新li并将text加入
        var newLi=$("<li>").text(dataString);
        //将创建的li加入到ul
        $("#view").append(newLi);
    }
</script>
</body>
</html>

1.6事件

点击表单中的数据，将其输出到console

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<ur>
    <li>北京</li>
    <li>上海</li>
    <li>广州</li>
</ur>
<script src="static/jquery-3.7.1.min.js"></script>
<script>
    $("li").click(function () {
        var text = $(this).text();
        console.log(text);
    });
</script>
</body>
</html>
  • 点谁删除谁
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<ur>
    <li>北京</li>
    <li>上海</li>
    <li>广州</li>
</ur>
<script src="static/jquery-3.7.1.min.js"></script>
<script>
    $("li").click(function () {
         $(this).remove();

    });
</script>
</body>
</html>

提前执行

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<ur>
    <li>北京</li>
    <li>上海</li>
    <li>广州</li>
</ur>
<script src="static/jquery-3.7.1.min.js"></script>
<script>
    $(function (){
    //当页面框架加载完成之后，自动执行
        $("li").click(function () {
            $(this).remove();

        });
    });
</script>
</body>
</html>

案例：表格操作

删除表格

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<table>
    <thead>
    <tr>
        <th>ID</th>
        <th>name</th>
        <th>操作</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td>1</td>
        <td>why</td>
        <td><input type="button" class="del" value="删除"></td>
    </tr>
    <tr>
        <td>1</td>
        <td>why</td>
        <td><input type="button" class="del" value="删除"></td>
    </tr>
    <tr>
        <td>1</td>
        <td>why</td>
        <td><input type="button" class="del" value="删除"></td>
    </tr>
    <tr>
        <td>1</td>
        <td>why</td>
        <td><input type="button" class="del" value="删除"></td>
    </tr>
    </tbody>
</table>
<script src="static/jquery-3.7.1.min.js">

</script>
<script>
     $(function (){
        $(".del").click(function (){
            $(this).parent().parent().remove();
        });
    });
</script>
</body>
</html>

二、前端整合

  • HTML
  • CSS
  • JS,JQ
  • BootStrap(动态效果依赖jq)

boot和jq的大杂烩

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="static/plugins/bootstrap-3.4.1-dist/css/bootstrap.css">
    <link rel="stylesheet" href="static/plugins/font-awesome-4.7.0/css/font-awesome.css">
    <style>
        .navbar {
            border-radius: 0;
        }
    </style>
</head>
<body>
<nav class="navbar navbar-inverse">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-9" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">广西联通薪资系统</a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-9">
            <ul class="nav navbar-nav">
                <li class="active"><a href="#">Home</a></li>
                <li><a href="#">Link</a></li>
                <li><a href="#">Link</a></li>
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
                       aria-expanded="false">Dropdown <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="#">Action</a></li>
                        <li><a href="#">Another action</a></li>
                        <li><a href="#">Something else here</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#">Separated link</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#">One more separated link</a></li>
                    </ul>
                </li>
            </ul>
            <ul class="nav navbar-nav navbar-right">
                <li><a href="#">登陆</a></li>
                <li><a href="#">注册</a></li>
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
                       aria-expanded="false">王泓一 <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="#">Action</a></li>
                        <li><a href="#">Another action</a></li>
                        <li><a href="#">Something else here</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#">Separated link</a></li>
                    </ul>
                </li>
            </ul>
        </div><!-- /.navbar-collapse -->

    </div><!-- /.container-fluid -->
</nav>
<div>
    <!-- Button trigger modal -->
    <button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">
        Launch demo modal
    </button>

    <!-- Modal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">&times;</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>
</div>
<button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="top" title="Tooltip on left">Tooltip
    on left
</button>

<button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="top" title="Tooltip on top">Tooltip
    on top
</button>

<button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="Tooltip on bottom">
    Tooltip on bottom
</button>

