Java http请求保存图片至本地，java请求保存图片,import java.

Java http请求保存图片至本地，java请求保存图片,import java.

import java.io.ByteArrayOutputStream;    import java.io.File;    import java.io.FileOutputStream;    import java.io.InputStream;    import java.net.HttpURLConnection;    import java.net.URL;    public class ImageRequest {        /**       * @param args       */        public static void main(String[] args) throws Exception {            int one=1;          int two=1;          while(true){          //new一个URL对象            URL url = new URL("http://sv3.map.soso.com/tile?svid=10143701130223133351200&x="+one+"&y="+two+"&from=web&level=1&v=2");            //打开链接            HttpURLConnection conn = (HttpURLConnection)url.openConnection();            //设置请求方式为"GET"            conn.setRequestMethod("GET");            //超时响应时间为5秒           // conn.setConnectTimeout(5 * 1000);            //通过输入流获取图片数据            InputStream inStream=null;          try{            inStream = conn.getInputStream();            }catch (Exception e) {                 System.out.println("Error"+one+","+two);              System.out.println("///");              if(two==20){                  one++;                  two=1;              }else{                  two++;              }              if(one==21){                  return;              }              continue;          }          //得到图片的二进制数据，以二进制封装得到数据，具有通用性            byte[] data = readInputStream(inStream);            //new一个文件对象用来保存图片，默认保存当前工程根目录            File imageFile = new File(one+","+two+".jpg");            System.out.println(one+","+two);          //创建输出流            FileOutputStream outStream = new FileOutputStream(imageFile);            //写入数据            outStream.write(data);            //关闭输出流            outStream.close();            if(two==20){              one++;              two=1;          }else{              two++;          }          if(one==20){              return;          }          }      }        public static byte[] readInputStream(InputStream inStream) throws Exception{            ByteArrayOutputStream outStream = new ByteArrayOutputStream();            //创建一个Buffer字符串            byte[] buffer = new byte[1024];            //每次读取的字符串长度，如果为-1，代表全部读取完毕            int len = 0;            //使用一个输入流从buffer里把数据读取出来            while( (len=inStream.read(buffer)) != -1 ){                //用输出流往buffer里写入数据，中间参数代表从哪个位置开始读，len代表读取的长度                outStream.write(buffer, 0, len);            }            //关闭输入流            inStream.close();            //把outStream里的数据写入内存            return outStream.toByteArray();        }    }