Detailed explanation of vue, node, and webpack environment building tutorials

This article mainly introduces the vue+node+webpack environment construction tutorial in detail. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.

1. Environment construction

Pay attention to the node version. Only nodes that support harmony mode will support es6. It will not be used when building the project name based on webpack. An error will be reported. The latest version is recommended.

After downloading the installation package, just click to install. The interface for testing successful installation is as follows:

1.2. Use npm to install webpack. The command line statement is npm install webpack -g. The interface for successful test installation is as follows:

1.3. The following is to install the Taobao image, as shown below:

1.4. The next step is to install vue-cli globally. It should be noted that it takes a long time to install vue-cli using npm, which may take more than two hours.

The installation statement is:npminstall--globalvue-cli

##1.5 , Create a new project based on the webpack template

The command line statement is

vue init webpack my-project(where my-project is the file name, and the file name can only be lowercase letters). When creating a new template project, you need to go to the specified folder.

Input

vue init webpack my-project(project folder name) in cmd, press Enter, wait for a short while, items under 'git' will appear in sequence, you can press The following operation

# After the command is executed, you can see the following content under the my-project folder:

When creating a new project, if the following error is reported, it means that the node version is too low and does not support the harmonious mode (probably it supports es6, f otherwise it does not support it. You need expert guidance for details) and should be replaced with a higher version. node. The error is as shown below:

5. Install dependencies

in cmd 1). Enter: cd my-project (project name) and press Enter , enter the specific project folder

2). Enter: cnpm install, press Enter, wait for a short while

The following error may occur after the command is executed. The solution is as follows:

Go back to the project folder and you will find that there is an additional node_modules folder in the project structure (the contents of this file are the previously installed dependencies)

The default project structure created based on scaffolding is as shown below:

6. Webstorm installation, project introduction

Go to the official website to download the webstrom installation package and install it .

Keep going next. Depending on your computer system, choose to install a 64-bit system or a 32-bit system. Select js, css, html àjetbrainsà and then install

Select open under file in webstorm ( Select your project folder)

It seems very simple, but I am afraid that I will make a mistake in a few days.

7. Test whether the environment is set up successfully

Method 1:Enter in cmd:cnpm rundev

(obviously every It is a very tedious process to modify the code every time and enter the command in cmd, so bring up the npm menu in webstorm

Right-click on the package.json file -> click show npm scripts to bring up the menu. , to run in the future, just double-click dev in the npm menu.

Note that running the project on the command line and running the dev project cannot be run at the same time. When running one, you need to close the other, otherwise an error that the port is occupied will be reported. .

)

Method 2:Enter in the browser: localhost:8080 (the default port is 8080)

If you enter the run command, an error will be reported. . There are two situations, as shown in the figure below:

The first situation: port occupation problem

Then

Solutionis:

Solution 1:Close the port during the process.

a. Open cmd and enter the command netstat –ano. All port numbers will appear.

b. Below local address is the port number, and PID is the process number of a program that occupies the port number ( Remember the process number)

c. Open the task manager (ctrl + alt +delete), click on the process, then click on View, select "Select Column", click OK and you will find the process program occupying the port.

d. Find the remembered process number and close it

Option 2:In the config/index.js file, modify the port number. Port: New port number.

Second type: npm version is too low and needs to be upgraded:

Solution:

a. Enter the command: npm install - g npm

b. Copy the files under C:\Users\{your Windows username}\AppData\Roaming\npm\node_modules\npm to \node_modules\npm in your NodeJS installation directory, Overwrite all the original files

(or use the comparative method and go through the previous steps again)

The effect after running is as shown below:

2. Changes based on personal needs

1. vue.js changes the default port number 8080 to the specified port:

Executing npm run dev actually calls package.json in the root directory

After opening package.json, you can find such a piece of code

From this It can be seen that we should check the dev-server.js file in the build directory

It can be found in the dev-server.js file

varuri='http://localhost:'+port

The port here is what we are looking for. At the beginning of dev-server.js we can find

varpath=require('path')

And where does path come from?

There is a config folder in the root directory. You can tell from the name that it is related to configuration. Open index.js in the config directory

Not only can you Change the port and other configuration information as needed.

Related recommendations:

AngularJS environment building tutorial

A simple tutorial on how to build a vue environment with detailed examples

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