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ÀàÃû:Test.java ,×÷ÓÃ:¶Áȡһ¸öÎı¾ÎļþÖеķ±Ìå×Ö,È»ºóתΪunicode.

aa.txtÖеÄÄÚÈÝΪ:舉辦!

µ±ÎÒ°ÑÀàµÄText file encodingÉèÖÃgbkʱ,Ò»Çж¼ÄÜÕý³£ÏÔʾ,¿ÉÊÇÎÒÏÖÔÚÒª°ÑText file encodingÉèΪutf-8,´Ëʱ
ÎÄ×Ö±ä³ÉÁËÂÒÂë,unicodeÒ²²»ÊÇÎı¾ÖÐÎÄ×Ö¶ÔÓ¦µÄ±àÂëÁË,ÇëÎÊÔõô½â¾ö.ÎÒÊÔ×ÅÔÚ³ÌÐòÖÐתÂëÒ²²»ÐÐ,ÏÖÔÚ±ØÐëÓÃutf-8.

Java code:

import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.io.UnsupportedEncodingException;

public class Test {
public String readTxt(int off, int leng) {
RandomAccessFile r = null;
String str = "";
try {
r = new RandomAccessFile(new File("D:/aa.txt"), "r");
byte[] c = new byte[leng];
r.seek(off);
r.read(c);
str = new String(c);
} catch (Exception e) {
try {
r.close();
} catch (IOException e1) {
e1.printStackTrace();
}
e.printStackTrace();
}

return str;
}

private static String convert(String str) {
String tmp;
StringBuffer sb = new StringBuffer(1000);
char c;
int i, j;
sb.setLength(0);
for (i = 0; i < str.length(); i++) {
c = str.charAt(i


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