锘??xml version="1.0" encoding="utf-8" standalone="yes"?>精品成人一区二区,亚洲精品久久久久久久久,亚洲一区二区三区视频播放http://m.shnenglu.com/paladino/category/4424.html鍦ㄥ姫鍔涖佺(緇冦佹墦鍑諱笅涓嶆柇鍦板悜鐫鐞嗘兂鍓嶈繘zh-cnMon, 19 May 2008 12:46:14 GMTMon, 19 May 2008 12:46:14 GMT60C++澶嶄範錛欳鍩虹(緇撴瀯+鑱斿悎)http://m.shnenglu.com/paladino/archive/2007/06/19/26614.htmlGu.paladinoGu.paladinoTue, 19 Jun 2007 03:29:00 GMThttp://m.shnenglu.com/paladino/archive/2007/06/19/26614.htmlhttp://m.shnenglu.com/paladino/comments/26614.htmlhttp://m.shnenglu.com/paladino/archive/2007/06/19/26614.html#Feedback0http://m.shnenglu.com/paladino/comments/commentRss/26614.htmlhttp://m.shnenglu.com/paladino/services/trackbacks/26614.html
涓銆佺粨鏋勭殑瀹氫箟
瀹氫箟涓涓粨鏋勭殑涓鑸艦寮忎負錛?
struct 緇撴瀯鍚?
{
    鎴愬憳琛ㄥ垪
};
鎴愬憳琛ㄧ敱鑻ュ共涓垚鍛樼粍鎴愶紝 姣忎釜鎴愬憳閮芥槸璇ョ粨鏋勭殑涓涓粍鎴愰儴鍒嗐傚姣忎釜鎴愬憳涔熷繀欏諱綔綾誨瀷璇存槑錛屽叾褰㈠紡涓猴細
綾誨瀷璇存槑絎?鎴愬憳鍚?
鎴愬憳鍚嶇殑鍛藉悕搴旂鍚堟爣璇嗙鐨勪功鍐欒瀹氥?br>璇存槑緇撴瀯鍙橀噺鏈変互涓嬩笁縐嶆柟娉曘備互涓婇潰瀹氫箟鐨剆tu涓轟緥鏉ュ姞浠ヨ鏄庛?br>1. 鍏堝畾涔夌粨鏋勶紝鍐嶈鏄庣粨鏋勫彉閲忋傚錛?
struct stu
{
    int num;
    char name[20];
    char sex;
    float score;
};
struct stu boy1,boy2;
璇存槑浜嗕袱涓彉閲廱oy1鍜宐oy2涓簊tu緇撴瀯綾誨瀷銆備篃鍙互鐢ㄥ畯瀹氫箟浣夸竴涓鍙峰父閲忔潵琛ㄧず涓涓粨鏋勭被鍨嬶紝渚嬪錛?
#define STU struct stu
STU
{
    int num;
    char name[20];
    char sex;
    float score;
};
STU boy1,boy2;

2. 鍦ㄥ畾涔夌粨鏋勭被鍨嬬殑鍚屾椂璇存槑緇撴瀯鍙橀噺銆備緥濡傦細
struct stu
{
    int num;
    char name[20];
    char sex;
    float score;
}boy1,boy2;

3. 鐩存帴璇存槑緇撴瀯鍙橀噺銆備緥濡傦細
struct
{
    int num;
    char name[20];
    char sex;
    float score;
}boy1,boy2;
銆銆絎笁縐嶆柟娉曚笌絎簩縐嶆柟娉曠殑鍖哄埆鍦ㄤ簬絎笁縐嶆柟娉曚腑鐪佸幓浜嗙粨鏋勫悕錛岃岀洿鎺ョ粰鍑虹粨鏋勫彉閲忋備笁縐嶆柟娉曚腑璇存槑鐨刡oy1,boy2鍙橀噺閮藉叿鏈夊浘7.1鎵紺虹殑緇撴瀯銆傝鏄庝簡boy1,boy2鍙橀噺涓簊tu綾誨瀷鍚庯紝鍗沖彲鍚戣繖涓や釜鍙橀噺涓殑鍚勪釜鎴愬憳璧嬪箋傚湪涓婅堪stu緇撴瀯瀹氫箟涓紝鎵鏈夌殑鎴愬憳閮芥槸鍩烘湰鏁版嵁綾誨瀷鎴栨暟緇勭被鍨嬨傛垚鍛樹篃鍙互鍙堟槸涓涓粨鏋勶紝 鍗蟲瀯鎴愪簡宓屽鐨勭粨鏋勩備緥濡傦紝鍥?.2緇欏嚭浜嗗彟涓涓暟鎹粨鏋勩?br>鍦ˋNSI C涓櫎浜嗗厑璁稿叿鏈夌浉鍚岀被鍨嬬殑緇撴瀯鍙橀噺鐩鎬簰璧嬪間互澶栵紝 涓鑸緇撴瀯鍙橀噺鐨勪嬌鐢紝鍖呮嫭璧嬪箋佽緭鍏ャ佽緭鍑恒?榪愮畻絳夐兘鏄氳繃緇撴瀯鍙橀噺鐨勬垚鍛樻潵瀹炵幇鐨勩?br>銆銆琛ㄧず緇撴瀯鍙橀噺鎴愬憳鐨勪竴鑸艦寮忔槸錛?緇撴瀯鍙橀噺鍚?鎴愬憳鍚?br>濡傛灉緇撴瀯鍙橀噺鏄叏灞鍙橀噺鎴栦負闈欐佸彉閲忥紝 鍒欏彲瀵瑰畠浣滃垵濮嬪寲璧嬪箋傚灞閮ㄦ垨鑷姩緇撴瀯鍙橀噺涓嶈兘浣滃垵濮嬪寲璧嬪箋?br>鏁扮粍鐨勫厓绱犱篃鍙互鏄粨鏋勭被鍨嬬殑銆?鍥犳鍙互鏋勬垚緇撴瀯鍨嬫暟緇勩傜粨鏋勬暟緇勭殑姣忎竴涓厓绱犻兘鏄叿鏈夌浉鍚岀粨鏋勭被鍨嬬殑涓嬫爣緇撴瀯鍙橀噺銆?br>
緇撴瀯鎸囬拡鍙橀噺鐨勮鏄庡拰浣跨敤涓涓寚閽堝彉閲忓綋鐢ㄦ潵鎸囧悜涓涓粨鏋勫彉閲忔椂錛?縐頒箣涓虹粨鏋勬寚閽堝彉閲忋?br>緇撴瀯鎸囬拡鍙橀噺涓殑鍊兼槸鎵鎸囧悜鐨勭粨鏋勫彉閲忕殑棣栧湴鍧銆?閫氳繃緇撴瀯鎸囬拡鍗沖彲璁塊棶璇ョ粨鏋勫彉閲忥紝 榪欎笌鏁扮粍鎸囬拡鍜屽嚱鏁版寚閽堢殑鎯呭喌鏄浉鍚岀殑銆傜粨鏋勬寚閽堝彉閲忚鏄庣殑涓鑸艦寮忎負錛?
