Javascript 中AJAX的图书管理代码实例详解
时间：2022-08-30 09:29:09 | 栏目：JavaScript代码 | 点击：次
1、接口文档
2、代码结构
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<link rel="stylesheet" href="./lib/bootstrap.css">
<script src="./lib/jquery.js"></script>
</head>
<style>
body {
margin: 20px 20px;
}
</style>
<body>
<div class="panel panel-primary">
<div class="panel-heading">
<h3 class="panel-title">图书信息</h3>
</div>
<div class="panel-body form-inline">
<div class="input-group">
<div class="input-group-addon">书名</div>
<input type="text" class="form-control" id="bookName" placeholder="请输入书名">
</div>
<div class="input-group">
<div class="input-group-addon">作者</div>
<input type="text" class="form-control" id="author" placeholder="请输入作者">
</div>
<div class="input-group">
<div class="input-group-addon">出版社</div>
<input type="text" class="form-control" id="ippublisher" placeholder="请输入出版社">
</div>
<button type="button" id="btnSend" class="btn btn-primary">添加</button>
</div>
</div>
<table class="table table-bordered table-hover">
<thead>
<tr>
<th>Id</th>
<th>书名</th>
<th>作者</th>
<th>出版社</th>
<th>操作</th>
</tr>
</thead>
<tbody id="tb">
</tbody>
</table>
</body>
<script>
// 渲染图书信心到表格中
$(function () {
// 发起ajax请求获取图书列表信息
getBookList();
function getBookList() {
$.get('http://www.liulongbin.top:3006/api/getbooks', function (res) {
if (res.status !== 200) return alert('获取图书信息失败！！')
// 定义一个空数组存放图书信息
var row = [];
// 遍历获取到的信息添加到row数组
$.each(res.data, function (i, item) {
row.push(`
<tr>
<td>${item.id}</td>
<td>${item.bookname}</td>
<td>${item.author}</td>
<td>${item.publisher}</td>
<td>
<a href="" id="del" data-id="${item.id}">删除</a>
</td>
</tr>
`)
})
// 将数组数据渲染到页面
$('#tb').empty().append(row.join(''))
})
}
// 删除图书信息
$('tbody').on('click', '#del', function () {
var id = $(this).attr('data-id');
$.get('http://www.liulongbin.top:3006/api/delbook', {
id: id
}, function (res) {
if (res.status !== 200) return alert('删除图书失败！！')
getBookList();
})
})
// 添加图书
$('#btnSend').on('click', function () {
var bookName = $('#bookName').val().trim()
var author = $('#author').val().trim()
var ippublisher = $('#ippublisher').val().trim()
if (bookName.length <= 0 || author.length <= 0 || ippublisher.length <= 0) {
return alert('请填写完整的图书信息！')
}
// 发起ajax请求进行图书信息的添加
$.post('http://www.liulongbin.top:3006/api/addbook', {
bookname: bookName,
author: author,
publisher: ippublisher
}, function (res) {
if (res.status !== 201) return alert('添加图书信息失败！！' + res.msg)
getBookList()
$('#bookName').val('')
$('#author').val('')
$('#ippublisher').val('')
})
})
})
</script>
</html>
3、案例效果
