[nODE之三]http模块练习1

灰太狼 2022-09-30 06:47 146阅读 0赞

http的东西太多了，需要慢慢消化。现在弄了个服务器，支持响应浏览器的GET，客户端的GET和POST。其中客户端的get，中文参数没弄好，到服务器里面已经是乱码，这个不清楚原因，以后遇到了再说吧，实在不行用post替代。请求的headers参数有点儿多，还没理解。还有就是request模块没试验呢...

服务器：

/**
     * url属性
     * export interface Url {
            href?: string;
            protocol?: string;
            auth?: string;
            hostname?: string;
            port?: string;
            host?: string;
            pathname?: string;
            search?: string;
            query?: string | any;
            slashes?: boolean;
            hash?: string;
            path?: string;
        }
     * */
    /**浏览器：http://localhost:3001/?name='百度'&url='www.baidu.com'
     * 1,req.url:  name=%27%E7%99%BE%E5%BA%A6%27&url=%27www.baidu.com%27
     * 2,url.parse(req.url, true)：
     *      Url {
                    protocol: null,//不清楚这里为什么空
                    slashes: null,
                    auth: null,
                    host: null,//不清楚这里为什么空
                    port: null,//不清楚这里为什么空
                    hostname: null,
                    hash: null,
                    search: '?name=%27%E7%99%BE%E5%BA%A6%27&url=%27www.baidu.com%27',
                    query: { name: '\'百度\'', url: '\'www.baidu.com\'' },
                    pathname: '/',
                    path: '/?name=%27%E7%99%BE%E5%BA%A6%27&url=%27www.baidu.com%27',
                    href: '/?name=%27%E7%99%BE%E5%BA%A6%27&url=%27www.baidu.com%27'
                }
     * */
    
    const http = require("http");
    const url = require("url");
    const util = require("util");
    const queryString = require("querystring");
    const hostname = "127.0.0.1";
    const port = 3001;
    const server = http.createServer(function (req, res) {
        res.statusCode = 200;
        res.setHeader("Content-Type", "text/plain;charset=utf-8");
        if (req.method === "POST") {//
            var reqData = {};
            req.on("data", function (chunk) {//知道只有一次的写入，所以就这样处理了～
                reqData = queryString.parse(chunk.toString());
            });
            req.on("end", function () {
                console.log(reqData);
                res.write("网站：" + reqData["name"]);
                res.write("\n");
                res.write("网址：" + reqData["url"]);
                res.end();
            });
        }
        else if (req.method === "GET") {
            var params = url.parse(req.url, true).query;
            console.log(params);
            res.write("网站：" + params["name"]);
            res.write("\n");
            res.write("网址：" + params["url"]);
            res.end();
        }
        else {
            res.end();
        }
    });
    
    server.on("error", function (error) {
        console.log("我是错误信息" + error);
    });
    
    server.on("connection", function () {
    
    });
    
    server.listen(port, hostname, function () {
        console.log(__dirname);
        console.log("服务器运行在 http://" + hostname + ":" + port + "/");
    });

get客户端：

/**
     * Created by liyanq on 17/3/19.
     *
     * export interface RequestOptions {
            protocol?: string;
            host?: string;
            hostname?: string;
            family?: number;
            port?: number;
            localAddress?: string;
            socketPath?: string;
            method?: string;
            path?: string;
            headers?: { [key: string]: any };
            auth?: string;
            agent?: Agent | boolean;
            timeout?: number;
        }
     */
    
    var http = require("http");
    
    var options = {
        hostname: "localhost",
        port: 3001,
        path: "/?name='baidu2'&url='www.baidu2.com'",//这里不能传中文，不知道原因，谁知道请指点下哈～
        method: "GET",
        headers: {
            "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
            "Accept-Encoding": "gzip, deflate, sdch",
            "Accept-Language": "zh-CN,zh;q=0.8,en;q=0.6",
            "Cache-Control": "max-age=0",
            "Connection": "keep-alive",
            "Cookie": "Webstorm-97ccd078=b588c8c8-9e96-432e-a4f7-30f754875a16",
            "Host": "localhost:3001",
            "Upgrade-Insecure-Requests": "1",
            "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko)"
        }
    };
    
    var req = http.request(options, function (res) {
        console.log(res.statusCode);
        console.log(JSON.stringify(res.headers));
        var resData = "";
        res.on("data", function (chunk) {//服务器每次write就执行一次data
            resData += chunk.toString();
        });
        res.on("end", function () {
            console.log(resData);//中文没打印出来，不知道原因
        })
    });
    
    req.on("error", function (e) {
        console.log("Error:" + e["message"])
    });
    
    req.end();

post客户端：

/**
     * Created by liyanq on 17/3/19.
     */
    
    var http = require("http");
    var queryString = require("querystring");
    
    var postData = queryString.stringify({
        name:"百度3",
        url:"www.baidu3.com"
    });
    var options = {
        hostname: "localhost",
        port: 3001,
        path: "",
        method: "POST",
        headers: {
            "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
            "Accept-Encoding": "gzip, deflate, sdch",
            "Accept-Language": "zh-CN,zh;q=0.8,en;q=0.6",
            "Cache-Control": "max-age=0",
            "Connection": "keep-alive",
            "Cookie": "Webstorm-97ccd078=b588c8c8-9e96-432e-a4f7-30f754875a16",
            "Host": "localhost:3001",
            "Upgrade-Insecure-Requests": "1",
            "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko)"
        }
    };
    
    var req = http.request(options, function (res) {
        console.log(res.statusCode);
        console.log(JSON.stringify(res.headers));
        var resData = "";
        res.on("data", function (chunk) {//服务器每次write就执行一次data
            resData += chunk.toString();
        });
        res.on("end", function () {
            console.log(resData);//中文没打印出来，不知道原因
        })
    });
    
    req.on("error", function (e) {
        console.log("Error:" + e["message"])
    });
    
    req.write(postData);
    
    req.end();