事件监听，Vue,Ajax
1.事件监听
点击查看代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>JS事件</title>
</head>
<body>
<input type="button" id="btn1" value="点我一下试试1">
<input type="button" id="btn2" value="点我一下试试2">
<script>
//事件监听
//1.获取元素
var btn1 = document.querySelector('#btn1');
var btn2 = document.querySelector('#btn2');
//2.监听事件
//参数1：事件类型
//参数2：事件处理函数
btn1.addEventListener('click', function () {
alert('点我一下试试1');
});
btn2.addEventListener('click', function () {
alert('点我一下试试2');
})
</script>
</body>
</html>
案例
实现鼠标移入移出的颜色显示
点击查看代码
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>Tlias智能学习辅助系统</title>
<style>
/* 导航栏样式 */
.navbar {
background-color: #b5b3b3; /* 灰色背景 */
display: flex; /* flex弹性布局 */
justify-content: space-between; /* 左右对齐 */
padding: 10px; /* 内边距 */
align-items: center; /* 垂直居中 */
}
.navbar h1 {
margin: 0; /* 移除默认的上下外边距 */
font-weight: bold; /* 加粗 */
color: white;
/* 设置字体为楷体 */
font-family: "楷体";
}
.navbar a {
color: white; /* 链接颜色为白色 */
text-decoration: none; /* 移除下划线 */
}
/* 搜索表单样式 */
.search-form {
display: flex;
flex-wrap: nowrap;
align-items: center;
gap: 10px; /* 控件之间的间距 */
margin: 20px 0;
}
.search-form input[type="text"], .search-form select {
padding: 5px; /* 输入框内边距 */
width: 260px; /* 宽度 */
}
.search-form button {
padding: 5px 15px; /* 按钮内边距 */
}
/* 表格样式 */
table {
width: 100%;
border-collapse: collapse;
}
th, td {
border: 1px solid #ddd; /* 边框 */
padding: 8px; /* 单元格内边距 */
text-align: center; /* 左对齐 */
}
th {
background-color: #f2f2f2;
font-weight: bold;
}
.avatar {
width: 30px;
height: 30px;
}
/* 页脚样式 */
.footer {
background-color: #b5b3b3; /* 灰色背景 */
color: white; /* 白色文字 */
text-align: center; /* 居中文本 */
padding: 10px 0; /* 上下内边距 */
margin-top: 30px;
}
#container {
width: 80%; /* 宽度为80% */
margin: 0 auto; /* 水平居中 */
}
</style>
</head>
<body>
<div id="container">
<!-- 顶部导航栏 -->
<div class="navbar">
<h1>Tlias智能学习辅助系统</h1>
<a href="#">退出登录</a>
</div>
<!-- 搜索表单区域 -->
<form class="search-form" action="/search" method="post">
<label for="name">姓名：</label>
<input type="text" id="name" name="name" placeholder="请输入姓名">
<label for="gender">性别：</label>
<select id="gender" name="gender">
<option value=""></option>
<option value="1">男</option>
<option value="2">女</option>
</select>
<label for="position">职位：</label>
<select id="position" name="position">
<option value=""></option>
<option value="1">班主任</option>
<option value="2">讲师</option>
<option value="3">学工主管</option>
<option value="4">教研主管</option>
<option value="5">咨询师</option>
</select>
<button type="submit">查询</button>
<button type="reset">清空</button>
</form>
<!-- 表格展示区 -->
<table>
<!-- 表头 -->
<thead>
<tr>
<th>姓名</th>
<th>性别</th>
<th>头像</th>
<th>职位</th>
<th>入职日期</th>
<th>最后操作时间</th>
<th>操作</th>
</tr>
</thead>
<!-- 表格主体内容 -->
<tbody>
<tr>
<td>令狐冲</td>
<td>男</td>
<td><img class="avatar" src="https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/1.jpg" alt="令狐冲"></td>
<td>讲师</td>
<td>2021-06-15</td>
<td>2024-09-16 15:30</td>
<td class="action-buttons">
<button type="button">编辑</button>
<button type="button">删除</button>
</td>
</tr>
<tr>
<td>任盈盈</td>
<td>女</td>
<td><img class="avatar" src="https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/1.jpg" alt="任盈盈"></td>
<td>咨询师</td>
<td>2021-07-20</td>
<td>2024-09-17 09:00</td>
<td class="action-buttons">
<button type="button">编辑</button>
<button type="button">删除</button>
</td>
</tr>
<tr>
<td>向问天</td>
<td>男</td>
<td><img class="avatar" src="https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/1.jpg" alt="向问天"></td>
<td>班主任</td>
<td>2021-05-01</td>
<td>2024-09-15 17:45</td>
<td class="action-buttons">
<button type="button">编辑</button>
<button type="button">删除</button>
</td>
</tr>
<tr>
<td>任我行</td>
<td>男</td>
<td><img class="avatar" src="https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/1.jpg" alt="向问天"></td>
