Node.js连接数据库前,须要安装对应的包.假设安装sql server 须要先装包node-sqlserver. 我们以mysql为案例来说明node.js查询mysql数据. 1.安装 node-mysql npm install node-mysql 2.通过express框架实现数据库连接 var express = require('express'); var mysql = require('mysql'); var app = express(); app.use(functi
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