锘??xml version="1.0" encoding="utf-8" standalone="yes"?>男人的天堂亚洲一区二区三区 ,亚洲熟妇av一区二区三区,亚洲日韩av无码http://m.tkk7.com/javascript/javazh-cnFri, 16 May 2025 01:36:21 GMTFri, 16 May 2025 01:36:21 GMT60vc紼嬪簭緙栬瘧娉ㄦ剰 http://m.tkk7.com/javascript/archive/2007/12/19/168768.html浠樿僵浠樿僵Wed, 19 Dec 2007 07:52:00 GMThttp://m.tkk7.com/javascript/archive/2007/12/19/168768.htmlhttp://m.tkk7.com/javascript/comments/168768.htmlhttp://m.tkk7.com/javascript/archive/2007/12/19/168768.html#Feedback0http://m.tkk7.com/javascript/comments/commentRss/168768.htmlhttp://m.tkk7.com/javascript/services/trackbacks/168768.html鑷姩鐢熸垚鐨勫伐紼嬫枃浠墮厤緗殑PreprocessorDefinitions 鏄?WIN32;_DEBUG;_WINDOWS
闇瑕佹敼鎴?PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;UNICODE;_WIN32_WINNT=0x0501"

鏈夌殑欏圭洰緙栬瘧涓嶄簡鏄洜涓?CharacterSet 鐨勯棶棰?/p>

浠樿僵 2007-12-19 15:52 鍙戣〃璇勮
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C++http://m.tkk7.com/javascript/archive/2007/12/12/167121.html浠樿僵浠樿僵Wed, 12 Dec 2007 01:18:00 GMThttp://m.tkk7.com/javascript/archive/2007/12/12/167121.htmlhttp://m.tkk7.com/javascript/comments/167121.htmlhttp://m.tkk7.com/javascript/archive/2007/12/12/167121.html#Feedback0http://m.tkk7.com/javascript/comments/commentRss/167121.htmlhttp://m.tkk7.com/javascript/services/trackbacks/167121.html銆銆鏈変簺瀛﹁呭緩璁繖鏍鋒壘“瀵硅薄”錛氬垎鏋愪竴涓彞瀛愮殑璇硶錛屾壘鍑哄悕璇嶅拰鍔ㄨ瘝錛屽悕璇嶅氨鏄璞★紝鍔ㄨ瘝鍒欐槸瀵硅薄鐨勬柟娉曪紙鍗沖嚱鏁幫級銆?/p>

銆銆褰撳勾鍥芥皯鍏氱殑鏂囦漢涓轟簡瀵規姉姣涙辰涓滅殑銆婃瞾鍥槬·闆嬶紝鐗規剰璇鋒竻鏈濋仐鑰佷滑鍐欎簡涓浜涘浠楀伐鏁寸殑璇楋紝璇瘋拫浠嬬煶榪囩洰銆傝佽拫鐪嬩簡姘斿緱澶ч獋錛?#8220;濞樺笇鍖癸紝鍏ㄩ兘鏈変竴鑲℃:鏉愰噷鑵愬案鐨勬皵鍛熾?#8221;鎴戠湅浜嗗嚑鍗冮〉鐨勮蔣浠跺伐紼嬭祫鏂欙紝緇堜簬鍙戠幇鑷繁鏈変簺“寮辨櫤”錛屾棤娉曠悊瑙?#8220;闈㈠悜瀵硅薄”鐨勭悊璁猴紝鍚屾椂閱掓偀鍒?#8220;緙栫▼鏄‖閬撶悊銆?#8221;

銆銆闈㈠悜瀵硅薄紼嬪簭璁捐璇█寰堝錛屽Smalltalk銆丄da銆丒iffel銆丱bject Pascal銆乂isual Basic銆丆++絳夌瓑銆侰++璇█鏈璁ㄤ漢鍠滄錛屽洜涓哄畠鍏煎C 璇█錛屽茍涓斿叿澶嘋 璇█鐨勬ц兘銆傝繎鍑犲勾錛屼竴縐嶅彨Java 鐨勭函闈㈠悜瀵硅薄璇█綰㈡瀬涓鏃訛紝涓嶅皯浜哄彨鍠婄潃瑕佺敤Java 闈〤++鐨勫懡銆傛垜璁や負Java 濂芥瘮鏄疌++鐨勫鐢ワ紝铏界劧涓嶆槸鐩存帴閬椾紶鐨勶紝浣嗕篃鍑犲垎璞℃牱銆傚鐢ュ湪鑸呰垍韜笂鐜╄嶆椂媧掍簡涓娉″翱錛屼咯浜轟笉璇ヤ負姝よ屼簤鍚點?/p>

銆銆鍏充簬C++紼嬪簭璁捐鐨勪功钘夐潪甯稿錛屾湰绔犱笉璁睠++鐨勮娉曪紝鍙涓浜涘皬灝忕殑緙栫▼閬撶悊銆傚鏋滄垜鑳芥棭鍑犲勾鏄庣櫧榪欎簺灝忛亾鐞嗭紝灝卞彲浠ュぇ澶ф敼鍠勬暟鍗佷竾琛岀▼搴忕殑璐ㄩ噺浜嗐?/p>

1. C++闈㈠悜瀵硅薄紼嬪簭璁捐鐨勯噸瑕佹蹇?/strong>

銆銆鏃╂湡闈╁懡褰辯墖閲屾湁榪欐牱涓涓鑹詫紝浠栬錛?#8220;鎴戞槸鍏氫唬琛紝鎴戜唬琛ㄥ厷錛屾垜灝辨槸鍏氥?#8221;鍚庢潵浠栫粰鍚屽織浠甫鏉ヤ簡鐏鵑毦銆?/p>

銆銆浼氱敤C++鐨勭▼搴忓憳涓瀹氭噦寰楅潰鍚戝璞$▼搴忚璁″悧錛?/p>

銆銆涓嶄細鐢–++鐨勭▼搴忓憳涓瀹氫笉鎳傚緱闈㈠悜瀵硅薄紼嬪簭璁捐鍚楋紵

銆銆涓よ呴兘鏈繀銆傚氨璞″潖铔嬪叆鍏氬悗鏈繀鑳芥垚涓哄ソ浜猴紝濂戒漢涓嶅叆鍏氭湭蹇呭彉鎴愬潖铔嬮偅鏍楓?/p>

銆銆鎴戜笉鎬曡Е鐘紬鎬掑湴璇村彞澶ц瘽錛?#8220;C++娌℃湁楂樻墜錛孋 璇█鎵嶆湁楂樻墜銆?#8221;鍦ㄧ敤C 鍜孋++緙栫▼8騫翠箣鍚庯紝鎴戞繁娣卞湴閬楁喚鑷繁涓嶆槸C 璇█鐨勯珮鎵嬶紝鏇撮仐鎲炬病鏈変漢鐐規嫧鎴戝浣曡繘琛岄潰鍚戝璞$▼搴忚璁°傛垜鍜屽緢澶欳++紼嬪簭鍛樹竴鏍鳳紝鍦ㄤ韓鐢ㄥ埌C++璇硶鐨勫ソ澶勬椂渚夸互涓鴻嚜宸卞凡緇忔槑鐧戒簡闈㈠悜瀵硅薄紼嬪簭璁捐銆傚氨璞℃尋鎺夌墮鑶忓崠鐗欒啅鐨偅鏍鳳紝鐪熸槸鏆存畡澶╃墿鍛銆?/p>