struct 緇撴瀯鍚?緇撴瀯鎸囬拡鍙橀噺鍚?br>struct stu *pstu;

褰撶劧涔熷彲鍦ㄥ畾涔塻tu緇撴瀯鏃跺悓鏃惰鏄巔stu銆備笌鍓嶉潰璁ㄨ鐨勫悇綾繪寚閽堝彉閲忕浉鍚岋紝緇撴瀯鎸囬拡鍙橀噺涔熷繀欏昏鍏堣祴鍊煎悗鎵嶈兘浣跨敤銆傝祴鍊兼槸鎶婄粨鏋勫彉閲忕殑棣栧湴鍧璧嬩簣璇ユ寚閽堝彉閲忥紝 涓嶈兘鎶婄粨鏋勫悕璧嬩簣璇ユ寚閽堝彉閲忋傚鏋渂oy鏄璇存槑涓簊tu綾誨瀷鐨勭粨鏋勫彉閲忥紝鍒欙細 pstu=&boy鏄紜殑錛岃岋細 pstu=&stu鏄敊璇殑銆?br>
銆銆緇撴瀯鍚嶅拰緇撴瀯鍙橀噺鏄袱涓笉鍚岀殑姒傚康錛屼笉鑳芥販娣嗐?緇撴瀯鍚嶅彧鑳借〃紺轟竴涓粨鏋勫艦寮忥紝緙栬瘧緋葷粺騫朵笉瀵瑰畠鍒嗛厤鍐呭瓨絀洪棿銆?鍙湁褰撴煇鍙橀噺琚鏄庝負榪欑綾誨瀷鐨勭粨鏋勬椂錛屾墠瀵硅鍙橀噺鍒嗛厤瀛樺偍絀洪棿銆?鍥犳涓婇潰&stu榪欑鍐欐硶鏄敊璇殑錛屼笉鍙兘鍘誨彇涓涓粨鏋勫悕鐨勯鍦板潃銆?鏈変簡緇撴瀯鎸囬拡鍙橀噺錛屽氨鑳芥洿鏂逛究鍦拌闂粨鏋勫彉閲忕殑鍚勪釜鎴愬憳銆?br>
鍏惰闂殑涓鑸艦寮忎負錛?(*緇撴瀯鎸囬拡鍙橀噺).鎴愬憳鍚?鎴栦負錛?br>緇撴瀯鎸囬拡鍙橀噺->鎴愬憳鍚?
渚嬪錛?(*pstu).num鎴栬咃細 pstu->num
搴旇娉ㄦ剰(*pstu)涓や晶鐨勬嫭鍙蜂笉鍙皯錛?鍥犱負鎴愬憳絎?#8220;.”鐨勪紭鍏堢駭楂樹簬“*”銆傚鍘繪帀鎷彿鍐欎綔*pstu.num鍒欑瓑鏁堜簬*(pstu.num)錛岃繖鏍鳳紝鎰忎箟灝卞畬鍏ㄤ笉瀵逛簡銆?br>
緇撴瀯鍙橀噺.鎴愬憳鍚?br>(*緇撴瀯鎸囬拡鍙橀噺).鎴愬憳鍚?br>緇撴瀯鎸囬拡鍙橀噺->鎴愬憳鍚?
