]]>
涓銆佷富棰橈細(xì)鍏充簬JAVA鐨勪腑鏂囬棶棰?
JAVA鐨勪腑鏂囬棶棰樻瘮杈冪獊鍑猴紝涓昏琛ㄧ幇鍦ㄦ帶鍒墮潰鏉胯緭鍑猴紝JSP欏甸潰杈撳嚭鍜屾暟鎹簱璁塊棶涓娿傛湰鏂囧敖閲忛伩寮瀛椾綋闂錛岃屽彧璋堢紪鐮併傞氳繃鏈枃錛屼綘鍙互浜嗚ВJAVA涓枃闂鐨勭敱鏉ワ紝闂鐨勮В鍐蟲柟娉曪紝鍏朵腑鎻愪簡涓涓嬬敤JDBC璁塊棶鏁版嵁搴撶殑鏂規(guī)硶銆?
浜屻侀棶棰樻弿榪幫細(xì)
1錛夊湪涓枃W2000涓枃紿楀彛緙栬瘧鍜岃繍琛岋紝鐢ㄧ殑鏄浗闄呯増鐨凧DK錛岃繛鎺ョ殑鏄腑鏂嘩2000涓嬬殑Cp936緙栫爜鐨凷QL SERVER鏁版嵁搴擄細(xì)
J:\exercise\demo\encode\HelloWorld>make
Created by XCompiler. PhiloSoft All Rights Reserved.
Wed May 30 02:54:45 CST 2001
J:\exercise\demo\encode\HelloWorld>run
Created by XRunner. PhiloSoft All Rights Reserved.
Wed May 30 02:51:33 CST 2001
涓枃
[B@7bc8b569
[B@7b08b569
[B@7860b569
涓枃
涓枃
????
涓枃
涓枃
????
??
??
??
2錛夊鏋滃湪涓枃W2000鐨勮タ鏂囩獥鍙ｏ紙緙栫爜涓?37錛変笅緙栬瘧錛岀敤JAVA榪愯鍒欑敱浜庢棤瀛椾綋鑰屾棤娉曟甯告樉紺猴紝濡傛灉璞′笂闈竴鏍峰湪涓枃W2000鐨勪腑鏂囩獥鍙ｈ繍琛岋紝杈撳嚭涓猴細(xì)
J:\exercise\demo\encode\HelloWorld>run
Created by XRunner. PhiloSoft All Rights Reserved.
Wed May 30 02:51:33 CST 2001
????
[B@7bc0b66a
[B@7b04b66a
[B@7818b66a
????
????
????
????
????
????
涓枃
涓枃
????
涓夛級鍒嗘瀽
1錛夊嚭鐜版湁涔辯爜錛堜篃灝辨槸錛燂級銆傜敱浜庡彧鍑虹幇錛熻屾病鍑虹幇灝忔柟妗嗭紝璇存槑鍙槸緙栫爜鏈夐棶棰橈紝鑰屼笉鏄瓧浣撻棶棰樸? 鍦ㄧ紪鐮佷腑錛屽鏋滀粠涓縐嶅瓧絎﹂泦杞崲鍒板埆涓縐嶅瓧絎﹂泦錛屾瘮杈冨吀鍨嬬殑鏄粠GB2312杞崲鍒癐SO8859_1錛堝嵆ASCII錛夛紝閭ｄ箞寰堝姹夊瓧錛堝崐涓眽瀛楋級鏄棤娉曟槧灝勫埌瑗挎枃瀛楃涓幓鐨勶紝鍦ㄨ繖縐嶆儏褰笅錛岀郴緇熷氨鎶婅繖浜涘瓧絎︾敤錛熶唬鏇褲傚悓鏍鳳紝涔熷瓨鍦ㄥ皬瀛楃闆嗘棤娉曞埌澶у瓧絎﹂泦鐨勬儏鍐碉紝鍏蜂綋鍘熷洜榪欓噷灝變笉璇﹁皥浜嗐?
2錛夊嚭鐜頒簡涓枃鐜緙栬瘧錛屼腑鏂囩幆澧冭繍琛屾椂姹夊瓧鏄劇ず鏈夋紜篃鏈変笉姝ｇ‘鐨勫湴鏂癸紝鍚屾牱錛屽湪瑗挎枃鐜涓嬬紪璇戯紝鍦ㄤ腑鏂囩幆澧冧笅榪愯鏃朵篃鍑虹幇綾諱技鎯呭喌銆傝繖鏄敱浜庤嚜鍔紙榛樿錛夋垨鎵嬪伐錛堜篃灝眓ew String(bytes[,encode])鍜宐ytes getBytes([encode])錛夎漿鐮佺殑緇撴灉銆?
2.1錛夊湪JAVA婧愭枃浠?->JAVAC-->Class-->Java-->getBytes()-->new String()-->鏄劇ず鐨勮繃紼嬩腑錛屾瘡涓姝ラ兘鏈夌紪鐮佺殑杞崲榪囩▼錛岃繖涓繃紼嬫繪槸瀛樺湪鐨勶紝鍙槸鏈夌殑鏃跺欑敤榛樿鐨勫弬鏁拌繘琛屻備笅闈㈡垜浠竴姝ヤ竴姝ュ垎鏋愪負(fù)浠涔堝嚭鐜頒笂闈㈢殑鎯呭艦銆?
2.2錛夎繖閲屾槸婧愪唬鐮侊細(xì)
HelloWorld.java:
------------------------
public class HelloWorld
{
public static void main(String[] argv){
try{
System.out.println("涓枃");//1
System.out.println("涓枃".getBytes());//2
System.out.println("涓枃".getBytes("GB2312"));//3
System.out.println("涓枃".getBytes("ISO8859_1"));//4
System.out.println(new String("涓枃".getBytes()));//5
System.out.println(new String("涓枃".getBytes(),"GB2312"));//6
System.out.println(new String("涓枃".getBytes(),"ISO8859_1"));//7
System.out.println(new String("涓枃".getBytes("GB2312")));//8
System.out.println(new String("涓枃".getBytes("GB2312"),"GB2312"));//9
System.out.println(new
String("涓枃".getBytes("GB2312"),"ISO8859_1"));//10
System.out.println(new String("涓枃".getBytes("ISO8859_1")));//11
System.out.println(new
String("涓枃".getBytes("ISO8859_1"),"GB2312"));//12
System.out.println(new
String("涓枃".getBytes("ISO8859_1"),"ISO8859_1"));//13
}
catch(Exception e){
e.printStackTrace();
}
}
}
涓轟簡鏂逛究璧瘋錛屽湪姣忎釜杞崲鐨勫悗闈㈠姞浜嗘搷浣滃簭鍙鳳紝鍒嗗埆涓?,2,...,13銆?
