03 2021 档案
摘要：const express = require("express");const port = 8080;const app = express();/* 解析post */const body = require("body-parser");/* 解析cookie */const cookieP
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摘要：const http = require("http");const mysql = require("mysql");const querystring = require("querystring");const co = require("co-mysql");const url = requ
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摘要：①安装服务：mysqld --install ②初始化： mysqld --initialize --console ③开启服务：net start mysql ④关闭服务：net stop mysql ⑤登录mysql：mysql -u root -p Enter PassWord：(密码) ⑥修
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摘要：增 INSERT INSERT INTO <表> (字段,...) VALUES (值,...); INSERT INTO `user_table` (`username`,`password`) VALUES ('lisi',‘654321’); 删 DELETE DELETE FROM <表>
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摘要：//服务端 let io = require('socket.io')();let userList = [ { name: "用户1", age: "18", id: "00000001" }, { name: "用户2", age: "18", id: "00000002" }, { name:
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摘要：//服务端let io = require('socket.io')();io.sockets.on('connection', socket => { //初始化之后通过join加入room1房间 socket.join("room1", function () { console.log("Jo
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摘要：const io = require('socket.io')({cors:true});//{cors:true}处理跨域io.on('connection', client => { client.on('event', data => { console.log(data); }); setT
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