JAVA爬虫实现自动登录淘宝

package util;import org.openqa.selenium.By;import org.openqa.selenium.WebElement;import org.openqa.selenium.firefox.FirefoxDriver;import org.openqa.selenium.firefox.FirefoxOptions;import org.openqa.selenium.firefox.FirefoxProfile;import java.io.File;import java.util.Random;public class TestCase2 {  public static void main(String[] args)  {    System.setProperty("webdriver.firefox.bin","C://Program Files//Mozilla Firefox//firefox.exe");    System.setProperty("webdriver.gecko.driver","C://Users//18431//IdeaProjects//SeleniumDemo//bin//geckodriver.exe");    FirefoxOptions options = new FirefoxOptions();    FirefoxProfile profile = new FirefoxProfile(new File("C://Users//18431//AppData//Roaming//Mozilla//Firefox//Profiles//efzu2oem.default"));    options.setProfile(profile);    FirefoxDriver driver = new FirefoxDriver();    driver.get("https://login.m.taobao.com/login.htm");    //下面开始完全模拟正常人的操作，所以你会看到很多 sleep 操作    WebElement usernameElement = driver.findElement(By.id("username"));    //模拟用户点击用户名输入框    usernameElement.click();    String username = "18588260144";//你的手机号    String password = "xxxxxxxxxxx";//你的密码    Random rand = new Random();    try {      for (int i = 0; i <username.length() ; i++) {        Thread.sleep(rand.nextInt(1000));//随机睡眠0-1秒        //逐个输入单个字符        usernameElement.sendKeys(""+username.charAt(i));      }      WebElement passwordElement = driver.findElement(By.id("password"));      passwordElement.click();      //输入完成用户名后，随机睡眠0-3秒      Thread.sleep(rand.nextInt(3000));      for (int i = 0; i <password.length() ; i++) {        Thread.sleep(rand.nextInt(1000));        passwordElement.sendKeys(""+password.charAt(i));      }      driver.findElement(By.id("btn-submit")).click();    } catch (Exception e){      e.printStackTrace();    }    try {      Thread.sleep(300000);    }catch (InterruptedException ie){      ie.printStackTrace();    }    driver.quit();  }}