node.js使用superagent实现模拟登陆功能（包含下载验证码功能）

var process = require(‘process‘);var superagent = require(‘superagent‘);var http = require(‘http‘);var fs = require(‘fs‘);var readline = require(‘readline‘);var picUrl = "http://192.168.1.125:9080/acps-mgm/login/changeValidateCode";var postUrl = "http://192.168.1.125:9080/acps-mgm/login/login";var testUrl = "http://192.168.1.125:9080/acps-mgm/merchant/view/235162";var username = "username";var password = "e99a18c428cb38d5f260853678922e03"; // "abc123"加密后var initCookie = "JSESSIONID=00000twI_3HQFk__rHfRohzQJiU:-1";var options = { ???hostname: "192.168.1.125", ???port: 9080, ???path: "/acps-mgm/login/changeValidateCode", ???method: "GET", ???headers: { ???????‘Accept‘ : ‘text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8‘, ???????‘Accept-Encoding‘: ‘gzip, deflate‘, ???????‘Accept-Language‘: ‘zh-CN,zh;q=0.9‘, ???????‘Cache-Control‘: ‘max-age=0‘, ???????‘Connection‘: ‘keep-alive‘, ???????‘Cookie‘: initCookie, ???????‘Host‘: ‘192.168.1.125:9080‘, ???????‘Upgrade-Insecure-Requests‘: ‘1‘, ???????‘User-Agent‘: ‘Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36‘ ???}}console.log(‘111‘);var reqForPic = http.request(options, function (res) { ???console.log("ReqForPic: status = " + res.statesCode); ???console.log(‘ReqForPic: headers = ‘ + JSON.stringify(res.headers)); ???var picCookie = res.headers[‘set-cookie‘][0].split(‘;‘)[0]; ???console.log("pic cookie: " + picCookie); ???res.setEncoding(‘binary‘); ???var content = ""; ???res.on(‘data‘, data => content += data) ???????.on(‘end‘, function () { ???????????fs.writeFileSync(__dirname + ‘/valiCode.jpg‘, content, ‘binary‘); ???????????console.log(‘成功下载验证码‘); ???????????var rl = readline.createInterface({ ???????????????input: process.stdin, ???????????????output: process.stdout ???????????}); ???????????rl.question("请输入验证码？", answer => { ???????????????var valiCode = answer; ???????????????rl.close(); ???????????????console.log("输入的验证码是：" + valiCode); ???????????????// post部分 ???????????????superagent.post(postUrl) ???????????????????.type("form") ???????????????????.set("Accept", "application/json, text/javascript, */*; q=0.01") ???????????????????.set("Accept-Encoding", "gzip, deflate") ???????????????????.set("Accept-Language", "zh-CN,zh;q=0.9") ???????????????????.set("Connection", "keep-alive") ???????????????????.set("Content-Length", "72") ???????????????????.set("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8") ???????????????????.set("Cookie", picCookie) ???????????????????.set("Host", "192.168.1.125:9080") ???????????????????.set("Origin", "http://192.168.1.125:9080") ???????????????????.set("Referer", "http://192.168.1.125:9080/acps-mgm/login.html") ???????????????????.set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36") ???????????????????.set("X-Requested-With", "XMLHttpRequest") ???????????????????.send({ ???????????????????????password: password, ???????????????????????username: username, ???????????????????????vailCode: valiCode ???????????????????}) ???????????????????.end( function (err, res) { ???????????????????????????????????????????????if (err) { ???????????????????????????console.log("出错：" + err); ???????????????????????} else { ???????????????????????????console.log(res.text); ???????????????????????????superagent.get(testUrl) ???????????????????????????????.set("Accept", "*/*") ???????????????????????????????.set("Accept-Encoding", "gzip, deflate") ???????????????????????????????.set("Accept-Language", "zh-CN,zh;q=0.9") ???????????????????????????????.set("Connection", "keep-alive") ???????????????????????????????.set("Cookie", picCookie) ???????????????????????????????.set("Host", "192.168.1.125:9080") ???????????????????????????????.set("Referer", "http://192.168.1.125:9080/acps-mgm/") ???????????????????????????????.set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36") ???????????????????????????????.end( (err2, res2)=> { ???????????????????????????????????if (err2) { ???????????????????????????????????????console.log("出错2：" + err2); ???????????????????????????????????} else { ???????????????????????????????????????console.log(res2.text); ???????????????????????????????????} ???????????????????????????????} ); ???????????????????????} ???????????????????} ); ???????????}); ???????});});reqForPic.on(‘error‘, err => console.log("请求验证码的时候发生错误：" + err.message));reqForPic.end();