JavaÓïÑÔÈçºÎ·ÃÎʲ»Í¬×Ö·û¼¯µÄOracleÊý¾Ý
Ò»¡¢java·ÃÎÊÖÐÎÄOracleÊý¾Ý¿âÉÏÁ¬½ÓµÄUS7ASCIIÊý¾Ý¿â
1¡¢¶Á·½·¨
public String convertLink_DB(String s) {
if(s != null){
try{
byte[] b = s.getBytes();
for(int i=0; i<b.length; i++){
b[i] = (byte)(b[i]-128);
}
return new String(b, "gb2312");
}catch(Exception e){
e.printStackTrace();
return "";
}
}
return "";
}
2¡¢Ð´·½·¨
public String convertLink_DB(String s) {
if(s != null){
try{
byte[] b = s.getBytes();
for(int i=0; i<b.length; i++){
b[i] = (byte)(b[i]+128);
}
return new String(b, "gb2312");
}catch(Exception e){
e.printStackTrace();
return "";
}
}
return "";
}
Ò»¡¢java·ÃÎÊÓ¢ÎÄOracleÊý¾Ý¿â
1¡¢¶Á
new String(s, "gb2312");
2¡¢Ð´
new String(s, "8859-1");
Ïà¹ØÎĵµ£º
Java²»ÊÇÍêÃÀµÄ£¬JavaµÄ²»×ã³ýÁËÌåÏÖÔÚÔËÐÐËÙ¶ÈÉÏÒª±È´«Í³µÄC++ÂýÐí¶àÖ®Í⣬JavaÎÞ·¨Ö±½Ó·ÃÎʵ½²Ù×÷ϵͳµ×²ã£¨ÈçϵͳӲ¼þµÈ)£¬Îª´ËJavaʹÓÃnative·½·¨À´À©Õ¹Java³ÌÐòµÄ¹¦ÄÜ¡£
¡¡¡¡¿ÉÒÔ½«native·½·¨±È×÷Java³ÌÐòͬ£Ã³ÌÐòµÄ½Ó¿Ú£¬ÆäʵÏÖ²½Ö裺
¡¡¡¡£±¡¢ÔÚJavaÖÐÉùÃ÷native()·½·¨£¬È»ºó±àÒ룻
¡¡¡¡£²¡¢ÓÃjavah²úÉúÒ»¸ö.hÎ ......
ת×ÔInfoq
http://www.infoq.com/cn/news/2007/09/java_web_architecture_turnning
һλIDÊÇjackson1225µÄÍøÓÑÔÚJavaEyeѯÎÊÁËÒ»¸ö´óÐÍWebϵͳµÄ¼Ü¹¹ºÍ²¿ÊðÑ¡ÐÍÎÊÌ⣬ϣÍûÄÜÌá¸ßÏÖÓеĻùÓÚJavaµÄWebÓ¦ÓõķþÎñÄÜÁ¦¡£ÓÉÓڼܹ¹Ä£Ê½ºÍ²¿Êðµ÷ÓÅÒ»Ö±ÊÇJavaÉçÇøµÄÈÈÃÅ»°Ì⣬Õâ¸öÎÊÌâÒý·¢Á˺ܶàÈÈÐÄÍøÓѵÄÌÖÂÛ£¬ÆäÖÐһЩÒâ¼û¶ÔÆä ......
Java´®¿ÚͨѶ
´®ÐÐͨѶÐÒéÓкܶàÖÖ£¬ÏñRS232£¬RS485£¬RS422£¬ÉõÖÁÏÖ½ñÁ÷ÐеÄUSBµÈ¶¼ÊÇ´®ÐÐͨѶÐÒé¡£¶ø´®ÐÐͨѶ¼¼ÊõµÄÓ¦ÓÃÎÞ´¦²»ÔÚ¡£¿ÉÄÜ´ó¼Ò¼ûµÄ×î¶à¾ÍÊǵçÄԵĴ®¿ÚÓëModemµÄͨѶ¡£¼ÇµÃÔÚPC»ú¸Õ¿ªÊ¼ÔÚÖйúÁ÷ÐÐÆðÀ´Ê±(´óÔ¼ÊÇÔÚ90Äê´úǰÎåÄê)£¬ÄÇʱÉõÖÁÓÐÈËÓÃÒ»Ìõ´®ÐÐÏß½øÐÐÁ½Ì¨µçÄÔÖ®¼äµÄÊý ......