2.3錛夐渶瑕佽鏄庣殑鏄紝JAVAC鏄互緋葷粺榛樿緙栫爜璇誨叆婧愭枃浠訛紝鐒跺悗鎸塙NICODE榪涜緙栫爜鐨勩傚湪JAVA榪愯鐨勬椂鍊欙紝JAVA涔熸槸閲囩敤UNICODE緙栫爜鐨勶紝騫朵笖榛樿杈撳叆鍜岃緭鍑虹殑閮芥槸鎿嶄綔緋葷粺鐨勯粯璁ょ紪鐮侊紝涔熷氨鏄鍦╪ew String(bytes[,encode])涓紝緋葷粺璁や負(fù)杈撳叆鐨勬槸緙栫爜涓篹ncode鐨勫瓧鑺傛祦錛屾崲鍙ヨ瘽璇達(dá)紝濡傛灉鎸塭ncode鏉ョ炕璇慴ytes鎵嶈兘寰楀埌姝ｇ‘鐨勭粨鏋滐紝榪欎釜緇撴灉鏈鍚庤鍦↗AVA涓繚瀛橈紝瀹冭繕鏄浠庤繖涓猠ncode杞崲鎴怳nicode錛屼篃灝辨槸璇存湁bytes-->encode瀛楃-->Unicode瀛楃鐨勮漿鎹紱鑰屽湪String.getBytes([encode])涓紝緋葷粺瑕佸仛涓涓猆nicode瀛楃-->encode瀛楃-->bytes鐨勮漿鎹€?
鍦ㄨ繖涓緥瀛愪腑錛岄櫎閭ｄ釜鑻辨枃紿楀彛緙栫爜鐨勬椂鍊欓櫎澶栵紝鍏跺疄鎯呭艦涓嬮粯璁ょ紪鐮侀兘鏄疓BK錛堝湪鏈緥涓紝鎴戜滑鏆備笖鎶奊BK鍜孏B2312絳夊悓鐪嬪緟錛夈?
2.4錛夌敱浜庡湪鏈寚鏄庡湪涓婇潰鐨勪袱涓敤浠ｇ爜瀹炵幇鐨勮漿鎹腑錛屽鏋滄湭鎸囧畾encode錛岀郴緇熷皢閲囩敤榛樿鐨勭紪鐮侊紙榪欓噷涓篏BK錛夛紝鎴戜滑璁や負(fù)涓婇潰鐨?,6,7鍜?,9,10鏄竴鏍風(fēng)殑錛?鍜?銆?1鍜?2涔熸槸涓鏍風(fēng)殑錛屾墍浠ユ垜浠湪璁ㄨ涓皢鍙璁?,9,10,12,13銆傚叾涓殑2,3,4鍙槸鐢ㄤ簬嫻嬭瘯錛屼笉鍦ㄦ垜浠殑璁ㄨ鑼冨洿涔嬪唴銆?
2.5錛変笅闈㈡垜浠潵璺熻釜紼嬪簭涓殑鈥滀腑鈥濆瓧鐨勮漿鎹㈠巻紼嬶紝鎴戜滑鍏堣鍦ㄤ腑鏂囩獥鍙ｄ笅浣滅殑緙栬瘧鍜岃繍琛岃繃紼嬶紝娉ㄦ剰鍦ㄤ笅闈㈢殑瀛楁瘝涓嬫爣涓紝鎴戞湁鎰忚瘑鍦頒嬌鐢ㄤ簡涓浜涙暟瀛楋紝浠ヨ〃紺虹浉鍚岋紝鐩稿紓榪樻槸鐩稿叧2.5.1)鎴戜滑鍏堜互涓婇潰鐨?3涓唬鐮佹涓殑鐨勪唬鐮?涓轟緥錛?
姝ラ 鍐呭 鍦扮偣 璇存槑
01錛?C1 HelloWorld.java C1娉涙寚涓涓狦BK瀛楃
02錛?U1 JAVAC璇誨彇 U1娉涙寚涓涓猆nicode瀛楃
03錛?C1 getBytes()絎竴姝?JAVA鍏堝拰鎿嶄綔緋葷粺浜ゆ祦
04錛?B1,B2 getBytes()絎簩姝?鐒跺悗榪斿洖瀛楄妭鏁扮粍
05錛?C1 new String()絎竴姝?JAVA鍏堝拰鎿嶄綔緋葷粺浜ゆ祦
06錛?U1 new String()絎簩姝?鐒跺悗榪斿洖瀛楃
07錛?C1 println(String) 鑳芥樉紺衡滀腑鈥濆瓧錛屽唴瀹瑰拰鍘熸潵鐨勭浉鍚?
2.5.2錛夌劧鍚庡啀浠ヤ唬鐮佹10涓轟緥錛屾垜浠敞鎰忓埌鍙槸錛?
姝ラ 鍐呭 鍦扮偣 璇存槑
01錛?C1 HelloWorld.java C1娉涙寚涓涓狦BK瀛楃
02錛?U1 JAVAC璇誨彇 U1娉涙寚涓涓猆nicode瀛楃
03錛?C1 getBytes()絎竴姝?JAVA鍏堝拰鎿嶄綔緋葷粺浜ゆ祦
04錛?B1,B2 getBytes()絎簩姝?鐒跺悗榪斿洖瀛楄妭鏁扮粍
05錛?C3,C4 new String()絎竴姝?JAVA鍏堝拰鎿嶄綔緋葷粺浜ゆ祦錛岃繖鏃惰В鏋愰敊璇?
