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A complete guide to implementing login authentication in Vue.js (API, JWT, axios)

Vue.js is a popular JavaScript framework for building dynamic web applications. Implementing user login authentication is one of the necessary parts of developing web applications. This article will introduce a complete guide to implementing login verification using Vue.js, API, JWT and axios. Creating a Vue.js Application First, we need to create a new Vue.js application. We can create a Vue.js application using VueCLI or manually. Install axiosax

Jun 09, 2023 pm 04:04 PM

API vuejs jwt

What is the method to convert nodejs mysql to json

1. Install the MySQL module. To connect to MySQL in Node.js, you need to install the MySQL module first. You can install it through the following command: npminstallmysql 2. Connect to the MySQL database After installing the MySQL module, you need to connect to the MySQL database. A database connection can be created through the following code: constmysql=require('mysql');constconnection=mysql.createConnection({host:'localhost',user:&

Jun 04, 2023 pm 12:13 PM

MySQL JSON nodejs

What are the basic operation methods of node.js for database MySQL?

The basic operation of database MySQL (add, delete, modify, query) and the unified table structure of the entire blog is: users table has four fields idusernamepasswordstatus, the four fields represent four columns, among which id is an auto-increment column, the default value of status is 0, the optional value is 0, 1id is auto Add, username is zs, ls, wupassword respectively: 123456abcdef123abcstatus is 0, 1, 1#Query all data of the entire table select*fromusers#Query all data of the specified column selectusername,passwordfromusers#Specify a column to add datainser

Jun 03, 2023 pm 02:33 PM

MySQL Node.js

How to use Node.js and Redis to implement addition, deletion, modification and query operations

What is Node.js Node.js is a JavaScript runtime environment built on the ChromeV8 JavaScript engine. It has the ability to run JavaScript code on the server side, allowing developers to easily build scalable web applications. Node.js provides a range of useful modules and libraries, such as the HTTP module, for handling network communication between servers and clients. What is RedisRedis is a memory-based data storage system that can be used to store and retrieve data at high speed, such as caches and message queues. Redis supports multiple data types, such as strings, lists, sets, etc., and provides various APIs to enable developers to

May 30, 2023 pm 07:37 PM

Node.js redis

Why botvs uses javascript

The BOTVS team chose to use the JavaScript programming language when developing the BOTVS trading system. This decision was based on a variety of factors. First of all, JavaScript is one of the most popular and important programming languages in today's Internet field. It is mainly used to write interactive effects on the front end of web pages. It can also be applied to back-end server-side programming, desktop application development, mobile application development, and game development. and many other fields. The BOTVS trading system needs to run on different terminals, including web version and mobile APP version, so choose

May 29, 2023 pm 09:58 PM

How to solve the problem that the English and digital occupancy sizes are different for the same byte in javascript

When using JavaScript for programming development, we often encounter the problem that the same bytes occupy different sizes between English and numbers. Specifically, in actual operations, numbers take up more space than English. This will have a certain impact on the running efficiency and performance of the program in some cases, so it needs to be dealt with and solved. 1. Background introduction In daily life and work, we are more or less exposed to computer programming languages, among which JavaScript is a very popular scripting language. In the process of programming development, we often need to process words

May 29, 2023 pm 04:28 PM

How to write a crawler using JavaScript

With the continuous development of Internet technology, crawlers (Web Crawler) have become one of the most popular methods of crawling information. Through crawler technology, we can easily obtain data on the Internet and use it in many fields such as data analysis, mining, and modeling. The JavaScript language is gaining more and more attention because of its powerful front-end development tools. So, how to write a crawler using JavaScript? Next, this article will explain it to you in detail. 1. What is a reptile? A crawler refers to an automated program that simulates browsing

May 29, 2023 pm 01:42 PM

How to configure JavaScript in vscode

As JavaScript becomes more and more popular, more developers are using Visual Studio Code (VSCode for short) to write their own JavaScript code. VSCode is a lightweight code editor developed by Microsoft that supports many programming languages and frameworks, including JavaScript. If you are also using VSCode to write JavaScript, then this article will teach you how to configure

May 29, 2023 pm 12:17 PM

Can front-end development not use php?

With the continuous development of the Internet, front-end development has been constantly improving and updating, and as a front-end developer, proficiency in various front-end technologies has become an essential skill. In front-end development, many people choose to use PHP language. However, with the diversified development of the Internet field, more and more people have begun to question the superiority of the PHP language, and even raised the question "Can front-end development be done without PHP?" So, can front-end development really be done without PHP? First, we need to understand what front-end and back-end are. The front end refers to the browser

May 28, 2023 pm 07:15 PM

How to install centos nodejs installation path

CentOS Node.js Installation Path Node.js is a JavaScript runtime designed for efficient building of scalable network applications. It is built on the Chrome V8 JavaScript engine and is fast, lightweight, reliable and flexible. It is very suitable for building web applications, APIs and back-end services. If you are a user of CentOS Linux operating system and want to install Node.js, you need to follow the steps below. In CentO

May 28, 2023 pm 05:38 PM

How to use nodejs

Node.js can do a lot of things, from building simple static websites to building highly scalable web applications to processing large-scale data on the backend. This article will introduce several main ways to use Node.js. 1. Building Web Applications Building web applications is easy with Node.js. Node.js provides us with a set of practical web frameworks, such as Express.js, Koa.js, etc. These frameworks provide tools such as routing and middleware, making it easy to build powerful and scalable

May 28, 2023 pm 04:20 PM

nodejsdeployweb

Node.js is a JavaScript running environment based on the Chrome V8 engine. It can be used to easily develop applications with high concurrency performance. Node.js has become the framework of choice for many web applications. Web applications can be easily deployed by using some of the excellent tools and frameworks it provides. In this article, we will teach you step by step how to deploy a web application using Node.js and some tools. Step 1: Choose a Web framework and database It is very important to choose a Web framework.

May 28, 2023 pm 03:32 PM

How to check nodejs version number

Node.js is a popular server-side development language based on Google's V8 engine and written in JavaScript. In the development of Node.js, querying the current Node.js version number is a very basic operation, which helps us determine the version we are currently using and better manage our projects. In this article, we will explain how to query the Node.js version number on different platforms. Find the Node.js version number on the command line in most

May 28, 2023 pm 02:55 PM

nodejs implements dlan

DLNA (Digital Internet Network Alliance) is an organization composed of consumer electronics, computer and mobile device companies that develops digital multimedia standard protocols so that consumers can share and stream multimedia using a variety of devices on their home networks content. Using DLNA technology, users can stream audio, video and photos on various devices to enjoy a unique multimedia experience. In this article, we will introduce how to implement DLNA using Node.js. We'll see how to build a DLNA server and client using Node.js

May 28, 2023 pm 02:14 PM