闈㈠悜瀵硅薄姘歌繙鏄釜鍙互鍚愭Ы鐨勮瘽棰橈紝浠庡紑濮嬫彁鍑哄埌鎺ㄥ磭澶囪嚦錛屽埌鍏呮弧璐ㄧ枒錛屼竴璺蛋鏉ヨ浜哄攺鍢樹笉宸層傞潰鍚戝璞＄殑鎬濇兂鍙皳鍘嗗彶鎮犱箙錛?0涓栫邯70騫翠唬鐨凷malltalk鍙互璇存槸闈㈠悜瀵硅薄璇█鐨勭粡鍏革紝鐩村埌浠婂ぉ鎴戜滑渚濈劧灝嗚繖闂ㄨ璦瑙嗕負闈㈠悜瀵硅薄璇█鐨勫熀紜銆?/span>
闈㈠悜瀵硅薄鏄ぇ閮ㄥ垎緙栫▼璇█鐨勫熀鏈壒鎬э紝鍍?C++銆丣ava銆丱bjective-C榪欐牱鐨勯潤鎬佽璦錛孯uby銆丳ython榪欐牱鐨勫姩鎬佽璦閮芥槸闈㈠悜瀵硅薄鐨勮璦銆備絾鏄浣曠紪鍐欓潰鍚戝璞＄殑紼嬪簭鍗翠竴鐩存槸鍥版壈浜轟滑鐨勮瘽棰橈紝鍗充嬌鏄疭malltalk錛屼篃鏈変漢璁や負榪欐槸涓涓湁緙洪櫡鐨勯潰鍚戝璞＄殑璇█瀹炵幇銆?/span>
鎴戝湪2010騫寸炕璇戣繃鐨勪竴綃嘔nfoQ鐨勬枃绔狅紝銆?a >闈㈠悜瀵硅薄緙栫▼──璧伴敊浜嗚礬銆嬩腑鎻愬埌錛岄潰鍚戝璞＄紪紼嬬殑涓変釜鍘熷垯鏄細鍩轟簬娑堟伅浼犻掓満鍒訛紝瀵硅薄鍒嗙鍜屽鎬併傛枃绔犱腑榪樹婦浜咵rlang渚嬪瓙錛岃涓篍rlang鍏峰浜嗚繖浜涘師鍒欙紝“鎵浠ュ彲鑳芥槸鍞竴鐨勯潰鍚戝璞¤璦”銆傞櫎浜嗕箣鍓嶆彁鍒扮殑涓変釜鐗瑰緛錛屽崟緇ф壙鍜屽姩鎬佺被鍨嬩篃琚紩鐢ㄤ負闈㈠悜瀵硅薄璇█鐨?#8220;緇濆闇姹?#8221;銆傚熀浜庤繖浜涜冭檻錛屾枃绔犳寚鍑猴紝Smalltalk鍦ㄥ疄鐜板璞℃濇兂鏃剁殑“閿欒”──渚嬪錛屽彧鍏蟲敞鐘舵佸拰琛屼負錛屽湪綾誨拰鍩轟簬鏄犲儚鐨勮璦閲岀己涔忚壇濂界殑騫跺彂妯″瀷鍜屾秷鎭満鍒躲?/span>
榪欑瘒鏂囩珷涓殑鏍稿績灝辨槸錛岄潰鍚戝璞℃濇兂涓櫎浜嗗璞＄殑鐘舵併佽涓猴紝榪樺簲璇ュ叧娉ㄥ叾騫跺彂鏈哄埗銆佹秷鎭満鍒訛紝鍚庤呮洿涓洪噸瑕併傝繖涓鐐逛簨瀹炰笂鏄垜鍦ㄦ帴瑙︿簡Objective-C涔嬪悗鎵嶆湁浜嗘洿娣卞叆鐨勪綋浼氥?/span>
Ojbective-C鐨勮娉曡璁′富瑕佸熀浜嶴malltalk錛岄櫎浜嗘彁渚涗紶緇熺殑闈㈠悜瀵硅薄緙栫▼鐗規т箣澶栵紝榪樺鍔犱簡寰堝綾諱技鍔ㄦ佽璦Ruby銆丳ython鎵嶅叿鏈夌殑鐗規э紝渚嬪鍔ㄦ佺被鍨嬨佸姩鎬佸姞杞姐佸姩鎬佺粦瀹氱瓑絳夛紝鍚屾椂寮哄寲浜嗘秷鎭紶閫掓満鍒跺拰琛ㄦ剰錛圛ntention Revealing Interface錛夋帴鍙ｇ殑姒傚康銆?/span>
—娑堟伅—