<button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="right" title="Tooltip on right">
    Tooltip on right
</button>
<!--引用由先后顺序-->
<button id="example1" type="button" class="btn btn-lg btn-danger" title="我是一个标题"
        data-content="我是内容">点我弹出/隐藏弹出框
</button>
<button id="example" type="button" class="btn btn-lg btn-danger bs-docs-popover" data-toggle="popover" title="我是一个标题"
        data-content="我是内容" data-original-title="Popover title"
        aria-describedby="popover738064">点我弹出/隐藏弹出框
</button>
<!--幻灯片的事件是已经写好的，在内部-->
<div style="width: 700px" id="carousel-example-captions" class="carousel slide" data-ride="carousel">
      <ol class="carousel-indicators">
        <li data-target="#carousel-example-captions" data-slide-to="0" class=""></li>
        <li data-target="#carousel-example-captions" data-slide-to="1" class=""></li>
        <li data-target="#carousel-example-captions" data-slide-to="2" class="active"></li>
      </ol>
      <div class="carousel-inner" role="listbox">
        <div class="item">
          <img data-src="holder.js/900x500/auto/#777:#777" alt="900x500" src="data:image/svg+xml;base64,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" data-holder-rendered="true">
          <div class="carousel-caption">
            <h3>First slide label</h3>
            <p>Nulla vitae elit libero, a pharetra augue mollis interdum.</p>
          </div>
        </div>
        <div class="item">
          <img data-src="holder.js/900x500/auto/#666:#666" alt="900x500" src="data:image/svg+xml;base64,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" data-holder-rendered="true">
          <div class="carousel-caption">
            <h3>Second slide label</h3>
            <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
          </div>
        </div>
        <div class="item active">
          <img data-src="holder.js/900x500/auto/#555:#555" alt="900x500" src="data:image/svg+xml;base64,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" data-holder-rendered="true">
          <div class="carousel-caption">
            <h3>Third slide label</h3>
            <p>Praesent commodo cursus magna, vel scelerisque nisl consectetur.</p>
          </div>
        </div>
      </div>
      <a class="left carousel-control" href="#carousel-example-captions" 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-captions" role="button" data-slide="next">
        <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
        <span class="sr-only">Next</span>
      </a>
    </div>

<script src="static/js/jquery-3.7.1.min.js"></script>
<script src="static/plugins/bootstrap-3.4.1-dist/js/bootstrap.js"></script>
<script>
    $(function () {
        $('[data-toggle="tooltip"]').tooltip();
        $('#example').popover({trigger: 'click', placement: "bottom"});
        $('.carousel').carousel({
            interval: 2000
        });
    })
</script>

</body>
</html>

在这里插入图片描述
这些功能来自bootstrapv3里面的js插件

案例：添加数据页面

人员信息录入
用户名、年龄、薪资、部门、入职时间

  • 时间应该选择而不是录入（插件）datetimepicker
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="static/plugins/bootstrap-3.4.1-dist/css/bootstrap.css">
    <link rel="stylesheet" href="static/plugins/font-awesome-4.7.0/css/font-awesome.css">
    <style>
        .form-group{
            margin-top: 20px;
        }
    </style>
</head>
<body>
<div class="container">
    <form class="form-horizontal">
        <div class="row">
            <div class="col-xs-6">
                <div class="form-group">

                    <label class="col-sm-2 control-label">姓名</label>
                    <div class="col-sm-10">
                        <input type="text" class="form-control" placeholder="姓名">
                    </div>
                </div>
            </div>
            <div class="col-xs-6">
                <div class="form-group">
                    <label class="col-sm-2 control-label">年龄</label>
                    <div class="col-sm-10">
                        <input type="text" class="form-control" placeholder="年龄">
                    </div>
                </div>
            </div>
        </div>
        <div class="row">
            <div class="col-xs-6">
                <div class="form-group">
                    <label class="col-sm-2 control-label">薪资</label>
                    <div class="col-sm-10">
                        <input type="text" class="form-control" placeholder="薪资">
                    </div>
                </div>
            </div>
            <div class="col-xs-6">
                <div class="form-group">
                    <label class="col-sm-2 control-label">部门</label>
                    <div class="col-sm-10">

                        <select class="form-control">
                            <option value="">IT部门</option>
                            <option value="">销售部门</option>
                            <option value="">运营部门</option>
                        </select>
                    </div>
                </div>
            </div>
        </div>
        <!--        入职日期应该选择-->
        <div class="row">
            <div class="col-xs-6">
                <div class="form-group">
                    <label class="col-sm-2 control-label">入职日期</label>
                    <div class="col-sm-10">
                        <input type="date" class="form-control" placeholder="入职日期">
                    </div>
                </div>
            </div>
        </div>
        <div class="row">
            <div class="col-xs-6">
                <div class="form-group">
                    <div class="col-sm-offset-2 col-sm-10">
                        <button type="submit" class="btn btn-primary">提 交</button>
                    </div>
                </div>
            </div>
        </div>

    </form>
</div>
<script src="static/js/jquery-3.7.1.min.js"></script>
<script src="static/plugins/bootstrap-3.4.1-dist/js/bootstrap.js"></script>
</body>
</html>

在这里插入图片描述
这个案例主要是bootstrap，几乎没有使用js使得页面和数据互动，主要就是从btv3的网站cv的代码，然后尝试使用了一下input的date类型。而视频中使用的是一个时间插件datepicker，使用也很简单，也是放到static/plugins里面然后将css和js导入进来，如何就可以使用了。

总结

1了解html标签
2CSS了解基本样式，会改别人的模板
3js,jq了解基本使用

  • 事件绑定/寻找标签/操作标签
  • 导入现成插件
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