web开发概述（06）：参数传递和获取—get参数处理

方法

/*
    get参数处理
 */

const url = require('url');

let str = 'https://www.baidu.com/s?ie=UTF-8&wd=nodejs';
let ret = url.parse(str);

console.log("ret",ret);

/*
Url {
  protocol: 'https:',
  slashes: true,
  auth: null,
  host: 'www.baidu.com',
  port: null,
  hostname: 'www.baidu.com',
  hash: null,
  search: '?ie=UTF-8&wd=nodejs',
  query: 'ie=UTF-8&wd=nodejs',
  pathname: '/s',
  path: '/s?ie=UTF-8&wd=nodejs',
  href: 'https://www.baidu.com/s?ie=UTF-8&wd=nodejs'
}
 */

//true query返回为对象
let ret2 = url.parse(str,true);

console.log("ret2",ret2);

/*

Url {
  protocol: 'https:',
  slashes: true,
  auth: null,
  host: 'www.baidu.com',
  port: null,
  hostname: 'www.baidu.com',
  hash: null,
  search: '?ie=UTF-8&wd=nodejs',
  query: [Object: null prototype] { ie: 'UTF-8', wd: 'nodejs' },
  pathname: '/s',
  path: '/s?ie=UTF-8&wd=nodejs',
  href: 'https://www.baidu.com/s?ie=UTF-8&wd=nodejs'
}

Process finished with exit code 0

 */

let obj = {
    protocol: 'https:',
    slashes: true,
    auth: null,
    host: 'www.baidu.com',
    port: null,
    hostname: 'www.baidu.com',
    hash: null,
    search: '?ie=UTF-8&wd=nodejs',
    query: { ie: 'UTF-8', wd: 'nodejs' },
    pathname: '/s',
    path: '/s?ie=UTF-8&wd=nodejs',
    href: 'https://www.baidu.com/s?ie=UTF-8&wd=nodejs'
};

let ret3 = url.format(obj);
console.log("ret3",ret3);

测试

/*
    测试get
 */

const http = require('http');
const url = require('url');

http.createServer((req, res) => {
    let obj = url.parse(req.url,true);
    res.end("username:"+obj.query.username + "  password:" + obj.query.password);
}).listen(3000,()=>{
    console.log("启动");
});


/*
http://localhost:3000/?username=dede&password=123456

username:dede  password:123456
 */