如何截取File文件里的内容啊
我最近在学做唐诗宋词这个小软件，而那些诗词都是从通过File文件将其导入进去，我想把File文件内的内容将其截取成每一首一首的诗，在进行截取它的诗歌名、作者名和诗句，这要如何截取啊
[最优解释]
private static int pos = 0;
/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
File mFile = new File("E:\\1.txt");
int fileSize = (int) mFile.length();
InputStream in = null ;
in = new FileInputStream(mFile) ;
byte[] bt = new byte[fileSize];
String title, author, text, note, trans;
in.read(bt);
title = getTitle(bt, fileSize);
author = getAuthor(bt, fileSize);
text = getText(bt, fileSize);
note = getNote(bt, fileSize);
trans = getTrans(bt, fileSize);
System.out.println("title: " + title);
System.out.println("author: " + author);
System.out.println("text: " + text);
System.out.println("note: " + note);
System.out.println("trans: " + trans);
}
private static String getTitle(byte[] bt, int fileSize)
{
String title = null, str = null;;
int titleStart = 0;
for(int i = pos; i < fileSize - 1; i += 2)
{
str = new String(bt, i, 2);
if(str.equals("《"))
{
titleStart = i + 2;
}
else if(str.equals("》"))
{
pos = i;
int titleLength = pos - titleStart;
byte[] titleBt = new byte[titleLength];
System.arraycopy(bt, titleStart, titleBt, 0, titleLength);
title = new String(titleBt);
break;
}
}
return title;
}
private static String getAuthor(byte[] bt, int fileSize)
{
String author = null, str = null;
int authorStart = 0;
authorStart = pos + 10;
for(int i = pos; i < fileSize - 1; i += 2)
{
str = new String(bt, i, 2);
if((authorStart != 0) && (i > authorStart)
&&(str.indexOf("\n") != -1))
{
pos = i;
int authorLength = pos - authorStart;
byte[] authorBt = new byte[authorLength];
System.arraycopy(bt, authorStart, authorBt, 0, authorLength);
author = new String(authorBt);
break;
}
}
return author;
}
private static String getText(byte[] bt, int fileSize)
{
String text = null, str = null;
int textStart = 0, textEnd = 0;
textStart = pos + 2;
for(int i = pos; i < fileSize - 1; i += 2)
{
str = new String(bt, i, 2);
if(str.equals("【"))
{
textEnd = i - 2;
int textLength = textEnd - textStart;
byte[] textBt = new byte[textLength];
System.arraycopy(bt, textStart, textBt, 0, textLength);
text = new String(textBt);
pos = i;
break;
}
}
return text;
}
private static String getNote(byte[] bt, int fileSize)
{
String note = null, str = null;
int noteStart = 0, noteEnd = 0;
noteStart = pos + 12;
for(int i = noteStart; i < fileSize - 1; i += 2)
{
str = new String(bt, i, 2);
if(str.equals("【"))
{
noteEnd = i - 2;
int noteLength = noteEnd - noteStart;
byte[] noteBt = new byte[noteLength];
System.arraycopy(bt, noteStart, noteBt, 0, noteLength);
note = new String(noteBt);
pos = i;
break;
}
}
return note;
}
private static String getTrans(byte[] bt, int fileSize)
{
String trans = null, str = null;
int transStart = 0, transEnd = 0;
transStart = pos + 12;
for(int i = transStart; i < fileSize - 1; i += 2)
{
str = new String(bt, i, 2);
if(str.equals("=="))
{
transEnd = i - 2;
int noteLength = transEnd - transStart;
byte[] noteBt = new byte[noteLength];
System.arraycopy(bt, transStart, noteBt, 0, noteLength);
trans = new String(noteBt);
pos = i;
break;
}
}
return trans;
}
[其他解释]
