資訊專欄INFORMATION COLUMN
摘要：是否加載圖片，默認不加載嘗試性解決問題關閉失敗注意和的區別沒打開一個頁面就截圖最大化禁止下載加載圖片嘗試性解決問題關閉失敗滾動窗口。重新調整窗口大小，以適應頁面，需要耗費一定時間。建議等待合理的時間。
import org.openqa.selenium.WebDriver;
public interface WebDriverPool {
WebDriver get() throws InterruptedException;
void returnToPool(WebDriver webDriver);
void close(WebDriver webDriver);
void shutdown();
}
import java.util.ArrayList;
import java.util.concurrent.BlockingDeque;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import net.xby1993.common.util.FileUtil;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.phantomjs.PhantomJSDriver;
import org.openqa.selenium.phantomjs.PhantomJSDriverService;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author taojw
*/
public class PhantomjsWebDriverPool implements WebDriverPool{
private Logger logger = LoggerFactory.getLogger(getClass());
private int CAPACITY = 5;
private AtomicInteger refCount = new AtomicInteger(0);
private static final String DRIVER_PHANTOMJS = "phantomjs";
/**
* store webDrivers available
*/
private BlockingDeque innerQueue = new LinkedBlockingDeque(
CAPACITY);
private String PHANTOMJS_PATH;
private DesiredCapabilities caps = DesiredCapabilities.phantomjs();
public PhantomjsWebDriverPool() {
this(5,false);
}
/**
*
* @param poolsize
* @param loadImg 是否加載圖片，默認不加載
*/
public PhantomjsWebDriverPool(int poolsize,boolean loadImg) {
this.CAPACITY = poolsize;
innerQueue = new LinkedBlockingDeque(poolsize);
PHANTOMJS_PATH = FileUtil.getCommonProp("phantomjs.path");
caps.setJavascriptEnabled(true);
caps.setCapability(
PhantomJSDriverService.PHANTOMJS_EXECUTABLE_PATH_PROPERTY,
PHANTOMJS_PATH);
// caps.setCapability("takesScreenshot", false);
caps.setCapability(
PhantomJSDriverService.PHANTOMJS_PAGE_CUSTOMHEADERS_PREFIX
+ "User-Agent",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36");
ArrayList cliArgsCap = new ArrayList();
//http://phantomjs.org/api/command-line.html
cliArgsCap.add("--web-security=false");
cliArgsCap.add("--ssl-protocol=any");
cliArgsCap.add("--ignore-ssl-errors=true");
if(loadImg){
cliArgsCap.add("--load-images=true");
}else{
cliArgsCap.add("--load-images=false");
}
caps.setCapability(PhantomJSDriverService.PHANTOMJS_CLI_ARGS,
cliArgsCap);
caps.setCapability(
PhantomJSDriverService.PHANTOMJS_GHOSTDRIVER_CLI_ARGS,
new String[] {"--logLevel=INFO"});
}
public WebDriver get() throws InterruptedException {
WebDriver poll = innerQueue.poll();
if (poll != null) {
return poll;
}
if (refCount.get() < CAPACITY) {
synchronized (innerQueue) {
if (refCount.get() < CAPACITY) {
WebDriver mDriver = new PhantomJSDriver(caps);
// 嘗試性解決：https://github.com/ariya/phantomjs/issues/11526問題
mDriver.manage().timeouts()
.pageLoadTimeout(60, TimeUnit.SECONDS);
// mDriver.manage().window().setSize(new Dimension(1366,
// 768));
innerQueue.add(mDriver);
refCount.incrementAndGet();
}
}
}
return innerQueue.take();
}
public void returnToPool(WebDriver webDriver) {
// webDriver.quit();
// webDriver=null;
innerQueue.add(webDriver);
}
public void close(WebDriver webDriver) {
refCount.decrementAndGet();
webDriver.quit();
webDriver = null;
}
public void shutdown() {
try {
for (WebDriver driver : innerQueue) {
close(driver);
}
innerQueue.clear();
} catch (Exception e) {
// e.printStackTrace();
logger.warn("webdriverpool關閉失敗",e);
}
}
}
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.BlockingDeque;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import net.xby1993.common.util.FileUtil;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ChromeWebDriverPool implements WebDriverPool{
private Logger logger = LoggerFactory.getLogger(getClass());
private int CAPACITY = 5;
private AtomicInteger refCount = new AtomicInteger(0);
private static final String DRIVER_NAME = "chrome";
/**
* store webDrivers available
*/
private BlockingDeque innerQueue = new LinkedBlockingDeque(
CAPACITY);
private static String DRIVER_PATH;
private static DesiredCapabilities caps = DesiredCapabilities.chrome();
static {
DRIVER_PATH = FileUtil.getCommonProp("chrome.path");
System.setProperty("webdriver.chrome.driver", FileUtil.getCommonProp("chrome.driver.path"));
ChromeOptions options = new ChromeOptions();
// options.addExtensions(new File("/path/to/extension.crx"))
// options.setBinary(DRIVER_PATH); //注意chrome和chromeDirver的區別
options.addArguments("test-type"); //ignore certificate errors
options.addArguments("headless");// headless mode
options.addArguments("disable-gpu");
// options.addArguments("log-path=chromedriver.log");
// options.addArguments("screenshot"); 沒打開一個頁面就截圖
//options.addArguments("start-maximized"); 最大化
//Use custom profile
Map prefs = new HashMap();
// prefs.put("profile.default_content_settings.popups", 0);
//http://stackoverflow.com/questions/28070315/python-disable-images-in-selenium-google-chromedriver
prefs.put("profile.managed_default_content_settings.images",2); //禁止下載加載圖片
options.setExperimentalOption("prefs", prefs);
caps.setJavascriptEnabled(true);
caps.setCapability(ChromeOptions.CAPABILITY, options);
// caps.setCapability("takesScreenshot", false);
/* Add the WebDriver proxy capability.