娑堟伅浼犻掓ā鍨嬶紙Message Passing錛夋槸Objective-C璇█鐨勬牳蹇冩満鍒躲傚湪Objective-C涓紝娌℃湁鏂規硶璋冪敤榪欑璇存硶錛屽彧鏈夋秷鎭紶閫掋傚湪C++鎴朖ava涓皟鐢ㄦ煇涓被鐨勬柟娉曪紝鍦∣bjective-C涓槸緇欒綾誨彂閫佷竴涓秷鎭傚湪C++鎴朖ava閲岋紝綾諱笌綾葷殑琛屼負鏂規硶涔嬮棿鐨勫叧緋婚潪甯哥揣瀵嗭紝涓涓柟娉曞繀瀹氬睘浜庝竴涓被錛屼笖浜庣紪璇戞椂灝卞凡緇忕粦瀹氬湪涓璧鳳紝鎵浠ヤ綘涓嶅彲鑳借皟鐢ㄤ竴涓被閲屾病鏈夌殑鏂規硶銆傝屽湪Objective-C涓氨姣旇緝綆鍗曚簡錛岀被鍜屾秷鎭箣闂存槸鏉捐﹀悎鐨勶紝鏂規硶璋冪敤鍙槸鍚戞煇涓被鍙戦佷竴涓秷鎭紝璇ョ被鍙互鍦ㄨ繍琛屾椂鍐嶇‘瀹氭庝箞澶勭悊鎺ュ彈鍒扮殑娑堟伅銆備篃灝辨槸璇達紝涓涓被涓嶄繚璇佷竴瀹氫細鍝嶅簲鎺ユ敹鍒扮殑娑堟伅錛屽鏋滄敹鍒頒簡涓涓棤娉曞鐞嗙殑娑堟伅錛岄偅涔堢▼搴忓氨鏄畝鍗曟姤涓涓敊銆傜敋鑷充綘鍙互鍚戜竴涓間負nil鐨勭┖瀵硅薄鍙戦佹秷鎭紝緋葷粺閮戒笉浼氬嚭閿欐垨瀹曟帀銆傝繖縐嶈璁℃湰韜篃姣旇緝絎﹀悎杞歡鐨勯殣鍠匯?/span>
鍦ㄨ〃鎰忔帴鍙ｏ紙Intention Revealing Interface錛夋柟闈紝Objective-C涔熸槸璁捐鐨勬瘮杈冨嚭鑹茬殑璇█銆傞潰鍚戝璞¤璦鐨勭壒鎬т箣涓灝辨槸閫氳繃API鎶婂疄鐜板皝瑁呰搗鏉ワ紝涓轟笂灞傚緩絳戞彁渚涙湇鍔°備絾鏄渶瑕佹敞鎰忕殑涓鐐瑰氨鏄紝浣犲皝瑁呯殑API鏈濂借兘澶熻璋冪敤鑰呯湅鍒版帴鍙ｆ弿榪板氨鐭ラ亾鎬庝箞浣跨敤銆傚鏋滀負浜嗕嬌鐢ㄤ竴涓狝PI蹇呴』瑕佸幓鐮旂┒瀹冪殑瀹炵幇錛岄偅涔堝氨澶卞幓浜嗗皝瑁呯殑鎰忎箟銆侽bjective-C閫氳繃鏄懼紡鐨凙PI鎻忚堪錛岃寮鍙戣呬笉鑷鐨勫啓鍑烘弧瓚寵〃鎰忔帴鍙ｇ殑API錛屾瘮濡備笅鍥句腑鐨凙PI鎻忚堪銆?/span>
涓婂浘涓弿榪頒簡涓涓紶緇熸剰涔夌殑瀹炰緥鏂規硶錛屼絾鍜孞ava鎴朇++涓嶅悓鐨勬槸錛屽叾鏂規硶鍏抽敭瀛楃敱澶氫釜瀛楃涓茬粍鎴愶紝鍦ㄨ繖涓緥瀛愭槸insertObject鍜宎tIndex錛?id)anObject鍜?