Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java¶ÁÈ¡mysqlÊý¾Ý¿âlatin1±ÜÃâÂÒÂë·½·¨

дÈëʱ£¬ÏÈ×öencode£º
public static String encode(String src) {
String result = null;
try {
result = new String(src.getBytes("gbk"), "ISO-8859-1");
} catch (UnsupportedEncodingException uee) {
System.err.println(uee);
}
return result;
}
¶Á³öʱ£¬ÔÙ×ödecode£º
public static String decode(String src) {
String result = null;
try {
result = new String(src.getBytes("ISO-8859-1"), "gbk");
} catch (UnsupportedEncodingException uee) {
System.err.println(uee);
}
return result;
}
Á¬½Óʱ²»ÐèÒªÖ¸¶¨×Ö·û¼¯


Ïà¹ØÎĵµ£º

JNAʵÏÖJavaµ÷ÓÃFortran

Ôڳɹ¦ÊµÏÖJavaµ÷ÓÃC++Ö®ºó£¬½ÓÏÂÀ´Ïëµ½ÄÜ·ñͨ¹ýJNAʵÏÖJavaµ÷ÓÃFortran£¬½ñÌìÊÔÑéÁËһϣ¬»¹ÊDZȽÏÈÝÒ׵ġ£
ÍøÉÏÓÐÒ»¸öJavaµ÷ÓÃF95µÄÀý×Ó£¬µ«ÊÇÎÒ¿¼ÂDz»½öҪʵÏÖF95µÄµ÷Ó㬻¹ÒªÊµÏÖF77µÄµ÷Óã¬ËùÒÔ·ÑÁËһЩÖÜÕÛ¡£
ÎÊÌâµÄ¹Ø¼üÔÚÓÚF77Ϊ¹ý³ÌÃû×Ô¶¯Ìí¼ÓÁËÒ»¸öβ²¿µÄÏ»®Ïߣ¬ËùÒÔsub1Õâ¸ö¹ý³Ì£¬µ½JavaÒ»¶Ë£¬¾Í±ä³ÉÁËsub1_£¬ ......

java³ÌÐòÔ±±í°×

ÎÒÄܳéÏó³öÕû¸öÊÀ½ç£¬µ«ÎÒ³éÏó²»³öÄ㣬ÒòΪÄãÔÚÎÒÐÄÀïÊÇÄǸöô¾ßÌ壬ËùÒÔÎÒµÄÊÀ½ç±äµÃ²¢²»ÍêÕû£¬
ÎÒ¿ÉÒÔÖØÔØÉõÖÁ¸²¸ÇÕâ¸öÊÀ½çÀïµÄÈκÎÒ»ÖÖ·½·¨£¬µ«ÊÇÎÒÈ´²»ÄÜÖØÔØ¶ÔÄãµÄ˼ÄҲÐíÃüÖÐ×¢¶¨ÁË£¬
ÄãÔÚÎÒµÄÊÀ½çÀïÓÀÔ¶µÄÀÓÉÏÁ˾²Ì¬µÄÊôÐÔ£¬¶øÎÒ²»É÷µ÷ÓÃÁ˰®ÄãÕâ¸ö·½·¨£¬µ±ÎÒÒåÎÞ·µ¹ËµÄ°Ñ×Ô¼º×÷Ϊ²ÎÊý´«½øÕâ¸ö·½·¨Ê±
ÎҲŷ¢ÏÖ ......

ÔÚOracleÖм¯³Éjava³ÌÐòµÄ¾­Ñé̸֮£¡

Õâ¶Îʱ¼äΪ¹«Ë¾ÄÚ²¿µÄÊý¾Ý´¦Àí¿ª·¢ÁËÒ»¸ö¹¤¾ß£¬Ç£Éæµ½ÔÚOracleÖм¯³ÉjavaÓ¦Óã¬×ܽáÁËһЩ¾­Ñ飬ÒÔ¹©´ó¼Ò²Î¿¼ÁË£¡
³ÌÐò·ÖÁ½²¿·Ö£¬Ç°¶Ë½çÃæÓÉVB/VC¿ª·¢£¬Ö÷ҪʵÏÖÊý¾Ý´¦ÀíÅäÖü°³£¹æ¼Ç¼ÔËË㣬Õⲿ·ÖûÓÐʲôºÃ˵µÄÁË¡£
ºǫ́ÒÔOracleΪÊý¾Ý»ù´¡´¦ÀíÍÐ¹ÜÆ½Ì¨£¬ÔÚÊý¾Ý´¦Àí¹ý³ÌÖУ¬ÐèÒª¶ÔһЩÃû³Æ¡¢µØÖ·Ê²Ã´µÄ½øÐÐÕªÒªÌáÈ¡¡¢² ......

MySQL grant Óï·¨µÄÏêϸ½âÎö

ÒÔϵÄÎÄÕÂÊÇMySQL grantÓï·¨µÄÏêϸ½âÎö£¬Èç¹ûÄã¶ÔMySQL grantÓï·¨µÄÏà¹ØµÄʵ¼Ê²Ù×÷ÓÐÐËȤµÄ»°£¬Äã¾Í¿ÉÒÔ¶ÔÒÔϵÄÎÄÕµã»÷¹Û¿´ÁË¡£ÎÒÃÇ´ó¼Ò¶¼ÖªµÀMySQLÊý¾Ý¿â¸³ÓèÓû§È¨ÏÞÃüÁîµÄ¼òµ¥¸ñʽ¿É¸ÅÀ¨Îª£º
grant ȨÏÞ on Êý¾Ý¿â¶ÔÏó to Óû§
Ò»¡¢grant ÆÕͨÊý¾ÝÓû§£¬²éѯ¡¢²åÈë¡¢¸üС¢É¾³ý Êý¾Ý¿âÖÐËùÓбíÊý¾ÝµÄȨÀû¡£
grant ......

MySQL replace into Ó÷¨


ÔÚÏò±íÖвåÈëÊý¾ÝµÄʱºò£¬¾­³£Óöµ½ÕâÑùµÄÇé¿ö£º1. Ê×ÏÈÅжÏÊý¾ÝÊÇ·ñ´æÔÚ£» 2. Èç¹û²»´æÔÚ£¬Ôò²åÈ룻3.Èç¹û´æÔÚ£¬Ôò¸üС£
ÔÚ SQL Server ÖпÉÒÔÕâÑù´¦Àí£º
if not exists (select 1 from t where id = 1) insert into t(id, update_time) values(1, getdate()) else update t set update_time = getdate() where id = ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