06錛?U5,U6 new String()絎簩姝?鐒跺悗榪斿洖瀛楃
07錛? C3,C4 println(String) 鐢變簬涓瓧緇欏垎鎴愪簡涓ゅ崐錛屽湪ISO8859_1涓垰濂戒篃娌℃湁瀛楃
鑳芥槧灝勪笂錛屾墍浠ユ樉紺轟負(fù)鈥??鈥濄傚湪涓婇潰鐨勭ず渚嬩腑錛?
鈥滀腑鏂団濅袱涓瓧灝辨樉紺轟負(fù)鈥滐紵錛燂紵錛熲?
2.5.3錛夊湪瀹屽叏涓枃妯″紡涓嬬殑鍏跺畠鎯呭艦綾諱技錛屾垜灝變笉澶氳浜?
2.6錛夋垜浠帴鐫鐪嬩負(fù)浠涔堝湪瑗挎枃DOS紿楀彛涓嬬紪璇戝嚭鏉ョ殑綾誨湪涓枃紿楀彛涓嬩篃鍑虹幇綾諱技鎯呭艦錛岀壒鍒槸涓轟粈涔堝眳鐒舵湁鐨勬儏褰笅榪樿兘姝ｇ‘鏄劇ず姹夊瓧銆?
2.6.1錛夋垜浠繕鏄厛浠ヤ唬鐮佹9涓轟緥錛?
姝ラ 鍐呭 鍦扮偣 璇存槑
01錛?C1C2 HelloWorld.java C1C2鍒嗗埆娉涙寚涓涓狪SO8859_1瀛楃錛屸滀腑鈥濆瓧琚媶寮
02錛?U3U4 JAVAC璇誨彇 U1U2娉涙寚涓涓猆nicode瀛楃
03錛? C5C6 getBytes()絎竴姝?JAVA鍏堝拰鎿嶄綔緋葷粺浜ゆ祦錛岃繖鏃惰В鏋愰敊璇?
04錛?B5B6B7B8 getBytes()絎簩姝?鐒跺悗榪斿洖瀛楄妭鏁扮粍
05錛?C5C6 new String()絎竴姝?JAVA鍏堝拰鎿嶄綔緋葷粺浜ゆ祦
06錛?U3U4 new String()絎簩姝?鐒跺悗榪斿洖瀛楃
07錛?C5C6 println(String) 铏界劧鍚屾槸涓や釜瀛楃錛屼絾宸蹭笉鏄渶鍒濈殑鈥滀袱涓狪SO8859_1瀛?
絎︹濓紝鑰屾槸鈥滀袱涓狟GK瀛楃鈥濓紝鈥滀腑鈥濇樉紺烘垚浜嗏滐紵錛熲?
鑰屸滀腑鏂団濆氨鏄劇ず鎴愪簡鈥滐紵錛燂紵錛熲?
2.6.2錛変笅闈㈡垜浠互浠ｇ爜孌?2涓轟緥錛屽洜涓哄畠鑳芥紜樉紺烘眽瀛?
姝ラ 鍐呭 鍦扮偣 璇存槑
01錛?C1C2 HelloWorld.java C1C2鍒嗗埆娉涙寚涓涓狪SO8859_1瀛楃錛屸滀腑鈥濆瓧琚媶寮
02錛?U3U4 JAVAC璇誨彇 U1U2娉涙寚涓涓猆nicode瀛楃
03錛?C1C2 getBytes()絎竴姝?JAVA鍏堝拰鎿嶄綔緋葷粺浜ゆ祦錛堟敞鎰忚繕鏄紜殑鍝︼紒錛?
04錛?B5B6 getBytes()絎簩姝?鐒跺悗榪斿洖瀛楄妭鏁扮粍錛堣繖鏄緢鍏抽敭鐨勪竴姝ワ紒錛?
05錛?C12 new String()絎竴姝? JAVA鍏堝拰鎿嶄綔緋葷粺浜ゆ祦錛堣繖鏄洿鍏抽敭鐨勪竴姝ワ紝JAVA宸茬粡鐭ラ亾B5B6瑕佽В鏋愭垚涓涓眽瀛楋紒錛?
06錛?U7 new String()絎簩姝? 鐒跺悗榪斿洖瀛楃錛堢湡鏄竴涓」涓わ紒U7鍖呭惈浜哢3U4鐨勪俊鎭級
07錛?C12 println(String) 榪欏氨鍘熸潵鐨勨滀腑鈥濆瓧錛屽緢濮斿眻琚獼AVAC鍐ゆ瀴浜嗕竴鍥烇紝涓嶈繃琚▼搴忓憳鎷ㄤ貢鍙嶆浜嗕竴涓嬶紒褰撶劧錛屸滀腑鏂団濅袱涓瓧閮借兘姝ｇ‘鏄劇ず浜嗭紒
3錛夐偅涓轟粈涔堟湁鐨勬椂鍊欑敤JDBC鐨?
new String(Recordset.getBytes(int)[,encode])
Recordset.getSting(int)
Recordset.setBytes(String.getBytes([encode]))
鍜?
Recordset.setString(String)
鐨勬椂鍊欎細(xì)鍑虹幇涔辯爜浜嗗憿錛?
鍏跺疄闂灝卞嚭鐜板湪緙栧啓JDBC鐨勭殑涔熻冭檻浜嗙紪鐮侀棶棰橈紝瀹冧粠鏁版嵁搴撹鍙栨暟鎹悗錛屽彲鑳借嚜浣滀富寮犲仛浜嗕竴涓粠GB2312錛堥粯璁ょ紪鐮侊級鍒癠nicode鐨勮漿鎹紝鎴戠殑榪欎釜WebLogic For SQL Server鐨凧DBC Driver灝辨槸榪欐牱鐨勶紝褰撴垜璇誨瓧涓茬殑鏃跺欙紝鍙戝嚭璇誨埌鐨勪笉鏄紜殑姹夊瓧錛屽彲鎭ㄧ殑鏄垜鍗村彲浠ョ洿鎺ュ啓姹夊瓧瀛椾覆錛岃繖璁╀漢澶氬皯鏈夌偣闅句互鎺ュ彈錛?
