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    隨筆-295  評論-26  文章-1  trackbacks-0

    import java.io.*;
    import java.net.*;
    public class Test {
    ??? public boolean saveUrlAs(String photoUrl, String fileName) {
    ??????? //此方法只能用于HTTP協(xié)議
    ??????? try {
    ??????????? URL url = new URL(photoUrl);
    ??????????? HttpURLConnection connection = (HttpURLConnection) url.
    ??????????????????? openConnection();
    ??????????? DataInputStream in = new DataInputStream(connection.getInputStream());
    ??????????? DataOutputStream out = new DataOutputStream(new FileOutputStream(fileName));
    ??????????? byte[] buffer = new byte[4096];
    ??????????? int count = 0;
    ??????????? while ((count = in.read(buffer)) > 0) {
    ??????????????? out.write(buffer, 0, count);
    ??????????? }
    ??????????? out.close();
    ??????????? in.close();
    ??????????? return true;
    ??????? } catch (Exception e) {
    ??????????? return false;
    ??????? }
    ??? }
    ???
    ??? public String getDocumentAt(String urlString) {
    ??????? //此方法兼容HTTP和FTP協(xié)議
    ??????? StringBuffer document = new StringBuffer();
    ??????? try {
    ??????????? URL url = new URL(urlString);
    ??????????? URLConnection conn = url.openConnection();
    ??????????? BufferedReader reader = new BufferedReader(new InputStreamReader(
    ??????????????????? conn.getInputStream()));
    ??????????? String line = null;
    ??????????? while ((line = reader.readLine()) != null) {
    ??????????????? document.append(line + "\n");
    ??????????? }
    ??????????? reader.close();
    ??????? }catch (MalformedURLException e) {
    ??????????? System.out.println("Unable to connect to URL: " + urlString);
    ??????? }catch (IOException e) {
    ??????????? System.out.println("IOException when connecting to URL: " +
    ??????????????????? urlString);
    ??????? }
    ??????? return document.toString();
    ??? }
    ???
    ??? public static void main(String[] args) throws IOException {
    ??????? Test test = new Test();
    ??????? String photoUrl = "??????? String fileName = photoUrl.substring(photoUrl.lastIndexOf("/"));
    ??????? String filePath = "c:";
    ??????? boolean flag = test.saveUrlAs(photoUrl, filePath + fileName);
    ??????? System.out.println("Run ok!\nGet URL file " + flag);
    ??? }
    }


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    大盤預(yù)測 國富論
    posted on 2007-08-21 11:30 華夢行 閱讀(925) 評論(0)  編輯  收藏

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