Java: 如何使用 Selenium 从亚马逊抓取图片?
Java: How to Scrape Images from Amazon with Selenium?
我正在尝试使用 Selenium WebDriver 从亚马逊上的 URL 抓取页面左侧的 6 张图片:
http://www.amazon.com/EasyAcc%C2%AE-10000mAh-Brilliant-Smartphone-Bluetooth/dp/B00H9BEC8E
但是,无论我尝试什么都会导致错误。到目前为止我尝试了什么:
我尝试直接使用 XPATH 抓取图像,然后使用 "getAttributes" 方法提取 src。例如,对于页面上的第一个图像,XPATH 是:
.//*[@id='a-autoid-2']/span/input
所以我尝试了以下方法:
String path1 = ".//*[@id='a-autoid-2']/span/input";
String url = "http://www.amazon.com/EasyAcc%C2%AE-10000mAh-Brilliant-Smartphone-Bluetooth/dp/B00H9BEC8E";
WebDriver driver = new FirefoxDriver();
driver.get(url);
WebElement s;
s = driver.findElement(By.xpath(path1));
String src;
src = s.getAttribute("src");
System.out.println(src);
但是我找不到来源。
注意:仅当从某些类型的产品中抓取图像时才会出现此问题。例如,我可以使用 Selenium 轻松地从该产品中抓取图像:
http://www.amazon.com/Ultimate-Unification-Diet-Health-Disease/dp/0615797806/
import java.util.List;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
public class mytest {
public static void main(String[] args) {
// TODO Auto-generated method stub
String path = ".//*[@id='imgThumbs']/div[2]/img";
String url = "http://www.amazon.com/Ultimate-Unification-Diet-Health-Disease/dp/0615797806/";
WebDriver driver = new FirefoxDriver();
driver.get(url);
WebElement s;
s = driver.findElement(By.xpath(path));
String src;
src = s.getAttribute("src");
System.out.println(src);
driver.close();
}
}
此代码完美运行。只是在抓取某些产品时,似乎没有办法解决。
我尝试单击导致 iframe 打开的图像,但我也无法从该 iframe 中抓取图像,即使在切换到 iframe 后也是如此:
driver.switchTo().frame(IFRAMEID);
我知道我可以使用 "screenshot" 方法,但我想知道是否有办法直接抓取图像?
谢谢
试试这个代码
String path = "//div[@id='imageBlock_feature_div']//span/img";
String url = "http://rads.whosebug.com/amzn/click/0615797806";
WebDriver driver = new FirefoxDriver();
driver.get(url);
List<WebElement> srcs;
srcs = driver.findElements(By.xpath(path));
for(WebElement src : srcs) {
System.out.println(src.getAttribute("src"));
}
driver.close();
结果
2015-01-23 12:36:14 [main]-[INFO] Opened url: http://rads.whosebug.com/amzn/click/B00H9BEC8E
http://ecx.images-amazon.com/images/I/41cOP3mFX3L._SX38_SY50_CR,0,0,38,50_.jpg
http://ecx.images-amazon.com/images/I/51YkMhRXqcL._SX38_SY50_CR,0,0,38,50_.jpg
http://ecx.images-amazon.com/images/I/51nSbXF%2BCTL._SX38_SY50_CR,0,0,38,50_.jpg
http://ecx.images-amazon.com/images/I/31s%2B31F%2BQmL._SX38_SY50_CR,0,0,38,50_.jpg
http://ecx.images-amazon.com/images/I/41FmTOJEOOL._SX38_SY50_CR,0,0,38,50_.jpg
http://ecx.images-amazon.com/images/I/41U6qpLJ07L._SX38_SY50_CR,0,0,38,50_.jpg
但是,要获取亚马逊图片,我建议您尝试亚马逊 API https://affiliate-program.amazon.com/gp/advertising/api/detail/main.html
好多了。
我正在尝试使用 Selenium WebDriver 从亚马逊上的 URL 抓取页面左侧的 6 张图片:
http://www.amazon.com/EasyAcc%C2%AE-10000mAh-Brilliant-Smartphone-Bluetooth/dp/B00H9BEC8E
但是,无论我尝试什么都会导致错误。到目前为止我尝试了什么:
我尝试直接使用 XPATH 抓取图像,然后使用 "getAttributes" 方法提取 src。例如,对于页面上的第一个图像,XPATH 是:
.//*[@id='a-autoid-2']/span/input
所以我尝试了以下方法:
String path1 = ".//*[@id='a-autoid-2']/span/input";
String url = "http://www.amazon.com/EasyAcc%C2%AE-10000mAh-Brilliant-Smartphone-Bluetooth/dp/B00H9BEC8E";
WebDriver driver = new FirefoxDriver();
driver.get(url);
WebElement s;
s = driver.findElement(By.xpath(path1));
String src;
src = s.getAttribute("src");
System.out.println(src);
但是我找不到来源。
注意:仅当从某些类型的产品中抓取图像时才会出现此问题。例如,我可以使用 Selenium 轻松地从该产品中抓取图像:
http://www.amazon.com/Ultimate-Unification-Diet-Health-Disease/dp/0615797806/
import java.util.List;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
public class mytest {
public static void main(String[] args) {
// TODO Auto-generated method stub
String path = ".//*[@id='imgThumbs']/div[2]/img";
String url = "http://www.amazon.com/Ultimate-Unification-Diet-Health-Disease/dp/0615797806/";
WebDriver driver = new FirefoxDriver();
driver.get(url);
WebElement s;
s = driver.findElement(By.xpath(path));
String src;
src = s.getAttribute("src");
System.out.println(src);
driver.close();
}
}
此代码完美运行。只是在抓取某些产品时,似乎没有办法解决。
我尝试单击导致 iframe 打开的图像,但我也无法从该 iframe 中抓取图像,即使在切换到 iframe 后也是如此:
driver.switchTo().frame(IFRAMEID);
我知道我可以使用 "screenshot" 方法,但我想知道是否有办法直接抓取图像?
谢谢
试试这个代码
String path = "//div[@id='imageBlock_feature_div']//span/img";
String url = "http://rads.whosebug.com/amzn/click/0615797806";
WebDriver driver = new FirefoxDriver();
driver.get(url);
List<WebElement> srcs;
srcs = driver.findElements(By.xpath(path));
for(WebElement src : srcs) {
System.out.println(src.getAttribute("src"));
}
driver.close();
结果
2015-01-23 12:36:14 [main]-[INFO] Opened url: http://rads.whosebug.com/amzn/click/B00H9BEC8E
http://ecx.images-amazon.com/images/I/41cOP3mFX3L._SX38_SY50_CR,0,0,38,50_.jpg
http://ecx.images-amazon.com/images/I/51YkMhRXqcL._SX38_SY50_CR,0,0,38,50_.jpg
http://ecx.images-amazon.com/images/I/51nSbXF%2BCTL._SX38_SY50_CR,0,0,38,50_.jpg
http://ecx.images-amazon.com/images/I/31s%2B31F%2BQmL._SX38_SY50_CR,0,0,38,50_.jpg
http://ecx.images-amazon.com/images/I/41FmTOJEOOL._SX38_SY50_CR,0,0,38,50_.jpg
http://ecx.images-amazon.com/images/I/41U6qpLJ07L._SX38_SY50_CR,0,0,38,50_.jpg
但是,要获取亚马逊图片,我建议您尝试亚马逊 API https://affiliate-program.amazon.com/gp/advertising/api/detail/main.html
好多了。