https://www.jianshu.com/p/9b338095cbe8

node.js + mysql environment to build

0x01 Foreword

With the development of html web technology, and the needs of full-stack development for staff in terms of front-end, back-end basics has become a required course. In this section I will discuss about sharing windowsat node+ mysqlbuild process.

download link:

mysql Download
mysql native extraction code: 0027 Download

0x02 download and install mysql, and configure

Reference Documents

1. Download mysql

image.png

2. Initialize mysql

My.ini configuration
decompress after the download is complete, enter the main directory, create a new my.ini file and configure the following:

[mysql]
# 设置mysql客户端默认字符集
default-character-set=utf8 [mysqld] # 设置3306端口 port = 3306 # 设置mysql的安装目录 basedir=F:\\mysql\\mysql-8.0.15-winx64 # 设置 mysql数据库的数据的存放目录，MySQL 8+ 不需要以下配置，系统自己生成即可，否则有可能报错 # datadir=F:\\mysql\\sqldata # 允许最大连接数 max_connections=20 # 服务端使用的字符集默认为8比特编码的latin1字符集 character-set-server=utf8 # 创建新表时将使用的默认存储引擎 default-storage-engine=INNODB

Initialization mysql
administrator mode open cmd, go to the bin directory, execute:
Installation mysqld

mysqld install

Wait occur successfully words

mysqld --initialize --console

Wait is finished, there will be the word password to remember later use.
If this step is not accidentally press to ctrl+ccancel, you can delete the home directory data file, after the re-operation can be.

Start mysql service

net start mysql

Wait for the start success words.
At this point, mysql initialization been completed.

3. Modify login and password

mysql -u root -p

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '你的密码';

0x03 view the database

1. Command Line

show databases

2. Visualization Tools

Installation mysql native visible operation

0x04 mysql common commands

show databases

Switching Database

user test

Display table

show tables

increase

insert into `user` (id, name, psw) values (null, 'name', 'psw');

delete

DELETE FROM `user` WHERE id = 2

change

update `user` SET psw = '52she' WHERE id = 1

check

select * from user(表);

0x05 node used mysql

Mysql module introduced

cmd cnpm or npm mounting mysqlmodule

cnpm install mysql

Referenced in the project

require 'mysql'

At this point you can easily use the API provided by operating mysql database mysql.

Examples 0x06

var mysql = require('mysql'); var connection = mysql.createConnection({ host: 'localhost', user: 'root', password: '52Zllshizhu', database: 'mytest' }); connection.connect(); insert(); function insert() { connection.query("INSERT INTO `user` (id, name, psw) VALUES (null, '靳建奇', '52Alsdkfj')", function(error, results, fields) { if(!error) console.log('insert : OK' ); }) selectAll(); } function selectAll() { connection.query('SELECT * FROM `user`', function(error, results, fields) { console.log(results); }) }