(NSUInterger)index鍒嗗埆琛ㄧず鍙傛暟綾誨瀷鍜屽弬鏁板悕縐般傛暣涓柟娉曠湅涓婂幓灝卞儚涓涓嫳璇彞瀛愶紝鎴戜滑鍙互寰堝鏄撶殑鐭ラ亾錛岃繖涓柟娉曞氨鏄湪绱㈠紩涓?index澶勬彃鍏ヤ竴涓璞°傚鏋滀綘鏄粠鍏朵粬璇█杞埌Objective-C錛岄偅涔堝紑濮嬬殑鏃跺欎細鎰熻榪欑鍐欐硶鏈変簺綣佸錛屼絾鏄竴鏃︾悊瑙ｅ茍涔犳儻浜嗕綘浼氭劅鍙楀埌鍏跺法澶х殑濂藉錛岃繖縐嶅啓娉曚細寮哄埗浣犲啓鍑轟紭緹庢槗璇葷殑浠ｇ爜鍜孉PI錛岃屼笖鏈変簡XCode寮哄ぇ鐨勬彁紺哄姛鑳斤紝鍐嶉暱鐨勬柟娉曚篃鏄竴韞磋屽氨銆?/span>
涓嬮潰鎴戜滑鏉ヨ璇村鎬佸拰緇ф壙銆?/span>
涓嶫ava涓鏍鳳紝Objective-C涓鏍蜂笉鏀寔澶氶噸緇ф壙錛屼絾鏄氳繃綾誨埆錛圕ategory錛夊拰鍗忚錛圥rotocol錛夊彲浠ュ緢濂界殑瀹炵幇浠ｇ爜澶嶇敤鍜屾墿灞曘?/span>
—Category—
棣栧厛鎴戜滑鏉ヨ皥璋圕ategory銆?/span>
Objective-C鎻愪緵浜嗕竴縐嶄笌浼椾笉鍚岀殑鏂瑰紡——Catagory錛屽彲浠ュ姩鎬佺殑涓哄凡緇忓瓨鍦ㄧ殑綾繪坊鍔犳柊鐨勮涓恒傝繖鏍峰彲浠ヤ繚璇佺被鐨勫師濮嬭璁¤妯¤緝灝忥紝鍔熻兘澧炲姞鏃跺啀閫愭鎵╁睍銆備嬌鐢–ategory 瀵圭被榪涜鎵╁睍鏃訛紝涓嶉渶瑕佽闂叾婧愪唬鐮侊紝涔熶笉闇瑕佸垱寤哄瓙綾匯侰ategory浣跨敤綆鍗曠殑鏂瑰紡錛屽疄鐜頒簡綾葷殑鐩稿叧鏂規硶鐨勬ā鍧楀寲錛屾妸涓嶅悓鐨勭被鏂規硶鍒嗛厤鍒頒笉鍚岀殑鍒嗙被鏂囦歡涓?/span>
瀹炵幇璧鋒潵寰堢畝鍗曪紝鎴戜滑涓句緥璇存槑銆?/span>
SomeClass.h
@interface SomeClass : NSObject{
}
-(void) print;
@end 榪欐槸綾籗omeClass鐨勫０鏄庢枃浠訛紝鍏朵腑鍖呭惈涓涓疄渚嬫柟娉昿rint銆傚鏋滄垜浠兂鍦ㄤ笉淇敼鍘熷綾匯佷笉澧炲姞瀛愮被鐨勬儏鍐典笅錛屼負璇ョ被澧炲姞涓涓猦ello鐨勬柟娉曪紝鍙渶瑕佺畝鍗曠殑瀹氫箟涓や釜鏂囦歡 SomeClass+Hello.h鍜孲omeClass+Hello.m錛屽湪澹版槑鏂囦歡鍜屽疄鐜版枃浠朵腑鐢?#8220;()”鎶奀ategory鐨勫悕縐版嫭璧鋒潵鍗沖彲銆傚０鏄庢枃浠朵唬鐮佸涓嬶細
#import "SomeClass.h"
@interface SomeClass (Hello)
-(void)hello;
@end瀹炵幇鏂囦歡浠ｇ爜濡備笅
#import "SomeClass+Hello.h"
@implementationSomeClass (Hello)
