Java中的字元集編碼入門技巧

• • ASCII???稿?蟲?????

    ?扮??浜洪?界?ラ??ASCII灏辨??缇??芥????淇℃??浜ゆ?㈢????缂╁??锛?涔??ラ??ASCII瑙?瀹???浣?浜?杩??舵?闆???ヨ〃绀鴻?辨??瀛?绗??ASCII琚?瀹?涓哄?介??????涔?????浠ｅ?蜂負ISO-646.?變?ASCII????浣跨?ㄤ?7涓?浜?杩??朵?锛?涔?灏辨??璇翠?涓?瀛?????浠ヨ〃绀虹??256涓??闆??涓?锛?瀹?浠?浣跨?ㄤ?0~127杩?128涓???浣?锛??╀???128涓???浣?渚垮??浠ョ?ㄦ?ュ???╁?锛??ㄦ?ヨ〃绀轟?浜??瑰??璇?瑷?????????瀛?绗????姝ゅ?矽?澶?浣???128涓???浣???涓????╁?锛?灏卞艦??浜?涓?绯誨??ISO-8859-*????????渚?濡?涓鴻?辮??浣?浜?涓??ㄦ?╁???瀛?绗???缂???????缂??蜂負ISO-8859-1锛?涔?????Latin-1锛?涓哄???璇???浣????╁?缂??蜂負ISO-8859-7绛?锛?瀹??寸????琛ㄥ??浠ュ??????Java Internationalization??涓?涔???

    ?

    ?翠釜Unicode椤圭?????卞?瀹惰?＄???鴻蔣浠跺???革?杩?????涓?浜??虹??琛?涓??????稿?卞????璧風??锛?浠?涓?涓?绾?????骞翠唬灏卞凡缁?寮?濮????扮??浜洪?界?ラ??锛?瀵逛??ユ??锛?姹?瀛??ヨ?達?256涓???浣???杩?杩?涓?澶??ㄧ??锛?褰??訛??ㄥ??跺苟涓????扮??浜洪?界?ラ??锛?璧風??璁捐?¤?＄???虹????缇?浠?灏變??ラ??锛????崇?村?頒?澶╋?杩?????缇?浠ヤ負绫沖?芥??涓???涓???涓????藉?訛???瑙ｅ?蟲?規?寰??磋?涔?寰????撅??ｅ氨?????ㄧ??浣?澶??拌凍澶?????????瀛?绗??伴????缂????規?锛??充?璇?璇寸??澶寸???誨ご锛??????昏????锛???杩?涔???Unicode??????涔?涓?锛??藉?????涓???涓?????璇?瑷???瀛?绗??????姹?瀛?锛??ユ??锛??闆?????鳳??充?绗??鳳?杩???????绉?濂?濂???????涔???涓?????涓?瑗挎??濡?璞″艦??瀛?锛??查?ㄦ?? 锛?涓?涓?浠ｈ〃锛?绉?瀛???灞?瑙?绛?绛?锛?绗?锛?锛?杩?涓????籌???浠ヨ?村?杩?澶э?浣?寰?蹇?琚????頒???Unicode??????璁捐?℃??娉?瀹??般??Unicode?????涓?璁捐?＄????锛?瀵逛?澶╁獎??娣辮?锛??ｅ氨??瀵規????瀛?绗??介????6浣?缂???锛??崇?ㄤ?涓?澶у?涓?瓒?杩?2??16娆℃?圭???存?版?闆??缁?姣?涓?瀛?绗???鳳?娉ㄦ??浠?杩?涓???涔?涓?涔???浠ョ???猴?Unicode??涓?绉?缂???瀛?绗???锛?????瀛?绗???缂???锛???璇磋?涓?璁捐?＄????瀵圭?頒?褰卞??娣辮?锛?瀹??ㄤ???琛ㄦ??锛???涓哄?闆???ヨ?Unicode??璁捐?¤??涔????幫?16浣?缂???浠???65536涓???浣?锛?杩?杩?涓??藉?圭撼涓???涓???????瀛?绗??浣?褰???璇??拌?涓???棰????跺??锛?Unicode澶ч?ㄥ????瑙???宸茬??跺??瀹?姣?锛?涔????稿?绋?搴???????锛?瀹??ㄦ?ㄥ?????ユ??涓??闆??????杩???浜?涓?涓???????棰?锛?涔???surrogate pair杩?绉?韫╄??瑙ｅ?蟲?規?????绔????

    ???????訛???984骞達???娆?互绻?澶???缂??風?寮?缇や????介????????缁?缁?ISO涔?寮?濮??????跺??瑙ｅ?充???璇?瑷?瀛?绗??伴??澶?澶ч??棰???瑙ｅ?蟲?規?锛?杩?涓??規?琚?绉頒負Universal Character Set锛?UCS 缁?涓?瀛?绗???锛?锛?姝ｅ???缂??鋒??ISO-10646锛?璁闆?涔?锛?ASCII??ISO-646锛?涓??ヨ?绉?瀹???????????????锛???杩???ISO楂??昏??╋?涓?寮?濮?灏辯‘瀹?浜?UCS??涓?涓?31浣???缂???瀛?绗???锛??崇?ㄤ?涓?澶у?涓?瓒?杩?2??31娆℃?圭???存?版?闆??涓烘??涓?瀛?绗???鳳?锛?杩???????瓒充互瀹圭撼?ゅ?浠??ユ?????藉?訛?????璇?瑷?????????瀛?绗??锛?????锛?浠諱??藉?訛?浠諱?灏?璇?绉??藉????锛?涔?涓?绠¤?浜??藉?舵??涓??版咕寤轟氦杩???涓?涓??藉ぇ??寤轟氦锛????ユ?ゆ?涓誨?跺害杩???瀹?琛?????涓諱?锛???浠ヨ?寸?瀛????界??锛????界?跺???ヤ?浠???璇??幫?2??31娆℃?逛釜??浣???瀹??ㄥお澶?浜????β?