銆銆榪欎笁縐嶇敤浜庤〃紺虹粨鏋勬垚鍛樼殑褰㈠紡鏄畬鍏ㄧ瓑鏁堢殑銆傜粨鏋勬暟緇勬寚閽堝彉閲忕粨鏋勬寚閽堝彉閲忓彲浠ユ寚鍚戜竴涓粨鏋勬暟緇勶紝 榪欐椂緇撴瀯鎸囬拡鍙橀噺鐨勫兼槸鏁翠釜緇撴瀯鏁扮粍鐨勯鍦板潃銆?緇撴瀯鎸囬拡鍙橀噺涔熷彲鎸囧悜緇撴瀯鏁扮粍鐨勪竴涓厓绱狅紝榪欐椂緇撴瀯鎸囬拡鍙橀噺鐨勫兼槸璇ョ粨鏋勬暟緇勫厓绱犵殑棣栧湴鍧銆傝ps涓烘寚鍚戠粨鏋勬暟緇勭殑鎸囬拡鍙橀噺錛屽垯ps涔熸寚鍚戣緇撴瀯鏁扮粍鐨?鍙峰厓绱狅紝ps+1鎸囧悜1鍙峰厓绱狅紝ps+i鍒欐寚鍚慽鍙峰厓绱犮?榪欎笌鏅氭暟緇勭殑鎯呭喌鏄竴鑷寸殑銆?br>

錛h璦涓笉鍏佽鍔ㄦ佹暟緇勭被鍨嬨備緥濡傦細 int n;scanf("%d",&n);int a[n]; 鐢ㄥ彉閲忚〃紺洪暱搴︼紝鎯沖鏁扮粍鐨勫ぇ灝忎綔鍔ㄦ佽鏄庯紝 榪欐槸閿欒鐨勩備絾鏄湪瀹為檯鐨勭紪紼嬩腑錛屽線寰浼氬彂鐢熻繖縐嶆儏鍐碉紝 鍗蟲墍闇鐨勫唴瀛樼┖闂村彇鍐充簬瀹為檯杈撳叆鐨勬暟鎹紝鑰屾棤娉曢鍏堢‘瀹氥傚浜庤繖縐嶉棶棰橈紝 鐢ㄦ暟緇勭殑鍔炴硶寰堥毦瑙e喅銆備負浜嗚В鍐充笂榪伴棶棰橈紝錛h璦鎻愪緵浜嗕竴浜涘唴瀛樼鐞嗗嚱鏁幫紝榪欎簺鍐呭瓨綆$悊鍑芥暟鍙互鎸夐渶瑕佸姩鎬佸湴鍒嗛厤鍐呭瓨絀洪棿錛?涔熷彲鎶婁笉鍐嶄嬌鐢ㄧ殑絀洪棿鍥炴敹寰呯敤錛屼負鏈夋晥鍦板埄鐢ㄥ唴瀛樿祫婧愭彁渚涗簡鎵嬫銆?甯哥敤鐨勫唴瀛樼鐞嗗嚱鏁版湁浠ヤ笅涓変釜錛?br>1.鍒嗛厤鍐呭瓨絀洪棿鍑芥暟malloc
璋冪敤褰㈠紡錛?(綾誨瀷璇存槑絎?) malloc (size) 鍔熻兘錛氬湪鍐呭瓨鐨勫姩鎬佸瓨鍌ㄥ尯涓垎閰嶄竴鍧楅暱搴︿負"size" 瀛楄妭鐨勮繛緇尯鍩熴傚嚱鏁扮殑榪斿洖鍊間負璇ュ尯鍩熺殑棣栧湴鍧銆?“綾誨瀷璇存槑絎?#8221;琛ㄧず鎶婅鍖哄煙鐢ㄤ簬浣曠鏁版嵁綾誨瀷銆?綾誨瀷璇存槑絎?)琛ㄧず鎶婅繑鍥炲煎己鍒惰漿鎹負璇ョ被鍨嬫寚閽堛?#8220;size”鏄竴涓棤絎﹀彿鏁般備緥濡傦細 pc=(char *) malloc (100); 琛ㄧず鍒嗛厤100涓瓧鑺傜殑鍐呭瓨絀洪棿錛屽茍寮哄埗杞崲涓哄瓧絎︽暟緇勭被鍨嬶紝 鍑芥暟鐨勮繑鍥炲間負鎸囧悜璇ュ瓧絎︽暟緇勭殑鎸囬拡錛?鎶婅鎸囬拡璧嬩簣鎸囬拡鍙橀噺pc銆?br>2.鍒嗛厤鍐呭瓨絀洪棿鍑芥暟 calloc
calloc 涔熺敤浜庡垎閰嶅唴瀛樼┖闂淬傝皟鐢ㄥ艦寮忥細 (綾誨瀷璇存槑絎?)calloc(n,size) 鍔熻兘錛氬湪鍐呭瓨鍔ㄦ佸瓨鍌ㄥ尯涓垎閰峮鍧楅暱搴︿負“size”瀛楄妭鐨勮繛緇尯鍩熴傚嚱鏁扮殑榪斿洖鍊間負璇ュ尯鍩熺殑棣栧湴鍧銆?綾誨瀷璇存槑絎?)鐢ㄤ簬寮哄埗綾誨瀷杞崲銆俢alloc鍑芥暟涓巑alloc 鍑芥暟鐨勫尯鍒粎鍦ㄤ簬涓嬈″彲浠ュ垎閰峮鍧楀尯鍩熴備緥濡傦細 ps=(struet stu*) calloc(2,sizeof (struct stu)); 鍏朵腑鐨剆izeof(struct stu)鏄眰stu鐨勭粨鏋勯暱搴︺傚洜姝よ璇彞鐨勬剰鎬濇槸錛氭寜stu鐨勯暱搴﹀垎閰?鍧楄繛緇尯鍩燂紝寮哄埗杞崲涓簊tu綾誨瀷錛屽茍鎶婂叾棣栧湴鍧璧嬩簣鎸囬拡鍙橀噺ps銆?br>3.閲婃斁鍐呭瓨絀洪棿鍑芥暟free