涔熷氨鏄錛屾垜浠笉寰椾笉鍦ㄨ鎴栧啓鐨勬椂鍊欒繘琛岃漿鐮侊紝灝界榪欎釜杞爜鏈夌殑鏃跺欎笉鏄偅涔堟槑鏄撅紝榪欐槸鍥犱負(fù)鎴戜滑浣跨敤浜嗛粯璁ょ殑緙栫爜榪涜杞爜銆侸DBC Driver鎵鍋氱殑鎿嶄綔錛屾垜浠彧鏈夎繘鍏ュ埌婧愪唬鐮佸唴閮ㄦ墠鑳芥竻妤氾紝涓嶆槸鍚楋紵
]]>
榪欐槸涓綃囩▼搴忓憳鍐欑粰紼嬪簭鍛樼殑瓚ｅ懗璇葷墿銆傛墍璋撹叮鍛蟲槸鎸囧彲浠ユ瘮杈冭交鏉懼湴浜嗚В涓浜涘師鏉ヤ笉娓呮鐨勬蹇碉紝澧炶繘鐭ヨ瘑錛岀被浼間簬鎵揜PG娓告垙鐨勫崌綰с傛暣鐞嗚繖綃囨枃绔犵殑鍔ㄦ満鏄袱涓棶棰橈細(xì)
- 闂涓錛?
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浣跨敤Windows璁頒簨鏈殑鈥滃彟瀛樹負(fù)鈥濓紝鍙互鍦℅BK銆乁nicode銆乁nicode big endian鍜孶TF-8榪欏嚑縐嶇紪鐮佹柟寮忛棿鐩鎬簰杞崲銆傚悓鏍鋒槸txt鏂囦歡錛學(xué)indows鏄庢牱璇嗗埆緙栫爜鏂瑰紡鐨勫憿錛?/P>
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- 闂浜岋細(xì)
- 鏈榪戝湪緗戜笂鐪嬪埌涓涓狢onvertUTF.c錛屽疄鐜頒簡UTF-32銆乁TF-16鍜孶TF-8榪欎笁縐嶇紪鐮佹柟寮忕殑鐩鎬簰杞崲銆傚浜嶶nicode(UCS2)銆丟BK銆乁TF-8榪欎簺緙栫爜鏂瑰紡錛屾垜鍘熸潵灝變簡瑙ｃ備絾榪欎釜紼嬪簭璁╂垜鏈変簺緋婃秱錛屾兂涓嶈搗鏉TF-16鍜孶CS2鏈変粈涔堝叧緋匯?
鏌ヤ簡鏌ョ浉鍏寵祫鏂欙紝鎬葷畻灝嗚繖浜涢棶棰樺紕娓呮浜嗭紝欏哄甫涔熶簡瑙ｄ簡涓浜沀nicode鐨勭粏鑺傘傚啓鎴愪竴綃囨枃绔狅紝閫佺粰鏈夎繃綾諱技鐤戦棶鐨勬湅鍙嬨傛湰鏂囧湪鍐欎綔鏃跺敖閲忓仛鍒伴氫織鏄撴噦錛屼絾瑕佹眰璇昏呯煡閬撲粈涔堟槸瀛楄妭錛屼粈涔堟槸鍗佸叚榪涘埗銆?/P>
0銆乥ig endian鍜宭ittle endian
big endian鍜宭ittle endian鏄疌PU澶勭悊澶氬瓧鑺傛暟鐨勪笉鍚屾柟寮忋備緥濡傗滄眽鈥濆瓧鐨刄nicode緙栫爜鏄?C49銆傞偅涔堝啓鍒版枃浠墮噷鏃訛紝絀剁珶鏄皢6C鍐欏湪鍓嶉潰錛岃繕鏄皢49鍐欏湪鍓嶉潰錛熷鏋滃皢6C鍐欏湪鍓嶉潰錛屽氨鏄痓ig endian銆傚鏋滃皢49鍐欏湪鍓嶉潰錛屽氨鏄痩ittle endian銆?/P>
鈥渆ndian鈥濊繖涓瘝鍑鴻嚜銆婃牸鍒椾經(jīng)娓歌銆嬨傚皬浜哄浗鐨勫唴鎴樺氨婧愪簬鍚冮浮铔嬫椂鏄┒绔熶粠澶уご(Big-Endian)鏁插紑榪樻槸浠庡皬澶?Little-Endian)鏁插紑錛岀敱姝ゆ浘鍙戠敓榪囧叚嬈″彌涔憋紝涓涓殗甯濋佷簡鍛斤紝鍙︿竴涓涪浜嗙帇浣嶃?/P>
鎴戜滑涓鑸皢endian緲昏瘧鎴愨滃瓧鑺傚簭鈥濓紝灝哹ig endian鍜宭ittle endian縐頒綔鈥滃ぇ灝鋸濆拰鈥滃皬灝鋸濄?/P>
1銆佸瓧絎︾紪鐮併佸唴鐮侊紝欏哄甫浠嬬粛姹夊瓧緙栫爜
瀛楃蹇呴』緙栫爜鍚庢墠鑳借璁＄畻鏈哄鐞嗐傝綆楁満浣跨敤鐨勭己鐪佺紪鐮佹柟寮忓氨鏄綆楁満鐨勫唴鐮併傛棭鏈熺殑璁＄畻鏈轟嬌鐢?浣嶇殑ASCII緙栫爜錛屼負(fù)浜嗗鐞嗘眽瀛楋紝紼嬪簭鍛樿璁′簡鐢ㄤ簬綆浣撲腑鏂囩殑GB2312鍜岀敤浜庣箒浣撲腑鏂囩殑big5銆?/P>
GB2312(1980騫?涓鍏辨敹褰曚簡7445涓瓧絎︼紝鍖呮嫭6763涓眽瀛楀拰682涓叾瀹冪鍙楓傛眽瀛楀尯鐨勫唴鐮佽寖鍥撮珮瀛楄妭浠嶣0-F7錛屼綆瀛楄妭浠嶢1-FE錛屽崰鐢ㄧ殑鐮佷綅鏄?2*94=6768銆傚叾涓湁5涓┖浣嶆槸D7FA-D7FE銆?/P>
GB2312鏀寔鐨勬眽瀛楀お灝戙?995騫寸殑姹夊瓧鎵╁睍瑙勮寖GBK1.0鏀跺綍浜?1886涓鍙鳳紝瀹冨垎涓烘眽瀛楀尯鍜屽浘褰㈢鍙峰尯銆傛眽瀛楀尯鍖呮嫭21003涓瓧絎︺?/P>