銆銆浜轟滑涓嶆噦鎷奸煶涔熶細璁叉櫘閫氳瘽錛屽鏋滄噦寰楁嫾闊沖垯浼氭妸鏅氳瘽璁插緱鏇村ソ銆備笉鎳傞潰鍚戝璞$▼搴忚璁′篃鍙互鐢–++緙栫▼錛屽鏋滄噦寰楅潰鍚戝璞$▼搴忚璁″垯浼氭妸C++紼嬪簭緙栧緱鏇村ソ銆傛湰鑺傝榪頒笁涓潪甯稿熀紜鐨勬蹇碉細“綾諱笌瀵硅薄”銆?#8220;緇ф壙涓庣粍鍚?#8221;銆?#8220;铏氬嚱鏁頒笌澶氭?#8221;銆傜悊瑙h繖浜涙蹇碉紝鏈夊姪浜庢彁楂樼▼搴忕殑璐ㄩ噺錛岀壒鍒槸鎻愰珮“鍙鐢ㄦ?#8221;涓?#8220;鍙墿鍏呮?#8221;銆?/p>

1.1 綾諱笌瀵硅薄

銆銆瀵硅薄錛圤bject錛夋槸綾伙紙Class錛夌殑涓涓疄渚嬶紙Instance錛夈傚鏋滃皢瀵硅薄姣斾綔鎴垮瓙錛岄偅涔堢被灝辨槸鎴垮瓙鐨勮璁″浘綰搞傛墍浠ラ潰鍚戝璞$▼搴忚璁$殑閲嶇偣鏄被鐨勮璁★紝鑰屼笉鏄璞$殑璁捐銆傜被鍙互灝嗘暟鎹拰鍑芥暟灝佽鍦ㄤ竴璧鳳紝鍏朵腑鍑芥暟琛ㄧず浜嗙被鐨勮涓猴紙鎴栫О鏈嶅姟錛夈傜被鎻愪緵鍏抽敭瀛梡ublic銆乸rotected 鍜宲rivate 鐢ㄤ簬澹版槑鍝簺鏁版嵁鍜屽嚱鏁版槸鍏湁鐨勩佸彈淇濇姢鐨勬垨鑰呮槸縐佹湁鐨勩?/p>

銆銆榪欐牱鍙互杈懼埌淇℃伅闅愯棌鐨勭洰鐨勶紝鍗寵綾諱粎浠呭叕寮蹇呴』瑕佽澶栫晫鐭ラ亾鐨勫唴瀹癸紝鑰岄殣钘忓叾瀹冧竴鍒囧唴瀹廣傛垜浠笉鍙互婊ョ敤綾葷殑灝佽鍔熻兘錛屼笉瑕佹妸瀹冨綋鎴愮伀閿咃紝浠涔堜笢瑗塊兘寰閲屾墧銆?/p>

銆銆綾葷殑璁捐鏄互鏁版嵁涓轟腑蹇冿紝榪樻槸浠ヨ涓轟負涓績錛?/p>

銆銆涓誨紶“浠ユ暟鎹負涓績”鐨勯偅涓媧句漢鍏蟲敞綾葷殑鍐呴儴鏁版嵁緇撴瀯錛屼粬浠範鎯笂灝唒rivate 綾誨瀷鐨勬暟鎹啓鍦ㄥ墠闈紝鑰屽皢public 綾誨瀷鐨勫嚱鏁板啓鍦ㄥ悗闈紝濡傝〃8.1(a)鎵紺恒?/p>

銆銆涓誨紶“浠ヨ涓轟負涓績”鐨勯偅涓媧句漢鍏蟲敞綾誨簲璇ユ彁渚涗粈涔堟牱鐨勬湇鍔″拰鎺ュ彛錛屼粬浠範鎯笂灝唒ublic 綾誨瀷鐨勫嚱鏁板啓鍦ㄥ墠闈紝鑰屽皢private 綾誨瀷鐨勬暟鎹啓鍦ㄥ悗闈紝濡傝〃8.1(b)鎵紺恒?/p>

銆銆寰堝C++鏁欒涔︿富寮犲湪璁捐綾繪椂“浠ユ暟鎹負涓績”銆傛垜鍧氭寔騫朵笖寤鴻璇昏呭湪璁捐綾繪椂“浠ヨ涓轟負涓績”錛屽嵆棣栧厛鑰冭檻綾誨簲璇ユ彁渚涗粈涔堟牱鐨勫嚱鏁般侻icrosoft 鍏徃鐨凜OM 瑙勮寖鐨勬牳蹇冩槸鎺ュ彛璁捐錛孋OM 鐨勬帴鍙e氨鐩稿綋浜庣被鐨勫叕鏈夊嚱鏁癧Rogerson 1999]銆傚湪紼嬪簭璁捐鏂歸潰錛屽挶浠笉瑕佹鐤慚icrosoft 鍏徃鐨勯鏍箋?/p>

銆銆璁捐瀛ょ珛鐨勭被鏄瘮杈冨鏄撶殑錛岄毦鐨勬槸姝g‘璁捐鍩虹被鍙婂叾媧劇敓綾匯傚洜涓烘湁浜涚▼搴忓憳鎼炰笉娓呮“緇ф壙”錛圛nheritance錛夈?#8220;緇勫悎”錛圕omposition錛夈?#8220;澶氭?#8221;錛?Polymorphism錛夎繖浜涙蹇點?/p>

浠樿僵 2007-12-12 09:18 鍙戣〃璇勮
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C++http://m.tkk7.com/javascript/archive/2007/12/12/167120.html浠樿僵浠樿僵Wed, 12 Dec 2007 01:18:00 GMThttp://m.tkk7.com/javascript/archive/2007/12/12/167120.htmlhttp://m.tkk7.com/javascript/comments/167120.htmlhttp://m.tkk7.com/javascript/archive/2007/12/12/167120.html#Feedback0http://m.tkk7.com/javascript/comments/commentRss/167120.htmlhttp://m.tkk7.com/javascript/services/trackbacks/167120.html1.2 緇ф壙涓庣粍鍚?/p>

銆銆濡傛灉A 鏄熀綾伙紝B 鏄疉 鐨勬淳鐢熺被錛岄偅涔圔 灝嗙戶鎵緼 鐨勬暟鎹拰鍑芥暟銆傜ず渚嬬▼搴忓涓嬶細

class A
{
public:
void Func1(void);
void Func2(void);
};
class B : public A
{
public:
void Func3(void);
void Func4(void);
};
// Example
main()
{
B b; // B鐨勪竴涓璞?br /> b.Func1(); // B 浠嶢 緇ф壙浜嗗嚱鏁癋unc1
b.Func2(); // B 浠嶢 緇ф壙浜嗗嚱鏁癋unc2
b.Func3();
b.Func4();
}

銆銆榪欎釜綆鍗曠殑紺轟緥紼嬪簭璇存槑浜嗕竴涓簨瀹烇細C++鐨?#8220;緇ф壙”鐗規у彲浠ユ彁楂樼▼搴忕殑鍙鐢ㄦс傛鍥犱負“緇ф壙”澶湁鐢ㄣ佸お瀹規槗鐢紝鎵嶈闃叉涔辯敤“緇ф壙”銆傛垜浠緇?#8220;緇ф壙”绔嬩竴浜涗嬌鐢ㄨ鍒欙細