璋冪敤褰㈠紡錛?free(void*ptr); 鍔熻兘錛氶噴鏀緋tr鎵鎸囧悜鐨勪竴鍧楀唴瀛樼┖闂達紝ptr 鏄竴涓換鎰忕被鍨嬬殑鎸囬拡鍙橀噺錛屽畠鎸囧悜琚噴鏀懼尯鍩熺殑棣栧湴鍧銆傝閲婃斁鍖哄簲鏄敱malloc鎴朿alloc鍑芥暟鎵鍒嗛厤鐨勫尯鍩熴?br>

“鑱斿悎”涓?#8220;緇撴瀯”鏈変竴浜涚浉浼間箣澶勩備絾涓よ呮湁鏈川涓婄殑涓嶅悓銆傚湪緇撴瀯涓悇鎴愬憳鏈夊悇鑷殑鍐呭瓨絀洪棿錛?涓涓粨鏋勫彉閲忕殑鎬婚暱搴︽槸鍚勬垚鍛橀暱搴︿箣鍜屻傝屽湪“鑱斿悎”涓紝鍚勬垚鍛樺叡浜竴孌靛唴瀛樼┖闂達紝 涓涓仈鍚堝彉閲忕殑闀垮害絳変簬鍚勬垚鍛樹腑鏈闀跨殑闀垮害銆傚簲璇ヨ鏄庣殑鏄紝 榪欓噷鎵璋撶殑鍏變韓涓嶆槸鎸囨妸澶氫釜鎴愬憳鍚屾椂瑁呭叆涓涓仈鍚堝彉閲忓唴錛?鑰屾槸鎸囪鑱斿悎鍙橀噺鍙璧嬩簣浠諱竴鎴愬憳鍊鹼紝浣嗘瘡嬈″彧鑳借祴涓縐嶅鹼紝 璧嬪叆鏂板煎垯鍐插幓鏃у箋傚鍓嶉潰浠嬬粛鐨?#8220;鍗曚綅”鍙橀噺錛?濡傚畾涔変負涓涓彲瑁呭叆“鐝駭”鎴?#8220;鏁欑爺瀹?#8221;鐨勮仈鍚堝悗錛屽氨鍏佽璧嬩簣鏁村瀷鍊鹼紙鐝駭)鎴栧瓧絎︿覆錛堟暀鐮斿)銆傝涔堣祴浜堟暣鍨嬪鹼紝瑕佷箞璧嬩簣瀛楃涓詫紝涓嶈兘鎶婁袱鑰呭悓鏃惰祴浜堝畠銆傝仈鍚堢被鍨嬬殑瀹氫箟鍜岃仈鍚堝彉閲忕殑璇存槑涓涓仈鍚堢被鍨嬪繀欏葷粡榪囧畾涔変箣鍚庯紝 鎵嶈兘鎶婂彉閲忚鏄庝負璇ヨ仈鍚堢被鍨嬨?br>涓銆佽仈鍚堢殑瀹氫箟
瀹氫箟涓涓仈鍚堢被鍨嬬殑涓鑸艦寮忎負錛?
union 鑱斿悎鍚?
{
    鎴愬憳琛?
};
鎴愬憳琛ㄤ腑鍚湁鑻ュ共鎴愬憳錛屾垚鍛樼殑涓鑸艦寮忎負錛?綾誨瀷璇存槑絎?鎴愬憳鍚?鎴愬憳鍚嶇殑鍛藉悕搴旂鍚堟爣璇嗙鐨勮瀹氥?br>
灝忕粨
1. 緇撴瀯鍜岃仈鍚堟槸涓ょ鏋勯犵被鍨嬫暟鎹紝鏄敤鎴峰畾涔夋柊鏁版嵁綾誨瀷鐨勯噸瑕佹墜孌點傜粨鏋勫拰鑱斿悎鏈夊緢澶氱殑鐩鎬技涔嬪錛屽畠浠兘鐢辨垚鍛樼粍鎴愩傛垚鍛樺彲浠ュ叿鏈変笉鍚岀殑鏁版嵁綾誨瀷銆傛垚鍛樼殑琛ㄧず鏂規硶鐩稿悓銆傞兘鍙敤涓夌鏂瑰紡浣滃彉閲忚鏄庛?br>2. 鍦ㄧ粨鏋勪腑錛屽悇鎴愬憳閮藉崰鏈夎嚜宸辯殑鍐呭瓨絀洪棿錛屽畠浠槸鍚屾椂瀛樺湪鐨勩備竴涓粨鏋勫彉閲忕殑鎬婚暱搴︾瓑浜庢墍鏈夋垚鍛橀暱搴︿箣鍜屻傚湪鑱斿悎涓紝鎵鏈夋垚鍛樹笉鑳藉悓鏃跺崰鐢ㄥ畠鐨勫唴瀛樼┖闂達紝瀹冧滑涓嶈兘鍚屾椂瀛樺湪銆傝仈鍚堝彉閲忕殑闀垮害絳変簬鏈闀跨殑鎴愬憳鐨勯暱搴︺?br>3. “.”鏄垚鍛樿繍綆楃錛屽彲鐢ㄥ畠琛ㄧず鎴愬憳欏癸紝鎴愬憳榪樺彲鐢?#8220;->”榪愮畻絎︽潵琛ㄧず銆?br>4. 緇撴瀯鍙橀噺鍙互浣滀負鍑芥暟鍙傛暟錛屽嚱鏁頒篃鍙繑鍥炴寚鍚戠粨鏋勭殑鎸囬拡鍙橀噺銆傝岃仈鍚堝彉閲忎笉鑳戒綔涓哄嚱鏁板弬鏁幫紝鍑芥暟涔熶笉鑳借繑鍥炴寚鍚戣仈鍚堢殑鎸囬拡鍙橀噺銆備絾鍙互浣跨敤鎸囧悜鑱斿悎鍙橀噺鐨勬寚閽堬紝涔熷彲浣跨敤鑱斿悎鏁扮粍銆?br>5. 緇撴瀯瀹氫箟鍏佽宓屽錛岀粨鏋勪腑涔熷彲鐢ㄨ仈鍚堜綔涓烘垚鍛橈紝褰㈡垚緇撴瀯鍜岃仈鍚堢殑宓屽銆?br>6. 閾捐〃鏄竴縐嶉噸瑕佺殑鏁版嵁緇撴瀯錛屽畠渚夸簬瀹炵幇鍔ㄦ佺殑瀛樺偍鍒嗛厤銆傛湰绔犱粙緇嶆槸鍗曞悜閾捐〃錛岃繕鍙粍鎴愬弻鍚戦摼琛紝寰幆閾捐〃絳夈?


