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This article mainly introduces Vue2.5 how to read data through the json file related knowledge, the content is detailed and easy to understand, the operation is simple and fast, has a certain reference value, I believe that everyone after reading this Vue2.5 how to read data through the json file article will have a harvest, let's take a look at it.

1. Preparatory work

1.1 webpack.dev.conf.js

Add the following code under const portfinder = require ('portfinder')

Const express = require ('express') const app = express () var appData = require ('.. / data.json') / / the path to load the local data file var leftMenu = appData.leftMenu / / get the corresponding local data var data name = appData. Option var apiRoutes = express.Router () app.use ('/ api', apiRoutes)

Find devServer and add some code to it

Before (app) {app.get ('/ api/leftmenu', (req, res) = > {res.json ({errno: 0, data: leftMenu}) / / API returns json data. The above configured data seller is called after the data request is assigned}), app.get ('/ api/ data', (req, res) = > {res.json ({errno: 0, data: data (corresponding to the above data name})}

two。 In the components used

Created () {this.$http.get ('api/leftmenu'). Then ((response) = > {console.log (response) this.leftMenu = response.body.data / / data location})} data () {return {leftMenu: [];}} this is the end of the article on "how Vue2.5 reads data through json files". Thank you for reading! I believe you all have a certain understanding of "how Vue2.5 reads data through json files". If you want to learn more, you are welcome to follow the industry information channel.

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