ÀûÓÃJavaʵÏÖѹËõÓë½âѹËõ£¨zip¡¢gzip£©Ö§³ÖÖÐÎÄ·¾¶
¹Ø¼ü×Ö: zip gzip
zip°çÑÝ׏鵵ºÍѹËõÁ½¸ö½ÇÉ«£»gzip²¢²»½«Îļþ¹éµµ£¬½öÖ»ÊǶԵ¥¸öÎļþ½øÐÐѹËõ£¬ËùÒÔ£¬ÔÚUNIXƽ̨ÉÏ£¬ÃüÁîtarͨ³£ÓÃÀ´´´½¨Ò»¸öµµ°¸Îļþ£¬È»ºóÃüÁîgzipÀ´½«µµ°¸ÎļþѹËõ¡£
Java
I/OÀà¿â»¹ÊÕ¼ÁËһЩÄܶÁдѹËõ¸ñʽÁ÷µÄÀà¡£ÒªÏëÌṩѹËõ¹¦ÄÜ£¬Ö»Òª°ÑËüÃǰüÔÚÒÑÓеÄI/OÀàµÄÍâÃæ¾ÍÐÐÁË¡£ÕâЩÀ಻ÊÇReaderºÍWriter£¬¶øÊÇInputStreamºÍOutStreamputµÄ×ÓÀà¡£ÕâÊÇÒòΪѹËõËã·¨ÊÇÕë¶Ôbyte¶ø²»ÊÇ×Ö·ûµÄ¡£
Ïà¹ØÀàÓë½Ó¿Ú£º
Checksum
½Ó¿Ú£º±»ÀàAdler32ºÍCRC32ʵÏֵĽӿÚ
Adler32
£ºÊ¹ÓÃAlder32Ëã·¨À´¼ÆËãChecksumÊýÄ¿
CRC32
£ºÊ¹ÓÃCRC32Ëã·¨À´¼ÆËãChecksumÊýÄ¿
CheckedInputStream
£ºInputStreamÅÉÉúÀ࣬¿ÉµÃµ½ÊäÈëÁ÷µÄУÑéºÍChecksum£¬ÓÃÓÚУÑéÊý¾ÝµÄÍêÕûÐÔ
CheckedOutputStream
£ºOutputStreamÅÉÉúÀ࣬¿ÉµÃµ½Êä³öÁ÷µÄУÑéºÍChecksum£¬
ÓÃÓÚУÑéÊý¾ÝµÄÍêÕûÐÔ
DeflaterOutputStream
£ºÑ¹ËõÀàµÄ»ùÀà¡£
ZipOutputStream
£ºDeflaterOutputStreamµÄÒ»¸ö×ÓÀ࣬°ÑÊý¾ÝѹËõ³ÉZipÎļþ¸ñʽ¡£
GZIPOutputStream
£ºDeflaterOutputStreamµÄÒ»¸ö×ÓÀ࣬°ÑÊý¾ÝѹËõ³ÉGZipÎļþ¸ñʽ
InflaterInputStream
£º½âѹËõÀàµÄ»ùÀà
ZipInputStream
£ºInflaterInputStreamµÄÒ»¸ö×ÓÀ࣬ÄܽâѹËõZip¸ñʽµÄÊý¾Ý
GZIPInputStream
£ºInflaterInputStreamµÄÒ»¸ö×ÓÀ࣬ÄܽâѹËõZip¸ñʽµÄÊý¾Ý
ZipEntry
Àࣺ±íʾ ZIP
ÎļþÌõÄ¿
ZipFile
Àࣺ´ËÀàÓÃÓÚ´Ó ZIP Îļþ¶ÁÈ¡ÌõÄ¿
ÓÃGZIP½øÐжԵ¥¸öÎļþѹËõ
GZIPµÄ½Ó¿Ú±È½Ï¼òµ¥£¬Òò´ËÈç¹ûÄãÖ»Ðè¶ÔÒ»¸öÁ÷½øÐÐѹËõµÄ»°£¬¿ÉÒÔʹÓÃËü¡£µ±È»Ëü¿ÉÒÔѹËõ×Ö·ûÁ÷£¬Óë¿ÉÒÔѹËõ×Ö½ÚÁ÷£¬ÏÂÃæÊÇÒ»¸ö¶ÔGBK±àÂë¸ñʽµÄÎı¾Îļþ½øÐÐѹËõµÄ¡£
ѹËõÀàµÄÓ÷¨·Ç³£¼òµ¥£»Ö»ÒªÓÃGZIPOutputStream
»òZipOutputStream°ÑÊä³öÁ÷°üÆðÀ´£¬ÔÙÓÃGZIPInputStream
