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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | 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(); } } |