| 标题 | Java读取网上静态文件资源 |
| 内容 | Java读取网上静态文件资源，具体代码如下： public class ResourceLoader { private static final int BUFFER_SIZE = 1024; public void loadResourceIntoFile(String urlStr, String file) throws IOException { URL url = null; URLConnection con = null; InputStream in = null; FileOutputStream out = null; try { url = new URL(urlStr); con = url.openConnection(); File targetFile = new File(file); long curLength = targetFile.length(); if (curLength > 0) con.setRequestProperty("RANGE", "bytes=" + curLength); con.connect(); long totalLength = con.getHeaderFieldLong("Content-Length", 0); System.out.println("total length:" + totalLength); in = con.getInputStream(); out = new FileOutputStream(targetFile, true); if (totalLength > 0) { int len; byte[] buffer = new byte[BUFFER_SIZE]; while ((len = in.read(buffer)) != -1) { out.write(buffer); } } out.flush(); } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { out.close(); in.close(); } } } |
| 随便看 |
|
在线学习网考试资料包含高考、自考、专升本考试、人事考试、公务员考试、大学生村官考试、特岗教师招聘考试、事业单位招聘考试、企业人才招聘、银行招聘、教师招聘、农村信用社招聘、各类资格证书考试等各类考试资料。