锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲日本中文字幕,韩国一区二区在线观看,99国产精品自拍http://www.shnenglu.com/wstonep/Step By Stepzh-cnSun, 24 Aug 2025 03:08:43 GMTSun, 24 Aug 2025 03:08:43 GMT60銆愯漿銆戝鍒舵瀯閫犲嚱鏁幫紙鎷瘋礉鏋勯犲嚱鏁幫級http://www.shnenglu.com/wstonep/archive/2010/04/14/112536.htmlwstonepwstonepWed, 14 Apr 2010 03:03:00 GMThttp://www.shnenglu.com/wstonep/archive/2010/04/14/112536.htmlhttp://www.shnenglu.com/wstonep/comments/112536.htmlhttp://www.shnenglu.com/wstonep/archive/2010/04/14/112536.html#Feedback0http://www.shnenglu.com/wstonep/comments/commentRss/112536.htmlhttp://www.shnenglu.com/wstonep/services/trackbacks/112536.html杞嚜姝ゅ錛岃矊浼煎崥涓諱篃鏄漿鍒漢鐨?/a>

涔熻寰堝C++鐨勫垵瀛﹁呴兘鐭ラ亾浠涔堟槸鏋勯犲嚱鏁幫紝浣嗘槸瀵?span style="font-weight: bold;">澶嶅埗鏋勯犲嚱鏁?/span>錛坈opy constructor錛夊嵈榪樺緢闄岀敓銆傚浜庢垜鏉ヨ錛屽湪鍐欎唬鐮佺殑鏃跺欒兘鐢ㄥ緱涓婂鍒舵瀯閫犲嚱鏁扮殑鏈轟細(xì)騫朵笉澶氾紝涓嶈繃榪欏茍涓嶈鏄庡鍒舵瀯閫犲嚱鏁版病浠涔堢敤錛屽叾瀹炲鍒舵瀯閫犲嚱鏁拌兘瑙e喅涓浜涙垜浠父甯鎬細(xì)蹇界暐鐨勯棶棰樸?/font>
