使ç¨qqwry.datè¿è¡IPå°çä½ç½®æ¥è¯¢æ¶ï¼éå°ä¸ä¸ªé®é¢å³å¨æ¬å°æµè¯æ¶æ¥è¯¢çº¯çåºæ¶æ£å¸¸ï¼æ²¡æä»»ä½é®é¢ï¼ä½æ¯æå ä¼ å°æå¡å¨ä¸ä¾¿åºç°äºä¹±ç é®é¢ã
1.é¦å æé¤æå¡å¨çå符éç¼ç çå½±å
使ç¨å¦ä¸å½ä»¤éªè¯äºæ¬å°åæå¡å¨çç¼ç æ¯ä¸è´ç
[root@master ~]# echo $LANG
en_US.UTF-8
2.æ¥çqqwry.datåç°è¯¥æ件æ¯äºè¿å¶æ件ï¼æ件èªèº«ä¸åå¨ç¼ç çé®é¢
[root@master ~]# file -i qqwry.dat
qqwry.dat: application/octet-stream; charset=binary
3.ä»IPåºä¸è¯»å并encodingçæ¶çæ¶åä¼ä¸ä¼æé®é¢ï¼åç°åæ ·å¨æ¬å°é½æ¯æ¾ç¤ºæ£å¸¸ï¼ä½æ¯ä¼ å°æå¡å¨ä¸å ¨é½æ¯ä¹±ç ã
logger.info("utf-8"+new String(b, offset, len, "utf-8"));
logger.info("gbk"+new String(b, offset, len, "gbk"));
logger.info("gb2312"+new String(b, offset, len, "gb2312"));
4.å ¬å¸åè¾ï¼æç¹è¿·æ´¥ 让æææªç¼ç åçä¿¡æ¯æåºæ¥ï¼ææbyte[]æ°ç»éé¢çäºè¿å¶æ°æ®æå°åºæ¥
public static String getString(byte[] b, int offset, int len, String encoding) {
try {
String bts="";
for(int i=0;i<b.length;i++){
bts = bts+String.valueOf(b[i]);
}
logger.info("bytes [] "+bts);
return new String(b, offset, len, encoding);
} catch (UnsupportedEncodingException e) {
return new String(b, offset, len);
}
}
5. é®é¢åºæ¥äºï¼åä¸ä¸ªIPä»IPåºä¸è·åçbyteæ°ç»æ¯ä¸ä¸æ ·çï¼ï¼ï¼ãã
6. 为ä»ä¹è¯»ååºæ¥çä¿¡æ¯æ¯ä¸ä¸æ ·çï¼ä½¿ç¨md5sumæ¥çä¸ä¸æ件çmd5æ¯å¦ä¸è´ï¼åç°æ¬å°çqqwry.datçmd5å± ç¶åæå¡å¨ä¸çä¸ä¸è´ï¼
[root@master target]# md5sum qqwry.dat
8ad56a81343333406a78cfc81ad44cb7 qqwry.dat
[root@master target]# md5sum qqwry.dat
3c1db0363910a08a4cc2bbd81e1b0e14 qqwry.dat
7.å°æ¬å°qqwry.dat scpä¼ å°æå¡å¨ä¸,æ¯å¯ä»¥çã
8.æå ä¹åçæ件ä¸è¡ï¼ç´æ¥scpä¼ ä¸å»çæ¯æ£ç¡®çï¼é¾éæ¯æå çæ¶ååºéäºåï¼
åä¸æ¬¡æå ä¸ä¼ ï¼åç°ä¸ä» md5ä¸ä¸æ ·èä¸æ件大å°å·®è·ä¹å¾å¤§ï¼
[root@master target]# du -h qqwry.dat
8.9M qqwry.dat
[root@master target]# du -h qqwry.dat
16M qqwry.dat
9.ææ¦ï¼ä»ç»æ£æ¥äºä¸ä¸èªå·±maven项ç®qqwry.datæ¾å°äºresourcesç®å½ä¸ï¼çä¸åºæ¥ä»ä¹é®é¢ã
æ¥é èµæå¾ç¥ï¼æ¯å 为å¨mavenæå æ¶ï¼å¯¹äºäºè¿å¶ç±»åçæ件ï¼éè¦filterè¿æ»¤æä¸ç¶æ件ä¼éä¹±æï¼
ä¿®æ¹pom.xmlçé ç½®å 容ï¼éæ°æå ä¹ååç°æ件æ£å¸¸äºï¼åæºæ件ç大å°æ¯ä¸æ ·çäºï¼ä¸ä¼ ä¹åéæ°æµè¯ä¹æ¯okäºã
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.4.3</version>
<configuration>
<encoding>UTF-8</encoding>
<nonFilteredFileExtensions>
<nonFilteredFileExtension>dat</nonFilteredFileExtension>
</nonFilteredFileExtensions>
</configuration>
</plugin>
10.æ¥é å®ç½ç解éhttp://maven.apache.org/plugins/maven-resources-plugin/examples/filter.htmlï¼é常æäºï¼
æ»ç»ï¼
mavenæå æ¶å¦ææç¨å°äºè¿å¶ç±»åçèµæºæ件ï¼è®°å¾å¨pom.xmlä¸å°å ¶è¿æ»¤æï¼ä¸ç¶ç¼è¯æå å®æä¹å产ççæ件ä¼åæå åçä¸ä¸æ ·ããã