浠嶢SCII銆丟B2312鍒癎BK錛岃繖浜涚紪鐮佹柟娉曟槸鍚戜笅鍏煎鐨勶紝鍗沖悓涓涓瓧絎﹀湪榪欎簺鏂規(guī)涓繪槸鏈夌浉鍚岀殑緙栫爜錛屽悗闈㈢殑鏍囧噯鏀寔鏇村鐨勫瓧絎︺傚湪榪欎簺緙栫爜涓紝鑻辨枃鍜屼腑鏂囧彲浠ョ粺涓鍦板鐞嗐傚尯鍒嗕腑鏂囩紪鐮佺殑鏂規(guī)硶鏄珮瀛楄妭鐨勬渶楂樹綅涓嶄負(fù)0銆傛寜鐓х▼搴忓憳鐨勭О鍛鹼紝GB2312銆丟BK閮藉睘浜庡弻瀛楄妭瀛楃闆? (DBCS)銆?/P>
2000騫寸殑GB18030鏄彇浠BK1.0鐨勬寮忓浗瀹舵爣鍑嗐傝鏍囧噯鏀跺綍浜?7484涓眽瀛楋紝鍚屾椂榪樻敹褰曚簡钘忔枃銆佽挋鏂囥佺淮鍚懼皵鏂囩瓑涓昏鐨勫皯鏁版皯鏃忔枃瀛椼備粠姹夊瓧瀛楁眹涓婅錛孏B18030鍦℅B13000.1鐨?0902涓眽瀛楃殑鍩虹涓婂鍔犱簡CJK鎵╁睍A鐨?582涓眽瀛楋紙Unicode鐮?x3400-0x4db5錛夛紝涓鍏辨敹褰曚簡27484涓眽瀛椼?/P>
CJK灝辨槸涓棩闊╃殑鎰忔濄俇nicode涓轟簡鑺傜渷鐮佷綅錛屽皢涓棩闊╀笁鍥借璦涓殑鏂囧瓧緇熶竴緙栫爜銆侴B13000.1灝辨槸ISO/IEC 10646-1鐨勪腑鏂囩増錛岀浉褰撲簬Unicode 1.1銆?/P>
GB18030鐨勭紪鐮侀噰鐢ㄥ崟瀛楄妭銆佸弻瀛楄妭鍜?瀛楄妭鏂規(guī)銆傚叾涓崟瀛楄妭銆佸弻瀛楄妭鍜孏BK鏄畬鍏ㄥ吋瀹圭殑銆?瀛楄妭緙栫爜鐨勭爜浣嶅氨鏄敹褰曚簡CJK鎵╁睍A鐨?582涓眽瀛椼? 渚嬪錛歎CS鐨?x3400鍦℅B18030涓殑緙栫爜搴旇鏄?139EF30錛孶CS鐨?x3401鍦℅B18030涓殑緙栫爜搴旇鏄?139EF31銆?/P>
寰蔣鎻愪緵浜咷B18030鐨勫崌綰у寘錛屼絾榪欎釜鍗囩駭鍖呭彧鏄彁渚涗簡涓濂楁敮鎸丆JK鎵╁睍A鐨?582涓眽瀛楃殑鏂板瓧浣擄細(xì)鏂板畫浣?18030錛屽茍涓嶆敼鍙樺唴鐮併俉indows 鐨勫唴鐮佷粛鐒舵槸GBK銆?/P>
榪欓噷榪樻湁涓浜涚粏鑺傦細(xì)
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GB2312鐨勫師鏂囪繕鏄尯浣嶇爜錛屼粠鍖轟綅鐮佸埌鍐呯爜錛岄渶瑕佸湪楂樺瓧鑺傚拰浣庡瓧鑺備笂鍒嗗埆鍔犱笂A0銆?/P>
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瀵逛簬浠諱綍瀛楃緙栫爜錛岀紪鐮佸崟鍏冪殑欏哄簭鏄敱緙栫爜鏂規(guī)鎸囧畾鐨勶紝涓巈ndian鏃犲叧銆備緥濡侴BK鐨勭紪鐮佸崟鍏冩槸瀛楄妭錛岀敤涓や釜瀛楄妭琛ㄧず涓涓眽瀛椼? 榪欎袱涓瓧鑺傜殑欏哄簭鏄浐瀹氱殑錛屼笉鍙桟PU瀛楄妭搴忕殑褰卞搷銆俇TF-16鐨勭紪鐮佸崟鍏冩槸word錛堝弻瀛楄妭錛夛紝word涔嬮棿鐨勯『搴忔槸緙栫爜鏂規(guī)鎸囧畾鐨勶紝word鍐呴儴鐨勫瓧鑺傛帓鍒楁墠浼?xì)鍙楀埌endian鐨勫獎鍝嶃傚悗闈㈣繕浼?xì)浠嬀l峌TF-16銆?/P>
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GB2312鐨勪袱涓瓧鑺傜殑鏈楂樹綅閮芥槸1銆備絾絎﹀悎榪欎釜鏉′歡鐨勭爜浣嶅彧鏈?28*128=16384涓傛墍浠BK鍜孏B18030鐨勪綆瀛楄妭鏈楂樹綅閮藉彲鑳戒笉鏄?銆備笉榪囪繖涓嶅獎鍝岲BCS瀛楃嫻佺殑瑙ｆ瀽錛氬湪璇誨彇DBCS瀛楃嫻佹椂錛屽彧瑕侀亣鍒伴珮浣嶄負(fù)1鐨勫瓧鑺傦紝灝卞彲浠ュ皢涓嬩袱涓瓧鑺備綔涓轟竴涓弻瀛楄妭緙栫爜錛岃屼笉鐢ㄧ浣庡瓧鑺傜殑楂樹綅鏄粈涔堛?/P>
2銆乁nicode銆乁CS鍜孶TF
鍓嶉潰鎻愬埌浠嶢SCII銆丟B2312銆丟BK鍒癎B18030鐨勭紪鐮佹柟娉曟槸鍚戜笅鍏煎鐨勩傝孶nicode鍙笌ASCII鍏煎錛堟洿鍑嗙‘鍦拌錛屾槸涓嶪SO-8859-1鍏煎錛夛紝涓嶨B鐮佷笉鍏煎銆備緥濡傗滄眽鈥濆瓧鐨刄nicode緙栫爜鏄?C49錛岃孏B鐮佹槸BABA銆?/P>