       涓轟簡璇存槑澶嶅埗鏋勯犲嚱鏁頒綔鐢紝鎴戝厛璇磋鎴戜滑鍦ㄧ紪紼嬫椂浼?xì)閬囧埌鐨勪竴浜涢棶棰樸? 瀵逛簬C++涓殑鍑芥暟錛屾垜浠簲璇ュ緢鐔熸?zhèn)変簡锛屽洜湄?fù)騫沖父緇忓父浣跨敤錛涘浜庣被鐨勫璞★紝鎴戜滑涔熷緢鐔熸?zhèn)夊Q屽洜涓烘垜浠篃緇忓父鍐欏悇縐嶅悇鏍風(fēng)殑綾伙紝浣跨敤鍚勭鍚勬牱鐨勫璞★紱瀵逛簬鎸囬拡鐨? 鎿嶄綔錛屾垜浠篃涓嶉檶鐢熷惂錛熷棷錛屽鏋滀綘榪樹笉浜嗚В涓婇潰涓変釜姒傚康鐨勮瘽錛屾垜鎯寵繖綃囨枃绔犱笉澶傚悎浣狅紝涓嶈繃鐪嬬湅涔熸棤紕峖_^銆傛垜浠粡甯鎬嬌鐢ㄥ嚱鏁幫紝浼犻掕繃鍚勭鍚勬牱鐨勫弬鏁扮粰 鍑芥暟錛屼笉榪囨妸瀵硅薄錛堟敞鎰忔槸瀵硅薄錛岃屼笉鏄璞$殑鎸囬拡鎴栧璞$殑寮曠敤錛夊綋浣滃弬鏁頒紶緇欏嚱鏁扮殑鎯呭喌鎴戜滑搴旇姣旇緝?yōu)畱閬囪鍚уQ岃屼笖榪欎釜瀵硅薄鐨勬瀯閫犲嚱鏁拌繕娑夊強(qiáng)鍒頒竴浜涘唴瀛樺垎閰嶇殑鎿嶄綔銆傚棷錛岃繖鏍蜂細(xì)鏈変粈涔堥棶棰樺憿錛?/font>
       鎶婂弬鏁頒紶閫掔粰鍑芥暟鏈変笁縐嶆柟娉曪紝涓縐嶆槸鍊間紶閫?/span>錛屼竴縐嶆槸浼犲湴鍧錛?/span>榪樻湁涓縐? 鏄?span style="font-weight: bold;">浼犲紩鐢?/span>銆傚墠鑰呬笌鍚庝袱鑰呬笉鍚岀殑鍦版柟鍦ㄤ簬錛氬綋浣跨敤鍊間紶閫掔殑鏃跺欙紝浼?xì)鍦ㄥ嚱鏁伴噷闈㈢敓鎴?span style="color: red;">浼犻掑弬鏁扮殑涓涓壇鏈?/span>錛岃繖涓壇鏈殑鍐呭鏄寜浣嶄粠鍘熷鍙傛暟閭i噷澶嶅埗榪囨潵鐨勶紝涓よ? 鐨勫唴瀹規(guī)槸鐩稿悓鐨勩傚綋鍘熷鍙傛暟鏄竴涓被鐨勫璞℃椂錛屽畠涔熶細(xì)浜х敓涓涓璞$殑鍓湰錛屼笉榪囧湪榪欓噷瑕佹敞鎰忋備竴鑸璞′駭鐢熸椂閮戒細(xì)瑙﹀彂鏋勯犲嚱鏁扮殑鎵ц錛屼絾鏄湪浜х敓瀵硅薄鐨勫壇 鏈椂鍗翠笉浼?xì)杩欐狓P紝榪欐椂鎵ц鐨勬槸瀵硅薄鐨勫鍒舵瀯閫犲嚱鏁般?/span>涓轟粈涔堜細(xì)榪欐牱錛熷棷錛屼竴鑸殑鏋勯犲嚱鏁伴兘鏄細(xì)瀹屾垚涓浜涙垚鍛樺睘鎬у垵濮嬪寲鐨勫伐浣滐紝鍦ㄥ璞′紶閫掔粰鏌愪竴鍑芥暟涔嬪墠錛屽 璞$殑涓浜涘睘鎬у彲鑳藉凡緇忚鏀瑰彉浜嗭紝濡傛灉鍦ㄤ駭鐢熷璞″壇鏈殑鏃跺欏啀鎵ц瀵硅薄鐨勬瀯閫犲嚱鏁幫紝閭d箞榪欎釜瀵硅薄鐨勫睘鎬у張鍐嶆仮澶嶅埌鍘熷鐘舵侊紝榪欏茍涓嶆槸鎴戜滑鎯寵鐨勩傛墍浠ュ湪浜х敓瀵硅薄鍓湰鐨勬椂鍊欙紝鏋勯犲嚱鏁頒笉浼?xì)琚墽琛屽Q岃鎵ц鐨勬槸涓涓粯璁ょ殑鏋勯犲嚱鏁般?span style="font-weight: bold;">褰撳嚱鏁版墽琛屽畬姣曡榪斿洖鐨勬椂鍊欙紝瀵硅薄鍓湰浼?xì)鎵ц鏋愭瀯鍑芥?