/**
?? *
?? * 解析文件，取出URL地址
?? *
?? */
?public static void regexStr(){
??String input="飛機但是??Pattern p = Pattern.compile("http://[*[a-zA-Z]|w{3}].*[a-zA-Z]");
??Matcher m = p.matcher(input);
??m.find();
??String str=m.group();
??????? System.out.print(str);
??
??
?}
/**
?* 根據URL，把網頁保存到本地
?* @param urlStr
?* @param filename
?* @return
?*/?
?public? static? boolean? getUrlToFileInputStream(String urlStr, String filename){
? ?
? ?DataInputStream dataInputStream=null;
? ?try{
? ??? URL url = new URL(urlStr);
?????????? URLConnection conn = url.openConnection();
?????????? dataInputStream = new DataInputStream(conn.getInputStream());
??????????
???? }catch(Exception e){
???? ?e.getMessage();
???
???? }
???? DataOutputStream dataoutputstream = null;
? ?if(dataInputStream !=null){
??? ???? try {
????dataoutputstream = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(filename)));
???
???byte b[] = new byte[1024*10];
???int len = 0;
???while ((len = dataInputStream.read(b, 0, 1024)) != -1) {
????dataoutputstream.write(b, 0, len);
???}

???dataoutputstream.flush();
??? ???? } catch (Exception e) {
????// TODO Auto-generated catch block
????e.printStackTrace();
???}
??????????? return true;
? ?}else{
? ??return false;
? ?}
????
????
? }