Unicode涔熸槸涓縐嶅瓧絎︾紪鐮佹柟娉曪紝涓嶈繃瀹冩槸鐢卞浗闄呯粍緇囪璁★紝鍙互瀹圭撼鍏ㄤ笘鐣屾墍鏈夎璦鏂囧瓧鐨勭紪鐮佹柟妗堛俇nicode鐨勫鍚嶆槸"Universal Multiple-Octet Coded Character Set"錛岀畝縐頒負(fù)UCS銆俇CS鍙互鐪嬩綔鏄?Unicode Character Set"鐨勭緝鍐欍?/P>
鏍規(guī)嵁緇村熀鐧劇鍏ㄤ功(http://zh.wikipedia.org/wiki/)鐨勮杞斤細(xì)鍘嗗彶涓婂瓨鍦ㄤ袱涓瘯鍥劇嫭绔嬭璁nicode鐨勭粍緇囷紝鍗沖浗闄呮爣鍑嗗寲緇勭粐錛圛SO錛夊拰涓涓蔣浠跺埗閫犲晢鐨勫崗浼?xì)锛坲nicode.org錛夈侷SO寮鍙戜簡ISO 10646欏圭洰錛孶nicode鍗忎細(xì)寮鍙戜簡Unicode欏圭洰銆?/P>
鍦?991騫村墠鍚庯紝鍙屾柟閮借璇嗗埌涓栫晫涓嶉渶瑕佷袱涓笉鍏煎鐨勫瓧絎﹂泦銆備簬鏄畠浠紑濮嬪悎騫跺弻鏂圭殑宸ヤ綔鎴愭灉錛屽茍涓哄垱绔嬩竴涓崟涓緙栫爜琛ㄨ屽崗鍚屽伐浣溿備粠Unicode2.0寮濮嬶紝Unicode欏圭洰閲囩敤浜嗕笌ISO 10646-1鐩稿悓鐨勫瓧搴撳拰瀛楃爜銆?/P>
鐩墠涓や釜欏圭洰浠嶉兘瀛樺湪錛屽茍鐙珛鍦板叕甯冨悇鑷殑鏍囧噯銆俇nicode鍗忎細(xì)鐜板湪鐨勬渶鏂扮増鏈槸2005騫寸殑Unicode 4.1.0銆侷SO鐨勬渶鏂版爣鍑嗘槸ISO 10646-3:2003銆?/P>
UCS鍙槸瑙勫畾濡備綍緙栫爜錛屽茍娌℃湁瑙勫畾濡備綍浼犺緭銆佷繚瀛樿繖涓紪鐮併備緥濡傗滄眽鈥濆瓧鐨刄CS緙栫爜鏄?C49錛屾垜鍙互鐢?涓猘scii鏁板瓧鏉ヤ紶杈撱佷繚瀛樿繖涓紪鐮侊紱涔熷彲浠ョ敤utf-8緙栫爜:3涓繛緇殑瀛楄妭E6 B1 89鏉ヨ〃紺哄畠銆傚叧閿湪浜庨氫俊鍙屾柟閮借璁ゅ彲銆俇TF-8銆乁TF-7銆乁TF-16閮芥槸琚箍娉涙帴鍙楃殑鏂規(guī)銆俇TF-8鐨勪竴涓壒鍒殑濂藉鏄畠涓嶪SO-8859-1瀹屽叏鍏煎銆俇TF鏄淯CS Transformation Format鈥濈殑緙╁啓銆?/P>
IETF鐨凴FC2781鍜孯FC3629浠FC鐨勪竴璐鏍鹼紝娓呮櫚銆佹槑蹇張涓嶅け涓ヨ皚鍦版弿榪頒簡UTF-16鍜孶TF-8鐨勭紪鐮佹柟娉曘傛垜鎬繪槸璁頒笉寰桰ETF鏄疘nternet Engineering Task Force鐨勭緝鍐欍備絾IETF璐熻矗緇存姢鐨凴FC鏄疘nternet涓婁竴鍒囪鑼冪殑鍩虹銆?/P>
2.1銆佸唴鐮佸拰code page
鐩墠Windows鐨勫唴鏍稿凡緇忔敮鎸乁nicode瀛楃闆嗭紝榪欐牱鍦ㄥ唴鏍鎬笂鍙互鏀寔鍏ㄤ笘鐣屾墍鏈夌殑璇█鏂囧瓧銆備絾鏄敱浜庣幇鏈夌殑澶ч噺紼嬪簭鍜屾枃妗ｉ兘閲囩敤浜嗘煇縐嶇壒瀹氳璦鐨勭紪鐮侊紝渚嬪GBK錛學(xué)indows涓嶅彲鑳戒笉鏀寔鐜版湁鐨勭紪鐮侊紝鑰屽叏閮ㄦ敼鐢║nicode銆?/P>
Windows浣跨敤浠ｇ爜欏?code page)鏉ラ傚簲鍚勪釜鍥藉鍜屽湴鍖恒俢ode page鍙互琚悊瑙ｄ負(fù)鍓嶉潰鎻愬埌鐨勫唴鐮併侴BK瀵瑰簲鐨刢ode page鏄疌P936銆?/P>
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3銆乁CS-2銆乁CS-4銆丅MP
UCS鏈変袱縐嶆牸寮忥細(xì)UCS-2鍜孶CS-4銆傞【鍚嶆濅箟錛孶CS-2灝辨槸鐢ㄤ袱涓瓧鑺傜紪鐮侊紝UCS-4灝辨槸鐢?涓瓧鑺傦紙瀹為檯涓婂彧鐢ㄤ簡31浣嶏紝鏈楂樹綅蹇呴』涓?錛夌紪鐮併備笅闈㈣鎴戜滑鍋氫竴浜涚畝鍗曠殑鏁板娓告垙錛?/P>
UCS-2鏈?^16=65536涓爜浣嶏紝UCS-4鏈?^31=2147483648涓爜浣嶃?/P>
UCS-4鏍規(guī)嵁鏈楂樹綅涓?鐨勬渶楂樺瓧鑺傚垎鎴?^7=128涓猤roup銆傛瘡涓猤roup鍐嶆牴鎹楂樺瓧鑺傚垎涓?56涓猵lane銆傛瘡涓猵lane鏍規(guī)嵁絎?涓瓧鑺傚垎涓?56琛? (rows)錛屾瘡琛屽寘鍚?56涓猚ells銆傚綋鐒跺悓涓琛岀殑cells鍙槸鏈鍚庝竴涓瓧鑺備笉鍚岋紝鍏朵綑閮界浉鍚屻?/P>