/span>錛? 濡傛灉浣犵殑鏋愭瀯鍑芥暟鏄┖鐨勮瘽錛? 灝變笉浼?xì)鍙戠敓浠涔堥棶棰橈紝浣嗕竴鑸殑鏋愭瀯鍑芥暟閮芥槸瑕佸畬鎴愪竴浜涙竻鐞嗗伐浣滐紝濡傞噴鏀炬寚閽堟墍鎸囧悜鐨勫唴瀛樼┖闂淬傝繖鏃跺欓棶棰樺氨鍙兘瑕佸嚭鐜頒簡銆傚亣濡備綘鍦ㄦ瀯閫犲嚱鏁伴噷闈負(fù)涓涓寚閽? 鍙橀噺鍒嗛厤浜嗗唴瀛橈紝鍦ㄦ瀽鏋勫嚱鏁伴噷闈㈤噴鏀懼垎閰嶇粰榪欎釜鎸囬拡鎵鎸囧悜鐨勫唴瀛樼┖闂達(dá)紝閭d箞鍦ㄦ妸瀵硅薄浼犻掔粰鍑芥暟鑷沖嚱鏁扮粨鏉熻繑鍥炶繖涓榪囩▼浼?xì)鍙戠敓浠涔堜簨鎯呭憿錛熼鍏堟湁涓涓璞$殑 鍓湰浜х敓浜嗭紝榪欎釜鍓湰涔熸湁涓涓寚閽堬紝瀹冨拰鍘熷瀵硅薄鐨勬寚閽堟槸鎸囧悜鍚屽潡鍐呭瓨絀洪棿鐨勩傚嚱鏁拌繑鍥炴椂錛屽璞$殑鏋愭瀯鍑芥暟琚墽琛屼簡錛屽嵆閲婃斁浜嗗璞″壇鏈噷闈㈡寚閽堟墍鎸囧悜鐨勫唴 瀛樼┖闂達(dá)紝浣嗘槸榪欎釜鍐呭瓨絀洪棿瀵瑰師濮嬪璞¤繕鏄湁鐢ㄧ殑鍟婏紝灝辯▼搴忔湰韜岃█錛岃繖鏄竴涓弗閲嶇殑閿欒銆傜劧鑰岄敊璇繕娌$粨鏉燂紝褰撳師濮嬪璞′篃琚攢姣佺殑鏃跺欙紝鏋愭瀯鍑芥暟鍐嶆鎵? 琛岋紝瀵瑰悓涓鍧楃郴緇熷姩鎬佸垎閰嶇殑鍐呭瓨絀洪棿閲婃斁涓ゆ鏄竴涓湭鐭ョ殑鎿嶄綔錛屽皢浼?xì)漶旂敓涓ラ噸鐨勯敊璇?/font>
       涓婇潰璇寸殑灝辨槸鎴戜滑浼?xì)閬囧埌鐨勯棶棰樸傝В鍐抽棶棰樼殑鏂規(guī)硶鏄粈涔堝憿錛熼鍏堟垜浠兂 鍒扮殑鏄笉瑕佷互浼犲肩殑鏂瑰紡鏉ヤ紶閫掑弬鏁幫紝鎴戜滑鍙互鐢ㄤ紶鍦板潃鎴栦紶寮曠敤銆傛病閿欙紝榪欐牱鐨勭‘鍙互閬垮厤涓婇潰鐨勬儏鍐碉紝鑰屼笖鍦ㄥ厑璁哥殑鎯呭喌涓嬶紝浼犲湴鍧鎴栦紶寮曠敤鏄渶濂界殑鏂規(guī)硶錛屼絾 榪欏茍涓嶉傚悎鎵鏈夌殑鎯呭喌錛屾湁鏃舵垜浠笉甯屾湜鍦ㄥ嚱鏁伴噷闈㈢殑涓浜涙搷浣滀細(xì)褰卞搷鍒板嚱鏁板閮ㄧ殑鍙橀噺銆傞偅瑕佹庝箞鍔炲憿錛熷彲浠ュ埄鐢ㄥ鍒舵瀯閫犲嚱鏁版潵瑙e喅榪欎竴闂銆?span style="font-weight: bold;">澶嶅埗鏋勯犲嚱鏁板氨鏄湪浜х敓瀵硅薄鍓湰鐨勬椂鍊欐墽琛岀殑錛屾垜浠彲浠ュ畾涔夎嚜宸辯殑澶嶅埗鏋勯犲嚱鏁般?span style="color: red;">鍦ㄥ鍒舵瀯閫犲嚱鏁伴噷闈㈡垜浠敵璇蜂竴涓柊鐨勫唴瀛樼┖闂存潵淇濆瓨鏋勯犲嚱鏁伴噷闈㈢殑閭d釜鎸囬拡鎵鎸囧悜鐨勫唴瀹?