Gu.paladino 2007-06-19 11:29 鍙戣〃璇勮
]]>
C++澶嶄範錛欳鍩虹(鎸囬拡)http://m.shnenglu.com/paladino/archive/2007/06/19/26613.htmlGu.paladinoGu.paladinoTue, 19 Jun 2007 03:28:00 GMThttp://m.shnenglu.com/paladino/archive/2007/06/19/26613.htmlhttp://m.shnenglu.com/paladino/comments/26613.htmlhttp://m.shnenglu.com/paladino/archive/2007/06/19/26613.html#Feedback0http://m.shnenglu.com/paladino/comments/commentRss/26613.htmlhttp://m.shnenglu.com/paladino/services/trackbacks/26613.html
瀵逛簬涓涓唴瀛樺崟鍏冩潵璇達紝鍗曞厓鐨勫湴鍧鍗充負鎸囬拡錛?鍏朵腑瀛樻斁鐨勬暟鎹墠鏄鍗曞厓鐨勫唴瀹廣傚湪錛h璦涓紝 鍏佽鐢ㄤ竴涓彉閲忔潵瀛樻斁鎸囬拡錛岃繖縐嶅彉閲忕О涓烘寚閽堝彉閲忋傚洜姝わ紝 涓涓寚閽堝彉閲忕殑鍊煎氨鏄煇涓唴瀛樺崟鍏冪殑鍦板潃鎴栫О涓烘煇鍐呭瓨鍗曞厓鐨勬寚閽堛?br>
涓ユ牸鍦拌錛屼竴涓寚閽堟槸涓涓湴鍧錛?鏄竴涓父閲忋傝屼竴涓寚閽堝彉閲忓嵈鍙互琚祴浜堜笉鍚岀殑鎸囬拡鍊鹼紝鏄彉閲忋傛棦鐒舵寚閽堝彉閲忕殑鍊兼槸涓涓湴鍧錛岄偅涔堣繖涓湴鍧涓嶄粎鍙互鏄彉閲忕殑鍦板潃錛屼篃鍙互鏄叾瀹冩暟鎹粨鏋勭殑鍦板潃銆傚湪涓涓寚閽堝彉閲忎腑瀛樻斁涓涓暟緇勬垨涓涓嚱鏁扮殑棣栧湴鍧鏈変綍鎰忎箟鍛紵 鍥犱負鏁扮粍鎴栧嚱鏁伴兘鏄繛緇瓨鏀劇殑銆傞氳繃璁塊棶鎸囬拡鍙橀噺鍙栧緱浜嗘暟緇勬垨鍑芥暟鐨勯鍦板潃錛?涔熷氨鎵懼埌浜嗚鏁扮粍鎴栧嚱鏁般傝繖鏍蜂竴鏉ワ紝鍑℃槸鍑虹幇鏁扮粍錛屽嚱鏁扮殑鍦版柟閮藉彲浠ョ敤涓涓寚閽堝彉閲忔潵琛ㄧず錛屽彧瑕佽鎸囬拡鍙橀噺涓祴浜堟暟緇勬垨鍑芥暟鐨勯鍦板潃鍗沖彲銆傝繖鏍峰仛錛屽皢浼氫嬌紼嬪簭鐨勬蹇靛崄鍒嗘竻妤氾紝紼嬪簭鏈韓涔熺簿緇冿紝楂樻晥銆傚湪錛h璦涓紝涓縐嶆暟鎹被鍨嬫垨鏁版嵁緇撴瀯寰寰閮藉崰鏈変竴緇勮繛緇殑鍐呭瓨鍗曞厓銆?鐢?#8220;鍦板潃”榪欎釜姒傚康騫朵笉鑳藉緢濂藉湴鎻忚堪涓縐嶆暟鎹被鍨嬫垨鏁版嵁緇撴瀯錛岃?#8220;鎸囬拡”铏界劧瀹為檯涓婁篃鏄竴涓湴鍧錛屼絾瀹冨嵈鏄竴涓暟鎹粨鏋勭殑棣栧湴鍧錛屽畠鏄?#8220;鎸囧悜”涓涓暟鎹粨鏋勭殑錛屽洜鑰屾蹇墊洿涓烘竻妤氾紝琛ㄧず鏇翠負鏄庣‘銆傝繖涔熸槸寮曞叆“鎸囬拡”姒傚康鐨勪竴涓噸瑕佸師鍥犮?br>
瀵規寚閽堝彉閲忕殑綾誨瀷璇存槑鍖呮嫭涓変釜鍐呭錛?br>(1)鎸囬拡綾誨瀷璇存槑錛屽嵆瀹氫箟鍙橀噺涓轟竴涓寚閽堝彉閲忥紱
(2)鎸囬拡鍙橀噺鍚嶏紱
(3)鍙橀噺鍊?鎸囬拡)鎵鎸囧悜鐨勫彉閲忕殑鏁版嵁綾誨瀷銆?br>銆銆鍏朵竴鑸艦寮忎負錛?綾誨瀷璇存槑絎?*鍙橀噺鍚嶏紱