<td>教研主管</td>
<td>2021-05-01</td>
<td>2024-09-15 17:45</td>
<td class="action-buttons">
<button type="button">编辑</button>
<button type="button">删除</button>
</td>
</tr>
<tr>
<td>田伯光</td>
<td>男</td>
<td><img class="avatar" src="https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/1.jpg" alt="令狐冲"></td>
<td>班主任</td>
<td>2021-06-15</td>
<td>2024-09-16 15:30</td>
<td class="action-buttons">
<button type="button">编辑</button>
<button type="button">删除</button>
</td>
</tr>
<tr>
<td>不戒</td>
<td>女</td>
<td><img class="avatar" src="https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/1.jpg" alt="任盈盈"></td>
<td>班主任</td>
<td>2021-07-20</td>
<td>2024-09-17 09:00</td>
<td class="action-buttons">
<button type="button">编辑</button>
<button type="button">删除</button>
</td>
</tr>
<tr>
<td>左冷禅</td>
<td>男</td>
<td><img class="avatar" src="https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/1.jpg" alt="向问天"></td>
<td>班主任</td>
<td>2021-05-01</td>
<td>2024-09-15 17:45</td>
<td class="action-buttons">
<button type="button">编辑</button>
<button type="button">删除</button>
</td>
</tr>
<tr>
<td>定逸</td>
<td>女</td>
<td><img class="avatar" src="https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/1.jpg" alt="向问天"></td>
<td>班主任</td>
<td>2021-05-01</td>
<td>2024-09-15 17:45</td>
<td class="action-buttons">
<button type="button">编辑</button>
<button type="button">删除</button>
</td>
</tr>
<tr>
<td>东方兄弟</td>
<td>男</td>
<td><img class="avatar" src="https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/1.jpg" alt="向问天"></td>
<td>讲师</td>
<td>2021-05-01</td>
<td>2024-09-15 17:45</td>
<td class="action-buttons">
<button type="button">编辑</button>
<button type="button">删除</button>
</td>
</tr>
<tr>
<td>金庸</td>
<td>男</td>
<td><img class="avatar" src="https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/1.jpg" alt="向问天"></td>
<td>咨询师</td>
<td>2021-05-01</td>
<td>2024-09-15 17:45</td>
<td class="action-buttons">
<button type="button">编辑</button>
<button type="button">删除</button>
</td>
</tr>
</tbody>
</table>
<!-- 页脚版权区域 -->
<footer class="footer">
<p>江苏传智播客教育科技股份有限公司</p>
<p>版权所有 Copyright 2006-2024 All Rights Reserved</p>
</footer>
</div>
<script>
//通过JS为上述的表格中数据行添加事件监听, 实现鼠标进入后, 背景色#f2e2e2; 鼠标离开后, 背景色需要设置为#fff; (JS新版本的语法)
//获取表格中所有的数据行
let trs = document.querySelectorAll("tbody tr");
//遍历数据行
for(let i = 0; i < trs.length; i++) {
//为每一行添加鼠标进入事件
trs[i].addEventListener("mouseenter", function() {
this.style.backgroundColor = "#f2e2e2";
})
//为每一行添加鼠标离开事件
trs[i].addEventListener("mouseleave", function() {
this.style.backgroundColor = "#fff";
})
}
</script>
</body>
</html>
2.veu3
点击查看代码
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>Tlias智能学习辅助系统</title>
<style>
/* 导航栏样式 */
.navbar {
background-color: #b5b3b3; /* 灰色背景 */
display: flex; /* flex弹性布局 */
justify-content: space-between; /* 左右对齐 */
padding: 10px; /* 内边距 */
align-items: center; /* 垂直居中 */
}
.navbar h1 {
margin: 0; /* 移除默认的上下外边距 */
font-weight: bold; /* 加粗 */
color: white;
/* 设置字体为楷体 */
font-family: "楷体";
}
.navbar a {
color: white; /* 链接颜色为白色 */
text-decoration: none; /* 移除下划线 */
}
/* 搜索表单样式 */
.search-form {
display: flex;
flex-wrap: nowrap;
align-items: center;
gap: 10px; /* 控件之间的间距 */
margin: 20px 0;
}
.search-form input[type="text"], .search-form select {
padding: 5px; /* 输入框内边距 */
width: 260px; /* 宽度 */
}
.search-form button {
padding: 5px 15px; /* 按钮内边距 */
}
/* 表格样式 */
table {
width: 100%;
border-collapse: collapse;
}
th, td {
border: 1px solid #ddd; /* 边框 */
padding: 8px; /* 单元格内边距 */
text-align: center; /* 左对齐 */
}
th {
background-color: #f2f2f2;
font-weight: bold;
}
.avatar {
width: 30px;
height: 30px;
}
/* 页脚样式 */
.footer {
background-color: #b5b3b3; /* 灰色背景 */
color: white; /* 白色文字 */
text-align: center; /* 居中文本 */
padding: 10px 0; /* 上下内边距 */
margin-top: 30px;
}
#container {