銆銆涓銆佸鏋滅被A 鍜岀被B 姣笉鐩稿叧錛屼笉鍙互涓轟簡浣緽 鐨勫姛鑳芥洿澶氫簺鑰岃B 緇ф壙A 鐨勫姛鑳姐?/p>

銆銆涓嶈瑙夊緱“涓嶅悆鐧戒笉鍚?#8221;錛岃涓涓ソ绔鐨勫仴澹潚騫存棤緙樻棤鏁呭湴鍚冧漢鍙傝ˉ韜綋銆?/p>

銆銆浜屻佸鏋滅被B 鏈夊繀瑕佷嬌鐢ˋ 鐨勫姛鑳斤紝鍒欒鍒嗕袱縐嶆儏鍐佃冭檻錛?/p>

銆銆錛?錛夎嫢鍦ㄩ昏緫涓夿 鏄疉 鐨?#8220;涓縐?#8221;錛坅 kind of 錛夛紝鍒欏厑璁窧 緇ф壙A 鐨勫姛鑳姐傚鐢蜂漢錛圡an錛夋槸浜猴紙Human錛夌殑涓縐嶏紝鐢峰錛圔oy錛夋槸鐢蜂漢鐨勪竴縐嶃傞偅涔堢被Man 鍙互浠庣被Human 媧劇敓錛岀被Boy 鍙互浠庣被Man 媧劇敓銆傜ず渚嬬▼搴忓涓嬶細

class Human
{

};
class Man : public Human
{

};
class Boy : public Man
{

};

銆銆錛?錛夎嫢鍦ㄩ昏緫涓夾 鏄疊 鐨?#8220;涓閮ㄥ垎”錛坅 part of錛夛紝鍒欎笉鍏佽B 緇ф壙A 鐨勫姛鑳斤紝鑰屾槸瑕佺敤A鍜屽叾瀹冧笢瑗跨粍鍚堝嚭B銆備緥濡傜溂錛圗ye錛夈侀薊錛圢ose錛夈佸彛錛圡outh錛夈佽籌紙Ear錛夋槸澶達紙Head錛夌殑涓閮ㄥ垎錛屾墍浠ョ被Head 搴旇鐢辯被Eye銆丯ose銆丮outh銆丒ar 緇勫悎鑰屾垚錛屼笉鏄淳鐢熻屾垚銆傜ず渚嬬▼搴忓涓嬶細

class Eye
{
public:
void Look(void);
};
class Nose
{
public:
void Smell(void);
};
class Mouth
{
public:
void Eat(void);
};
class Ear
{
public:
void Listen(void);
};
// 姝g‘鐨勮璁★紝鍐楅暱鐨勭▼搴?br /> class Head
{
public:
void Look(void) { m_eye.Look(); }
void Smell(void) { m_nose.Smell(); }
void Eat(void) { m_mouth.Eat(); }
void Listen(void) { m_ear.Listen(); }
private:
Eye m_eye;
Nose m_nose;
Mouth m_mouth;
Ear m_ear;
};

銆銆濡傛灉鍏佽Head 浠嶦ye銆丯ose銆丮outh銆丒ar 媧劇敓鑰屾垚錛岄偅涔圚ead 灝嗚嚜鍔ㄥ叿鏈塋ook銆丼mell銆丒at銆丩isten 榪欎簺鍔熻兘錛?/p>

// 閿欒鐨勮璁?br /> class Head : public Eye, public Nose, public Mouth, public Ear
{
};

銆銆涓婅堪紼嬪簭鍗佸垎綆鐭茍涓旇繍琛屾紜紝浣嗘槸榪欑璁捐鍗存槸閿欒鐨勩傚緢澶氱▼搴忓憳緇忎笉璧?#8220;緇ф壙”鐨勮鎯戣岀姱涓嬭璁¢敊璇?/p>

銆銆涓鍙叕楦′嬌鍔插湴榪芥墦涓鍙垰涓嬩簡铔嬬殑姣嶉浮錛屼綘鐭ラ亾涓轟粈涔堝悧錛?/p>

銆銆鍥犱負姣嶉浮涓嬩簡楦泲銆?/p>

銆銆鏈功3.3 鑺傝榪?#8220;榪愯姝g‘”鐨勭▼搴忎笉瑙佸緱灝辨槸楂樿川閲忕殑紼嬪簭錛屾澶勫氨鏄竴涓緥璇併?/p>

浠樿僵 2007-12-12 09:18 鍙戣〃璇勮
]]>
C++http://m.tkk7.com/javascript/archive/2007/12/12/167118.html浠樿僵浠樿僵Wed, 12 Dec 2007 01:17:00 GMThttp://m.tkk7.com/javascript/archive/2007/12/12/167118.htmlhttp://m.tkk7.com/javascript/comments/167118.htmlhttp://m.tkk7.com/javascript/archive/2007/12/12/167118.html#Feedback0http://m.tkk7.com/javascript/comments/commentRss/167118.htmlhttp://m.tkk7.com/javascript/services/trackbacks/167118.html1.3 铏氬嚱鏁頒笌澶氭?/p>

銆銆闄や簡緇ф壙澶栵紝C++鐨勫彟涓涓紭鑹壒鎬ф槸鏀寔澶氭侊紝鍗沖厑璁稿皢媧劇敓綾葷殑瀵硅薄褰撲綔鍩虹被鐨勫璞′嬌鐢ㄣ傚鏋淎 鏄熀綾伙紝B 鍜孋 鏄疉 鐨勬淳鐢熺被錛屽鎬佸嚱鏁癟est 鐨勫弬鏁版槸A 鐨?鎸囬拡銆傞偅涔圱est 鍑芥暟鍙互寮曠敤A銆丅銆丆 鐨勫璞°傜ず渚嬬▼搴忓涓嬶細

class A
{
public:
void Func1(void);
};
void Test(A *a)
{
a->Func1();
}
class B : public A
{

};
class C : public A
{

};
// Example
main()
{
A a;
B b;
C c;
Test(&a);
Test(&b);
Test(&c);
};

銆銆浠ヤ笂紼嬪簭鐪嬩笉鍑?#8220;澶氭?#8221;鏈変粈涔堜環鍊鹼紝鍔犱笂铏氬嚱鏁板拰鎶借薄鍩虹被鍚庯紝“澶氭?#8221;鐨勫▉鍔涘氨鏄劇ず鍑烘潵浜嗐?/p>

銆銆C++鐢ㄥ叧閿瓧virtual 鏉ュ0鏄庝竴涓嚱鏁頒負铏氬嚱鏁幫紝媧劇敓綾葷殑铏氬嚱鏁板皢錛坥verride錛夊熀綾誨搴旂殑铏氬嚱鏁扮殑鍔熻兘銆傜ず渚嬬▼搴忓涓嬶細

class A
{
public:
virtual void Func1(void){ cout<< “This is A::Func1 \n”}
};
void Test(A *a)
{
a->Func1();
}
class B : public A
{
public:
virtual void Func1(void){ cout<< “This is B::Func1 \n”}
};
class C : public A
{
public:
virtual void Func1(void){ cout<< “This is C::Func1 \n”}
};
// Example
main()
{
A a;
B b;
C c;
Test(&a); // 杈撳嚭This is A::Func1
Test(&b); // 杈撳嚭This is B::Func1
Test(&c); // 杈撳嚭This is C::Func1
};

