Official presentation Address//v5 and later versions of data depend on Area_dataNPM I--save vue-area-linkage area-data import Vue from' Vue '; Import {PCA, PCAA} from' Area-data ';//v5 or higherImport ' Vue-area-linkage/dist/index.css ';//v2 or higherImport vuearealinkage from ' Vu
Vue Data Interaction instance code and vue interaction instance
Interaction in vue (ajax, jsonp)
Vue also has data interaction like ajax and jsonp, to obtain data from the server, but his framework does not have such a method, need a new little thing called vue-resouce.js ad
Vue. js uses v-if v-else to find no solution, vue. jsv-if
No execution was found using v-if v-else.
I have been studying Vue recently. Because I have just started learning Vue, I will always encounter such a problem. One of the mistakes I want to make today is that when I read the official documentation of
Data listening and Data Interaction in vue, vue data listening data
Now let's take a look at the data listening event $ watch in vue,
Js Code:
New Vue ({el: "# div", data: {arr: [1, 2, 3]}). $ watch ("arr", function () {alert ("data changed ")})
Html code:
This is the array listening. We also use json, but we have to
Vue data-driven Simulation Implementation 4. vue Data Simulation
I. Preface
In "Data Driven by simulation Vue 3", we have extended a $ set method for each object to add attributes, so that we can listen to new attributes.
Of course, arrays are also objects. You can also use the $ set method to add attributes.
However, for arrays, we usually use methods such as pu
Introduction to Vue instances and vue instances
Some simple methods for Vue instances
Manual mounting
Var vm = new Vue ({data: {a: 1 ,},}); // manually mount vm. $ mount ('# box ');
Or the following code:
var vm = new Vue({ data:{ a:1, }, }).$mount('#box');
Var vm = new
Use vue to implement code for sliding out of the Panel by clicking the button, vue button
Communication is prone to errors, or information cannot be transmitted. Here is an example of how to complete the click event through communication between components.
In the index. vue file:
Transfer Intermediary
Introduce components, that is, components to be popped up
i
Vue. js Custom Event form input component method, vue. js form
Vue. js uses the form input component of the Custom Event
Custom events can be used to create custom form input components and use v-model for bidirectional data binding. Remember:
This is just the syntax sugar in the following example:
Therefore, when used in components, it is equivalent to the fol
The vue-prop parent component transmits values to child components, and the vue-prop component transmits values.
Vue-prop is used when the parent component transmits data to the child component.
For example, the sub-component is
Child. vue
Template: '
We specify a data name in the child component: msg
Write in pa
How does Vue introduce remote JS files? How does vue introduce js files?
Problem
Recently, we have been using Vue to do things and use the dingtalk login scan function. We need to introduce remote js files because the Vue method is different from the previous one, I didn't want to download the file to a local applicati
Cross-origin ajax solution (recommended) during vue-cli development, vue-cliajax
Objective: To access the background interface to obtain data for a project built using vue-cli during development, a cross-origin problem occurs.
Configure the following in config/index. js:
[That is, when an ajax request is made, any request address starting with/api in the address
Web Front-end vue implements Interpolation of text and output of original html and vue Interpolation
Vue. js uses the HTML-based template syntax, allowing developers to explicitly bind the DOM to the data of the underlying Vue instance. All Vue. js templates are legal HTML,
Vue. js is used to simulate the development demo and vue. jsdemo.
I use Vue. js to implement some functions of the circle of friends, to display the circle of friends, comment, and likes.
First, construct a vue instance to bind the changed data in two directions,
I use JSON to forge template data, first display the eff
Quickly solve the problem that vue-cli Cannot initialize the webpack template, vue-cliwebpack
Vue init webpack pro [Failed to download repo] [connect ETIMEDOUT 192.30.20.112]
This error is reported.
Someone said it was a proxy problem. I don't know, but this method is useful.
1. Download the template https://github.com/vuejs-templates/webpack to be initialize
When you create a Vue instance, el you can omit the option if the configuration item is declared template . At this point, Vue.js will extract the HTML content of the anchor element as a template.We can use a single el configuration item to create a Vue instance:var vm = new Vue({el:‘#app‘});In Vue.js, this template is called an HTML template , and template a tem
Implementation Principles of Laravel middleware and details of laravel Middleware
This article describes the implementation principles of Laravel middleware. We will share this with you for your reference. The details are as follows:
#1 What is middleware?
For a Web application, before a request is actually processed, we may make various judgments on the request
Laravel obtains the current Guard analysis-from the actual needs of E-commerce shopping carts, laravel e-commerce
The shopping cart requirements in iBrand are complex. We have expanded a shopping cart that better meets the needs of E-commerce based on overture/laravel-shopping-cart. Some Articles have previously made a simple introduction:
Laravel first use, how to write the first Hello World
Laravel PHP Framework First Contact, encountered some difficulties, here to record, the need for children's shoes can look
Download the latest version from GitHub, address as follows
Https://github.com/laravel/laravel
I chose the download zip, downloaded to the desk
Installing Redis and connecting to the Redis databaseIntroduced in Controller headI. Basic USE1 Public functionRedisddbone () {2 //emptying the Redis database3Redis::Flushall ();4 5 6 //the string type of Redis7Redis::set ("Laravel", "Hello Woshi laravel");8Dump (Redis::get ("Laravel")) ;9 Ten One //the hash type of Redis ARedis::hmse
: This article mainly introduces Laravel, a top-level PHP Framework. (1) Laravel, a master-level framework, helps code become an art. if you are interested in PHP tutorials, refer to it. Common commands for laravel artisan:
Create a controller:
php artisan make:controller Front/Users/UsersController
Automatically created./App/Http/Controllers/Front/Users/UsersCo
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