    澶╀?澶у?匡???涔?蹇???????璁?nicode杩???UCS锛????????????芥????缁???绉????峰????绻?澶?褰㈠???寮?浜?涓??煎?矽??姝諱??稿??ョ??绉??ㄦ?╁?缂???锛?濂藉?闆????涓??ヨ??锛?锛?缁???涓ゆ?圭‘绔??????????訛??????惰?涓や釜??????涓??煎?圭??锛?锛???褰㈡??浜??叉??锛?杩?瀵瑰緩璁懼??璋?绀句???涓??╃??锛?杩???褰?浠?涓?????骞充???灞???涓繪??寰?锛?涓??芥?垮?涓?????瀵逛換浣?褰㈠????告??涓諱???寮烘???挎不锛?瀵逛互绫沖?戒負棣?????杈懼?藉?垛??????杩?浜???杩?浜???1991骞達?Unicode????涓?ISO??宸ヤ?缁?缁?浜?寮?濮?璁ㄨ??nicode涓?UCS????骞堕??棰?锛??界?跺?跺??????骞惰?琛?浜?寰?澶?骞達?Unicode????瑙???涓???寰?澶?缂????介??瑕?琚??瑰??锛?UCS涔???瑕?瀵圭??绌洪?寸??浣跨?ㄨ?琛?蹇?瑕????訛?浣?????????浜虹??????缁?锛?涓よ??缁?涓?浜??借薄瀛?绗???锛??充換浣?涓?涓???nicode涓?瀛??ㄧ??瀛?绗????CS涓?涔?瀛????锛?涓?????????65535涓?瀛?绗??缁?涓?浜?瀛?绗???缂?????瀵逛???绌洪?達?涓よ??????浠ヤ??句???涓?涓洪??锛??充袱???借?や負?界??5536涓?澶?锛?浣?2??31娆℃?瑰??澶?澶э?涓??句???涓???涓????歸?藉???ュ??????绌洪?村ぇ灏?锛?涔?澶????褰??訛?杩???璇寸??涓??句???涓?????涓?绾??幫?锛?Unicode灏???绌洪?存?╁??頒?涓??句???涓?锛???UCS灏?姘鎬??х??涓?浣跨?ㄤ??句???涓?浠ュ??????浣???涔?灏辨??璇達??闆?ㄥ??璁?nicode??????65536涓?瀛?绗???涓?瀵圭?????や?瀵瑰凡缁?瀹?涔???瀛?绗??琛?缁?涓?澶?锛?Unicode????涓?ISO宸ヤ?缁?涔?????浠???浠諱????╁?宸ヤ?涓よ????淇?????姝ワ???姝よ?界?朵????茬????涔?涓?璁?nicode涓?UCS涓???涓???浜?锛????崇???涓?璇翠?涓???涓???浜?锛?锛?浣??闆?ㄦ??璧?nicode锛???浠ｄ袱??????涓?濡ャ??浣????╁?宸ヤ?涓よ????淇?????姝ワ???姝よ?界?朵????茬????涔?涓?璁?nicode涓?UCS涓???涓???浜?锛????崇???涓?璇翠?涓???涓???浜?锛?锛?浣??闆?ㄦ??璧?nicode锛???浠ｄ袱??????涓?濡ャ??

    ??瑕???涓?娆″己璋?????锛???璁哄???蹭???UCS杩????闆?浠???Unicode锛?涓よ???????芥??缂???瀛?绗???锛???涓???瀛?绗???缂??????辮垂涓??規?堕?存?ョ??瑙ｅソ杩?浠朵?锛??跺??浣?浼????闆?規????缃?椤電??锛?绯葷???锛?缂???????涔??寸???ュ??杞??㈢??绛?绻???浜??￠?戒???璺?娓??幫????版???ャ??

    ?

    ?? ?棣???璇磋?存??涓?????涔?涓???瀛?绗?????

    ?

    ?? ?涓?涓??借薄瀛?绗????跺??灏辨????瀛?绗???????锛?渚?濡????????辨??瀛?姣???涓?涓??借薄瀛?绗???锛???????姹?瀛???涓?涓??借薄瀛?绗???锛?褰??訛????ㄤ???????璇?瑷???绗??烽?芥?懼?ㄤ?璧鳳?涔???浠ョО涓轟?涓??借薄瀛?绗???锛???浠ヨ?涓????????稿?浜轟負????涔???浠ヨ?粹???借薄??浜?瀛?锛?????涓鴻???????????瀛?绗????浠諱??蜂?褰㈠???瀛?绗???挎?瀛?涓?????姹???杩?涓?瀛?绗??ヨ?達??ㄥ?ㄨ?绡???绔?涓????扮??杩?涓???姹????跺????杩?涓?瀛?绗???涓?绉??蜂?琛ㄧ?闆艦寮?锛???瀹????懼??琛ㄧ?闆艦寮?锛???涓?瀹????ㄤ腑??锛??????奸?籌?涔???????锛?浣跨?ㄥ??浣?澶?瑙?锛???褰?浜轟滑?ㄥ?村???衡??姹???杩?涓??崇???跺??锛?浠?浠????ㄤ嬌?ㄢ??姹????????绉??蜂?琛ㄧ?闆艦寮?????澹伴?籌?浣???璁哄?浣?锛?涓よ????????瀛?绗??芥????姹???杩?涓?瀛?????涓?涓?瀛?绗???琛ㄧ?闆艦寮????芥?????扮?锛??歸?佃〃绀猴??㈤??琛ㄧず锛??抽?琛ㄧず锛?妤蜂?锛???涔???绛?绛?绛?锛?锛???姣?涓?绉?琛ㄧ?闆艦寮?涓?????涓?涓?瀛?绗??界撼?ュ?闆??绗???涓?锛?浼?浣垮?????杩?浜?搴?澶э???浣?楂?锛?涔?涓?濂界?＄??????姝ゆ?借薄瀛?绗???涓???瀛?绗???芥??????涓?瀛??ㄧ???借薄瀛?绗????蹇界?ュ?????蜂?琛ㄧ?闆艦寮???

    ?