width: 80%; /* 宽度为80% */
margin: 0 auto; /* 水平居中 */
}
</style>
</head>
<body>
<div id="container">
<!-- 顶部导航栏 -->
<div class="navbar">
<h1>Tlias智能学习辅助系统</h1>
<a href="#">退出登录</a>
</div>
<!-- 搜索表单区域 -->
<form class="search-form" action="/search" method="post">
<label for="name">姓名：</label>
<input type="text" id="name" name="name" v-model="searchForm.name" placeholder="请输入姓名">
<label for="gender">性别：</label>
<select id="gender" name="gender" v-model="searchForm.gender">
<option value=""></option>
<option value="1">男</option>
<option value="2">女</option>
</select>
<label for="position">职位：</label>
<select id="position" name="position" v-model="searchForm.position">
<option value=""></option>
<option value="1">班主任</option>
<option value="2">讲师</option>
<option value="3">学工主管</option>
<option value="4">教研主管</option>
<option value="5">咨询师</option>
</select>
<button type="submit" v-on:click="search">查询</button>
<button type="reset"v-on:click="clear">清空</button>
</form>
<!-- 表格展示区 -->
<table>
<!-- 表头 -->
<thead>
<tr>
<th>编号</th>
<th>姓名</th>
<th>性别</th>
<th>头像</th>
<th>职位</th>
<th>入职日期</th>
<th>最后操作时间</th>
<th>操作</th>
</tr>
</thead>
<!-- 表格主体内容 -->
<tbody>
<tr v-for="emp in empList">
<td>
{{ emp.id }}
<td>
<a href="javascript:;">{{ emp.name }}</a>
</td>
<td>
{{ emp.gender == 1 ? '男' : '女' }}
</td>
<td>
<!-- 图片 -->
<img :src="emp.image" alt="头像" class="avatar">
</td>
<td>
{{ emp.job == 1 ? '班主任' : (emp.job == 2 ? '讲师' : (emp.job == 3 ? '学工主管' : (emp.job == 4 ? '教研主管' : '咨询师'))) }}
</td>
<td>
{{ emp.entrydate }}
</td>
<td>
{{ emp.updatetime }}
</td>
<td class="action-buttons">
<button type="button">编辑</button>
<button type="button">删除</button>
</td>
</tr>
</tbody>
</table>
<!-- 页脚版权区域 -->
<footer class="footer">
<p>江苏传智播客教育科技股份有限公司</p>
<p>版权所有 Copyright 2006-2024 All Rights Reserved</p>
</footer>
</div>
<script type="module">
import { createApp } from 'https://unpkg.com/vue@3/dist/vue.esm-browser.js'
createApp({
data() {
return {
searchForm: {
name: '',
gender: '',
position: ''
},
empList: [
{ "id": 1,
"name": "谢逊",
"image": "https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/4.jpg",
"gender": 1,
"job": "1",
"entrydate": "2023-06-09",
"updatetime": "2024-09-30T14:59:38"
},
{
"id": 2,
"name": "韦一笑",
"image": "https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/1.jpg",
"gender": 1,
"job": "1",
"entrydate": "2020-05-09",
"updatetime": "2024-09-01T00:00:00"
},
{
"id": 3,
"name": "黛绮丝",
"image": "https://web-framework.oss-cn-hangzhou.aliyuncs.com/2023/2.jpg",
"gender": 2,
"job": "2",
"entrydate": "2021-06-01",
"updatetime": "2024-09-01T00:00:00"
}
]
}
} ,
methods: {
search(e) {
e.preventDefault()
console.log(this.searchForm)
},
clear(e) {
e.preventDefault()
this.searchForm = {
name: '',
gender: '',
position: ''
}
}
}
}).mount('#container')
</script>
</body>
</html>
3.Ajax
点击查看代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Axios入门程序</title>
</head>
<body>
<button id="getData">GET</button>
<button id="postData">POST</button>
<script src="https://unpkg.com/axios/dist/axios.min.js"></script>
<script>
//GET请求
// document.querySelector('#getData').onclick = function() {
// axios({
// url:'https://mock.apifox.cn/m1/3083103-0-default/emps/list',
// method:'get'
// }).then(function(res) {
// console.log(res.data);
// }).catch(function(err) {
// console.log(err);
// })
// }
//POST请求
// document.querySelector('#postData').onclick = function() {
// axios({
// url:'https://mock.apifox.cn/m1/3083103-0-default/emps/update',
// method:'post'
// }).then(function(res) {
// console.log(res.data);
// }).catch(function(err) {
// console.log(err);
// })
// }
axios.post('https://mock.apifox.cn/m1/3083103-0-default/emps/update').then(function(res) {
console.log(res.data);
}).catch(function(err) {
console.log(err);
})
</script>
</body>
</html>
浙公网安备 33010602011771号