Java下载网上图片

package com.pandy.utils;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;

/**
 * 项目名称: wp_idea_linux
 * 功能说明:
 * 创建者: Pandy,
 * 邮箱: [email protected], [email protected]
 * 版权:
 * 官网:
 * 创建日期: 15-2-2.
 * 创建时间: 下午3:11.
 * 修改历史:
 * -----------------------------------------------
 */
public class DownloadImageFromHttp {
    public static void download(String url, String path) {
        InputStream in = null;
        try {
            CloseableHttpClient httpclient = HttpClients.createDefault();
            HttpGet httpget = new HttpGet(url);
            HttpResponse response = httpclient.execute(httpget);
            HttpEntity entity = response.getEntity();
            in = entity.getContent();

            creareDir(path);

            File file = new File(path);
            FileOutputStream fout = new FileOutputStream(file);
            int l = -1;
            byte[] tmp = new byte[1024];
            while ((l = in.read(tmp)) != -1) {
                fout.write(tmp, 0, l);
            }
            fout.flush();
            fout.close();
        }catch (Exception e){
            e.printStackTrace();
        }
        finally {
            try{
                in.close();
            }catch (Exception e){
            }
        }
    }

    private static void creareDir(String filePath){
        String dir = filePath.substring(0,filePath.lastIndexOf(File.separator));
        File f = new File(dir);
        f.mkdirs();
    }

}