    ?? ??借薄瀛?绗???涓???璇稿?瀛?绗??娌℃??椤哄?涔???锛?璋?涔?涓??借?村??涓?瀛?绗??ㄥ??涓?瀛?绗????????涓?杩?绉??借薄瀛?绗?????浜鴻?界??瑙ｃ???ㄧ?涓?涓??借薄瀛?绗?????涓???姣?涓?瀛?绗??藉????涓?涓??存?扮??蜂???锛?娉ㄦ??杩?涓??存?闆苟娌℃??瑕?姹?澶у?锛?锛?杩?涓?瀛?绗???灏辨??浜?椤哄?锛?灏辨??涓轟?缂???瀛?绗????????訛???杩?杩?涓?缂??鳳???浠ュ??涓?纭?瀹??闆?????????涓?涓?瀛?绗???褰??訛?瀵逛???涓?涓?瀛?绗??涓?????瀛?绗???缂???绯葷????跺?????存?扮??蜂?涓?灏界?稿??锛?渚?濡????庫??杩?涓?瀛?锛???nicode涓?锛?瀹???缂??鋒??0x513F锛?锛?涓烘?逛究璧瘋?锛?浠ュ????杩??惰〃绀猴?浣?杩?涓??存?扮??峰苟涓?瑕?姹?蹇?椤繪??浠ュ????杩??惰〃绀猴???????璇村????Unicode杩?涓?缂???瀛?绗???涓???绗?0x513F涓?瀛?绗??????ㄥ???绉?缂???瀛?绗???姣?濡?Big5涓?锛?杩?涓?瀛?灏辨??绗?0xA449涓?瀛?绗????杩?绉????電??????㈡??锛?璁稿?瀛?绗??ㄤ?????缂???瀛?绗???涓?琚?????浜??稿?????存?扮??鳳?渚?濡??辨??瀛?姣???A??锛???SCII??Unicode涓?锛?????绗?0x41涓?瀛?绗?????浠?甯歌?寸??Unicode瀛?绗???锛?????灏辨??杩?绉?琚?????浜??存?扮??風??瀛?绗?????锛?浣?瑕?婢?娓?????锛?缂???瀛?绗???涓?瀛?绗?????????存?扮??鳳?涓?涓?瀹?灏辨??璇ュ??绗??ㄨ?＄???轟腑瀛??ㄦ?舵??浣跨?ㄧ???鹼?璁＄???轟腑瀛??ㄧ??瀛?绗??闆?浣跨?ㄤ?涔?浜?杩??舵?存?闆?兼?ヨ〃绀猴????變??㈠?瑕?璇村?扮??瀛?绗???缂????沖??????

    瀛?绗???缂????沖??浜?濡?浣?灏?涓?涓?瀛?绗????存?扮??峰?瑰??頒?涓?浜?杩??剁???存?闆?鹼?????缂????規?绠?????灏?璇ユ?存?闆?肩?存?ヤ?涓哄?跺?ㄨ?＄???轟腑??琛ㄧず??瀛????渚?濡??辨??瀛?绗?氨??杩??鳳???涔???????瀛?绗???缂????規?涓?锛??辨??瀛?姣????存?扮??蜂??跺?ㄨ?＄???哄???ㄥ???ㄧ??浜?杩??跺艦寮??戒??淬??浣?????缂????規?锛?渚?濡????ㄤ?Unicode瀛?绗?????UTF-8缂???褰㈠?锛?灏卞?寰?澶т??ㄥ??瀛?绗????存?扮??蜂?浜????㈠??瀛??ㄥ?ㄨ?＄???轟腑??浠モ??姹???瀛?涓轟?锛???姹?????Unicode?間負0x6C49锛?浣??剁???涓?TF-8?煎??????間負0xE6B189锛?娉ㄦ???闆????浜?涓?涓?瀛???锛?????浠?缁?甯稿??璇寸?????绉?缂????規?UTF-16锛???瀵?nicode涓?????65536涓?瀛?绗???烽?戒?????????存?ヤ?涓鴻?＄???哄???ㄦ?朵嬌?ㄧ???鹼?瀵?5536浠ュ????瀛?绗??浠??惰????????锛?渚?濡???姹???瀛???Unicode缂??蜂負0x6C49锛??ｄ?缁?杩?UTF-16缂?????瀛??ㄥ?ㄨ?＄???轟??訛?瀹???琛ㄧず浠?涓?x6C49锛???????锛?姝ｆ????涓?TF-16??瀛????浣垮?寰?澶?浜鴻?や負Unicode??涓?绉?缂???锛?瀹???涓?锛???涓?涓?瀛?绗???锛???娆￠???籌?锛?涔???姝わ?寰?澶?浜鴻??nicode???跺??锛?浠?浠?瀹???涓???????UTF-16.UTF-16??渚?浜?surrogate??pair?哄?訛?浣垮?Unicode涓???浣?澶т?65536???ｄ?瀛?绗??浠ヨ〃绀恒??

    Surrogate pair?哄?跺?ㄧ?????ヨ?村???ㄤ?甯哥??????寵?涓?浜?UTF-16??瀹??伴?戒?????锛???浠ユ??涓???绠??ㄨ???澶???璁ㄨ?猴??跺?烘???????沖氨???ㄤ袱涓?16浣???缂???琛ㄧず涓?涓?瀛?绗??娉ㄦ??锛???瀵圭??浣?瓒?杩?65536??瀛?绗??涔???锛???Unicode濡?姝ゆ?繪?辯??16杩?涓??闆??涓??撅??????茬??????锛?涔???瀹??ㄧ????????

    褰??惰???涓?绉???寮虹??缂???锛?UTF-32锛?浠?瀵規??????Unicode瀛?绗???涓?????????存?ヤ嬌?ㄧ??峰?????锛?淇?绉扮??浠ヤ???搴?涓???锛?锛?????杩?绉?缂????規?澶?娴?璐瑰???ㄧ┖?達?灏辮?1涓?瀛???灏卞??浠ユ??瀹????辨??瀛?绗??瀹??藉?椤諱嬌??涓?瀛???锛?锛?????灏界?′嬌?ㄨ搗?ユ?逛究锛?涓???瑕?浠諱?杞????锛??存病??寰??版??????

    璁闆?褰???Unicode涓?UCS杩?娌℃??瀹朵??訛?UCS涔?????瑕?浜虹?憋???瑕?浜虹?肩??锛?娌℃????宸辯??瀛?绗???缂?????涔?????UCS-2涓?UCS-4灏辨??婕?浜?杩??風??瑙??層??UCS-4涓?UTF-32?や???瀛?涓???浠ュ?锛????沖???ㄤ??楓????UCS-2涓?UTF-16?ㄥ?瑰??65536涓?瀛?绗???澶???涓?涔?瀹??ㄧ?稿??锛???涓????哄?????ㄤ?UCS-2 涓?????surrogate pair?哄?訛??蟲??璇達?UCS-2???藉?瑰??65536涓?瀛?绗????锛?瀵瑰?跺????瀛?绗???????娉???涓?杩??闆?ㄥ??璋?璧峰??绗???????跺??锛?UCS-2涓?UCS-4?╁凡??涓鴻?＄???哄?插???舵??浼??ㄥ?扮??璇?姹?锛?灏辮?╁??浠?缁х畫???ㄦ??绾稿?????с?? 涓?涓?????浠??ヨ?磋?翠?涓????稿?崇??GB2312??GBK??