group 0鐨刾lane 0琚О浣淏asic Multilingual Plane, 鍗矪MP銆傛垨鑰呰UCS-4涓紝楂樹袱涓瓧鑺備負(fù)0鐨勭爜浣嶈縐頒綔BMP銆?/P>
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4銆乁TF緙栫爜
UTF-8灝辨槸浠?浣嶄負(fù)鍗曞厓瀵筓CS榪涜緙栫爜銆備粠UCS-2鍒癠TF-8鐨勭紪鐮佹柟寮忓涓嬶細(xì)
| UCS-2緙栫爜(16榪涘埗) | UTF-8 瀛楄妭嫻?浜岃繘鍒? |
| 0000 - 007F | 0xxxxxxx |
| 0080 - 07FF | 110xxxxx 10xxxxxx |
| 0800 - FFFF | 1110xxxx 10xxxxxx 10xxxxxx |
渚嬪鈥滄眽鈥濆瓧鐨刄nicode緙栫爜鏄?C49銆?C49鍦?800-FFFF涔嬮棿錛屾墍浠ヨ偗瀹氳鐢?瀛楄妭妯℃澘浜嗭細(xì)1110xxxx 10xxxxxx 10xxxxxx銆傚皢6C49鍐欐垚浜岃繘鍒舵槸錛?110 110001 001001錛? 鐢ㄨ繖涓瘮鐗規(guī)祦渚濇浠ｆ浛妯℃澘涓殑x錛屽緱鍒幫細(xì)11100110 10110001 10001001錛屽嵆E6 B1 89銆?/P>
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5銆乁TF鐨勫瓧鑺傚簭鍜孊OM
UTF-8浠ュ瓧鑺備負(fù)緙栫爜鍗曞厓錛屾病鏈夊瓧鑺傚簭鐨勯棶棰樸俇TF-16浠ヤ袱涓瓧鑺備負(fù)緙栫爜鍗曞厓錛屽湪瑙ｉ噴涓涓猆TF-16鏂囨湰鍓嶏紝棣栧厛瑕佸紕娓呮姣忎釜緙栫爜鍗曞厓鐨勫瓧鑺傚簭銆備緥濡傗滃鈥濈殑Unicode緙栫爜鏄?94E錛屸滀箼鈥濈殑Unicode緙栫爜鏄?E59銆傚鏋滄垜浠敹鍒癠TF-16瀛楄妭嫻佲?94E鈥濓紝閭ｄ箞榪欐槸鈥滃鈥濊繕鏄滀箼鈥濓紵
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鍦║CS緙栫爜涓湁涓涓彨鍋?ZERO WIDTH NO-BREAK SPACE"鐨勫瓧絎︼紝瀹冪殑緙栫爜鏄疐EFF銆傝孎FFE鍦║CS涓槸涓嶅瓨鍦ㄧ殑瀛楃錛屾墍浠ヤ笉搴旇鍑虹幇鍦ㄥ疄闄呬紶杈撲腑銆俇CS瑙勮寖寤鴻鎴戜滑鍦ㄤ紶杈撳瓧鑺傛祦鍓嶏紝鍏堜紶杈撳瓧絎?ZERO WIDTH NO-BREAK SPACE"銆?/P>
榪欐牱濡傛灉鎺ユ敹鑰呮敹鍒癋EFF錛屽氨琛ㄦ槑榪欎釜瀛楄妭嫻佹槸Big-Endian鐨勶紱濡傛灉鏀跺埌FFFE錛屽氨琛ㄦ槑榪欎釜瀛楄妭嫻佹槸Little-Endian鐨勩傚洜姝ゅ瓧絎?ZERO WIDTH NO-BREAK SPACE"鍙堣縐頒綔BOM銆?/P>
UTF-8涓嶉渶瑕丅OM鏉ヨ〃鏄庡瓧鑺傞『搴忥紝浣嗗彲浠ョ敤BOM鏉ヨ〃鏄庣紪鐮佹柟寮忋傚瓧絎?ZERO WIDTH NO-BREAK SPACE"鐨刄TF-8緙栫爜鏄疎F BB BF錛堣鑰呭彲浠ョ敤鎴戜滑鍓嶉潰浠嬬粛鐨勭紪鐮佹柟娉曢獙璇佷竴涓嬶級銆傛墍浠ュ鏋滄帴鏀惰呮敹鍒頒互EF BB BF寮澶寸殑瀛楄妭嫻侊紝灝辯煡閬撹繖鏄疷TF-8緙栫爜浜嗐?/P>
Windows灝辨槸浣跨敤BOM鏉ユ爣璁版枃鏈枃浠剁殑緙栫爜鏂瑰紡鐨勩?/P>
6銆佽繘涓姝ョ殑鍙傝冭祫鏂?/H3>
鏈枃涓昏鍙傝冪殑璧勬枡鏄?"Short overview of ISO-IEC 10646 and Unicode" (http://www.nada.kth.se/i18n/ucs/unicode-iso10646-oview.html)銆?/P>
