/*
路由模块
*/
const express = require('express');
const router = express.Router();
const service = require('./service.js');
// 查询图书列表
router.get('/books',service.getAllBooks);
// 添加图书(提交表单)
router.post('/books',service.addBook);
// 跳转到编辑图书信息页面
router.get('/books/:id',service.toEditBook);
// router.get('/toEditBook',service.toEditBook);
// 编辑图书提交表单
router.put('/books/:id',service.editBook);
// 删除图书信息
router.delete('/books/:id',service.deleteBook);
// 验证图书名称是否存在
router.get('/books/book/:name',service.checkName);
module.exports = router;
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<link rel="stylesheet" type="text/css" href="css/index.css">
</head>
<body>
<div id="app">
<div class="grid">
<div>
<h1>图书管理</h1>
<div class="book">
<div>
<label for="id">
编号：
</label>
<input type="text" id="id" v-model='id' disabled="false" v-focus>
<label for="name">
名称：
</label>
<input type="text" id="name" v-model='name'>
<button @click='handle' :disabled="submitFlag">提交</button>
</div>
</div>
</div>
<div class="total">
<span>图书总数：</span>
<span>{{total}}</span>
</div>
<table>
<thead>
<tr>
<th>编号</th>
<th>名称</th>
<th>时间</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<tr :key='item.id' v-for='item in books'>
<td>{{item.id}}</td>
<td>{{item.name}}</td>
<td>{{item.date | format('yyyy-MM-dd hh:mm:ss')}}</td>
<td>
<a href="" @click.prevent='toEdit(item.id)'>修改</a>
<span>|</span>
<a href="" @click.prevent='deleteBook(item.id)'>删除</a>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript" src="js/axios.js"></script>
<script type="text/javascript">
/*
图书管理-添加图书
*/
axios.defaults.baseURL = 'http://localhost:3000/';
axios.interceptors.response.use(function(res){
return res.data;
}, function(error){
console.log(error)
});
Vue.directive('focus', {
inserted: function (el) {
el.focus();
}
});
Vue.filter('format', function(value, arg) {
function dateFormat(date, format) {
if (typeof date === "string") {
var mts = date.match(/(\/Date\((\d+)\)\/)/);
if (mts && mts.length >= 3) {
date = parseInt(mts[2]);
}
}
date = new Date(date);
if (!date || date.toUTCString() == "Invalid Date") {
return "";
}
var map = {
"M": date.getMonth() + 1, //月份
"d": date.getDate(), //日
"h": date.getHours(), //小时
"m": date.getMinutes(), //分
"s": date.getSeconds(), //秒
"q": Math.floor((date.getMonth() + 3) / 3), //季度
"S": date.getMilliseconds() //毫秒
};
format = format.replace(/([yMdhmsqS])+/g, function(all, t) {
var v = map[t];
if (v !== undefined) {
if (all.length > 1) {
v = '0' + v;
v = v.substr(v.length - 2);
}
return v;
} else if (t === 'y') {
return (date.getFullYear() + '').substr(4 - all.length);
}
return all;
});
return format;
}
return dateFormat(value, arg);
})
var vm = new Vue({
el: '#app',
data: {
flag: false,
submitFlag: false,
id: '',
name: '',
books: []
},
methods: {
handle: async function(){
if(this.flag) {
// 编辑图书
var ret = await axios.put('books/' + this.id, {
name: this.name
});
if(ret.status == 200){
// 重新加载列表数据
this.queryData();
}
this.flag = false;
}else{
// 添加图书
var ret = await axios.post('books', {
name: this.name
})
if(ret.status == 200) {
// 重新加载列表数据
this.queryData();
}
}
// 清空表单
this.id = '';
this.name = '';
},
toEdit: async function(id){
// flag状态位用于区分编辑和添加操作
this.flag = true;
// 根据id查询出对应的图书信息
var ret = await axios.get('books/' + id);
this.id = ret.id;
this.name = ret.name;
},
deleteBook: async function(id){
// 删除图书
var ret = await axios.delete('books/' + id);
if(ret.status == 200) {
// 重新加载列表数据
this.queryData();
}
},
queryData: async function(){
// 调用后台接口获取图书列表数据
// var ret = await axios.get('books');
// this.books = ret.data;
this.books = await axios.get('books');
}
},
computed: {
total: function(){
// 计算图书的总数
return this.books.length;
}
},
watch: {
name: async function(val) {
// 验证图书名称是否已经存在
// var flag = this.books.some(function(item){
// return item.name == val;
// });
var ret = await axios.get('/books/book/' + this.name);
if(ret.status == 1) {
// 图书名称存在
this.submitFlag = true;
}else{
// 图书名称不存在
this.submitFlag = false;
}
}
},
mounted: function(){
// var that = this;
// axios.get('books').then(function(data){
// console.log(data.data)
// that.books = data.data;
// })
// axios.get('books').then((data)=>{
// console.log(data.data)
// this.books = data.data;
// })
this.queryData();
}
});
</script>
</body>
</html>