銆銆鍏朵腑錛?琛ㄧず榪欐槸涓涓寚閽堝彉閲忥紝鍙橀噺鍚嶅嵆涓哄畾涔夌殑鎸囬拡鍙橀噺鍚嶏紝綾誨瀷璇存槑絎﹁〃紺烘湰鎸囬拡鍙橀噺鎵鎸囧悜鐨勫彉閲忕殑鏁版嵁綾誨瀷銆?br>搴旇娉ㄦ剰鐨勬槸錛屼竴涓寚閽堝彉閲忓彧鑳芥寚鍚戝悓綾誨瀷鐨勫彉閲忥紝濡俧loat *p鍙兘鎸囧悜嫻偣鍙橀噺錛屼笉鑳芥椂鑰屾寚鍚戜竴涓誕鐐瑰彉閲忥紝 鏃惰屽張鎸囧悜涓涓瓧絎﹀彉閲忋?br>
鎸囬拡鍙橀噺鍚屾櫘閫氬彉閲忎竴鏍鳳紝浣跨敤涔嬪墠涓嶄粎瑕佸畾涔夎鏄庯紝 鑰屼笖蹇呴』璧嬩簣鍏蜂綋鐨勫箋傛湭緇忚祴鍊肩殑鎸囬拡鍙橀噺涓嶈兘浣跨敤錛?鍚﹀垯灝嗛犳垚緋葷粺娣蜂貢錛岀敋鑷蟲鏈恒傛寚閽堝彉閲忕殑璧嬪煎彧鑳借祴浜堝湴鍧錛?鍐充笉鑳借祴浜堜換浣曞叾瀹冩暟鎹紝鍚﹀垯灝嗗紩璧烽敊璇傚湪錛h璦涓紝 鍙橀噺鐨勫湴鍧鏄敱緙栬瘧緋葷粺鍒嗛厤鐨勶紝瀵圭敤鎴峰畬鍏ㄩ忔槑錛岀敤鎴蜂笉鐭ラ亾鍙橀噺鐨勫叿浣撳湴鍧銆?錛h璦涓彁渚涗簡鍦板潃榪愮畻絎?amp;鏉ヨ〃紺哄彉閲忕殑鍦板潃銆傚叾涓鑸艦寮忎負錛?& 鍙橀噺鍚嶏紱 濡?amp;a鍙樼ず鍙橀噺a鐨勫湴鍧錛?amp;b琛ㄧず鍙橀噺b鐨勫湴鍧銆?鍙橀噺鏈韓蹇呴』棰勫厛璇存槑銆?br>
鎸囬拡鍙橀噺鍙互榪涜鏌愪簺榪愮畻錛屼絾鍏惰繍綆楃殑縐嶇被鏄湁闄愮殑銆?瀹冨彧鑳借繘琛岃祴鍊艱繍綆楀拰閮ㄥ垎綆楁湳榪愮畻鍙婂叧緋昏繍綆椼?br>1.鎸囬拡榪愮畻絎?br>(1)鍙栧湴鍧榪愮畻絎?amp;
銆銆鍙栧湴鍧榪愮畻絎?amp;鏄崟鐩繍綆楃錛屽叾緇撳悎鎬т負鑷彸鑷沖乏錛屽叾鍔熻兘鏄彇鍙橀噺鐨勫湴鍧銆?br>(2)鍙栧唴瀹硅繍綆楃*
銆銆鍙栧唴瀹硅繍綆楃*鏄崟鐩繍綆楃錛屽叾緇撳悎鎬т負鑷彸鑷沖乏錛岀敤鏉ヨ〃紺烘寚閽堝彉閲忔墍鎸囩殑鍙橀噺銆傚湪*榪愮畻絎︿箣鍚庤窡鐨勫彉閲忓繀欏繪槸鎸囬拡鍙橀噺銆傞渶瑕佹敞鎰忕殑鏄寚閽堣繍綆楃*鍜屾寚閽堝彉閲忚鏄庝腑鐨勬寚閽堣鏄庣* 涓嶆槸涓鍥炰簨銆傚湪鎸囬拡鍙橀噺璇存槑涓紝“*”鏄被鍨嬭鏄庣錛岃〃紺哄叾鍚庣殑鍙橀噺鏄寚閽堢被鍨嬨傝岃〃杈懼紡涓嚭鐜扮殑“*”鍒欐槸涓涓繍綆楃鐢ㄤ互琛ㄧず鎸囬拡鍙橀噺鎵鎸囩殑鍙橀噺銆?br>
浣跨敤瀛楃涓叉寚閽堝彉閲忎笌瀛楃鏁扮粍鐨勫尯鍒?br>鐢ㄥ瓧絎︽暟緇勫拰瀛楃鎸囬拡鍙橀噺閮藉彲瀹炵幇瀛楃涓茬殑瀛樺偍鍜岃繍綆椼?浣嗘槸涓よ呮槸鏈夊尯鍒殑銆傚湪浣跨敤鏃跺簲娉ㄦ剰浠ヤ笅鍑犱釜闂錛?br>1. 瀛楃涓叉寚閽堝彉閲忔湰韜槸涓涓彉閲忥紝鐢ㄤ簬瀛樻斁瀛楃涓茬殑棣栧湴鍧銆傝屽瓧絎︿覆鏈韓鏄瓨鏀懼湪浠ヨ棣栧湴鍧涓洪鐨勪竴鍧楄繛緇殑鍐呭瓨絀洪棿涓茍浠?#8216;\0’浣滀負涓茬殑緇撴潫銆傚瓧絎︽暟緇勬槸鐢變簬鑻ュ共涓暟緇勫厓绱犵粍鎴愮殑錛屽畠鍙敤鏉ュ瓨鏀炬暣涓瓧絎︿覆銆?br>2. 瀵瑰瓧絎︽暟緇勪綔鍒濆鍖栬祴鍊鹼紝蹇呴』閲囩敤澶栭儴綾誨瀷鎴栭潤鎬佺被鍨嬶紝濡傦細 static char st[]={“C Language”};鑰屽瀛楃涓叉寚閽堝彉閲忓垯鏃犳闄愬埗錛屽錛?char *ps="C Language";
3. 瀵瑰瓧絎︿覆鎸囬拡鏂瑰紡 char *ps="C Language";鍙互鍐欎負錛?char *ps;銆ps="C Language";鑰屽鏁扮粍鏂瑰紡錛?