-(void)hello{
NSLog (@"name錛?@ ", @"Jacky");
}
@end
鍏朵腑Hello鏄疌ategory鐨勫悕縐幫紝濡傛灉浣犵敤XCode鍒涘緩Category錛岄偅涔堥渶瑕佸～鍐欑殑鍐呭鍖呮嫭鍚嶇О鍜岃鎵╁睍鐨勭被鐨勫悕縐般傝繖閲岃繕鏈変竴涓害瀹氭垚淇楃殑涔犳儻錛屽皢澹版槑鏂囦歡鍜屽疄鐜版枃浠跺悕縐扮粺涓閲囩敤“鍘熺被鍚?Category”鐨勬柟寮忓懡鍚嶃?/span>
璋冪敤涔熼潪甯哥畝鍗曪紝姣棤鍘嬪姏錛屽涓嬶細
棣栧厛寮曞叆Category鐨勫０鏄庢枃浠訛紝鐒跺悗姝ｅ父璋冪敤鍗沖彲銆?/span>
#import "SomeClass+Hello.h"
SomeClass * sc =[[SomeClass alloc] init];
[sc hello] 鎵ц緇撴灉鏄細
name錛?/strong>Jacky
Category鐨勪嬌鐢ㄥ満鏅細
1銆佸綋浣犲湪瀹氫箟綾葷殑鏃跺欙紝鍦ㄦ煇浜涙儏鍐典笅錛堜緥濡傞渶姹傚彉鏇達級錛屼綘鍙兘鎯寵涓哄叾涓殑鏌愪釜鎴栧嚑涓被涓坊鍔犳柟娉曘?/span>
2銆佷竴涓被涓寘鍚簡璁稿涓嶅悓鐨勬柟娉曢渶瑕佸疄鐜幫紝鑰岃繖浜涙柟娉曢渶瑕佷笉鍚屽洟闃熺殑鎴愬憳瀹炵幇
3銆佸綋浣犲湪浣跨敤鍩虹綾誨簱涓殑綾繪椂錛屼綘鍙兘甯屾湜榪欎簺綾誨疄鐜頒竴浜涗綘闇瑕佺殑鏂規硶銆?/span>
閬囧埌浠ヤ笂榪欎簺闇姹傦紝Category鍙互甯姪浣犺В鍐抽棶棰樸傚綋鐒訛紝浣跨敤Category涔熸湁浜涢棶棰橀渶瑕佹敞鎰忥紝
1銆丆ategory鍙互璁塊棶鍘熷綾葷殑瀹炰緥鍙橀噺錛屼絾涓嶈兘娣誨姞鍙橀噺錛屽鏋滄兂娣誨姞鍙橀噺錛屽彲浠ヨ冭檻閫氳繃緇ф壙鍒涘緩瀛愮被銆?/span>
2銆丆ategory鍙互閲嶈澆鍘熷綾葷殑鏂規硶錛屼絾涓嶆帹鑽愯繖涔堝仛錛岃繖涔堝仛鐨勫悗鏋滄槸浣犲啀涔熶笉鑳借闂師鏉ョ殑鏂規硶銆傚鏋滅‘瀹炶閲嶈澆錛屾紜殑閫夋嫨鏄垱寤哄瓙綾匯?/span>
3銆佸拰鏅氭帴鍙ｆ湁鎵鍖哄埆鐨勬槸錛屽湪鍒嗙被鐨勫疄鐜版枃浠朵腑鍙互涓嶅繀瀹炵幇鎵鏈夊０鏄庣殑鏂規硶錛屽彧瑕佷綘涓嶅幓璋冪敤瀹冦?/span>
鐢ㄥソCategory鍙互鍏呭垎鍒╃敤Objective-C鐨勫姩鎬佺壒鎬э紝緙栧啓鍑虹伒媧葷畝媧佺殑浠ｇ爜銆?/span>
—Protocol—
涓嬮潰鎴戜滑鍐嶆潵鐪婸rotocol銆?/span>