Proxy proxy = new Proxy();
proxy.setHttpProxy("myhttpproxy:3337");
capabilities.setCapability("proxy", proxy);
*/
}
public ChromeWebDriverPool() {
}
public ChromeWebDriverPool(int poolsize) {
this.CAPACITY = poolsize;
innerQueue = new LinkedBlockingDeque(poolsize);
}
public WebDriver get() throws InterruptedException {
WebDriver poll = innerQueue.poll();
if (poll != null) {
return poll;
}
if (refCount.get() < CAPACITY) {
synchronized (innerQueue) {
if (refCount.get() < CAPACITY) {
WebDriver mDriver = new ChromeDriver(caps);
// 嘗試性解決：https://github.com/ariya/phantomjs/issues/11526問題
mDriver.manage().timeouts()
.pageLoadTimeout(60, TimeUnit.SECONDS);
// mDriver.manage().window().setSize(new Dimension(1366,
// 768));
innerQueue.add(mDriver);
refCount.incrementAndGet();
}
}
}
return innerQueue.take();
}
public void returnToPool(WebDriver webDriver) {
// webDriver.quit();
// webDriver=null;
innerQueue.add(webDriver);
}
public void close(WebDriver webDriver) {
refCount.decrementAndGet();
webDriver.quit();
webDriver = null;
}
public void shutdown() {
try {
for (WebDriver driver : innerQueue) {
close(driver);
}
innerQueue.clear();
} catch (Exception e) {
// e.printStackTrace();
logger.warn("webdriverpool關閉失敗", e);
}
}
}
import java.io.Closeable;
import java.io.IOException;
import org.openqa.selenium.WebDriver;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class WebDriverManager implements Closeable{
private static final Logger log=LoggerFactory.getLogger(WebDriverManager.class);
private WebDriverPool webDriverPool=null;
public WebDriverManager(){
this.webDriverPool=new PhantomjsWebDriverPool(1,false);
}
public WebDriverManager(WebDriverPool webDriverPool){
this.webDriverPool=webDriverPool;
}
public void load(String url,int sleepTimeMillis,SeleniumAction... actions){
WebDriver driver=null;
try {
driver=webDriverPool.get();
driver.get(url);
sleep(sleepTimeMillis);
WebDriver.Options manage = driver.manage();
manage.window().maximize();
for(SeleniumAction action:actions){
action.execute(driver);
}
} catch (InterruptedException e) {
e.printStackTrace();
log.error("",e);
}finally{
if(driver!=null){
webDriverPool.returnToPool(driver);
}
}
}
public void load(SeleniumAction... actions){
WebDriver driver=null;
try {
driver=webDriverPool.get();
WebDriver.Options manage = driver.manage();
manage.window().maximize();
for(SeleniumAction action:actions){
action.execute(driver);
}
} catch (InterruptedException e) {
e.printStackTrace();
log.error("",e);
}finally{
if(driver!=null){
webDriverPool.returnToPool(driver);
}
}
}
public void shutDown(){
if(webDriverPool!=null){
webDriverPool.shutdown();
}
}
@Override
public void close() throws IOException {
shutDown();
}
public void sleep(long millis){
try {
Thread.sleep(millis);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
import org.openqa.selenium.WebDriver;
/**
* @author taojw
*
*/
public interface SeleniumAction {
void execute(WebDriver driver);
}
import java.io.File;
import java.io.IOException;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.apache.commons.io.FileUtils;
import org.openqa.selenium.By;
import org.openqa.selenium.Cookie;
import org.openqa.selenium.Dimension;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.NoSuchElementException;
import org.openqa.selenium.OutputType;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.interactions.Actions;
/**
* @author taojw
*
*/
public class WindowUtil {
/**
* 滾動窗口。
* @param driver
* @param height
*/
public static void scroll(WebDriver driver,int height){
((JavascriptExecutor)driver).executeScript("window.scrollTo(0,"+height+" );");
}
/**
* 重新調整窗口大小，以適應頁面，需要耗費一定時間。建議等待合理的時間。
* @param driver
*/
public static void loadAll(WebDriver driver){