鎴戣繕鎵句簡涓ょ瘒鐪嬩笂鍘諱笉閿欑殑璧勬枡錛屼笉榪囧洜涓烘垜寮濮嬬殑鐤戦棶閮芥壘鍒頒簡絳旀錛屾墍浠ュ氨娌℃湁鐪嬶細(xì)
- "Understanding Unicode A general introduction to the Unicode Standard" (http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&item_id=IWS-Chapter04a)
- "Character set encoding basics Understanding character set encodings and legacy encodings" (http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&item_id=IWS-Chapter03)
鎴戝啓榪嘦TF-8銆乁CS-2銆丟BK鐩鎬簰杞崲鐨勮蔣浠跺寘錛屽寘鎷嬌鐢╓indows API鍜屼笉浣跨敤Windows API鐨勭増鏈備互鍚庢湁鏃墮棿鐨勮瘽錛屾垜浼?xì)鏁寸悊涓涓嬫斁鍒版垜鐨勪釜浜轟富欏典笂(http://fmddlmyy.home4u.china.com)銆?/P>
鎴戞槸鎯蟲竻妤氭墍鏈夐棶棰樺悗鎵嶅紑濮嬪啓榪欑瘒鏂囩珷鐨勶紝鍘熶互涓轟竴浼?xì)鍎繛p兘鍐欏ソ銆傛病鎯沖埌鑰冭檻鎺緸鍜屾煡璇佺粏鑺傝姳璐逛簡寰堥暱鏃墮棿錛岀珶鐒朵粠涓嬪崍1:30鍐欏埌9:00銆傚笇鏈涙湁璇昏呰兘浠庝腑鍙楃泭銆?/P>
闄勫綍1 鍐嶈璇村尯浣嶇爜銆丟B2312銆佸唴鐮佸拰浠ｇ爜欏?/H3>
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鎴戝啀璇︾粏瑙ｉ噴涓涓嬶細(xì)
鈥淕B2312鐨勫師鏂団濇槸鎸囧浗瀹?980騫寸殑涓涓爣鍑嗐婁腑鍗庝漢姘戝叡鍜屽浗鍥藉鏍囧噯 淇℃伅浜ゆ崲鐢ㄦ眽瀛楃紪鐮佸瓧絎﹂泦 鍩烘湰闆?GB 2312-80銆嬨傝繖涓爣鍑嗙敤涓や釜鏁版潵緙栫爜姹夊瓧鍜屼腑鏂囩鍙楓傜涓涓暟縐頒負(fù)鈥滃尯鈥濓紝絎簩涓暟縐頒負(fù)鈥滀綅鈥濄傛墍浠ヤ篃縐頒負(fù)鍖轟綅鐮併?-9鍖烘槸涓枃絎﹀彿錛?6-55鍖烘槸涓綰ф眽瀛楋紝56-87鍖烘槸浜岀駭姹夊瓧銆傜幇鍦╓indows涔熻繕鏈夊尯浣嶈緭鍏ユ硶錛屼緥濡傝緭鍏?601寰楀埌鈥滃晩鈥濄傦紙榪欎釜鍖轟綅杈撳叆娉曞彲浠ヨ嚜鍔ㄨ瘑鍒?6榪涘埗鐨凣B2312鍜?0榪涘埗鐨勫尯浣嶇爜錛屼篃灝辨槸璇磋緭鍏0A1鍚屾牱浼?xì)寰楀埌鈥滃晩鈥濄傦級
鍐呯爜鏄寚鎿嶄綔緋葷粺鍐呴儴鐨勫瓧絎︾紪鐮併傛棭鏈熸搷浣滅郴緇熺殑鍐呯爜鏄笌璇█鐩稿叧鐨勩傜幇鍦ㄧ殑Windows鍦ㄧ郴緇熷唴閮ㄦ敮鎸乁nicode錛岀劧鍚庣敤浠ｇ爜欏甸傚簲鍚勭璇█錛屸滃唴鐮佲濈殑姒傚康灝辨瘮杈冩ā緋婁簡銆傚井杞竴鑸皢緙虹渷浠ｇ爜欏墊寚瀹氱殑緙栫爜璇存垚鏄唴鐮併?/P>
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Windows涓湁緙虹渷浠ｇ爜欏電殑姒傚康錛屽嵆緙虹渷鐢ㄤ粈涔堢紪鐮佹潵瑙ｉ噴瀛楃銆備緥濡俉indows鐨勮浜嬫湰鎵撳紑浜嗕竴涓枃鏈枃浠訛紝閲岄潰鐨勫唴瀹規(guī)槸瀛楄妭嫻侊細(xì)BA銆丅A銆丏7銆丏6銆俉indows搴旇鍘繪庝箞瑙ｉ噴瀹冨憿錛?/P>
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絳旀鏄疻indows鎸夌収褰撳墠鐨勭己鐪佷唬鐮侀〉鍘昏В閲婃枃鏈枃浠墮噷鐨勫瓧鑺傛祦銆傜己鐪佷唬鐮侀〉鍙互閫氳繃鎺у埗闈㈡澘鐨勫尯鍩熼夐」璁劇疆銆傝浜嬫湰鐨勫彟瀛樹負(fù)涓湁涓欏笰NSI錛屽叾瀹炲氨鏄寜鐓х己鐪佷唬鐮侀〉鐨勭紪鐮佹柟娉曚繚瀛樸?/P>
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