static char st[]={"C Language"};
涓嶈兘鍐欎負錛?br>char st[20];st={"C Language"};
鑰屽彧鑳藉瀛楃鏁扮粍鐨勫悇鍏冪礌閫愪釜璧嬪箋?br>銆銆浠庝互涓婂嚑鐐瑰彲浠ョ湅鍑哄瓧絎︿覆鎸囬拡鍙橀噺涓庡瓧絎︽暟緇勫湪浣跨敤鏃剁殑鍖哄埆錛屽悓鏃朵篃鍙湅鍑轟嬌鐢ㄦ寚閽堝彉閲忔洿鍔犳柟渚褲傚墠闈㈣榪囷紝褰撲竴涓寚閽堝彉閲忓湪鏈彇寰楃‘瀹氬湴鍧鍓嶄嬌鐢ㄦ槸鍗遍櫓鐨勶紝瀹規槗寮曡搗閿欒銆備絾鏄鎸囬拡鍙橀噺鐩存帴璧嬪兼槸鍙互鐨勩傚洜涓篊緋葷粺瀵規寚閽堝彉閲忚祴鍊兼椂瑕佺粰浠ョ‘瀹氱殑鍦板潃銆傚洜姝わ紝
char *ps="C Langage";
鎴栬?char *ps;
ps="C Language";閮芥槸鍚堟硶鐨勩?br>
鍑芥暟鎸囬拡鍙橀噺
鍦跡璇█涓瀹氾紝涓涓嚱鏁版繪槸鍗犵敤涓孌佃繛緇殑鍐呭瓨鍖猴紝 鑰屽嚱鏁板悕灝辨槸璇ュ嚱鏁版墍鍗犲唴瀛樺尯鐨勯鍦板潃銆?鎴戜滑鍙互鎶婂嚱鏁扮殑榪欎釜棣栧湴鍧(鎴栫О鍏ュ彛鍦板潃)璧嬩簣涓涓寚閽堝彉閲忥紝 浣胯鎸囬拡鍙橀噺鎸囧悜璇ュ嚱鏁般傜劧鍚庨氳繃鎸囬拡鍙橀噺灝卞彲浠ユ壘鍒板茍璋冪敤榪欎釜鍑芥暟銆?鎴戜滑鎶婅繖縐嶆寚鍚戝嚱鏁扮殑鎸囬拡鍙橀噺縐頒負“鍑芥暟鎸囬拡鍙橀噺”銆?br>鍑芥暟鎸囬拡鍙橀噺瀹氫箟鐨勪竴鑸艦寮忎負錛?br>綾誨瀷璇存槑絎?(*鎸囬拡鍙橀噺鍚?();
鍏朵腑“綾誨瀷璇存槑絎?#8221;琛ㄧず琚寚鍑芥暟鐨勮繑鍥炲肩殑綾誨瀷銆?#8220;(* 鎸囬拡鍙橀噺鍚?”琛ㄧず“*”鍚庨潰鐨勫彉閲忔槸瀹氫箟鐨勬寚閽堝彉閲忋?鏈鍚庣殑絀烘嫭鍙瘋〃紺烘寚閽堝彉閲忔墍鎸囩殑鏄竴涓嚱鏁般?br>浣跨敤鍑芥暟鎸囬拡鍙橀噺榪樺簲娉ㄦ剰浠ヤ笅涓ょ偣錛?br>a. 鍑芥暟鎸囬拡鍙橀噺涓嶈兘榪涜綆楁湳榪愮畻錛岃繖鏄笌鏁扮粍鎸囬拡鍙橀噺涓嶅悓鐨勩傛暟緇勬寚閽堝彉閲忓姞鍑忎竴涓暣鏁板彲浣挎寚閽堢Щ鍔ㄦ寚鍚戝悗闈㈡垨鍓嶉潰鐨勬暟緇勫厓绱狅紝鑰屽嚱鏁版寚閽堢殑縐誨姩鏄鏃犳剰涔夌殑銆?br>b. 鍑芥暟璋冪敤涓?(*鎸囬拡鍙橀噺鍚?"鐨勪袱杈圭殑鎷彿涓嶅彲灝戯紝鍏朵腑鐨?涓嶅簲璇ョ悊瑙d負姹傚艱繍綆楋紝鍦ㄦ澶勫畠鍙槸涓縐嶈〃紺虹鍙楓?br>

鎸囬拡鍨嬪嚱鏁?br>鎵璋撳嚱鏁扮被鍨嬫槸鎸囧嚱鏁拌繑鍥炲肩殑綾誨瀷銆?鍦跡璇█涓厑璁鎬竴涓嚱鏁扮殑榪斿洖鍊兼槸涓涓寚閽?鍗沖湴鍧)錛?榪欑榪斿洖鎸囬拡鍊肩殑鍑芥暟縐頒負鎸囬拡鍨嬪嚱鏁般?br>瀹氫箟鎸囬拡鍨嬪嚱鏁扮殑涓鑸艦寮忎負錛?