/span>銆傝繖鏍峰湪鎵ц瀵硅薄鍓湰鐨勬瀽鏋勫嚱鏁版椂錛岄噴鏀劇殑灝辨槸澶嶅埗鏋勯犲嚱鏁伴噷闈㈡墍鐢寵鐨勯偅涓唴瀛樼┖闂淬?/font>
       闄や簡灝嗗璞′紶閫掔粰鍑芥暟鏃朵細(xì)瀛樺湪浠ヤ笂闂錛岃繕鏈変竴縐嶆儏鍐典篃浼?xì)瀛樺湪浠ヤ笂闂锛尀鏄?span style="font-weight: bold;">褰撳嚱鏁拌繑鍥炲璞℃椂錛屼細(xì)浜х敓涓涓復(fù)鏃跺璞?/span>錛岃繖涓復(fù)鏃跺璞″拰瀵硅薄鐨勫壇鏈ц川宸笉澶氥?/font>
鎷瘋礉鏋勯犲嚱鏁?/span>錛岀粡甯歌縐頒綔X(X&)錛屾槸涓縐嶇壒孌婄殑鏋勯犲嚱鏁幫紝浠?span style="color: red;">鐢辯紪璇戝櫒璋冪敤鏉ュ畬鎴愪竴浜涘熀浜庡悓涓綾葷殑鍏朵粬瀵硅薄鐨勬瀯浠跺強(qiáng)鍒濆鍖栥傚畠鐨勫敮涓鐨勪竴涓弬鏁幫紙瀵硅薄鐨勫紩鐢級鏄笉鍙彉鐨勶紙鍥犱負(fù)鏄痗onst鍨嬬殑錛夈傝繖涓嚱鏁扮粡甯哥敤鍦ㄥ嚱鏁拌皟鐢ㄦ湡闂翠簬鐢ㄦ埛瀹氫箟綾誨瀷鐨勫間紶閫掑強(qiáng)榪斿洖銆?span style="color: red;">鎷瘋礉鏋勯犲嚱鏁拌璋冪敤鍩虹被鐨勬嫹璐濇瀯閫犲嚱鏁板拰鎴愬憳鍑芥暟銆傚鏋滃彲浠ョ殑璇濓紝瀹冨皢鐢ㄥ父閲忔柟寮忚皟鐢紝鍙﹀錛屼篃鍙互鐢ㄩ潪甯擱噺鏂瑰紡璋冪敤銆?
鍦–++涓紝涓嬮潰涓夌瀵硅薄闇瑕佹嫹璐濈殑鎯呭喌銆傚洜姝わ紝鎷瘋礉鏋勯犲嚱鏁板皢浼?xì)琚皟鐢ㄣ?
1)錛?涓涓璞′互鍊間紶閫掔殑鏂瑰紡浼犲叆鍑芥暟浣?
2)錛?涓涓璞′互鍊間紶閫掔殑鏂瑰紡浠庡嚱鏁拌繑鍥?
3)錛?涓涓璞¢渶瑕侀氳繃鍙﹀涓涓璞¤繘琛屽垵濮嬪寲
浠? 涓婄殑鎯呭喌闇瑕佹嫹璐濇瀯閫犲嚱鏁扮殑璋冪敤銆傚鏋滃湪鍓嶄袱縐嶆儏鍐典笉浣跨敤鎷瘋礉鏋勯犲嚱鏁扮殑鏃跺欙紝灝變細(xì)瀵艱嚧涓涓寚閽堟寚鍚戝凡緇忚鍒犻櫎鐨勫唴瀛樼┖闂淬?span style="color: red;">瀵逛簬絎笁縐嶆儏鍐墊潵璇達(dá)紝鍒濆鍖栧拰璧嬪肩殑涓嶅悓鍚箟鏄瀯閫犲嚱鏁拌皟鐢ㄧ殑鍘熷洜銆?/span>浜嬪疄涓婏紝鎷瘋礉鏋勯犲嚱鏁版槸鐢辨櫘閫氭瀯閫犲嚱鏁板拰璧嬪兼搷浣滅鍏卞悓瀹炵幇鐨勩傛弿榪版嫹璐濇瀯閫犲嚱鏁板拰璧嬪艱繍綆楃鐨勫紓鍚岀殑鍙傝冭祫鏂欐湁寰堝銆?