銆銆濡傛灉鍩虹被A 瀹氫箟濡備笅錛?/p>

class A
{
public:
virtual void Func1(void)=0;
};

銆銆閭d箞鍑芥暟Func1 鍙綔綰櫄鍑芥暟錛屽惈鏈夌函铏氬嚱鏁扮殑綾誨彨浣滄娊璞″熀綾匯傛娊璞″熀綾誨彧綆″畾涔夌函铏氬嚱鏁扮殑褰㈠紡錛屽叿浣撶殑鍔熻兘鐢辨淳鐢熺被瀹炵幇銆?/p>

銆銆緇撳悎“鎶借薄鍩虹被”鍜?#8220;澶氭?#8221;鏈夊涓嬬獊鍑轟紭鐐癸細

銆銆錛?錛夊簲鐢ㄧ▼搴忎笉蹇呬負姣忎竴涓淳鐢熺被緙栧啓鍔熻兘璋冪敤錛屽彧闇瑕佸鎶借薄鍩虹被榪涜澶勭悊鍗沖彲銆傝繖涓
鎷涘彨“浠ヤ笉鍙樺簲涓囧彉”錛屽彲浠ュぇ澶ф彁楂樼▼搴忕殑鍙鐢ㄦэ紙榪欐槸鎺ュ彛璁捐鐨勫鐢紝鑰屼笉鏄唬鐮佸疄鐜扮殑澶嶇敤錛夈?/p>

銆銆錛?錛夋淳鐢熺被鐨勫姛鑳藉彲浠ヨ鍩虹被鎸囬拡寮曠敤錛岃繖鍙悜鍚庡吋瀹癸紝鍙互鎻愰珮紼嬪簭鐨勫彲鎵╁厖鎬у拰鍙淮鎶ゆс備互鍓嶅啓鐨勭▼搴忓彲浠ヨ灝嗘潵鍐欑殑紼嬪簭璋冪敤涓嶈凍涓哄錛屼絾鏄皢鏉ュ啓鐨勭▼搴忓彲浠ヨ浠ュ墠鍐欑殑紼嬪簭璋冪敤閭e彲浜嗕笉璧楓?/p>

浠樿僵 2007-12-12 09:17 鍙戣〃璇勮
]]>
C++http://m.tkk7.com/javascript/archive/2007/12/12/167117.html浠樿僵浠樿僵Wed, 12 Dec 2007 01:16:00 GMThttp://m.tkk7.com/javascript/archive/2007/12/12/167117.htmlhttp://m.tkk7.com/javascript/comments/167117.htmlhttp://m.tkk7.com/javascript/archive/2007/12/12/167117.html#Feedback0http://m.tkk7.com/javascript/comments/commentRss/167117.htmlhttp://m.tkk7.com/javascript/services/trackbacks/167117.html2.3 new銆乨elete 涓庢寚閽?/p>

銆銆鍦–++涓紝鎿嶄綔絎ew 鐢ㄤ簬鐢寵鍐呭瓨錛屾搷浣滅delete 鐢ㄤ簬閲婃斁鍐呭瓨銆傚湪C 璇█涓紝鍑芥暟malloc 鐢ㄤ簬鐢寵鍐呭瓨錛屽嚱鏁癴ree 鐢ㄤ簬閲婃斁鍐?瀛樸傜敱浜嶤++鍏煎C 璇█錛屾墍浠ew銆乨elete銆乵alloc銆乫ree 閮芥湁鍙兘涓璧蜂嬌鐢ㄣ俷ew 鑳芥瘮malloc 騫叉洿澶氱殑浜嬶紝瀹冨彲浠ョ敵璇峰璞$殑鍐呭瓨錛岃宮alloc 涓嶈兘銆侰++鍜孋 璇█涓殑鎸囬拡濞佺寷鏃犳瘮錛岀敤閿欎簡浼氬甫鏉ョ伨闅俱傚浜庝竴涓寚閽坧錛屽鏋滄槸鐢╪ew鐢寵鐨勫唴瀛橈紝鍒欏繀欏葷敤delete 鑰屼笉鑳界敤free 鏉ラ噴鏀俱傚鏋滄槸鐢╩alloc 鐢寵鐨勫唴瀛橈紝鍒欏繀欏葷敤free 鑰屼笉鑳界敤delete 鏉ラ噴鏀俱傚湪鐢╠elete 鎴栫敤free 閲婃斁p 鎵鎸囩殑鍐呭瓨鍚庯紝搴旇椹笂鏄懼紡鍦板皢p 緗負NULL錛屼互闃蹭笅嬈′嬌鐢╬ 鏃跺彂鐢熼敊璇傜ず渚嬬▼搴忓涓嬶細

void Test(void)
{
float *p;
p = new float[100];
if(p==NULL) return;
…// do something
delete p;
p=NULL; // 鑹ソ鐨勭紪紼嬮鏍?br /> // 鍙互緇х畫浣跨敤p
p = new float[500];
if(p==NULL) return;
…// do something else
delete p;
p=NULL;
}

銆銆鎴戜滑榪樿棰勯槻“閲庢寚閽?#8221;錛?#8220;閲庢寚閽?#8221;鏄寚鍚?#8220;鍨冨溇”鍐呭瓨鐨勬寚閽堬紝涓昏鎴愬洜鏈変袱縐嶏細

銆銆錛?錛夋寚閽堟病鏈夊垵濮嬪寲銆?br /> 銆銆錛?錛夋寚閽堟寚鍚戝凡緇忛噴鏀劇殑鍐呭瓨錛岃繖縐嶆儏鍐墊渶璁╀漢闃蹭笉鑳滈槻錛岀ず渚嬬▼搴忓涓嬶細

class A
{
public:
void Func(void){…}
};
void Test(void)
{
A *p;
{
A a;
p = &a; // 娉ㄦ剰a 鐨勭敓鍛芥湡
}
p->Func(); // p 鏄?#8220;閲庢寚閽?#8221;錛岀▼搴忓嚭閿?br /> }

2.4 浣跨敤const

銆銆鍦ㄥ畾涔変竴涓父閲忔椂錛宑onst 姣?define 鏇村姞鐏墊椿銆傜敤const 瀹氫箟鐨勫父閲忓惈鏈夋暟鎹被鍨嬶紝璇ュ父閲忓彲浠ュ弬涓庨昏緫榪愮畻銆備緥濡傦細

const int LENGTH = 100; // LENGTH 鏄痠nt 綾誨瀷
const float MAX=100; // MAX 鏄痜loat 綾誨瀷
#define LENGTH 100 // LENGTH 鏃犵被鍨?br /> #define MAX 100 // MAX 鏃犵被鍨?/p>

銆銆闄や簡鑳藉畾涔夊父閲忓錛宑onst 榪樻湁涓や釜“淇濇姢”鍔熻兘錛?/p>

銆銆涓銆佸己鍒朵繚鎶ゅ嚱鏁扮殑鍙傛暟鍊間笉鍙戠敓鍙樺寲

銆銆浠ヤ笅紼嬪簭涓紝鍑芥暟f 涓嶄細鏀瑰彉杈撳叆鍙傛暟name 鐨勫鹼紝浣嗘槸鍑芥暟g 鍜宧 閮芥湁鍙兘鏀瑰彉name鐨勫箋?/p>

void f(String s); // pass by value
void g(String &s); // pass by referance
void h(String *s); // pass by pointer
main()
{
String name=“Dog”;
f(name); // name 鐨勫間笉浼氭敼鍙?br /> g(name); // name 鐨勫煎彲鑳芥敼鍙?br /> h(name); // name 鐨勫煎彲鑳芥敼鍙?br /> }