Protocol錛岀畝鍗曟潵璇村氨鏄竴緋誨垪涓嶅睘浜庝換浣曠被鐨勬柟娉曞垪琛紝鍏朵腑澹版槑鐨勬柟娉曞彲浠ヨ浠諱綍綾誨疄鐜般傝繖縐嶆ā寮忎竴鑸О涓轟唬鐞嗭紙delegation錛夋ā寮忋備綘閫氳繃Protocol瀹氫箟鍚勭琛屼負錛屽湪涓嶅悓鐨勫満鏅噰鐢ㄤ笉鍚岀殑瀹炵幇鏂瑰紡銆傚湪iOS鍜孫S X寮鍙戜腑錛孉pple閲囩敤浜嗗ぇ閲忕殑浠ｇ悊妯″紡鏉ュ疄鐜癕VC涓璙iew鍜孋ontroller鐨勮В鑰︺?/span>
瀹氫箟Protocol寰堢畝鍗曪紝鍦ㄥ０鏄庢枃浠訛紙h鏂囦歡錛変腑閫氳繃鍏抽敭瀛桜protocol瀹氫箟錛岀劧鍚庣粰鍑篜rotocol鐨勫悕縐幫紝鏂規硶鍒楄〃錛岀劧鍚庣敤@end琛ㄧずProtocol緇撴潫銆傚湪@end鎸囦護緇撴潫涔嬪墠瀹氫箟鐨勬柟娉曪紝閮藉睘浜庤繖涓狿rotocol銆備緥濡傦細
@protocol ProcessDataDelegate <NSObject>
@required
- (void) processSuccessful: (BOOL)success;
@optional
- (id) submitOrder: (NSNumber *) orderid;
@end
浠ヤ笂浠ｇ爜鍙互鍗曠嫭鏀懼湪涓涓猦鏂囦歡涓紝涔熷彲浠ュ啓鍦ㄧ浉鍏崇被鐨刪鏂囦歡涓紝鍙互瑙嗗叿浣撴儏鍐佃屽畾銆傝Protocol鍖呭惈涓や釜鏂規硶錛宲rocessSuccessful鍜宻ubmitOrder銆傝繖閲岃繕鏈変袱涓叧閿瓧錛孈required鍜孈optional錛岃〃紺哄鏋滆瀹炵幇榪欎釜鍗忚錛岄偅涔坧rocessSuccessful鏂規硶鏄繀欏昏瀹炵幇鐨勶紝submitOrder鍒欐槸鍙夌殑錛岃繖涓や釜娉ㄨВ鍏抽敭瀛楁槸鍦∣bjective-C 2.0涔嬪悗鍔犲叆鐨勮娉曠壒鎬с傚鏋滀笉娉ㄦ槑錛岄偅涔堟柟娉曢粯璁ゆ槸@required鐨勶紝蹇呴』瀹炵幇銆?/span>
閭ｄ箞濡備綍瀹炵幇榪欎釜Protocol鍛紝寰堢畝鍗曪紝鍒涘緩涓涓櫘閫氱殑Objective-C綾伙紝鍙栧悕涓篢estAppDelegate錛岃繖鏃朵細鐢熸垚涓涓猦鏂囦歡鍜宮鏂囦歡銆傚湪h鏂囦歡涓紩鍏ュ寘鍚玃rotocol鐨刪鏂囦歡錛屼箣鍚庡０鏄庨噰鐢ㄨ繖涓狿rotocol鍗沖彲錛屽涓嬶細