鎷瘋礉鏋勯犲嚱鏁頒笉鍙互鏀瑰彉瀹冩墍寮曠敤鐨勫璞?/span>錛屽叾鍘熷洜濡備笅錛氬綋涓涓璞′互浼犻掑肩殑鏂瑰紡浼犱竴涓嚱鏁扮殑鏃跺欙紝鎷瘋礉鏋勯犲嚱鏁拌嚜鍔ㄧ殑琚皟鐢ㄦ潵鐢熸垚鍑芥暟涓殑瀵硅薄銆傚鏋滀竴涓璞℃槸琚紶鍏ヨ嚜宸辯殑鎷瘋礉鏋勯犲嚱鏁幫紝瀹冪殑鎷瘋礉鏋勯犲嚱鏁板皢浼?xì)琚皟鐢ㄦ潵鎷疯礉杩欎釜瀵硅薄杩欐牱澶嶅埗鎵嶅彲浠ヤ紶鍏ュ畠鑷忿q殑鎷瘋礉鏋勯犲嚱鏁幫紝榪欎細(xì)瀵艱嚧鏃犻檺寰? 鐜?
闄や簡褰撳璞′紶鍏ュ嚱鏁扮殑鏃跺欒闅愬紡璋冪敤浠ュ錛屾嫹璐濇瀯閫犲嚱鏁板湪瀵硅薄琚嚱鏁拌繑鍥炵殑鏃跺欎篃鍚屾牱鐨勮璋冪敤銆傛崲鍙ヨ瘽璇達(dá)紝浣犱粠鍑芥暟榪斿洖寰楀埌鐨勫彧鏄璞$殑涓浠芥嫹璐濄備絾鏄悓鏍風(fēng)殑錛屾嫹璐濇瀯閫犲嚱鏁拌姝g‘鐨勮皟鐢ㄤ簡錛屼綘涓嶅繀鎷呭績銆?
濡傛灉鍦ㄧ被涓病鏈夋樉寮忕殑澹版槑涓涓嫹璐濇瀯閫犲嚱鏁幫紝閭d箞錛岀紪璇戝櫒浼?xì)绉佷笅閲屼皋Z綘鍒跺畾涓涓嚱鏁版潵榪涜瀵硅薄涔嬮棿鐨勪綅鎷瘋礉錛坆itwise copy錛夈傝繖涓殣鍚殑鎷瘋礉鏋勯犲嚱鏁扮畝鍗曠殑鍏寵仈浜嗘墍鏈夌殑綾繪垚鍛樸傝澶氫綔鑰呴兘浼?xì)鎻愬強(qiáng)杩欎釜榛樿鐨勬嫰偞濇瀯閫犲嚱鏁般傛敞鎰忓埌榪欎釜闅愬紡鐨勬嫹璐濇瀯閫犲嚱鏁板拰鏄懼紡澹版槑鐨勬嫹璐濇瀯閫犲嚱鏁扮殑涓嶅悓鍦ㄤ簬瀵逛簬鎴愬憳鐨勫叧鑱旀柟寮忋傛樉寮忓0鏄庣殑鎷瘋礉鏋勯犲嚱鏁板叧鑱旂殑鍙槸琚疄渚嬪寲鐨勭被鎴愬憳鐨勭己鐪佹瀯閫犲嚱鏁伴櫎闈炲彟澶栦竴涓瀯閫犲嚱鏁板湪綾誨垵濮嬪寲鎴栬呭湪鏋勯犲垪琛ㄧ殑鏃跺欒璋冪敤銆?
鎷瘋礉鏋勯犲嚱鏁頒嬌紼嬪簭鏇村姞鏈夋晥鐜囷紝鍥犱負(fù)瀹冧笉鐢ㄥ啀鏋勯犱竴涓璞$殑鏃跺欐敼鍙樻瀯閫犲嚱鏁扮殑鍙傛暟鍒楄〃銆傝璁℃嫹璐濇瀯閫犲嚱鏁版槸涓涓壇濂界殑椋庢牸錛屽嵆浣挎槸緙栬瘧緋葷粺鎻愪緵鐨勫府鍔╀綘鐢寵鍐呭瓨榛樿鎷瘋礉鏋勯犲嚱鏁般備簨瀹炰笂錛岄粯璁ゆ嫹璐濇瀯閫犲嚱鏁板彲浠ュ簲浠樿澶氭儏鍐點(diǎn)?/font>
闄勫彟澶栦竴綃囧叧浜庡鍒舵瀯閫犲嚱鏁扮殑鏂囩珷錛?/strong>