銆銆瀵逛簬涓涓嚱鏁拌岃█錛屽鏋滃叾‘&’鎴?#8216;*’綾誨瀷鐨勫弬鏁板彧浣滆緭鍏ョ敤錛屼笉浣滆緭鍑虹敤錛岄偅涔堝簲褰撳湪璇ュ弬鏁板墠鍔犱笂const錛屼互紜繚鍑芥暟鐨勪唬鐮佷笉浼氭敼鍙樿鍙傛暟鐨勫鹼紙濡傛灉鏀瑰彉浜嗚鍙傛暟鐨勫鹼紝緙栬瘧鍣ㄤ細鍑虹幇閿欒璀﹀憡錛夈傚洜姝や笂榪扮▼搴忎腑鐨勫嚱鏁癵 鍜宧 搴旇瀹氫箟鎴愶細

void g(const String &s);
void h(const String *s);

銆銆浜屻佸己鍒朵繚鎶ょ被鐨勬垚鍛樺嚱鏁頒笉鏀瑰彉浠諱綍鏁版嵁鎴愬憳鐨勫?/p>

銆銆浠ヤ笅紼嬪簭涓紝綾籹tack 鐨勬垚鍛樺嚱鏁癈ount 浠呯敤浜庤鏁幫紝涓轟簡紜繚Count 涓嶆敼鍙樼被涓殑浠諱綍鏁版嵁鎴愬憳鐨勫鹼紝搴斿皢鍑芥暟Count 瀹氫箟鎴恈onst 綾誨瀷銆?/p>

class Stack
{
public:
void push(int elem);
void pop(void);
int Count(void) const; // const 綾誨瀷鐨勫嚱鏁?br /> private:
int num;
int data[100];
};
int Stack::Count(void) const
{
++ num; // 緙栬瘧閿欒錛宯um 鍊煎彂鐢熷彉鍖?br /> pop(); // 緙栬瘧閿欒錛宲op 灝嗘敼鍙樻垚鍛樺彉閲忕殑鍊?br /> return num;
}