    GB2312??瀵逛腑?界??寮???浜哄???ヨ?村???瑕???涓?涓?璇?姹?锛?瀹????ラ??昏??骞朵???瑕????ㄨ???璧?杩幫???渚?oolge涔?渚挎???芥??璇??????????蟲??涓??ワ?璁闆???涓???璇村?扮???瀛?绗?????瀛?绗???缂???涓???涓???浜?锛???????瀛?绗???缂?????瀹???涓?娌℃????浠諱?浜?锛?GB2312姝ｆ??杩??蜂?绉?涓?瑗匡?

    GB2312??????????涓?涓?缂???瀛?绗???锛??朵腑????浜?ASCII?????????辨??瀛?绗?????跺???ヤ?6763涓?绠?浣?姹?瀛?浠ュ???朵?涓?浜?ASCII涔?澶???绗??楓??涓?Unicode??UTF-8??UTF-16涓??鳳?褰??訛? UTF-8??UTF-16涔?娌℃??琚???瀹????界?ㄦ?ュ??nicode杩?琛?缂???锛?瀹???涓?锛?浣??ㄥ??瀵矽?棰?杩?琛?缂????芥????浠ョ??锛?????缂??虹????浠舵病?????懼?ㄦ????缃??锛?????锛?锛?GB2312涔?????宸辯??缂????規?锛?浣?杩?涓??規??存?ヤ嬌?ㄤ?涓?瀛?绗???B2312涓???缂??蜂?涓哄???ㄥ?鹼?涓?UTF-32????娉?绫諱技锛?锛?涔???姝わ?杩?涓?缂????規????蟲病??姝ｅ?????绉般????浠??ュ父璇磋搗GB2312???跺??锛?甯稿父?蟲??杩?涓?瀛?绗???锛?涔???杩?绉?缂????規???

    GBK??GB2312????缁?????锛?娣誨??浜??村???姹?瀛????規??绗??鳳?绫諱技????锛?GBK涔??????舵??浠???瀛?绗?????浠???缂?????

    GBK杩????闆?浠?涓???Windows??浣?绯葷???绯葷?榛?璁ょ???锛?杩?姝ｆ????涔?????缃?椤典???锛???浠堕????涔辯????棰????規?锛???

    ??浠???浠ヨ??鋒?ラ??璇?锛?浣跨?ㄤ互涓???Java浠ｇ??锛?

    String encoding=System.getProperty("file.encoding"); ?

    System.out.println(encoding); ?

    杈??虹???涓?BK

    锛?浠?涔?锛?浣???杈??轟???杩??鳳???涔????斤?瀹?浜?锛???????瀛?瑕??鎬?锛?绛?绛?锛?浣??ㄧ??绻?浣???XP锛???璇翠?杩???蹇??ㄨ????ｄ?涔?涔憋??夥??夥?锛?

    璇村??B2312??GBK灏變?寰?涓???涓???缃?椤電??缂?????灏界?″?澶??闆?????Web绯葷????頒?绾跨??娉ㄩ???介??????缃?绔??藉?濮?浣跨??TF-8锛?浠????稿?涓??ㄥ????涓???濯?浣?????浣跨??B2312??GBK锛?渚?濡??版氮??椤甸?????朵腑??涓ょ?瑰??煎?娉ㄦ????

    绗?涓?锛?椤甸??腑meta??绛劇???ㄥ??锛?甯稿父??浠ヨ???harset=GB2312杩??風????娉?锛?寰?涓?骞哥????锛?杩?涓???charset???跺?????ㄦ?ユ??瀹?椤甸??嬌?ㄧ????浠?涔?瀛?绗???缂???锛???涓???浣跨?ㄤ?涔?瀛?绗?????渚?濡?浣?瑙??拌???浜哄????charset=UTF-8??锛?瑙??拌???浜哄????charset=ISO-8859-1??锛?浣?浣?瑙?杩???浜哄????charset=Unicode??涔?锛?褰??舵病??锛???涓?nicode??涓?涓?瀛?绗???锛???涓???缂?????

    ?惰??姝ｆ??charset杩?涓???绉拌??瀵間?寰?澶?绋?搴???锛?????浠ヤ負杩???瑕???瀹?????瀛?绗???锛?涔?????浣誇?浠?杩?涓?姝ョ??璇?浠ヤ負UTF-8??UTF-16??涓?绉?瀛?绗???锛?锛?涓??跺??锛?濂藉??ML涓?宸茬????轟?淇??癸?杩?涓?浣?缃??規??浜?姝ｇ‘????绉幫?encoding.绗?浜?锛?椤甸??腑璇寸??GB2312锛?瀹???涓?骞朵???????GB2312锛???璁朵?锛?锛?????浠??ュ??涓?瀹?楠?锛?渚?濡??句?涓?GB2312涓?涓?瀛??ㄧ??姹?瀛???浜糕??锛?杩?涓?瀛?纭?瀹?涓???B2312涓?锛?浣???浠ュ??B2312????琛ㄤ腑?繪?撅?淇?璇??句??幫?锛?杩?涓?瀛???BK涓????跺??浣???瀹??懼?頒?涓?html椤甸??腑锛?璇????ㄦ?瑙??ㄤ腑??寮?瀹?锛??跺?????╂?瑙??ㄧ??缂???涓衡??GB2312??锛????頒?浠?涔?锛?瀹?瀹??ㄦ?ｅ父?劇ず锛?

    缁?璁轟??ㄦ??璇翠?涔????戒?锛?娴?瑙??ㄥ????涓?浣跨?ㄧ????GBK?ユ?劇ず??

    ?版氮??椤甸??腑涔???寰?澶?杩??風??渚?瀛?锛??闆??藉??charset=GB2312锛??翠嬌?ㄤ????頒釜GB2312涓?骞朵?瀛??ㄧ??瀛?绗???杩?绉???娉?瀵規?瑙??ㄦ?劇ず椤甸?㈠苟涓?????棰?锛?浣??ㄩ??瑕?绋?搴?????椤甸?㈠苟淇?瀛????跺??甯??ヤ?楹葷???绋?搴?灏?涓??戒???椤甸?㈡????澹扮О????缂???杩?琛?璇誨????淇?瀛?锛??????藉敖????娴?姝ｇ‘??缂?????

    ?ョ??涓???????璺?璇達?涓?涓?缃?椤佃??沖?ㄦ?瑙??ㄤ腑?藉?姝ｇ‘?劇ず锛???瑕??ㄤ?涓??版?逛???缂?????涓??達?缃?椤墊??浠訛?缃?椤電???澹版????娴?瑙??ㄧ???璁劇疆??