瀵逛竴涓畝鍗曞彉閲忕殑鍒濆鍖栨柟娉曟槸鐢ㄤ竴涓父閲忔垨鍙橀噺鍒濆鍖栧彟涓涓彉閲忥紝渚嬪錛?br>

int m = 80錛?br>int n = m錛?/span>

銆銆鎴戜滑宸茬粡浼?xì)鐢ㄦ瀯閫犲嚱鏁板垵濮嬪寲瀵硅薄錛岄偅涔堟垜浠兘涓嶈兘璞$畝鍗曞彉閲忕殑鍒濆鍖栦竴鏍鳳紝鐩存帴鐢ㄤ竴涓璞℃潵鍒濆鍖栧彟涓涓璞″憿錛熺瓟妗堟槸鑲畾鐨勩傛垜浠互鍓嶉潰瀹氫箟鐨凱oint綾諱負(fù)渚嬶細(xì)
Point pt1(1525);
Point pt2 
= pt1;

鍚庝竴涓鍙ヤ篃鍙互鍐欐垚錛?br>
Point pt2( pt1);

瀹? 鏄敤pt1鍒濆鍖杙t2錛屾鏃訛紝pt2鍚勪釜鎴愬憳鐨勫間笌pt1鍚勪釜鎴愬憳鐨勫肩浉鍚岋紝涔熷氨鏄錛宲t1鍚勪釜鎴愬憳鐨勫艱澶嶅埗鍒皃t2鐩稿簲鐨勬垚鍛樺綋涓傚湪榪欎釜鍒濆鍖? 榪囩▼褰撲腑錛屽疄闄呬笂璋冪敤浜嗕竴涓鍒舵瀯閫犲嚱鏁般傚綋鎴戜滑娌℃湁鏄懼紡瀹氫箟涓涓鍒舵瀯閫犲嚱鏁版椂錛岀紪璇戝櫒浼?xì)闅愬紡瀹氫箟涓涓己鐪佺殑澶嶅埗鏋勯犲嚱鏁幫紝瀹冩槸涓涓唴鑱旂殑銆佸叕鏈夌殑鎴? 鍛橈紝瀹冨叿鏈変笅闈㈢殑鍘熷瀷褰㈠紡錛?br>
Point:: Point (const Point &);

鍙錛屽鍒舵瀯閫犲嚱鏁頒笌鏋勯犲嚱鏁扮殑涓嶅悓涔嬪鍦ㄤ簬褰㈠弬錛屽墠鑰呯殑褰㈠弬鏄疨oint瀵硅薄鐨勫紩鐢紝鍏跺姛鑳芥槸灝嗕竴涓璞$殑姣忎竴涓垚鍛樺鍒跺埌鍙︿竴涓璞″搴旂殑鎴愬憳褰撲腑銆?br>銆銆铏界劧娌℃湁蹇呰錛屾垜浠篃鍙互涓篜oint綾繪樉寮忓畾涔変竴涓鍒舵瀯閫犲嚱鏁幫細(xì)
Point:: Point (const Point &pt)
{
銆銆xVal
=pt. xVal;
銆銆yVal
=pt. yVal;

濡傛灉涓涓被涓湁鎸囬拡鎴愬憳錛屼嬌鐢ㄧ己鐪佺殑澶嶅埗鏋勯犲嚱鏁板垵濮嬪寲瀵硅薄灝變細(xì)鍑虹幇闂銆備負(fù)浜嗚鏄庡瓨鍦ㄧ殑闂錛屾垜浠亣瀹氬璞涓庡璞鏄浉鍚岀殑綾伙紝鏈変竴涓寚閽堟垚鍛橈紝鎸? 鍚戝璞銆傚綋鐢ㄥ璞鍒濆鍖栧璞鏃訛紝緙虹渷鐨勫鍒舵瀯閫犲嚱鏁板皢B涓瘡涓涓垚鍛樼殑鍊煎鍒跺埌A鐨勫搴旂殑鎴愬憳褰撲腑錛屼絾騫舵病鏈夊鍒跺璞銆備篃灝辨槸璇達(dá)紝瀵硅薄A鍜屽璞 涓殑鎸囬拡鎴愬憳鍧囨寚鍚戝璞錛屽疄闄呬笂錛屾垜浠笇鏈涘璞涔熻澶嶅埗錛屽緱鍒癈鐨勫璞″壇鏈珼銆傚惁鍒欙紝褰撳璞鍜孊閿姣佹椂錛屼細(xì)瀵瑰璞鐨勫唴瀛樺尯閲嶅閲婃斁錛岃屽鑷撮敊璇? 涓轟簡浣垮璞涔熻澶嶅埗錛屽氨蹇呴』鏄懼紡瀹氫箟澶嶅埗鏋勯犲嚱鏁般備笅闈㈡垜浠互string綾諱負(fù)渚嬭鏄庯紝濡備綍瀹氫箟榪欎釜澶嶅埗鏋勯犲嚱鏁般?