Dimension od=driver.manage().window().getSize();
int width=driver.manage().window().getSize().width;
//嘗試性解決：https://github.com/ariya/phantomjs/issues/11526問題
driver.manage().timeouts().pageLoadTimeout(60, TimeUnit.SECONDS);
long height=(Long)((JavascriptExecutor)driver).executeScript("return document.body.scrollHeight;");
driver.manage().window().setSize(new Dimension(width, (int)height));
driver.navigate().refresh();
}
public static void refresh(WebDriver driver){
driver.navigate().refresh();
}
public static void taskScreenShot(WebDriver driver,File saveFile){
if(saveFile.exists()){
saveFile.delete();
}
File src=((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
try {
FileUtils.copyFile(src, saveFile);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void changeWindow(WebDriver driver){
// 獲取當前頁面句柄
String handle = driver.getWindowHandle();
// 獲取所有頁面的句柄，并循環判斷不是當前的句柄，就做選取switchTo()
for (String handles : driver.getWindowHandles()) {
if (handles.equals(handle))
continue;
driver.switchTo().window(handles);
}
}
public static void changeWindowTo(WebDriver driver,String handle){
for (String tmp : driver.getWindowHandles()) {
if (tmp.equals(handle)){
driver.switchTo().window(handle);
break;
}
}
}
/**
* 打開一個新tab頁，返回該tab頁的windowhandle
* @param driver
* @param url
* @return
*/
public static String openNewTab(WebDriver driver,String url){
Set strSet1=driver.getWindowHandles();
((JavascriptExecutor)driver).executeScript("window.open(""+url+"","_blank");");
sleep(1000);
Set strSet2=driver.getWindowHandles();
for(String tmp:strSet2){
if(!strSet1.contains(tmp)){
return tmp;
}
}
return null;
}
public static void sleep(long millis){
try {
Thread.sleep(millis);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
/**
* 操作關閉模態窗口
* @param driver
* @param type 如Id,ClassName
* @param sel 選擇器
*/
public static void clickModal(WebDriver driver,String type,String sel){
String js="document.getElementsBy"+type+"(""+sel+"")[0].click();";
((JavascriptExecutor)driver).executeScript(js);
}
/**
* 判斷一個元素是否存在
* @param driver
* @param by
* @return
*/
public static boolean checkElementExists(WebDriver driver,By by){
try{
driver.findElement(by);
return true;
}catch(NoSuchElementException e){
return false;
}
}
/**
* 點擊一個元素
* @param driver
* @param by
*/
public static void clickElement(WebDriver driver,By by){
WebElement tmp=driver.findElement(by);
Actions actions=new Actions(driver);
actions.moveToElement(tmp).click().perform();
}
public static void clickElement(WebDriver driver,WebElement tmp){
Actions actions=new Actions(driver);
actions.moveToElement(tmp).click().perform();
}
public static Object execJs(WebDriver driver,String js){
return ((JavascriptExecutor)driver).executeScript(js);
}
public static void clickByJsCssSelector(WebDriver driver,String cssSelector){
String js="document.querySelector(""+cssSelector+"").click();";
((JavascriptExecutor)driver).executeScript(js);
}
public static Set getCookies(WebDriver driver){
return driver.manage().getCookies();
}
public static void setCookies(WebDriver driver,Set cookies){
if(cookies==null){
return;
}
//Phantomjs存在Cookie設置bug,只能通過js來設置了。
StringBuilder sb=new StringBuilder();
for(Cookie cookie:cookies){
String js="document.cookie=""+cookie.getName()+"="+cookie.getValue()+";path="+cookie.getPath()+";domain="+cookie.getDomain()+"";";
sb.append(js);
}
((JavascriptExecutor)driver).executeScript(sb.toString());
}
public static String getHttpCookieString(Set cookies){
String httpCookie="";
int index=0;
for(Cookie c:cookies){
index++;
if(index==cookies.size()){
httpCookie+=c.getName()+"="+c.getValue();
}else{
httpCookie+=c.getName()+"="+c.getValue()+"; ";
}
}
return httpCookie;
}
}
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