黑马AJAX图书管理案例
注意 bootstrap的css与js这里是本地导入，需要自行导入一下
然后直接复制到vscode打开就行
代码如下
总体
<!DOCTYPE html>
<html lang="cmn-hans">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="../bootstrap-5.3.0-alpha1-dist/css/bootstrap.min.css">
<script src="../bootstrap-5.3.0-alpha1-dist/js/bootstrap.min.js"></script>
<script src="https://unpkg.com/axios/dist/axios.min.js"></script>
<title>Document</title>
<style>
table{
text-align: center;
border: 1px solid black;
}
table th,td{
border: 1px solid black;
padding: 10px;
}
caption{
text-align: center;
}
table td span{
cursor: pointer;
}
.modal-body input{
display: block;
margin: 20px;
}
</style>
</head>
<body>
<table>
<caption>我是标题</caption>
<thead>
<tr>
<th>序号</th>
<th>书名</th>
<th>作者</th>
<th>出版社</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>1</td>
<td>1</td>
<td>1</td>
<td>
<span class="del">删除</span>
<span class="edit">编辑</span>
</td>
</tr>
</tbody>
</table>
<!-- 增加按钮 -->
<button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#add">
增加
</button>
<!-- 增加弹窗 -->
<div class="modal fade" id="add" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h1 class="modal-title fs-5" id="exampleModalLabel">增加图书</h1>
<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<input type="text" class="bookname" placeholder="书名">
<input type="text" class="author" placeholder="作者">
<input type="text" class="publisher" placeholder="出版社">
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
<button type="button" class="btn btn-primary" data-bs-dismiss="modal">保存</button>
</div>
</div>
</div>
</div>
<!-- 修改弹窗 -->
<div class="modal fade" id="edit" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h1 class="modal-title fs-5" id="exampleModalLabel">修改图书</h1>
<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<input type="text" class="bookname" placeholder="书名">
<input type="text" class="author" placeholder="作者">
<input type="text" class="publisher" placeholder="出版社">
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
<button type="button" class="btn btn-primary" data-bs-dismiss="modal">保存</button>
</div>
</div>
</div>
</div>
<script>
const creator = '阮小航'
// 渲染函数
function show(){
axios({
url: 'http://hmajax.itheima.net/api/books',
params: {
creator
}
}).then(function(r){
const content = r.data.data.map((item,index) => {
return `
<tr>
<td>${index + 1}</td>
<td>${item.bookname}</td>
<td>${item.author}</td>
<td>${item.publisher}</td>
<td data-id=${item.id}>
<span class="del">删除</span>
<span class="edit" data-bs-toggle="modal" data-bs-target="#edit">编辑</span>
</td>
</tr>
`
}).join('')
document.querySelector('tbody').innerHTML = content
})
}
show()
// 绑定增加函数
document.querySelector('#add .btn-primary').addEventListener('click',()=>{
axios({
url: 'http://hmajax.itheima.net/api/books',
method: 'post',
data: {
bookname: document.querySelector('.bookname').value,
author: document.querySelector('.author').value,
publisher: document.querySelector('.publisher').value,
creator
}
}).then(()=>{
show()
// 清除表单内容 保证下次添加表单为空
document.querySelector('.bookname').value=''
document.querySelector('.author').value=''
document.querySelector('.publisher').value=''
})
})
// 存放操作图书的id变量
let edit_id = 0
// 通过事件委托绑定修改与删除操作
document.querySelector('tbody').addEventListener('click', e =>{
// 删除操作
if(e.target.classList.contains('del')){
axios({
url: `http://hmajax.itheima.net/api/books/${e.target.parentNode.dataset.id}`,
method: 'delete'
}).then(show)
}
// 修改操作
if(e.target.className==='edit'){
axios({
url: `http://hmajax.itheima.net/api/books/${e.target.parentNode.dataset.id}`
}).then(r=>{
document.querySelector('#edit .modal-body .bookname').value=r.data.data.bookname
document.querySelector('#edit .modal-body .author').value=r.data.data.author
document.querySelector('#edit .modal-body .publisher').value=r.data.data.publisher
edit_id = e.target.parentNode.dataset.id
})
}
})
// 修改操作
document.querySelector('#edit .modal-footer .btn-primary').addEventListener('click',()=>{
axios({
url: `http://hmajax.itheima.net/api/books/${edit_id}`,
method: 'put',
data: {
bookname: document.querySelector('#edit .modal-body .bookname').value,
author: document.querySelector('#edit .modal-body .author').value,
publisher: document.querySelector('#edit .modal-body .publisher').value,
creator
}
}).then(show)
})
</script>
</body>
</html>