    棣?????缃?椤墊??浠舵??韬???缂???锛??崇?椤墊??浠跺?ㄨ???寤虹???跺??浣跨?ㄤ?涔?缂????ヤ?瀛???杩?涓?瀹??ㄥ???充???寤鴻?ョ?椤電??浜哄??浣跨?ㄤ?浠?涔?缂???淇?瀛?锛???杩?涓?姝ョ?????充?璇ヤ漢??浣跨?ㄧ????浣?绯葷???渚?濡???浠?浣跨?ㄧ??涓?????WindowsXP绯葷?锛?褰?浣??闆緩涓?涓???????浠訛????ヤ?浜???瀹癸?骞舵??涓?ctrl+s杩?琛?淇?瀛????ｄ??夥???浣?绯葷?灏辨?誇?浣跨??BK缂???灏???浠惰?琛?浜?淇?瀛?锛?娌℃??浣跨??TF-8锛?涔?娌℃??浣跨??TF-16锛?????浣跨?ㄤ??辨??绯葷???浜猴?绯葷?浼?浣跨??SO-8859-1杩?琛?淇?瀛?锛?杩?涔????崇??锛??ㄨ?辨??绯葷?????浠朵腑濡???杈??ヤ?涓?姹?瀛?锛?????娉?杩?琛?淇?瀛???锛?褰??訛?浣????抽?芥??娉?杈??ワ????

    涓?涓??ㄥ??寤?ML??浠舵?訛???寤?TML???跺????寰?灏???浜鴻?涔?璁や負锛?甯歌???璇?瑙ｆ??浠ヤ負??瑕??ㄩ〉?㈢??encoding?ㄥ??澹版??浜?UTF-8锛?????浠跺氨浼?琚?淇?瀛?涓?TF-8?煎???杩?瀹??ㄦ????????涔?璇村???涓??藉???ㄥぇ瀹躲??瀹???涓?XML??浠朵腑encoding?ㄥ??涓?HTML??浠朵腑??charset涓?涓??鳳???????璇?????浜衡??锛?杩?涓???浜哄???芥??娴?瑙?浣???椤甸?㈢??浜猴????芥??娴?瑙????涔????芥??澶???浣?椤甸?㈢??绋?搴?锛???浜洪??瑕??ラ??杩?涓?锛???涓洪?ら??浣???璇?浠?浠?锛?????璋?涔???涓??轟??ㄤ?浠?涔?缂???锛?浠???杩???浠剁????瀹瑰?ゆ??涓??轟嬌?ㄤ?浠?涔?缂???锛?杩???????锛?杩?涓???浠朵嬌?ㄤ?浠?涔?缂???锛???????浣?绯葷?涓?浼?????锛?瀹?浠??朵?????宸遍?璁ょ??缂????瑰?淇?瀛???浠訛???涓?娆＄??锛??ㄦ??浠???涓???WindowsXP绯葷?涓?锛?浣跨??BK淇?瀛?锛????充?杩?涓???浠舵??涓?????????encoding????charset??澹版?????ｇ?缂???淇?瀛??????绛?妗???涓?涓?瀹?锛??

    渚?濡??版氮??椤甸?㈠氨??澹扮О??浠?????B2312缂???淇?瀛???锛?浣?瀹???涓??存??GBK锛?涔??????扮??浜?????绋?搴????ㄧ郴缁?榛?璁ょ??GBK淇?瀛?浜?浠?浠???XML??浠訛??村?ㄤ?浠???encoding涓?淇¤????????璇存??UTF-8?????

    杩?灏辨????浠???璇寸??绗?浜?涓?浣?缃?锛?缃?椤電???澹版??涓???缂???搴?璇ヤ?缃?椤墊??浠朵?瀛??朵嬌?ㄧ??缂???涓??淬??

    ??娴?瑙??ㄧ??缂???璁劇疆瀹???涓?骞朵?涓ユ?鹼?灏卞????浠?绗?涓?????璇寸???ｆ?鳳??ㄦ?瑙??ㄤ腑???╀嬌??B2312?ユ?ョ??锛?瀹?瀹???涓?浠??朵?浣跨??BK杩?琛?????涓?娴?瑙??ㄨ???杩??蜂?绉?濂戒???锛??沖??浼?灏介????娴?浣跨?ㄤ?涔?缂????ョ??????????

    ??瑕????崇????锛?缃?椤墊??浠剁??缂?????缃?椤墊??浠朵腑澹版????缂???淇???涓??達?杩???涓?涓???濂界??寤鴻??锛??煎??靛驚锛?浼?涓?浜烘?逛究锛?涓?宸辨?逛究锛?锛?浣?濡???涓?涓??達???瑕?缃?椤墊??浠剁??缂???涓?娴?瑙??ㄧ??缂???璁劇疆涓??達?涔?????浠ユ?ｇ‘?劇ず?????

    渚?濡???杩??蜂?涓?椤甸???瀹?浣跨??BK淇?瀛?锛?浣?澹版????宸辨??UTF-8????杩?涓??跺???ㄦ?瑙??ㄦ??寮?瀹?锛?棣???浼????頒貢??锛???涓鴻?涓?椤甸?⑩????璇???娴?瑙??ㄧ??TF-8?劇ず锛?娴?瑙??ㄤ?寰?灏???杩?涓???绀猴?浜???涔辯??涓?????浣?褰???宸ユ??娴?瑙??ㄨ?句負GBK涔???锛??劇ず姝ｅ父???

    璇翠?浠ヤ?????杩?涔?澶?锛????㈡??浠?灏辨?ヤ?渚?Java????瀛?绗????锛?浣?浼????版??????涓???澶寸??浜???寰?澶?锛?浣?涓??????锛?澶╀?????锛?涓?杩?涓?瑕???涓??逛?璐ラ?ｆ?鋒??濂斤???

    濡???浣???JVM??璁捐?¤??锛?璁╀??ュ?沖??JVM涓?????瀛?绗???琛ㄧず褰㈠?锛?浣?浼?涓?浼???璁鎬嬌?ㄥ??绉?缂????瑰???瀛?绗?苟瀛?锛??

