java+selenium模拟登陆新浪微博demo

Posted 2020-11-17 littlechicken

java代码

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.firefox.FirefoxDriver;

public class crawler {

    public static void main(String[] args) throws InterruptedException {

        //设置webdriver驱动的位置
        System.setProperty("webdriver.gecko.driver","C:\\Program Files\\Mozilla Firefox\\geckodriver.exe");
        WebDriver webDriver = new FirefoxDriver();
        webDriver.manage().window().maximize();
        webDriver.navigate().to("https://weibo.com/");
        Thread.sleep(10000);
        //定位到用户名输入框
        WebElement username = webDriver.findElement(By.xpath("//*[@id="loginname"]"));
        //定位到密码输入框
        WebElement password = webDriver.findElement(By.xpath("//*[@id="pl_login_form"]/div/div[3]/div[2]/div/input"));
        //输入用户名
        username.sendKeys("*****");
        //输入密码
        password.sendKeys("*****");
        Thread.sleep(1000);
        WebElement login = webDriver.findElement(By.xpath("/html/body/div[1]/div[1]/div/div[2]/div[1]/div[2]/div/div[2]/div[1]/div[2]/div[1]/div/div/div/div[3]/div[6]/a"));
        login.click();
        Thread.sleep(5000);
        //登陆后等待5s让js等异步内容加载完成，最后输出页面html
        System.out.println(webDriver.getPageSource());
    }

}

pom.xml里的依赖

<dependencies>

    <dependency>
      <groupId>org.seleniumhq.selenium</groupId>
      <artifactId>selenium-java</artifactId>
      <version>3.12.0</version>
    </dependency>

    <dependency>
      <groupId>org.seleniumhq.selenium</groupId>
      <artifactId>selenium-firefox-driver</artifactId>
      <version>3.12.0</version>
    </dependency>

  </dependencies>

firefox webdriver下载地址https://github.com/mozilla/geckodriver/releases/。

运行效果，浏览器中登陆成功，idea里面可以输出页面html。