@interface TestAppDelegate : NSObject<ProcessDataDelegate>;
@end鐢ㄥ皷鎷彿錛?lt;...>錛夋嫭璧鋒潵鐨凱rocessDataDelegate灝辨槸鎴戜滑鍒涘緩鐨凱rotocol銆傚鏋滆閲囩敤澶氫釜Protocol錛屽彲浠ュ湪灝栨嫭鍙峰唴寮曞叆澶氫釜Protocol 鍚嶇О錛屽茍鐢ㄩ楀彿闅斿紑鍗沖彲銆備緥濡?lt;ProcessDataDelegate,xxxDelegate>
m鏂囦歡濡備笅錛?/span>
@implementation TestAppDelegate
- (void) processSuccessful: (BOOL)success{
if (success) {
NSLog(@"鎴愬姛");
}else {
NSLog(@"澶辮觸");
}
}
@end
鐢變簬submitOrder鏂規硶鏄彲閫夌殑錛屾墍浠ユ垜浠彲浠ュ彧瀹炵幇processSuccessful銆?/span>
Protocol涓鑸嬌鐢ㄥ湪鍝簺鍦烘櫙鍛紵Objective-C閲岀殑Protocol鍜孞ava璇█涓殑鎺ュ彛寰堢被浼鹼紝濡傛灉涓浜涚被涔嬮棿娌℃湁緇ф壙鍏崇郴錛屼絾鏄張鍏峰鏌愪簺鐩稿悓鐨勮涓猴紝鍒欏彲浠ヤ嬌鐢?Protocol鏉ユ弿榪板畠浠殑鍏崇郴銆備笉鍚岀殑綾伙紝鍙互閬靛畧鍚屼竴涓狿rotocol錛屽湪涓嶅悓鐨勫満鏅笅娉ㄥ叆涓嶅悓鐨勫疄渚嬶紝瀹炵幇涓嶅悓鐨勫姛鑳姐傚叾涓渶甯哥敤鐨勫氨鏄鎵樹唬鐞嗘ā寮忥紝Cocoa妗嗘灦涓ぇ閲忛噰鐢ㄤ簡榪欑妯″紡瀹炵幇鏁版嵁鍜孶I鐨勫垎紱匯備緥濡俇IView浜х敓鐨勬墍鏈変簨浠訛紝閮芥槸閫氳繃濮旀墭鐨勬柟寮忎氦緇機ontroller瀹屾垚銆傛牴鎹害瀹氾紝妗嗘灦涓悗緙涓篋elegate鐨勯兘鏄疨rotocol錛屼緥濡俇IApplicationDelegate錛孶IWebViewDelegate 絳夛紝浣跨敤鏃跺ぇ瀹跺彲浠ョ暀鎰忎竴涓嬶紝浣撲細鍏剁敤娉曘?/span>
浣跨敤Protocol鏃惰繕闇瑕佹敞鎰忕殑鏄細
1銆丳rotocol鏈韓鏄彲浠ョ戶鎵跨殑錛屾瘮濡傦細
@protocol A
-(void)methodA;
@end
@protocol B <A>
-(void)methodB;
@end
濡傛灉浣犺瀹炵幇B錛岄偅涔坢ethodA鍜宮ethodB閮介渶瑕佸疄鐜般?nbsp;