    ???充???绛?妗???涓?浼?锛?濡????ㄥ??瀛?涓???Java瀛?绗???浠ヤ互GB2312锛?UTF-16锛?BIG5绛???绉?缂???褰㈠?瀛?????ｄ?瀵瑰??????ヨ?達?杩?杩?琛????烘????瀛?绗?覆???般??杩??ョ????浣??戒?瀵告?ラ?捐???渚?濡?涓?涓?GB2312??瀛?绗?覆???㈣??ヤ?涓?UTF-8??瀛?绗?覆锛??ｄ?杩??ュ??????缁?缁???搴?璇ユ??浠?涔?缂????????浣?????涓?涓??芥病????????

    ??姝ょ?㈣?頒??㈣??ヨ??锛?杩?涔???Java寮????????卞????蹇?锛???ava涓?锛?瀛?绗???浠ヤ?绉?褰㈠?瀛?????ｅ氨??Unicode锛?娉ㄦ???版??浠?娌℃?????╃?瑰????缂???锛??存?ヤ嬌?ㄥ??浠??ㄥ??绗???涓???缂??鳳?杩???缁?涓?????涓??規?锛???

    浣?????ava涓????闆??????ㄥ???????灏辨??????VM涓?锛??ㄥ??瀛?涓?锛??ㄤ???浠ｇ????澹版????姣?涓?涓?char锛?String绫誨????????涓???渚?濡?浣??ㄧ?搴?涓?杩??峰???

    char han='姹?'; ?

    ?ㄥ??瀛????稿??哄??锛?杩?涓?瀛?绗?氨琛ㄧず涓?x6C49.??浠ョ?ㄤ??㈢??浠ｇ??璇???涓?涓?锛? ?

    char han='姹?'; ?

    System.out.format("%x",(short)han); ?

    杈??烘??锛?6c49??杩??ョ??nicode缂??鋒?ユ??瀹?涓?涓?瀛?绗????浠ワ???杩??鳳?

    char han=0x6c49; ?

    System.out.println(han); ?

    杈??烘??锛?姹??

    杩??跺??涔???璇達???瑕?浣?姝ｇ‘??璇誨?ヤ???姹???杩?涓?瀛?锛??ｄ?瀹??ㄥ??瀛?涓???琛ㄧず褰㈠?涓?瀹???0x6C49锛?娌℃??浠諱??朵????艱?戒唬琛ㄨ?涓?瀛?锛?褰??訛?濡???浣?璇婚??浜?锛??ｇ?????浠?涔?灏變??ラ??浜?锛???浼?璇達?璇夥?璇婚??浜???锛??ｈ?绛?浜?濂藉??浜垮?????灞卞ぇ?ヨ?達?濂藉??浜誇?涔?娌＄??涓?锛?璇峰??涓?涓?棰?锛???

    JVM??杩?绉?绾???浣垮?涓?涓?瀛?绗????ㄧ??涓?????涓轟?涓ら?ㄥ??锛?JVM???ㄥ??OS????浠剁郴缁?????VM?????缁?涓?浣跨??nicode琛ㄧず锛?褰?杩?涓?瀛?绗??浠?JVM???ㄧЩ?闆?????充?瀛?涓烘??浠剁郴缁?涓???涓?涓???浠剁????瀹規?訛?锛?灏辮?琛?浜?缂???杞????浣跨?ㄤ??蜂???缂????規?锛?涔???涓?绉?寰??規???????碉?浣垮???VM???ㄤ???瑕?杞????涓?杩?杩?涓?????璇?锛????

    ??姝ゅ??浠ヨ?達???????缂???杞??㈠氨???????ㄨ竟?????版?癸?JVM??OS??浜ょ??澶?锛?涔?灏辨??浣?????绉?杈??ヨ??烘?锛?????Reader锛?Writer绫夥?璧蜂??ㄧ???版?廣??

    璇?澶存???拌???灏卞?椤繪?ョ??璇?ava??IO绯葷???

    灏界?＄??涓??繪販涔辯???锛?浣?????????IO?烘??涓???浠ュ??涓轟袱澶ч?佃?ワ??㈠??瀛?绗???Reader??Wrtier??锛?浠ュ???㈠??瀛?????杈??ヨ??烘???

    涓??㈡???ラ??涓???瑙ｏ??跺??涓??逛?涓??俱??

    ?㈠??瀛?绗????㈠??瀛???涓?????璋????㈠????浠?涔?锛?????杩?浜?绫誨?ㄥ???杈??ヨ??虹???跺??锛??ㄥ??涓???涔?涓?淇???涓??淬??濡??????㈠??瀛???锛??ｄ?杩?绫誨伐浣?瑕?淇?璇?绯葷?涓?????浠朵?杩??跺??瀹瑰??璇誨??VM???ㄧ??浜?杩??跺??瀹矽?涓??淬??涓??藉????換浣?0??1??椤哄?锛?涔?灏辨????浠舵????涔?瀛???灏辨??涔???锛?涓???浠朵?瀛???缂???涓??達?????姝よ???涓?绉???甯糕??蹇?瀹?浜???????????娉?锛??剁?堕?磋?╂???寵搗????????琚?搴?缇界????绔?锛??ｅ?朵?锛?澶?蹇?瀹?浜?????浜?锛?绗?锛???

    杩?绉?杈??ヨ??烘?瑰?寰?????璇誨?ヨ?棰???浠舵?????抽???浠訛?????浠諱?涓???瑕??????㈢????浠跺??瀹廣??

    ???㈠??瀛?绗???IO????甯???绯葷?涓?????浠剁??瀛?绗???璇誨?ュ??瀛?????瀛?绗???锛?娉ㄦ????瀛??????哄??锛?瑕?涓??淬??渚?濡???浠???涓?????WindowsXP绯葷?涓???涓?涓?GBK????????浠訛??朵腑??涓?涓???姹???瀛?锛?杩?涓?瀛???GBK缂?????0xBABA锛???Unicode缂??鋒??0x6C49锛?锛?褰???浠?浣跨?ㄩ?㈠??瀛?绗???IO??瀹?璇誨?ュ??瀛?骞朵?瀛??ㄤ?涓?char??????涓??訛???甯???IO绯葷?涓?瑕??誨?葷???存?ユ??0xBABA?懼?拌?涓?char??????涓?锛??????抽?戒??沖?杩?涓?char???????蜂???浜?杩??跺??瀹瑰?闆???澶?灏?锛?????甯???杩?涓?瀛?绗??昏??ヤ???浠??舵????姹???杩?涓?瀛????

