java¶ÁÎļþ
import java.io.*;
public class FileReaderSample {
public static void main(String args[]) throws IOException
{
// ½¨Á¢¿ÉÈÝÄÉ1024¸ö×Ö·ûµÄÊý×é
char data[]=new char[1024];
// ½¨Á¢¶ÔÏófr
FileReader fr=new FileReader("c:\\Java\\donkey.txt");
// ½«Êý¾Ý¶ÁÈë×Ö·ûÁбídataÄÚ
int num=fr.read(data);
// ½«×Ö·ûÁбíת»»³É×Ö·û´®
String str=new String(data,0,num);
// Êä³öÔÚ¿ØÖÆÌ¨
System.out.println("Characters read= "+num);
System.out.println(str);
fr.close();
}
}
ʾÀý¶þ£º
FileReader fr = null;
BufferedReader brd = null;
fr = new FileReader("c:\\h\\test.xml");
brd = new BufferedReader( fr );//×Ö·ûÁ÷ûÓÐÉèÖñàÂë¡£¡£¡£¡£¡£
while (brd.readLine() != null {
String fileline = brd.readLine();
out.println(fileline);
}
Ïà¹ØÎĵµ£º
ÄãÔø¾ÐèÒªÓ¦ÓÃÖ´ÐÐÒ»¸öÈÎÎñÂð£¿Õâ¸öÈÎÎñÿÌì»òÿÖÜÐÇÆÚ¶þÍíÉÏ11£º30£¬»òÐí½ö½öÿ¸öÔµÄ×îºóÒ»ÌìÖ´ÐС£Ò»¸ö×Ô¶¯Ö´ÐжøÎÞÐë¸ÉÔ¤µÄÈÎÎñÔÚÖ´Ðйý³ÌÖÐÈç ¹û·¢ÉúÒ»¸öÑÏÖØ´íÎó£¬Ó¦ÓÃÄܹ»Öªµ½ÆäÖ´ÐÐʧ°Ü²¢³¢ÊÔÖØÐÂÖ´ÐÐÂð£¿ÄãºÍÄãµÄÍŶÓÊÇÓÃjava±à³ÌÂð£¿Èç¹ûÕâЩÎÊÌâÖÐÈκÎÒ»¸öÄã»Ø´ðÊÇ£¬ÄÇôÄãÓ¦¸ÃʹÓà Quartzµ÷¶ÈÆ÷¡£
¡¡¡¡
¡¡¡¡ ......
String str = "ÖÐ";
String str1 = new String(str.getBytes("gbk"), "ISO8859-1");
String str2 = new String(str1.getBytes("ISO8859-1"), "gbk");
System.out.println(str2); //Êä³ö"ÖÐ" ......
¡¡¡¡ÔõôÈóÌÐòÀûÓÃËÑË÷ÒýÇæÀ´ËѼ¯ÍøÖ·£¬ÕâÓÐʲôÓÃ?ºÜÓÐÓÃ!ÍøÉ϶¯éüÓÐÈ˽ÐÂôÍøÖ·Êý¾Ý¿â£¬Èç·¢²¼Èí¼þÍøÖ·¡¢ÓʼþµØÖ·¡¢ÂÛÌ³ÍøÖ·¡¢ÐÐÒµÍøÖ·£¬ÕâÐ©ÍøÖ·ÊÇÔõôÀ´µÄÄØ?²»¿ÉÄÜÊÇÈËÊÖ¹¤ÊÕ¼¯¶øÀ´µÄ£¬¶¼ÊÇÈóÌÐòÀûÓÃËÑË÷ÒýÇæÈ¡µ½µÄ£¬Èç¹ûÄúÐèҪijÀàÍøÖ·ÐÅÏ¢Êý¾Ý£¬¾Í¸ú³É¶¼ÀÊÎÖ½ÌÓýÀ´Ò»ÆðÑо¿Ò»Ï£¬·Ç³£¼òµ¥¡£
¡¡¡¡±¾ÎIJÉÓÃJavaÓïÑÔÐ ......
ÔÚĿǰµÄ¹ØÓÚjava×ÔѧµÄÌÖÂÛÖУ¬×î¾³£¿´µ½µÄ¾ÍÊÇ×êÑС¶Thinking in java¡·(TIJ)µÄ¾Ñ飬µ«ÊÇ£¬¾¡¹ÜʹÓÃTIJ×÷Ϊ½Ìѧ²ÄÁϵĽÌѧÐÐΪҲºÜ¶à£¬ÎÒÈ´ÉÐδ·¢ÏÖÓдӽÌʦ¹ØÓÚÈçºÎ½«TIJÓÃÓÚ½ÌѧµÄÂÛÊö¡£Îª´Ë£¬ÎÒȨ×÷Å×שÒýÓñ¡£
Ê×ÏÈ£¬ÎªÊ²Ã´ÒªÑ§Ï°java£¿°´ÕÕEckelµÄ»°Ëµ£¬ ......
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.logging.Logger; ......