java image关键词

根据引用[1]所述，ImageCrawler是一款基于Java的针对网站的图片爬虫程序，可根据关键词查询并批量下载图片。因此，Java中可以使用ImageCrawler来实现根据关键词搜索图片的功能。

以下是一个使用ImageCrawler实现根据关键词搜索图片并下载的Java代码示例：

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.List;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import com.github.abola.crawler.CrawlerPack;
import com.github.abola.crawler.extractor.Extractor;
import com.github.abola.crawler.extractor.impl.JsoupExtractor;
import com.github.abola.crawler.extractor.impl.RegexExtractor;
import com.github.abola.crawler.extractor.impl.StringExtractor;
import com.github.abola.crawler.extractor.impl.XPathExtractor;
import com.github.abola.crawler.handler.CrawlerHandler;
import com.github.abola.crawler.handler.CrawlerHandlerChain;
import com.github.abola.crawler.handler.impl.DefaultCrawlerHandlerChain;
import com.github.abola.crawler.handler.impl.DownloadHandler;
import com.github.abola.crawler.handler.impl.FileHandler;
import com.github.abola.crawler.handler.impl.ImageHandler;
import com.github.abola.crawler.handler.impl.JsonHandler;
import com.github.abola.crawler.handler.impl.TextHandler;
import com.github.abola.crawler.handler.impl.XmlHandler;
import com.github.abola.crawler.parser.Parser;
import com.github.abola.crawler.parser.impl.JsoupParser;
import com.github.abola.crawler.parser.impl.RegexParser;
import com.github.abola.crawler.parser.impl.StringParser;
import com.github.abola.crawler.parser.impl.XPathParser;
import com.github.abola.crawler.pipeline.Pipeline;
import com.github.abola.crawler.pipeline.impl.ConsolePipeline;
import com.github.abola.crawler.pipeline.impl.FilePipeline;
import com.github.abola.crawler.pipeline.impl.ImagePipeline;
import com.github.abola.crawler.pipeline.impl.JsonPipeline;
import com.github.abola.crawler.pipeline.impl.TextPipeline;
import com.github.abola.crawler.pipeline.impl.XmlPipeline;
import com.github.abola.crawler.scheduler.Scheduler;
import com.github.abola.crawler.scheduler.impl.DefaultScheduler;
import com.github.abola.crawler.selector.Selector;
import com.github.abola.crawler.selector.impl.CssSelector;
import com.github.abola.crawler.selector.impl.JsoupSelector;
import com.github.abola.crawler.selector.impl.RegexSelector;
import com.github.abola.crawler.selector.impl.XPathSelector;
import com.github.abola.crawler.util.CrawlerUtil;
import com.github.abola.crawler.util.FileUtil;
import com.github.abola.crawler.util.ImageUtil;
import com.github.abola.crawler.util.JsonUtil;
import com.github.abola.crawler.util.StringUtil;import com.github.abola.crawler.util.XmlUtil;

public class ImageCrawlerDemo {

    public static void main(String[] args) throws IOException {
        String keyword = "java"; // 设置搜索关键词
        String savePath = "D:/images/"; // 设置图片保存路径

        // 创建ImageCrawler对象
        ImageCrawler crawler = new ImageCrawler(keyword, savePath);

        // 开始爬取图片
        crawler.crawl();
    }
}

// ImageCrawler类
class ImageCrawler {
    private String keyword; // 搜索关键词
    private String savePath; // 图片保存路径

    public ImageCrawler(String keyword, String savePath) {
        this.keyword = keyword;
        this.savePath = savePath;
    }

    public void crawl() throws IOException {
        // 构造搜索URL
        String searchUrl = "https://www.google.com/search?q=" + keyword + "&tbm=isch";

        // 发送HTTP请求并获取响应内容
        Document doc = Jsoup.connect(searchUrl).get();

        // 解析响应内容，获取所有图片元素
        Elements imgElems = doc.select("img");

        // 遍历所有图片元素，下载图片
        for (Element imgElem : imgElems) {
            // 获取图片URL
            String imgUrl = imgElem.attr("src");

            // 下载图片
            ImageUtil.downloadImage(imgUrl, savePath);
        }
    }
}