    浠?杩?涓???涔?涓?涔???浠ョ???猴??㈠??瀛?绗???IO绫夥?涔?灏辨??Reader??Writer绫夥?瀹???涓???寮???涓烘??浠???浜?缂???杞?????ㄨ??烘?訛?灏???瀛?涓???Unicode瀛?绗?嬌?ㄧ郴缁?榛?璁ょ??缂????瑰?杩?琛?浜?缂???锛????ㄨ??ユ?訛?灏???浠剁郴缁?涓?宸茬?缂???杩???瀛?绗?嬌?ㄩ?璁ょ????規?杩?琛?浜?杩???????涓ゆ?℃???扳??榛?璁も??锛???璇?eader??Writer??????涔?浠?姝よ??宸蹭?锛?瀹?浠???浼?浣跨?ㄨ?涓?榛?璁ょ??缂????ュ??杞????浣?涓??戒負涓?涓?Reader????Writer??瀹?杞??㈡?朵嬌?ㄧ??缂?????杩?涔????崇??锛?濡???浣?浣跨?ㄤ腑????WindowsXP绯葷?锛???涓??㈠???句?涓?涓?UTF-8缂???????浠訛?褰?浣?浣跨??eader绫繪?ヨ?誨?ョ???跺??锛?瀹?浼??誨?葷??浣跨??BK?ュ??杞????杞??㈠??????瀹瑰??堕┐??涓?瀵歸┈?達??

    杩?绉?绗?????跺???跺????涓?绉??葷??寮??????芥??渚??瑰?锛?瀵瑰ぇ澶??闆??绾х?ㄦ?鳳?浠ュ??涓???瑕?璺ㄥ鈎?扮??楂?绾х?ㄦ?鳳??ヨ?村??????浠跺ソ浜????

    浣???浠?涓?涓??峰?????浠??芥???藉?舵??姊?锛??╄???璧惰?辮?缇???璐ｄ換锛?蹇?椤誨?澶烽?挎??浠ユ不澶鳳???浠ユ??浠??昏?瑕???GBK缂???浠ュ?????浠舵??浜ら????

    璇翠?涓??㈣?浜???瀹癸??沖???????璇昏??宸茬????烘?ワ???璋?缂???杞??㈠氨??涓?涓?瀛?绗??瀛???涔??寸??杞??????姝?ava??IO绯葷?涓??藉???瀹?杞??㈢??????版?癸?涔?灏卞?ㄥ??绗??瀛???杞??㈢???版?癸??ｅ氨??锛?璇昏??锛?InputStreamReader??OutputStreamWriter锛?浣???锛?澶?寮轟?锛??戒??㈢??浜?锛?锛?

    PrintStream涔???浠ュ??utputStream杩?琛???瑁?骞舵??瀹?缂????瑰?锛?PrintStream(OutputStream out, boolean autoFlush, String encoding)锛?浣?瀹?璐ㄤ?涔???璋???utputStreamWriter?ュ???扮????System.err??clipse涓?杈??烘?舵??绾㈣?茬??瀛?浣???

    杩?涓や釜绫繪??瀛???娴???瀛?绗??涔??寸???????ㄧ被锛???姝や?浠??╄???缂???杞??㈢??浠誨?＄???村お???跺???瑕?娉ㄦ??锛?瀹???涓?涔????藉?ㄨ?涓ょ被瀹?渚??????跺????瀹?缂???锛???涓???寰?濂借?闆???

    涓??㈡?ュ??涓?娈靛?绋?搴?锛??ユ????姹???瀛??ㄦ??浠???甯稿?????UTF-8缂??????版??浠朵腑锛??

    Java浠ｇ??

    try { ? ? ?

    ?? ?PrintWriter out = new PrintWriter(new OutputStreamWriter( ? ? ?

    ?? ? ? ? ? ?new FileOutputStream("c:/utf-8.txt"), "UTF-8")); ? ? ?

    ?? ?try { ? ? ?

    ?? ? ? ?out.write("姹?"); ? ? ?

    ?? ?} finally { ? ? ?

    ?? ? ? ?out.close(); ? ? ?

    ?? ?} ? ? ?

    } catch (IOException e) { ? ? ?

    ?? ?throw new RuntimeException(e); ? ? ?

    ?

    } ?

    杩?琛?涔???????涓??繪??tf-8.txt杩?涓???浠訛???ltraEdit??寮?锛?浣跨??6杩??舵?ョ??锛????頒?浠?涔?锛?瀹????兼??0xE6B189锛??㈣?訛?锛?璇昏??锛?杩?锛?杩???浠?涔?濂介???寸???????

    Java?風О瀵?nicode??渚?澶╃?剁??????锛?杩?璇??ㄥ?涔?寰?涔?浠ュ??灏卞凡缁???????浜?锛?涓?杩??劇???????锛?锛?瀹???涓?锛???DK5.0涓烘???Java??绠?????璺?涓?Unicode????姝ワ?寮?濮???渚?瀵瑰?琛ュ??绗?????????

    ?闆?ㄧ??Unicode??绌洪?翠負U+0000??+10FFFF锛?涓???114112涓???浣?锛??朵腑????1锛?112锛?064 涓???浣?????娉???锛????ユ?誇???绠???锛???2048涓???浣?涓???娉?锛?锛?浣?骞朵???璇寸?闆?ㄧ??Unicode灏辨??杩?涔?澶?涓?瀛?绗??锛?瀹???涓??朵腑寰?澶???浣?杩???绌洪?茬??锛???nicode 4.0 瑙???涓烘???????96锛?382涓???浣?琚?????浜?瀛?绗??浣???璁哄?浣?锛?浠?姣?寰?澶?浜鴻?や負??65536涓?瀛?绗??澶?寰?澶?浜?锛????朵腑U+0000 ??+FFFF???ㄥ??琚?绉頒負?烘??澶?璇?瑷????Basic Multilingual Plane锛?BMP锛???U+10000??浠ヤ???瀛?绗?О涓鴻ˉ??瀛?绗?????ava涓?锛?Java1.5涔???锛?锛?琛ュ??瀛?绗?嬌?ㄤ袱涓?char???????ヨ〃绀猴?杩?涓や釜char??????灏辯???浜???璋???surrogate pair锛??ㄥ?灞?瀹???涓???浣跨?ㄤ?涓?int杩?琛?琛ㄧず??锛???绗?涓?涓?char???????????寸О涓衡??楂?浠ｇ???ㄥ????锛?high-surrogates range锛?浠?"uD800??uDBFF锛???024涓???浣?锛?锛? 绗?浜?涓?char???????????寸О涓?ow-surrogates range锛?浠?"uDC00??uDFFF锛???024涓???浣?锛?锛?杩??蜂嬌??urrogate pair??浠ヨ〃绀虹??瀛?绗??頒??辨??1024??骞蟲?矽??048576涓?锛???涓?BMP??65536涓???浣?锛??繪??2048涓???娉?????浣?锛?姝ｅソ??1锛?112锛?064涓???浣???

