MySql 驱动安装
定位到nodejs安装目录 cd C:\Program Files\nodejs
1 node --version //查看当前版本，用于判断nodejs是否安装成功
2 安装Mysql驱动：npm install mysql
3 查看已安装的驱动 npm list
4 查看已安装模块 npm search 模块名如：npm search mysql
编写脚本
1 查询
var mysql = require('mysql');
var connection = mysql.createConnection({
host : 'localhost',
user : 'root',
password : '123456',
database : 'ceshi'
});
connection.connect();
var sql = 'SELECT * FROM userinfo';
//查
connection.query(sql,function (err, result) {
if(err){
console.log('[SELECT ERROR] - ',err.message);
return;
}
console.log('--------------------------SELECT----------------------------');
console.log(result);
console.log('------------------------------------------------------------\n\n');
});
connection.end();
结果：
2 插入一条数据
var mysql = require('mysql');
var connection = mysql.createConnection({
host : 'localhost',
user : 'root',
password : '123456',
database : 'ceshi'
});
connection.connect();
//var sql = 'SELECT * FROM userinfo';
var sql = "INSERT INTO userinfo (NAME, age, sex)VALUES('小乖', 25, '男')";
//查
connection.query(sql,function (err, result) {
if(err){
console.log('[SELECT ERROR] - ',err.message);
return;
}
console.log('--------------------------SELECT----------------------------');
console.log(result);
console.log('------------------------------------------------------------\n\n');
});
connection.end();
结果：
