javaÕýÔò±í´ïʽȥµôÆ¥Åä¿Õ¸ñ¿ÕÐÐ
java µÄÈ¥µô¿Õ¸ñ¿ÕÐеÄÀý×Ó£º
String so = "haolong, hei eip, "
+"ting, " +
" oo|,"
+" ";
System.out.println(so.length());
// so.replaceAll("(\n|\r\n)\\s*", ""); ²âÊÔÊDz»¿ÉÒÔ
//[\s\p{Zs}]Õâ¸ö¿ÉÒÔ£¬ÒªÍ¬Ê±Æ¥Åä \s ÒÔ¼°¸÷ÖÖÆäËûµÄ¿Õ°××Ö·û£¨°üÀ¨È«½Ç¿Õ¸ñµÈ£©£¬¿ÉÒÔʹÓÃ
Pattern pattern = Pattern.compile("[\\s\\p{Zs}]");
Matcher re = pattern.matcher(so);
so=re.replaceAll("");
// so.replace("(\\r\\n)+|\\n+|\\s+","");²âÊÔÊDz»¿ÉÒÔ
// so.replaceAll("(\n|\r\n)\\s*", "");²âÊÔÊDz»¿ÉÒÔ
// so.replaceAll("(\n|\r\n)\\s+", "$1");²âÊÔÊDz»¿ÉÒÔ
System.out.println(so.length());
System.out.println(so);
"\s"Æ¥ÅäµÄÊÇÄÄÒ»ÖÖ¿Õ¸ñ?
\sÆ¥ÅäÈÎÒâµÄ¿Õ°×·û£¬°üÀ¨¿Õ¸ñ£¬ÖƱí·û(Tab)£¬»»Ðзû£¬ÖÐÎÄÈ«½Ç¿Õ¸ñ
\s ¿Õ°××Ö·û£º[ \t\n\x0B\f\r] //Õâ¸öÊÇÖØµã£¡
\t ÖÆ±í·û ('\u0009')
\n ÐÂÐУ¨»»ÐУ©·û ('\u000A')
\r »Ø³µ·û ('\u000D')
\f »»Ò³·û ('\u000C')
\a ±¨¾¯ (bell) ·û ('\u0007')
\e תÒå·û ('\u001B')
\cx ¶ÔÓ¦ÓÚ x µÄ¿ØÖÆ·û
\s ²¢²»ÄÜÆ¥ÅäÖÐÎÄÈ«½Ç¿Õ¸ñ¡£
\s
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 ......
½Ó¿ÚºÍ³éÏóÀàÊÇjavaÖÐ×îÖØÒªµÄ2¸öÌØÕ÷£¬ÔÚ±¾ÊéÖÐдµ½Á˾ßÌåµÄÓ¦Ó㬿´ÁËʹÎÒ»ÐÈ»´óÎò¡£
ÔÚ½Ó¿ÚÖУ¬ËùÓеķ½·¨¶¼ÊÇpublic µ±È»ÔÚ½Ó¿ÚÖÐÒ²¿ÉÒÔÓÐpublic static finalÊôÐÔ
ΪʲôʹÓýӿڣº
1½Ó¿ÚÊǶԿɲåÈëÐԵı£Ö¤
¶Ô¼Ì³ÐµÄ×ÓÀàÓÐÓ°Ï죬¶Ô³¬ÀàûÓÐÓ°Ï죬¼õÉÙñîºÏ¶È
2½Ó¿Ú£¨ÒÔ¼°³éÏóÀࣩÓÃÀ´ÉùÃ÷Ò»¸öÐ嵀 ......
´ó¼ÒÔÚÈ¥²Î¼ÓÃæÊÔµÄʱºò£¬¾³£»áÓöµ½ÕâÑùµÄ¿¼Ì⣺¸øÄãÁ½¸öÀàµÄ´úÂ룬ËüÃÇÖ®¼äÊǼ̳еÄ
¹ØÏµ£¬Ã¿¸öÀàÀïÖ»Óй¹ÔìÆ÷·½·¨ºÍһЩ±äÁ¿£¬¹¹ÔìÆ÷Àï¿ÉÄÜ»¹ÓÐÒ»¶Î´úÂë¶Ô±äÁ¿Öµ½øÐÐÁËij
ÖÖÔËË㣬ÁíÍ⻹ÓÐһЩ½«±äÁ¿ÖµÊä³öµ½¿ØÖÆÌ¨µÄ´úÂ룬ȻºóÈÃÎÒÃÇÅжÏÊä³öµÄ½á¹û¡£Õâʵ¼Ê
ÉÏÊÇÔÚ¿¼²éÎÒÃǶÔÓڼ̳ÐÇé¿öÏÂÀàµÄ³õʼ»¯Ë³ÐòµÄÁ˽⡣
ÎÒ ......
µÚÒ»½×¶Î£ºJAVA»ù´¡ÔöÇ¿/Oracle+MySqlÊý¾Ý¿â+JDBC¿ª·¢¼¼Êõ+DAO·â×°
ºËÐļ¼Êõ¿Î³Ì
java»ù´¡¼ÓÇ¿£ºÔöÇ¿forÑ»·¡¢¿É±ä²ÎÊý¡¢Ã¶¾Ù¡¢·´Éä¡¢ÄÚÊ¡¡¢beanutils¹¤¾ß¡¢×¢½â¡¢·ºÐÍ¡¢Àà¼ÓÔØ¡¢´úÀí¡¢×°Ïä/²ðÏä¡¢¾²Ì¬ÒýÓõÈJavaм¼ÊõºÍ¸ß¼¶¼¼Êõ¡£
OracleºÍMySqlÊý¾Ý¿â£ºOracleºÍMySqlÊý¾Ý¿â»ù´¡¹ÜÀí¡¢SQL ÓïÑÔ¡¢PL/SQLÓïÑÔ¡¢Êý¾Ý¿âÉ ......
ÕâÊÇһƪ¹ØÓÚ±àÂëµÄÎÄÕÂдµÄºÜºÃ!
ÊÀ½çÉϵĸ÷µØÇø¶¼Óб¾µØµÄÓïÑÔ¡£µØÇø²îÒìÖ±½Óµ¼ÖÂÁËÓïÑÔ»·¾³µÄ²îÒì¡£ÔÚ¿ª·¢Ò»¸ö¹ú¼Ê»¯³ÌÐòµÄ¹ý³ÌÖУ¬´¦ÀíÓïÑÔÎÊÌâ¾ÍÏԵúÜÖØÒªÁË¡£
¡¡¡¡ÕâÊÇÒ»¸öÊÀ½ç·¶Î§ÄÚ¶¼´æÔÚµÄÎÊÌ⣬ËùÒÔ£¬JavaÌṩÁËÊÀ½çÐԵĽâ¾ö·½·¨¡£±¾ÎÄÃèÊöµÄ·½·¨ÊÇÓÃÓÚ´¦ÀíÖÐÎĵ쬵«ÊÇ£¬Íƶø¹ãÖ®£¬¶ÔÓÚ´¦À ......