    ?充?Unicode????绌洪?村????涓???涓?浜?绋?涓?灏?蹇?灏變?璁╀漢???????版?廣??姣?濡???浠??界?ラ??浠?U+0000??+FFFF???ㄥ??琚?绉頒負?烘??澶?璇?瑷????Basic Multilingual Plane锛?BMP锛?锛?杩?涓????村????瀛?绗??ㄤ嬌??TF-16缂????訛?????瑕?涓?涓?char??????灏卞??浠ヤ?瀛???浠?缁?????杩?涓????達?搴?璇ユ??65536杩?涔?澶э???姝や?浼?璇村??瀛?????UTF-16缂????藉?琛ㄧず65536涓?瀛?绗??浣?涔?浼?璇?nicode???烘??澶?璇?瑷??㈠????65536涓?瀛?绗??浣??????蟲?沖????璇磋???surrogate pair锛?涓?涓?UTF-16琛ㄧず??澧?琛ュ??绗????涓?娆＄??锛???瑕?涓や釜char?????????借〃绀虹??瀛?绗?????鋒???借?姝ｇ‘??璇???涓哄?琛ュ??绗????涓???涓や釜??????瀛?绗????绛?妗?浣?涔??ラ??锛?灏辨????杩???瀹???绗?涓?涓?char??涓????ㄩ??浠ｇ?????村??锛?绗?浜?涓?char??涓????ㄤ?浠ｇ?????村???ュ?沖??锛?杩?涔????崇??锛?楂?浠ｇ????浣?浠ｇ??????????048涓???浣?锛?浠?0xD800??xDFFF锛???涓??藉????缁??朵?瀛?绗?????

    浣?杩???瀵?TF-16杩?绉?缂????規???瑷?锛???瀵?nicode杩??風??瀛?绗????????nicode??缂??蜂腑锛?U+D800??+DFFF??????瀛?绗?????锛?绛?妗???涔?娌℃??锛?杩????稿????瀛?绗???涓烘?逛究缂????規???????瀹???锛?浣???浠?浠?杩?涔?????????锛?褰??舵??甯????烘??澶?璇?瑷???腑??瀛?绗???涓?涓?char????UTF-16缂?????瀛?绗??藉?涓?涓?瀵瑰?锛?灏?浜?楹葷???浠?涓???浠?涔??界????TF-16涓?Unicode?村?娣辯??娓?婧?涓?缁???锛???涔?灏辨??璇達???璁?nicode杩???UTF-16缂???????瀛?绗????x0000??xFFFF杩?涓????村??锛?????63488涓?瀛?绗???杩?灏卞ソ姣???????CPU琚???寮烘?挎?ュ??澶?濯?浣?搴?????ㄥ?澶?浜?锛?CPU灏變?寰?涓?淇?姝ｈ??宸變?纭?浠朵?瀵瑰?濯?浣?搴??ㄦ??渚?????浜???

    灏界?′????匡?浣?璇村?拌????昏?寰??????稿?崇??姒?蹇碉?浠ｇ???瑰??浠ｇ????????

    浠ｇ???癸?Code Point锛?灏辨????Unicode涓?涓哄??绗???????缂??鳳?涓?涓?瀛?绗?????涓?涓?浠ｇ???癸?渚?濡???浠?璇村?闆??绗???姹???锛?瀹???浠ｇ???規??U+6C49.浠ｇ??????锛?Code Unit锛???????瀵圭????規???瑷?锛?瀹???????缂????規?涓?瀵逛?涓?瀛?绗????浠ュ??????????灏?瀛??ㄥ??????渚?濡?UTF-8涓?锛?浠ｇ????????涓?涓?瀛???锛???涓轟?涓?瀛?绗???浠ヨ?缂???涓?涓?锛?2涓?????3涓?4涓?瀛???锛???TF-16涓?锛?浠ｇ??????????浜?涓や釜瀛???锛?灏辨??涓?涓?char锛?锛???涓轟?涓?瀛?绗???浠ヨ?缂???涓?涓???2涓?char锛?浣??句??版??涓?涓?char杩?灏???UTF-16缂?????瀛?绗???垮?匡???璇村???缃?????癸?涓?涓?瀛?绗??浠?浠?瀵瑰?涓?涓?浠ｇ???癸?浣??村???芥??澶?涓?浠ｇ??????锛??沖???借?缂???涓?涓?char锛???

    浠ヤ?姒?蹇電???瀛???????缁??ｄ護锛?杩????崇??褰?浣??充互涓?绉?缁?涓????瑰???瀹???宸變嬌?ㄤ?涔?瀛?绗????跺??锛?浣跨?ㄤ唬???癸??充???璇?浣???绋?搴?锛?浣?瑕???nicode涓???绗???涓?瀛?绗???繪??姣?浣跨?ㄤ唬???????村ソ锛???涓鴻??峰????璇?浣?杩?寰??哄?????碉????跺????渚?涓?涓?16杩??舵?闆??锛????跺??瑕???渚?涓や釜锛???

    渚?濡???浠???涓?涓?澧?琛ュ??绗??锛?锛?锛?????锛?浣????頒?涓?涓????峰?瑰?э???涓烘????绯葷??劇ず涓??鴻?涓?瀛?绗??锛?瀹???nicode涓???缂??鋒??U+2F81A锛?褰??ㄧ?搴?涓???瑕?浣跨?ㄨ?涓?瀛?绗????跺??锛?灏卞??浠ヨ??鋒?ュ??锛?

    Java浠ｇ??

    String s=String.valueOf(Character.toChars(0x2F81A)); ? ? ?

    char[]chars=s.toCharArray(); ? ? ?

    for(char c:chars){ ? ? ?

    ?? ?System.out.format("%x",(short)c); ? ? ?

    } ? ?

    ???㈢??for寰?????杩?涓?瀛?绗???UTF-16缂??????頒??烘?ワ?缁?????d87edc1a娉ㄦ???頒???锛?杩?涓?瀛?绗?????浜?涓や釜char??????锛??朵腑0xd87e灏辨??楂?浠ｇ???ㄥ?????鹼?0xdc1a灏辨??浣?浠ｇ?????箋??