2銆丳rotocol鏄被鏃犲叧鐨勶紝浠諱綍綾婚兘鍙互瀹炵幇瀹氫箟濂界殑Protocol銆傚鏋滄垜浠兂鐭ラ亾鏌愪釜綾繪槸鍚﹀疄鐜頒簡鏌愪釜Protocol錛岃繕鍙互浣跨敤conformsToProtocol榪涜鍒ゆ柇錛屽涓嬶細
[obj conformsToProtocol:@protocol(ProcessDataDelegate)] 濂藉惂錛屽叿浣撶殑璇█鐗規ц繖嬈″氨浠嬬粛榪欎箞澶氥備粠鏌愮鎰忎箟涓婃潵璇達紝Objective-C鏄竴闂ㄥ彜鑰佺殑璇█錛屽彂鏄庝簬1980騫淬?988騫達紝涔斿竷鏂殑Next鍏徃鑾峰緱浜哋bjective-C璇█鐨勬巿鏉冿紝騫跺紑鍙戝嚭浜哋bjective-C鐨勮璦搴撳拰NEXTSTEP鐨勫紑鍙戠幆澧冦侼extStep鏄互Mach鍜孊SD涓哄熀紜錛孫bjective-C鏄叾璇█鍜岃繍琛屽簱錛屽悗鏉ョ殑浜嬪ぇ瀹墮兘娓呮錛岃嫻鏋滀拱浜哊ext錛屼箶甯冩柉鍥炲綊鑻規灉錛屽紑濮嬬濂囩殑鑻規灉鎸叴涔嬭礬錛孨extStep鎴愪簡Max OS X鐨勫熀紜銆備互鍚庡彂灞曡秺鏉ヨ秺濂斤紝Objctive-C鎴愪簡Apple鐨勫綋瀹惰璦錛岀幇鍦ㄥ熀鏈笂鏄疉pple鍦ㄧ淮鎶bjctive-C鐨勫彂灞曘?/span>
鍦ㄨ嫻鏋滅殑AppStore鎺ㄥ嚭涔嬪墠錛孫bjective-C涓鐩寸浉瀵瑰皬浼楋紝浣嗘槸鍏朵紭縐鐨勮璦鐗規т技涔庝竴鐩村湪涓哄悗闈㈢殑鐖嗗彂縐搫鍔涢噺錛屽綋鑻規灉騫沖彴綰х殑搴旂敤鍑虹幇涔嬪悗錛孫bjective-C寮濮嬪ぇ鏀懼紓褰╋紝闈欐佽璦鐨勬晥鐜囧拰鍔ㄦ佽璦鐨勭壒鎬у緱鍒頒紬澶氱▼搴忓憳鐨勫枩鐖憋紝鐩墠瀹冨凡緇忎互鐏鑸殑閫熷害韞垮崌TIOBE璇█鎺掕鐗堢鍥涗綅銆?/span>
瀵逛簬鍠滅埍鑻規灉鎶鏈殑鎶鏈漢鍛樻潵璇達紝Objective-C鏄綘蹇呴』娣卞叆浜嗚В鍜屽煎緱瀛︿範鐨勪竴闂ㄨ璦錛屽笇鏈涗互鍚庢湁鏈轟細澶氬啓涓浜涚浉鍏崇殑鏂囩珷銆?br />
杞澆浜庯細http://www.cnblogs.com/chijianqiang/archive/2012/06/22/objc-category-protocol.html
杞澆浜庯細http://www.cnblogs.com/chijianqiang/archive/2012/06/22/objc-category-protocol.html