浠樿僵 2007-12-12 09:16 鍙戣〃璇勮
]]>
windows 鐨勫彉閲忕被鍨?/title><link>http://m.tkk7.com/javascript/archive/2007/11/30/164386.html</link><dc:creator>浠樿僵</dc:creator><author>浠樿僵</author><pubDate>Fri, 30 Nov 2007 11:39:00 GMT</pubDate><guid>http://m.tkk7.com/javascript/archive/2007/11/30/164386.html</guid><wfw:comment>http://m.tkk7.com/javascript/comments/164386.html</wfw:comment><comments>http://m.tkk7.com/javascript/archive/2007/11/30/164386.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/javascript/comments/commentRss/164386.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/javascript/services/trackbacks/164386.html</trackback:ping><description><![CDATA[ATOM                   鍘熷瓙錛堝師瀛愯〃涓殑涓涓瓧絎︿覆鐨勫弬鑰冿級 <br /> BOOL                   甯冨皵鍙橀噺 <br /> BOOLEAN                甯冨皵鍙橀噺 <br /> BYTE                   瀛楄妭錛?浣嶏級 <br /> CCHAR                  Windows瀛楃 <br /> CHAR                   Windows瀛楃 <br /> COLORREF               綰€佺豢銆佽摑(RGB)褰╄壊鍊?32浣? <br /> Const                  鍙橀噺錛岃鍙橀噺鐨勫煎湪鎵ц鏈熼棿淇濇寔涓哄父閲?<br /> CRITICAL_SECTION       涓寸晫孌靛璞?<br /> CTRYID                 鍥藉悕鏍囪瘑絎?<br /> DLGPROC                鎸囧悜涓涓璇濇榪囩▼鐨勬寚閽?<br /> DWORD                  鍙屽瓧(32浣? <br /> ENHMFENUMPROC          鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑鍥炶皟鍑芥暟鐨勬寚閽堬紝璇ュ洖璋冨嚱鏁版灇涓懼寮虹殑鍏冩枃浠惰褰?<br /> ENUMRESLANGPROC        鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑鍥炶皟鍑芥暟鐨勬寚閽堬紝璇ュ洖璋冨嚱鏁版灇涓捐祫婧愯璦銆?<br /> ENUMRESNAMEPROC        鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑鍥炶皟鍑芥暟鐨勬寚閽堬紝璇ュ洖璋冨嚱鏁版灇涓捐祫婧愬悕縐般?<br /> ENUMRESTYPEPROC        鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑鍥炶皟鍑芥暟鐨勬寚閽堬紝璇ュ洖璋冨嚱鏁版灇涓捐祫婧愮被鍨嬨?nbsp; <br /> FARPROC                鎸囧悜涓涓洖璋冨嚱鏁扮殑鎸囬拡 <br /> FLOAT                  嫻偣鍙橀噺 <br /> FMORDER                32浣嶅瓧浣撴槧灝勫肩殑鏁扮粍 <br /> FONTENUMPROC           鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑鍥炶皟鍑芥暟鐨勬寚閽堬紝璇ュ洖璋冨嚱鏁版灇涓懼瓧浣?<br /> GOBJENUMPROC           鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑鍥炶皟鍑芥暟鐨勬寚閽堬紝璇ュ洖璋冨嚱鏁版灇涓懼浘褰㈣澶囨帴鍙?GDI)瀵硅薄 <br /> HACCEL                 鍔犻熼敭琛ㄥ彞鏌?<br /> HANDLE                 瀵硅薄鐨勫彞鏌?<br /> HBITMAP                浣嶅浘鍙ユ焺 <br /> HBRUSH                 鐢誨埛鍙ユ焺 <br /> HCONV                  鍔ㄦ佹暟鎹氦鎹?DDE)浼氳瘽鍙ユ焺 <br /> HCONVLIST              DDE浼氳瘽鍙ユ焺 <br /> HCURSOR                鍏夋爣鍙ユ焺 <br /> HDC                    璁懼鎻忚堪琛?DC)鍙ユ焺 <br /> HDDEDATA               DDE鏁版嵁鍙ユ焺 <br /> HDLG                   瀵硅瘽妗嗗彞鏌?<br /> HDWP                   寤舵湡紿楀彛浣嶇疆緇撴瀯鍙ユ焺 <br /> HENHMETAFILE           澧炲己鍘熸枃浠跺彞鏌?<br /> HFILE                  鏂囦歡鍙ユ焺 <br /> HFONT                  瀛椾綋鍙ユ焺 <br /> HGDIOBJ                GDI瀵硅薄鍙ユ焺 <br /> HGLOBAL                鍏ㄥ眬鍐呭瓨鍧楀彞鏌?<br /> HHOOK                  閽╁瓙鍙ユ焺 <br /> HICON                  鍥炬爣鍙ユ焺 <br /> HINSTANCE              瀹炰緥鍙ユ焺 <br /> HKEY                   鐧昏鍏抽敭瀛楀彞鏌?<br /> HLOCAL                 灞閮ㄥ唴瀛樺潡鍙ユ焺 <br /> HMEMU                  鑿滃崟鍙ユ焺 <br /> HMETAFILE              鍏冩枃浠跺彞鏌?<br /> HMIDIIN                涔愬櫒鐨勬暟瀛楀寲鎺ュ彛(MIDI)杈撳叆鏂囦歡鍙ユ焺 <br /> HMIDIOUT               MIDI杈撳嚭鏂囦歡鍙ユ焺 <br /> HMMIO                  鏂囦歡鍙ユ焺 <br /> HOOKPROC               鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑閽╁瓙鍑芥暟鐨勬寚閽?<br /> HPALETTE               璋冭壊鏉垮彞鏌?<br /> HPEN                   鐢葷瑪鍙ユ焺 <br /> HRGN                   鍩熷彞鏌?<br /> HRSRC                  璧勬簮鍙ユ焺 <br /> HSZ                    DDE瀛楃涓插彞鏌?<br /> HWAVEIN                娉㈠艦杈撳叆鏂囦歡鍙ユ焺 <br /> HWAVEOUT               娉㈠艦杈撳嚭鏂囦歡鍙ユ焺 <br /> HWINSTA                宸ヤ綔绔欏彞鏌?<br /> HWND                   紿楀彛鍙ユ焺 <br /> INT                    絎﹀彿鏁存暟 <br /> LANGID                 璇█鏍囪瘑絎?<br /> LCID                   鎵鍦ㄥ浗(Locale)鏍囪瘑絎?<br /> LCTYPE                 鎵鍦ㄥ浗綾誨瀷 <br /> LINEDDAPROC            鎸囧悜涓涓洖璋冨嚱鏁扮殑鎸囬拡錛岃鍥炶皟鍑芥暟澶勭悊琛屽潗鏍?<br /> LONG                   32浣嶇鍙鋒暣鏁?<br /> LP                     鎸囧悜涓涓互"NULL"緇撴潫鐨刄nicode(TM)瀛楃涓茬殑鎸囬拡 <br /> LPARAM                 32浣嶆秷鎭弬鏁?<br /> LPBOOL                 鎸囧悜涓涓竷灝斿彉閲忕殑鎸囬拡 <br /> LPBYTE                 鎸囧悜涓涓瓧鑺傜殑鎸囬拡 <br /> LPCCH                  鎸囧悜涓涓猈indows瀛楃甯擱噺鐨勬寚閽?<br /> LPCCHOOKPROC           鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑閽╁瓙鍑芥暟鐨勬寚閽?<br /> LPCFHOOLPROC           鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑閽╁瓙鍑芥暟鐨勬寚閽?<br /> LPCH                   鎸囧悜涓涓猈indows瀛楃鐨勬寚閽?<br /> LPCOLORREF             鎸囧悜涓涓狢OLORREF鍊肩殑鎸囬拡 <br /> LPCRITICAL_SECTION     鎸囧悜涓涓復鐣屾瀵硅薄鐨勬寚閽?<br /> LPCSTR                 鎸囧悜涓涓互"NULL"緇撴潫鐨刉INDOWS瀛楃涓插父閲忕殑鎸囬拡 <br /> LPCTSTR                鎸囧悜涓涓互"NULL"緇撴潫鐨刄nicode鎴朩indows瀛楃涓插父閲忕殑鎸囬拡        <br /> LPCWCH                 鎸囧悜涓涓互"NULL"鎸囧悜涓涓互"NULL"緇撴潫鐨刄nicode瀛楃甯擱噺鐨勬寚閽?nbsp;  <br /> LPCWSTR                鎸囧悜涓涓互"NULL"鎸囧悜涓涓互"NULL"緇撴潫鐨刄nicode瀛楃涓插父閲忕殑鎸囬拡  <br /> LPDWORD                鎸囧悜涓涓棤絎﹀彿鍙屽瓧(32浣?鐨勬寚閽?nbsp;                <br /> LPFRHOOLPROC           鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑閽╁瓙鍑芥暟鐨勬寚閽?<br /> LPHANDLE               鎸囧悜涓涓彞鏌勭殑鎸囬拡 <br /> LOHANDLER_FUNCTION     鎸囧悜涓涓鐞嗙▼搴忓嚱鏁扮殑鎸囬拡 <br /> LPHWAVEIN              鎸囧悜涓涓嘗褰㈣緭鍏ユ枃浠跺彞鏌勭殑鎸囬拡 <br /> LPHWAVEOUT             鎸囧悜涓涓嘗褰㈣緭鍑烘枃浠跺彞鏌勭殑鎸囬拡 <br /> LPINT                  鎸囧悜涓涓鍙鋒暣鏁扮殑鎸囬拡 <br /> LPLONG                 鎸囧悜涓涓鍙烽暱鏁存暟(32浣?鐨勬寚閽?<br /> LPOFNHOOKPROC          鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑閽╁瓙鍑芥暟鐨勬寚閽?<br /> LPPRINTHOOKPROC        鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑閽╁瓙鍑芥暟鐨勬寚閽?<br /> LPSETUPHOOKPROC        鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑閽╁瓙鍑芥暟鐨勬寚閽?<br /> LPTSTR                 鎸囧悜涓涓互NULL緇撴潫鐨刄nicode鎴朩indows瀛楃涓茬殑鎸囬拡 <br /> LRESULT                娑堟伅澶勭悊鐨勭鍙風粨鏋?<br /> LPVOID                 鎸囧悜浠諱綍綾誨瀷鐨勬寚閽?<br /> LPWSTR                 鎸囧悜涓涓互"NULL"緇撴潫鐨刄nicode瀛楃涓茬殑鎸囬拡 <br /> LUID                   灞閮ㄥ敮涓鐨勬爣璇嗙 <br /> MCIDEVICEID            濯掍綋鎺у埗鎺ュ彛(MCI)璁懼鏍囪瘑絎?<br /> MFENUMPROC             鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑鍥炶皟鍑芥暟鐨勬寚閽堬紝璇ュ洖璋冨嚱鏁版灇涓懼厓鏂囦歡璁板綍 <br /> MMRESULT               澶氬獟浣撴秷鎭殑澶勭悊緇撴灉 <br /> NPSTR                  鎸囧悜涓涓互"NULL"緇撴潫鐨刉indows瀛楃涓茬殑鎸囬拡 <br /> NWPSTR                 鎸囧悜涓涓互"NULL"緇撴潫鐨刄nicode瀛楃涓茬殑鎸囬拡 <br /> PBOOL                  鎸囧悜涓涓竷灝斿彉閲忕殑鎸囬拡 <br /> PBYTE                  鎸囧悜涓涓瓧鑺傜殑鎸囬拡 <br /> PCCH                   鎸囧悜涓涓猈indows瀛楃甯擱噺鐨勬寚閽?<br /> PCH                    鎸囧悜涓涓猈indows瀛楃鐨勬寚閽?<br /> PCHAR                  鎸囧悜涓涓猈indows瀛楃鐨勬寚閽?<br /> PCRITICAL_SECTION      鎸囧悜涓涓復鐣屾瀵硅薄鐨勬寚閽?<br /> PCSTR                  鎸囧悜涓涓互"NULL"緇撴潫鐨刉indows瀛楃涓插父閲忕殑鎸囬拡 <br /> PCWCH                  鎸囧悜涓涓猆nicode瀛楃甯擱噺鐨勬寚閽?<br /> PCWSTR                 鎸囧悜涓涓互"NULL"緇撴潫鐨刄nicode瀛楃涓插父閲忕殑鎸囬拡 <br /> PDWORD                 鎸囧悜涓涓棤絎﹀彿鍙屽瓧鐨勬寚閽?<br /> PFLOAT                 鎸囧悜涓涓誕鐐瑰彉閲忕殑鎸囬拡 <br /> PFNCALLBACK            鎸囧悜涓涓洖璋冨嚱鏁扮殑鎸囬拡 <br /> PHANDLE                鎸囧悜涓涓彞鏌勭殑鎸囬拡 <br /> PHANDLER_ROUTINE       鎸囧悜涓涓鐞嗙▼搴忕殑鎸囬拡 <br /> PHKEY                  鎸囧悜涓涓櫥璁板叧閿瓧鐨勬寚閽?<br /> PINT                   鎸囧悜涓涓鍙鋒暣鏁扮殑鎸囬拡 <br /> PLONG                  鎸囧悜涓涓鍙烽暱鏁存暟鐨勬寚閽?<br /> PLUID                  鎸囧悜涓涓眬閮ㄥ敮涓鐨勮〃紺虹(LUID)鐨勬寚閽?<br /> PROPENUMPROC           鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑鍥炶皟鍑芥暟鐨勬寚閽堬紝璇ュ洖璋冨嚱鏁版灇涓劇獥鍙g壒寰?<br /> PSHORT                 鎸囧悜涓涓鍙風煭鏁存暟鐨勬寚閽?<br /> PSID                   鎸囧悜涓涓姞瀵嗘爣璇嗙(SID)鐨勬寚閽?<br /> PSTR                   鎸囧悜涓涓互"NULL"緇撴潫鐨刉indows瀛楃涓茬殑鎸囬拡 <br /> PSZ                    鎸囧悜涓涓互"NULL"緇撴潫鐨刉indows瀛楃涓茬殑鎸囬拡 <br /> PTCH                   鎸囧悜涓涓猈indows鎴朥nicode瀛楃鐨勬寚閽?<br /> PTCHAR                 鎸囧悜涓涓猈indows鎴朥nicode瀛楃鐨勬寚閽?<br /> PTSTR                  鎸囧悜涓涓互"NULL"緇撴潫鐨刉indows鎴朥nicode瀛楃涓茬殑鎸囬拡 <br /> PUCHAR                 鎸囧悜涓涓棤絎﹀彿Windows瀛楃鐨勬寚閽?<br /> PUINT                  鎸囧悜涓涓棤絎﹀彿鏁存暟鐨勬寚閽?<br /> PULONG                 鎸囧悜涓涓棤絎﹀彿闀挎暣鏁扮殑鎸囬拡 <br /> PUSHORT                鎸囧悜涓涓棤絎﹀彿鐭暣鏁扮殑鎸囬拡 <br /> PVOID                  鎸囧悜浠諱綍綾誨瀷鐨勬寚閽?<br /> PWCH                   鎸囧悜涓涓猆nicode瀛楃鐨勬寚閽?<br /> PWCHAR                 鎸囧悜涓涓猆nicode瀛楃鐨勬寚閽?<br /> PWORD                  鎸囧悜涓涓棤絎﹀彿瀛楃殑鎸囬拡 <br /> PWSTR                  鎸囧悜涓涓互"NULL"緇撴潫鐨刄nicode瀛楃涓茬殑鎸囬拡 <br /> REGSAM                 鐧昏鍏抽敭瀛楃殑鍔犲瘑鎺╃爜 <br /> SC_HANDLE              鏈嶅姟鍙ユ焺 <br /> SERVICE_STATUS_HANDLE  鏈嶅姟鐘舵佸煎彞鏌?<br /> SHORT                  鐭暣鏁?<br /> SPHANDLE               鎸囧悜涓涓彞鏌勭殑鎸囬拡 <br /> TCHAR                  Unicode鎴朩indows瀛楃 <br /> TIMERPROC              鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑瀹氭椂鍣ㄥ洖璋冨嚱鏁扮殑鎸囬拡 <br /> UCHAR                  鏃犵鍙稺indows瀛楃 <br /> UINT                   鏃犵鍙鋒暣鏁?<br /> ULONG                  鏃犵鍙烽暱鏁存暟 <br /> USHORT                 鏃犵鍙風煭鏁存暟 <br /> VOID                   浠諱綍綾誨瀷 <br /> WCHAR                  Unicode瀛楃 <br /> WNDENUMPROC            鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑鍥炶皟鍑芥暟鐨勬寚閽堬紝璇ュ洖璋冨嚱鏁版灇涓劇獥鍙?<br /> WNDPROC                鎸囧悜涓涓簲鐢ㄧ▼搴忓畾涔夌殑紿楀彛榪囩▼鐨勬寚閽?<br /> WORD                   鏃犵鍙峰瓧(16浣? <br /> WPARAM                 32浣嶆秷鎭弬鏁?<br /> YIELDPROC              鎸囧悜涓涓緭鍑哄洖璋冨嚱鏁扮殑鎸囬拡 <img src ="http://m.tkk7.com/javascript/aggbug/164386.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/javascript/" target="_blank">浠樿僵</a> 2007-11-30 19:39 <a href="http://m.tkk7.com/javascript/archive/2007/11/30/164386.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>J2EE For Weblogic寮鍙戜腑Weblogic.xml鏂囦歡鐨勯厤緗?(杞?http://m.tkk7.com/javascript/archive/2007/08/17/137471.html浠樿僵浠樿僵Fri, 17 Aug 2007 02:03:00 GMThttp://m.tkk7.com/javascript/archive/2007/08/17/137471.html 

