SeleniumDownloader.java
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package com.canrd.webmagic.processor.download;
import com.canrd.webmagic.config.SeleniumConfig;
import com.canrd.webmagic.processor.config.Agent;
import lombok.extern.slf4j.Slf4j;
import org.openqa.selenium.*;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.springframework.stereotype.Component;
import us.codecraft.webmagic.Page;
import us.codecraft.webmagic.Request;
import us.codecraft.webmagic.Site;
import us.codecraft.webmagic.Task;
import us.codecraft.webmagic.downloader.AbstractDownloader;
import us.codecraft.webmagic.selector.Html;
import us.codecraft.webmagic.selector.PlainText;
import javax.annotation.Resource;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author: xms
* @description: TODO
* @date: 2024/4/26 16:36
* @version: 1.0
*/
@Slf4j
@Component
public class SeleniumDownloader extends AbstractDownloader {
private int sleepTime = 10000;
@Resource
private SeleniumConfig config;
/**
* set sleep time to wait until load success
*
* @param sleepTime sleepTime
* @return this
*/
public SeleniumDownloader setSleepTime(int sleepTime) {
this.sleepTime = sleepTime;
return this;
}
public static boolean checkUrl(String url) {
String pattern = "https://id.elsevier.com/as/[a-zA-Z0-9]+/resume/as/";
Pattern r = Pattern.compile(pattern);
Matcher m = r.matcher(url);
return m.find();
}
@Override
public Page download(Request request, Task task) {
Page page = Page.fail();
WebDriver webDriver = null;
try {
//0默认谷歌浏览器
webDriver = config.getWebDriver(SeleniumConfig.DRIVER_KEYS.get(0));
WebDriver.Options manage = webDriver.manage();
Site site = task.getSite();
site.setUserAgent(Agent.getRandom());
if (site.getCookies() != null) {
for (Map.Entry<String, String> cookieEntry : site.getCookies()
.entrySet()) {
Cookie cookie = new Cookie(cookieEntry.getKey(),
cookieEntry.getValue());
manage.addCookie(cookie);
}
}
log.info("downloading page " + request.getUrl());
webDriver.get(request.getUrl());
if (request.getUrl().equals("https://www.cell.com/matter/home")) {
WebElement searchText = webDriver.findElement(By.id("searchText"));
searchText.sendKeys("Aluminum foil");
WebElement element = webDriver.findElement(By.xpath("//div[@class='quick-search__toggle']/button"));
element.submit();
WebDriverWait wait = new WebDriverWait(webDriver, 30);
wait.until(ExpectedConditions.urlContains("https://www.cell.com/action/doSearch?"));
// wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("//div[@class='cb-c']")));
// WebElement cloudFlare = webDriver.findElement(By.xpath("//div[@class='cb-c']/label/input"));
// if (cloudFlare!=null){
// cloudFlare.click();
// }
}
if (request.getUrl().equals("https://www.sciencedirect.com/search?qs=battery&pub=Nano%20Today&cid=273494")) {
WebDriverWait wait = new WebDriverWait(webDriver, 60);
Boolean until = wait.until(ExpectedConditions.urlContains("https://id.elsevier.com/"));
if (until) {
log.info(webDriver.getCurrentUrl());
// if (checkUrl(webDriver.getCurrentUrl())) {
String currentUrl = webDriver.getCurrentUrl();
log.info("currentUrl=" + currentUrl);
String pageSource = webDriver.getPageSource();
log.info(pageSource);
// WebElement element = webDriver.findElement(By.xpath("//div[@class='form-row']/from/div[@id='jsEnabled']/input"));
// webDriver.findElement(By.xpath("//a[@class='ot-sdk-show-settings cookie anchor-text']")).click();
webDriver.findElement(By.xpath("//input[@id='bdd-email']")).getAttribute("1187551704@qq.com");
webDriver.findElement(By.xpath("//button[@id='bdd-els-searchBtn']")).submit();
// String text = element.getText();
// log.info(text);
// }
} else {
log.info("跳转失败");
}
}
try {
if (sleepTime > 0) {
//休眠3秒就是为了动态的数据渲染完成后在进行获取
Thread.sleep(sleepTime);
}
} catch (InterruptedException e) {
e.printStackTrace();
}
// WebElement targetElement;
// do {
// try {
// targetElement = webDriver.findElement(By.xpath("//h2[@class=\"h2\"]"));
// log.info(String.valueOf(targetElement));
// log.info("等待验证中");
// Thread.sleep(sleepTime); // 等待一段时间后再检查
// } catch (NoSuchElementException e) {
// targetElement = null; // 如果找不到特定元素，则退出循环
// }
// } while (targetElement != null);
WebElement webElement = webDriver.findElement(By.xpath("/html"));
String content = webElement.getAttribute("outerHTML");
page.setDownloadSuccess(true);
page.setRawText(content);
page.setHtml(new Html(content, request.getUrl()));
page.setUrl(new PlainText(request.getUrl()));
page.setRequest(request);
log.info("onSuccess");
onSuccess(request, task);
} catch (Exception e) {
log.warn("download page {} error", request.getUrl(), e);
onError(request, task, e);
} finally {
if (webDriver != null) {
webDriver.close();
webDriver.quit();
webDriver = null;
}
}
return page;
}
@Override
public void setThread(int i) {
}
}