»òZipInputStream°ÑÊäÈëÁ÷°üÆðÀ´¾ÍÐÐÁË¡£Ê£ÏµĶ¼ÊÇЩÆÕͨµÄI/O²Ù×÷¡£
Java´úÂë
import
java.io.BufferedOutputStream;
import
java.io.BufferedReader;
import
java.io.FileInputStream;
import
java.io.FileOutputStream;
import
java.io.IOException;
import
java.io.InputStreamReader;
import
java.util.zip.GZIPInputStream;
import
&n
Ïà¹ØÎĵµ£º
ListµÄÓ÷¨
List°üÀ¨List½Ó¿ÚÒÔ¼°List½Ó¿ÚµÄËùÓÐʵÏÖÀà¡£ÒòΪList½Ó¿ÚʵÏÖÁËCollection½Ó¿Ú£¬ËùÒÔList½Ó¿ÚÓµÓÐCollection½Ó¿ÚÌṩµÄËùÓг£Ó÷½·¨£¬ÓÖÒòΪListÊÇÁбíÀàÐÍ£¬ËùÒÔList½Ó¿Ú»¹ÌṩÁËһЩÊʺÏÓÚ×ÔÉíµÄ³£Ó÷½·¨£¬Èç±í1Ëùʾ¡£
±í1 List½Ó¿Ú¶¨ÒåµÄ³£Ó÷½·¨¼°¹¦ÄÜ
´Ó±í1¿ÉÒÔ¿´³ö£¬List½Ó¿ÚÌṩµÄÊʺÏÓÚ×ÔÉíµÄ ......
Java5ÖÐÌṩÁËеÄ×¢ÊÍ£¨Annotation£©£¬Äܹ»ÎªÀàÌṩ¶îÍâÐÅÏ¢£¬±¾ÎĽéÉÜÁËÈçºÎ¶¨Òå×¢ÊÍ¡¢ÈçºÎʹÓÃ×¢ÊͺÍÈçºÎ½âÎö×¢ÊÍ¡£
1¡¢¶¨Òå×¢ÊÍ
package ch5;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Ta ......
public class Demo
{
static int i=1;
static
{
i++;
}
public Demo()
{
......
³é¿Õ¸´Ï°ÁËÏÂÕýÔò±í´ïʽµÄÓ÷¨£¬ºÜ¶àǰÁ½¸öÔÂѧЩµÄ¶«Î÷£¬ÏÖÔÚ¶¼ÊÖÉúÁË£¬Ö»Óв»¶ÏµÄ¸´Ï°²ÅÄÜ×öµ½ÕÆÎÕ£¡
½ñÌ쿪ʼ½²Êý¾Ý¿âÁË£¬MYSQL£¬È»ºóÂíÉϾͻῪʼ½Ó´¥¿ò¼Ü····¹þ¹þ£¬ÒªÕæµÄ¿ªÊ¼×öÏîÄ¿ÁË
¼¤¶¯¹þ¡£¡£¡£¡£
ÕýÔò±í´ïʽÊÇ´ÓJDK1.5Ö®ºóÍÆ³öµÄ¼ò»¯×Ö·û´®²Ù×÷µÄ£¬ÓÃÌØÊâµÄ·ûºÅ´ú±í¶Ô×Ö·û´®µÄÔËÓ ......
ÔÎÄÁ´½Ó£ºhttp://badwing.javaeye.com/blog/674263
ÎÄÕ·ÖÀà:Java±à³Ì
ºÃ¶àÅóÓÑÓùýWindowsµÄÈÎÎñ¼Æ»®£¬Ò²Óв»ÉÙ³ÌÐòÃÔ×Ô¼ºÔøÐ´¹ýʱÖÓ±¨¾¯¡¢ÏµÍ³×Ô¶¯¹Ø»úµÈȤζ³ÌÐò£¬¿ÉÈ´ºÜÉÙÓÐÅóÓÑÔÚWeb¹¤³ÌÖÐʵÏÖ¹ýÀàËÆ¹¦ÄÜ¡£
µ±Web¹¤³ÌÆô¶¯Ê±£¬¶¨Ê±Æ÷ÄÜ×Ô¶¯¿ªÊ¼¼ÆÊ±£¬ÔÚÕû¸öWeb¹¤³ÌµÄÉúÃüÆÚÀ¶¨Ê±Æ÷ÄÜÔÚÿÍíÉîÒ¹´¥·¢Ò»´ÎÈ ......