      weblogic Server鍏佽閫氳繃璁劇疆weblogic搴旂敤紼嬪簭鎵╁睍鎻忚堪絎︼紙weblogic.xml錛夐厤緗甹sp瀹瑰櫒錛?br>璇ユ枃浠墮氬父浣嶄簬web搴旂敤紼嬪簭鐨剋eb-inf鐩綍涓嬨備竴鑸笉閫氳繃淇敼weblogic鏂囦歡鐩存帴閰嶇疆錛?br>鑰屾槸閫氳繃鎺у埗鍙伴厤緗鏂囦歡錛屽湪Deploments-->web Application-->defaultWebApp涓厤緗?br>鍙湪寮鍙戝拰鐢熶駭鐜涓厤緗笉鍚岀殑淇℃伅銆?br>涓昏閰嶇疆淇℃伅錛?br>compilerSupportsEncoding //true錛嶏紞鏀寔浣跨敤瀛楃闆?br>encoding //鎸囧畾jsp鏂囦歡鐨勯粯璁ゅ瓧絎﹂泦錛屽gb2312錛?br>vervose //鏄惁灝嗚皟璇曚俊鎭緭鍑哄埌嫻忚鍣ㄥ拰鏃ュ織錛?br>keepgenerated //鏄惁璁╃紪璇慾sp鏂囦歡浜х敓鐨?java鏂囦歡鎸佺畫瀛樺湪錛?br>Page Check Seconds //姝f暟錛嶏紞鍦ㄤ互縐掍負鍗曚綅鐨勬椂闂撮棿闅旀鏌sp鏂囦歡鏄惁鍙戠敓浜嗕慨鏀癸紝濡傛灉鏄垯閲嶆柊緙栬瘧錛?br>           0錛嶏紞鍦ㄦ瘡涓涓姹傛鏌sp;
           -1錛嶏紞涓嶅jsp鏂囦歡榪涜媯鏌ャ?br>Precompile //true錛嶏紞鍦╳eblogic鏈嶅姟鍣ㄥ惎鍔ㄦ椂鑷姩緙栬瘧鎵鏈夌殑jsp銆?br>Debug Enable //true錛嶏紞鏄惁鍏佽璋冭瘯銆?br>
Weblogic .xml