渚嬮
渚?0-11
 
 1 class String
 2 {
 3 public:
 4 銆銆String(); //鏋勯犲嚱鏁?/span>
 5 銆銆String(const String &s); //澶嶅埗鏋勯犲嚱鏁?/span>
 6 銆銆~String(); //鏋愭瀯鍑芥暟
 7 
 8 銆銆// 鎺ュ彛鍑芥暟
 9 銆銆void set(char const *data);
10 銆銆char const *get(void);
11 
12 private:
13 銆銆char *str; //鏁版嵁鎴愬憳ptr鎸囧悜鍒嗛厤鐨勫瓧絎︿覆
14 };
15 String ::String(const String &s)
16 {
17 銆str = new char[strlen(s.str) + 1];
18 銆strcpy(str, s.str);
19 }

鎴戜滑涔熷父鐢ㄦ棤鍚嶅璞″垵濮嬪寲鍙︿竴涓璞★紝渚嬪錛?br>

Point pt = Point(1020);

銆銆綾誨悕鐩存帴璋冪敤鏋勯犲嚱鏁板氨鐢熸垚浜嗕竴涓棤鍚嶅璞★紝涓婂紡鐢ㄥ乏杈圭殑鏃犲悕瀵硅薄鍒濆鍖栧彸杈圭殑pt瀵硅薄銆?br>銆銆鏋勯犲嚱鏁拌璋冪敤閫氬父鍙戠敓鍦ㄤ互涓嬩笁縐嶆儏鍐碉紝絎竴縐嶆儏鍐靛氨鏄垜浠笂闈㈢湅鍒扮殑錛氱敤涓涓璞″垵濮嬪寲鍙︿竴涓璞℃椂錛涚浜岀鎯呭喌鏄綋瀵硅薄浣滃嚱鏁板弬鏁幫紝瀹炲弬浼犵粰褰㈠弬鏃訛紱絎笁縐嶆儏鍐墊槸紼嬪簭榪愯榪囩▼涓垱寤哄叾瀹冧復(fù)鏃跺璞℃椂銆備笅闈㈡垜浠啀涓句竴涓緥瀛愶紝灝辯浜岀鎯呭喌鍜岀涓夌鎯呭喌榪涜璇存槑錛?br>
Point foo(Point pt)
銆銆{
銆銆銆…
銆銆銆
return銆pt;
銆銆}
銆銆
void main()
銆銆{
銆銆銆Point pt1 
= Point(1020);
銆銆銆Point pt2;
銆銆銆…
銆銆銆pt2
=foo(pt);
銆銆銆…
銆銆}

銆銆鍦╩ain鍑芥暟涓皟鐢╢oo鍑芥暟鏃訛紝瀹炲弬pt浼犵粰褰㈠弬pt錛屽皢瀹炲弬pt澶嶅埗緇欏艦鍙俻t錛岃璋冪敤澶嶅埗鏋勯犲嚱鏁幫紝褰撳嚱鏁癴oo榪斿洖鏃訛紝瑕佸垱寤轟竴涓猵t鐨勪復(fù)鏃跺璞★紝姝ゆ椂涔熻璋冪敤澶嶅埗鏋勯犲嚱鏁般?

