Day215. The function of the detailed page of the course is perfect, and the front and back end of the Echarts statistical analysis module [generate statistical data + generate charts] is integrated - grain College
Grain College
The function of the course details page is perfect
1, Modify course detailed interface
1. In service_ Add interface to order module
It is used to judge whether the status value in the order is 1. If it is 1, it means paid
@RestController
@CrossOrigin
@RequestMapping("/eduorder/t-order")
public class TOrderController {
...
Posted by mitchell_1078 on Mon, 04 Apr 2022 21:33:22 +0300
Simple understanding of Vue Router (package meeting)
preface
Vue Router is Vue JS official routing manager. It and Vue The core of JS is deep integration, which makes it easy to build single page applications. (from official (a passage)
First acquaintance
There will be explanations for everything involved in this. Be sure to come back here again after reading the article
install //1 ...
Posted by Lytheum on Mon, 04 Apr 2022 04:02:50 +0300
vue learning notes
Thank you very much for your excellent writing: https://cn.vuejs.org/v2/guide/
VUE : HELLO WORLD
<!DOCTYPE html>
<html>
<head>
<title>My first Vue app</title>
<script src="https://unpkg.com/vue"></script>
</head>
<body>
<div id="app">
{{ message }}
</div>
<scr ...
Posted by B of W on Sun, 03 Apr 2022 20:40:45 +0300
Vue source code compilation optimize s AST tree
Three source optimization tree
The learning content and article content are from Mr. Huang Yi Mr. Huang Yi's muke.com video tutorial address: Uncover the source code of Vue.js2.0, Address of teacher Huang Yi's hook education course: Vue.js 3.0 core source code analysis The source code analyzed here is Vue of Runtime + Compiler js Debugg ...
Posted by PatelNehal on Sun, 03 Apr 2022 03:44:15 +0300
Vue responsive Observer
During component initialization, the initState method will be executed, which is mainly used to initialize properties such as props, methods, data, computed, watcher, etc. Here we analyze data
export function initState (vm: Component) {
vm._watchers = []
const opts = vm.$options
if (opts.props) initProps(vm, opts.props)
if (opts.method ...
Posted by Ludo Lambrechts on Sun, 03 Apr 2022 01:47:11 +0300
Understand and better use Vue3 composition API [setup()]
What is the competition API
If you have used vue2, you must be familiar with the Options API. If someone doesn't know what the Options API is, you can see the following code.
export default {
data(){
return {
count: 0;
}
},
methods: {
plus(){
this.count++;
}
},
computed: {
dou(){
return this.cou ...
Posted by nitram on Sat, 02 Apr 2022 20:46:37 +0300
Vue.js front and back end interaction mode
I Front and rear end interaction mode
1.1 interface calling mode
Native ajaxajax based on jQueryfetchaxios
1.2 URL address format
1. Traditional URL
Format: schema://host:port/path?query#fragment ① schema: protocol. For example, http, https, ftp, etc ② host: domain name or IP address ③ Port: port, http. The default port is 80, which can ...
Posted by jaimitoc30 on Sat, 02 Apr 2022 17:56:34 +0300
Performance optimization of front-end code layer
1. v-if and v-show distinguish usage scenarios
difference Means: v-if controls the explicit and implicit of elements by controlling the existence of dom nodes; v-show sets the display style of DOM elements. block is displayed and none is hidden; Compilation process: v-if switching has a process of local compilation / unloading. In the process ...
Posted by trent2800 on Sat, 02 Apr 2022 16:27:07 +0300
vuex understanding and use of vue
vuex is designed for Vue The state management mode of JS application development, with more concepts and frameworks, needs to weigh the short-term and long-term benefits
Advantages of vuex: it is convenient to solve the sharing state of multiple components
It exists independently of components. All components can use it as a bridge to communica ...
Posted by X74SY on Sat, 02 Apr 2022 14:05:18 +0300
Talk about using Decorator decorators in Vue projects
preface
Original intention: in other Vue projects of the company a few days ago, I found that it was developed with Decorator decorator mode. It seems that the overall code is good, so I took notes to share with you. Don't spray it if you don't like it.
Suitable for people: primary front-end development, big guys detour.
This project is buil ...
Posted by heffym on Sat, 02 Apr 2022 13:07:33 +0300