<? xml version="1.0" encoding="GB2312" ?>
<! DOCTYPE weblogic-web-app PUBLIC "-//BEA Systems, Inc.//DTD Web Application 8.1//EN" "http://www.bea.com/servers/wls810/dtd/weblogic810-web-jar.dtd" >
< weblogic-web-app >
    
<!--
        涓簑eb.xml鎵瀹氫箟瑙掕壊璧嬪?br>        濡傛灉鏄疻eblogic 8.1 SP2 鎴栬呬箣鍓嶇殑鐗堟湰錛屽彲浠ヤ笉瀹氫箟security-role-assignment
        濡傛灉鏄疭P3錛屽繀欏繪墜宸ユ坊鍔犳墍鏈塸rincipal錛堣鑹叉垨瑙掕壊緇勶級錛?br>        璇︾粏浠嬬粛璇峰弬鑰?nbsp;PAFA3寮鍙戣璁℃寚鍗?nbsp;鏂囨。 銆?br>     
-->
    
< security-role-assignment >
        
<!--  role-name 蹇呴』璺焪eb.xml涓璼ecurity-role鏍囪涓嬬殑role-name鍙栧肩浉鍚?nbsp; -->
        
< role-name > pafaDemoUser </ role-name >
        
<!--  principal-name 蹇呴』鏄疷M涓畾涔夌殑瑙掕壊鎴栬呰鑹茬粍錛屼笉鑳芥槸鐢ㄦ埛  -->
        
< principal-name > r_usermanager_rm_user </ principal-name >
        
< principal-name > p_g_rmtest03_myopr </ principal-name >     
        
< principal-name > Administrators </ principal-name >     
    
</ security-role-assignment >

    
< jsp-descriptor >
        
< jsp-param >
            
< param-name > pageCheckSeconds </ param-name >
            
< param-value > 1 </ param-value >
        
</ jsp-param >
        
< jsp-param >
            
< param-name > compilerSupportsEncoding </ param-name >
            
< param-value > true </ param-value >
        
</ jsp-param >
        
< jsp-param >
            
< param-name > encoding </ param-name >
            
< param-value > GB2312 </ param-value >
        
</ jsp-param >
        
< jsp-param >
            
< param-name > verbose </ param-name >
            
< param-value > true </ param-value >
        
</ jsp-param >
        
< jsp-param >
            
< param-name > printNulls </ param-name >
            
< param-value > false </ param-value >
        
</ jsp-param >
        
< jsp-param >
            
< param-name > keepgenerated </ param-name >
            
< param-value > true </ param-value >
        
</ jsp-param >
    
</ jsp-descriptor >
</ weblogic-web-app >


浠樿僵 2007-08-17 10:03 鍙戣〃璇勮
]]>
javascripthttp://m.tkk7.com/javascript/archive/2007/08/10/135674.html浠樿僵浠樿僵Thu, 09 Aug 2007 22:55:00 GMThttp://m.tkk7.com/javascript/archive/2007/08/10/135674.htmlhttp://m.tkk7.com/javascript/comments/135674.htmlhttp://m.tkk7.com/javascript/archive/2007/08/10/135674.html#Feedback0http://m.tkk7.com/javascript/comments/commentRss/135674.htmlhttp://m.tkk7.com/javascript/services/trackbacks/135674.html<script language="javascript">
var obj="";
for(i=0;i<document.all.length;i++)
obj+=document.all[i].tagName+";";
alert(obj);
</script>
娉ㄦ剰瑕佹妸紼嬪紡鏀懼埌</html>涔嬪悗鍝︺?

浠樿僵 2007-08-10 06:55 鍙戣〃璇勮
]]>
java闈欐佸伐鍘傛柟娉?/title><link>http://m.tkk7.com/javascript/archive/2007/07/14/130294.html</link><dc:creator>浠樿僵</dc:creator><author>浠樿僵</author><pubDate>Sat, 14 Jul 2007 12:00:00 GMT</pubDate><guid>http://m.tkk7.com/javascript/archive/2007/07/14/130294.html</guid><wfw:comment>http://m.tkk7.com/javascript/comments/130294.html</wfw:comment><comments>http://m.tkk7.com/javascript/archive/2007/07/14/130294.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://m.tkk7.com/javascript/comments/commentRss/130294.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/javascript/services/trackbacks/130294.html</trackback:ping><description><![CDATA[<p style="TEXT-INDENT: 2em">public class GlobalConfig {</p> <p style="TEXT-INDENT: 2em">private static final GlobalConfig INSTANCE=new GlobalConfig();<br><br>       private GlobalConfig (){}//鏋勯犳柟娉?br><br>       }<br><br>      闂鏄細褰撶涓嬈¤皟鐢ㄨ繖涓被鏃訛紝private static final GlobalConfig INSTANCE=new GlobalConfig(); 琚墽琛?錛岀劧鍚嶪NSTANCE鏄笉鏄氨涓鐩翠繚鐣欏湪鍐呭瓨涓紝涓嶄細琚玧ava鍨冨溇鍥炴敹錛?</p> <img src ="http://m.tkk7.com/javascript/aggbug/130294.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/javascript/" target="_blank">浠樿僵</a> 2007-07-14 20:00 <a href="http://m.tkk7.com/javascript/archive/2007/07/14/130294.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>hibernate 寤惰繜鍔犺澆闂http://m.tkk7.com/javascript/archive/2007/07/03/127906.html浠樿僵浠樿僵Tue, 03 Jul 2007 09:23:00 GMThttp://m.tkk7.com/javascript/archive/2007/07/03/127906.htmlhttp://m.tkk7.com/javascript/comments/127906.htmlhttp://m.tkk7.com/javascript/archive/2007/07/03/127906.html#Feedback0http://m.tkk7.com/javascript/comments/commentRss/127906.htmlhttp://m.tkk7.com/javascript/services/trackbacks/127906.htmlsolutions. One is to initialize the publisher explicitly, we can call the method Hibernate.initialize()
for this task. This will force the publisher object to be loaded from database.
Session session = factory.openSession();
try {
Book book = (Book) session.get(Book.class, id);
Hibernate.initialize(book.getPublisher());
return book;
} finally {
session.close();
}
Another solution is to turn off the lazy initialization feature for this association. This may decrease
the performance as the publisher object will be loaded together with the book object every time.
<hibernate-mapping package="mo.org.cpttm.bookshop">
<class name="Book" table="BOOK">
...
<many-to-one name="publisher" class="Publisher" column="PUBLISHER_ID"
lazy="false" />
</class>
</hibernate-mapping>

浠樿僵 2007-07-03 17:23 鍙戣〃璇勮
]]>
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