selenium+java-查找页面中包含关键字的URL

package seleniumLearn1;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;

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

import com.gargoylesoftware.htmlunit.javascript.host.Element;

/**
 * 获取http://www.qyer.com页面中，所有</a>标签"href"属性值
 * 包含英文单词“place”的URL,并将结果保存到“/home/result.log”文件中。
 * @author 0
 *
 */
public class Search {
        
        static String baseUrl="http://www.qyer.com";
        public static void main(String[] args) {
                System.setProperty("webdriver.chrome.driver", "E:\\\\webDriver\\\\chromedriverV2.28.exe");
                File logFile = new File("d://logFile.txt");
                if(!(logFile.exists())) {
                        try {
                                logFile.createNewFile();
                        } catch (IOException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                        }
                }
                
                WebDriver driver = new ChromeDriver();
                driver.get(baseUrl);
                
                //获取所有a标签
                List<WebElement> aList = driver.findElements(By.tagName("a"));
                try {
                        Thread.sleep(10000);
                } catch (Exception e) {
                        e.printStackTrace();
                }
                //便利所有标签
                FileOutputStream fs = null;
                try {
                        fs = new FileOutputStream(logFile);
                        for (WebElement a : aList) {
                                System.out.println(a.getAttribute("href"));//获取a标签中的URL
                                
                                //获取a标签href属性值
                                String urlStr = a.getAttribute("href");
                                if(urlStr.contains("place")) {
                                        urlStr +="\r\n";
                                        //将URL写入文件中
                                        fs.write(urlStr.getBytes());
                                }
                                
                        }
                } catch (Exception e) {
                        e.printStackTrace();
                }
        }
}