 

緙虹渷鐨勫鍒舵瀯閫犲嚱鏁?br>銆銆鍦ㄧ被鐨勫畾涔変腑錛屽鏋滄病鏈夋樉寮忓畾涔夊鍒舵瀯閫犲嚱鏁幫紝C++緙栬瘧鍣ㄤ細(xì)鑷姩鍦板畾涔変竴涓己鐪佺殑澶嶅埗鏋勯犲嚱鏁般備笅闈㈡槸浣跨敤澶嶅埗鏋勯犲嚱鏁扮殑涓涓緥瀛愶細(xì)

渚嬮
渚?0-12
 
 1 #include <iostream.h>
 2 #include <string.h>
 3 class withCC
 4 {
 5 public:
 6 銆withCC(){}
 7 銆withCC(const withCC&)
 8 銆{
 9 銆銆cout<<"withCC(withCC&)"<<endl;
10 銆}
11 };
12 
13 class woCC
14 {
15 enum{bsz = 100};
16 char buf[bsz];
17 public:
18 銆woCC(const char* msg = 0)
19 銆{
20 銆銆memset(buf, 0, bsz);
21 銆銆if(msg) strncpy(buf, msg, bsz);
22 銆}
23 void print(const char* msg = 0)const
24 銆{
25 銆銆if(msg) cout<<msg<<":";
26 銆銆cout<<buf<<endl;
27 銆}
28 };
29 
30 class composite
31 {
32 銆withCC WITHCC;
33 銆woCC WOCC;
34 public:
35 銆composite() : WOCC("composite()"){}
36 void print(const char* msg = 0)
37 銆{
38 銆銆WOCC.print(msg);
39 銆}
40 };
41 
42 void main()
43 {
44 銆composite c;
45 銆c.print("contents of c");
46 銆cout<<"calling composite copy-constructor"<<endl;
47 銆composite c2 = c;
48 銆c2.print("contents of c2");
49 

綾粀ithCC鏈変竴涓鍒舵瀯閫犲嚱鏁幫紝綾粀oCC鍜岀被composite閮芥病鏈夋樉寮忓畾涔夊鍒舵瀯閫犲嚱鏁般傚鏋滃湪綾諱腑娌℃湁鏄懼紡瀹氫箟澶嶅埗鏋勯犲嚱鏁幫紝鍒欑紪璇戝櫒灝嗚嚜鍔ㄥ湴鍒涘緩涓涓己鐪佺殑鏋勯犲嚱鏁般備笉榪囧湪榪欑鎯呭喌涓嬶紝榪欎釜鏋勯犲嚱鏁頒粈涔堜篃涓嶄綔銆?br>銆銆綾籧omposite鏃㈠惈鏈墂ithCC綾葷殑鎴愬憳瀵硅薄鍙堝惈鏈墂oCC綾葷殑鎴愬憳瀵硅薄錛屽畠浣跨敤鏃犲弬鐨勬瀯閫犲嚱鏁板垱寤簑ithCC綾葷殑瀵硅薄WITHCC錛堟敞鎰忓唴宓岀殑瀵硅薄WOCC鐨勫垵濮嬪寲鏂規(guī)硶錛夈?br>銆銆鍦╩ain()鍑芥暟涓紝璇彞錛?br>銆銆composite c2 = c;
閫氳繃瀵硅薄C鍒濆鍖栧璞2錛岀己鐪佺殑澶嶅埗鏋勯犲嚱鏁拌璋冪敤銆?br>銆銆鏈濂界殑鏂規(guī)硶鏄垱寤鴻嚜宸辯殑澶嶅埗鏋勯犲嚱鏁拌屼笉瑕佹寚鏈涚紪璇戝櫒鍒涘緩錛岃繖鏍峰氨鑳戒繚璇佺▼搴忓湪鎴戜滑鑷繁鐨勬帶鍒朵箣涓嬨?

wstonep 2010-04-14 11:03 鍙戣〃璇勮
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Never Too late to learnhttp://www.shnenglu.com/wstonep/archive/2010/04/13/112403.htmlwstonepwstonepMon, 12 Apr 2010 18:09:00 GMThttp://www.shnenglu.com/wstonep/archive/2010/04/13/112403.htmlhttp://www.shnenglu.com/wstonep/comments/112403.htmlhttp://www.shnenglu.com/wstonep/archive/2010/04/13/112403.html#Feedback0http://www.shnenglu.com/wstonep/comments/commentRss/112403.htmlhttp://www.shnenglu.com/wstonep/services/trackbacks/112403.html       涓嶇鎬庢牱錛屼笉鑳藉仛楗挎鍦ㄥ共鑽夊爢涔嬮棿鐨勯┐錛岃繖涓椂鍊欓渶瑕佺殑鏄煁澶磋嫤鍚冿紒錛侊紒



wstonep 2010-04-13 02:09 鍙戣〃璇勮
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