import java.io.IOException;
import org.apache.http.HttpEntity;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

/**
 * HttpClient工具下載html
 * @author jun
 */
public class PageDownLoadUtil {
	public static String getPageContent(String url) {
		HttpClientBuilder builder = HttpClients.custom();
		//CloseableHttpClient是HttpClient介面的抽象類
		CloseableHttpClient client = builder.build();

		HttpGet request = new HttpGet(url);
		String content = null;
		try {
			CloseableHttpResponse response = client.execute(request);
			HttpEntity entity = response.getEntity();
			content = EntityUtils.toString(entity);
		} catch (ClientProtocolException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return content;
	}

	public static void main(String[] args) {
		String content = PageDownLoadUtil.getPageContent("http://www.hnwznz.com");
		System.out.print(content);
	}
}