How to create back-end data with json-server-JS Tutorial-php.cn

This time I will show you how json-server creates back-end data, and what are the precautions for how json-server creates back-end data. The following is a practical case, let's take a look.

During the development process, the front-end and back-end are separated or not separated. The interface is mostly developed with the page later, so it is very necessary to establish a rest APL interface to provide virtual data to the front-end, so here I use json- As a tool, server supports CORS and JSONP cross-domain requests, supports GET, POST, PUT, PATCH and DELETE methods, and also provides a series of query methods, such as limit, order, etc. Next, I wrote my own usage as Document

Installation

First you must have a node environment (you must have a node environment if you use json-server) and then install json- globally server

npm install json-server -g

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After the installation is completed, check whether the global installation is successful

G:\demo\JavaScript\Vue\Vue one\project\my-project\Vue_two\my-project>json-server -h index.js [options]  Options: --config, -c Path to config file [default: "json-server.json"] --port, -p Set port [default: 3000] --host, -H Set host [default: "0.0.0.0"] --watch, -w Watch file(s) [boolean] --routes, -r Path to routes file --middlewares, -m Paths to middleware files [array] --static, -s Set static files directory --read-only, --ro Allow only GET requests [boolean] --no-cors, --nc Disable Cross-Origin Resource Sharing [boolean] --no-gzip, --ng Disable GZIP Content-Encoding [boolean] --snapshots, -S Set snapshots directory [default: "."] --delay, -d Add delay to responses (ms) --id, -i Set database id property (e.g. _id) [default: "id"] --foreignKeySuffix, --fks Set foreign key suffix (e.g. _id as in post_id) [default: "Id"] --quiet, -q Suppress log messages from output [boolean] --help, -h Show help [boolean] --version, -v Show version number [boolean] Examples: index.js db.json index.js file.js index.js http://example.com/db.json https://github.com/typicode/json-server

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Create a db.json directory in the project root directory, and then write the information

{ "api": [ { "text": "数据统计", "link": "#", "hot": true }, { "text": "数据检测", "link": "#", "hot": true }, { "text": "流量分析", "link": "#", "hot": true }, { "text": "广告发布", "link": "#", "hot": false } ] }

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in package.json Add a line of commands to the scripts inside

"json": "json-server db.json --port 3003"

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Execute the command in the project directory

npm run json

You will see such an interface in bash

> vue@1.0.0 json g:\demo\JavaScript\Vue\Vue one\project\my-project\Vue_two\my-project > json-server db.json --port 3003 \{^_^}/ hi! Loading db.json Done Resources http://localhost:3003/api Home http://localhost:3003 Type s + enter at any time to create a snapshot of the database

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Congratulations on the successful startup!

Enter the web page for access at this time

You can access it at this time

http://localhost:3003/api

You can see the json string written before

The json-server has been started now

The calling code is like this

this.$http.get('http://localhost:3003/api') .then((data) => { console.log(data.body) }, () => { console.log('这里是用了vue-source,后端没有接口') })

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I believe I read this article You have mastered the case method. For more exciting information, please pay attention to other related articles on the PHP Chinese website!