綾誨瀷璇存槑絎?*鍑芥暟鍚?褰㈠弬琛?
{
…… /*鍑芥暟浣?/
}
鍏朵腑鍑芥暟鍚嶄箣鍓嶅姞浜?#8220;*”鍙瘋〃鏄庤繖鏄竴涓寚閽堝瀷鍑芥暟錛屽嵆榪斿洖鍊兼槸涓涓寚閽堛傜被鍨嬭鏄庣琛ㄧず浜嗚繑鍥炵殑鎸囬拡鍊兼墍鎸囧悜鐨勬暟鎹被鍨嬨?br>
main鍑芥暟鍙互甯﹀弬鏁幫紝榪欎釜鍙傛暟鍙互璁や負鏄?main鍑芥暟鐨勫艦寮忓弬鏁般傦跡璇█瑙勫畾main鍑芥暟鐨勫弬鏁板彧鑳芥湁涓や釜錛?涔犳儻涓婅繖涓や釜鍙傛暟鍐欎負argc鍜宎rgv銆傚洜姝わ紝main鍑芥暟鐨勫嚱鏁板ご鍙啓涓猴細 main (argc,argv)錛h璦榪樿瀹歛rgc(絎竴涓艦鍙?蹇呴』鏄暣鍨嬪彉閲?argv( 絎簩涓艦鍙?蹇呴』鏄寚鍚戝瓧絎︿覆鐨勬寚閽堟暟緇勩傚姞涓婂艦鍙傝鏄庡悗錛宮ain鍑芥暟鐨勫嚱鏁板ご搴斿啓涓猴細
main (argc,argv)
int argv;
char *argv[];鎴栧啓鎴愶細
main (int argc,char *argv[])
銆銆鐢變簬main鍑芥暟涓嶈兘琚叾瀹冨嚱鏁拌皟鐢紝 鍥犳涓嶅彲鑳藉湪紼嬪簭鍐呴儴鍙栧緱瀹為檯鍊箋傞偅涔堬紝鍦ㄤ綍澶勬妸瀹炲弬鍊艱祴浜坢ain鍑芥暟鐨勫艦鍙傚憿? 瀹為檯涓?main鍑芥暟鐨勫弬鏁板兼槸浠庢搷浣滅郴緇熷懡浠よ涓婅幏寰楃殑銆傚綋鎴戜滑瑕佽繍琛屼竴涓彲鎵ц鏂囦歡鏃訛紝鍦―OS鎻愮ず絎︿笅閿叆鏂囦歡鍚嶏紝鍐嶈緭鍏ュ疄闄呭弬鏁板嵆鍙妸榪欎簺瀹炲弬浼犻佸埌main鐨勫艦鍙備腑鍘匯?br>
閫氳繃鎸囬拡璁塊棶鍙橀噺縐頒負闂存帴璁塊棶錛?綆縐伴棿璁褲傜敱浜庢寚閽堝彉閲忕洿鎺ユ寚鍚戝彉閲忥紝鎵浠ョО涓哄崟綰ч棿璁褲?鑰屽鏋滈氳繃鎸囧悜鎸囬拡鐨勬寚閽堝彉閲忔潵璁塊棶鍙橀噺鍒欐瀯鎴愪簡浜岀駭鎴栧綰ч棿璁褲傚湪錛h璦紼嬪簭涓紝瀵歸棿璁跨殑綰ф暟騫舵湭鏄庣‘闄愬埗錛?浣嗘槸闂磋綰ф暟澶鏃朵笉瀹規槗鐞嗚В瑙o紝涔熷鏄撳嚭閿欙紝鍥犳錛屼竴鑸緢灝戣秴榪囦簩綰ч棿璁褲?鎸囧悜鎸囬拡鐨勬寚閽堝彉閲忚鏄庣殑涓鑸艦寮忎負錛?
綾誨瀷璇存槑絎?* 鎸囬拡鍙橀噺鍚嶏紱

灝忕粨
1. 鎸囬拡鏄跡璇█涓竴涓噸瑕佺殑緇勬垚閮ㄥ垎錛屼嬌鐢ㄦ寚閽堢紪紼嬫湁浠ヤ笅浼樼偣錛?br>(1)鎻愰珮紼嬪簭鐨勭紪璇戞晥鐜囧拰鎵ц閫熷害銆?br>(2)閫氳繃鎸囬拡鍙嬌鐢ㄤ富璋冨嚱鏁板拰琚皟鍑芥暟涔嬮棿鍏變韓鍙橀噺鎴栨暟鎹粨鏋勶紝渚夸簬瀹炵幇鍙屽悜鏁版嵁閫氳銆?br>(3)鍙互瀹炵幇鍔ㄦ佺殑瀛樺偍鍒嗛厤銆?br>(4)渚夸簬琛ㄧず鍚勭鏁版嵁緇撴瀯錛岀紪鍐欓珮璐ㄩ噺鐨勭▼搴忋?br>
2. 鎸囬拡鐨勮繍綆?br>(1)鍙栧湴鍧榪愮畻絎?amp;錛氭眰鍙橀噺鐨勫湴鍧
(2)鍙栧唴瀹硅繍綆楃*錛氳〃紺烘寚閽堟墍鎸囩殑鍙橀噺
(3)璧嬪艱繍綆?br>·鎶婂彉閲忓湴鍧璧嬩簣鎸囬拡鍙橀噺
·鍚岀被鍨嬫寚閽堝彉閲忕浉浜掕祴鍊?br>·鎶婃暟緇勶紝瀛楃涓茬殑棣栧湴鍧璧嬩簣鎸囬拡鍙橀噺
·鎶婂嚱鏁板叆鍙e湴鍧璧嬩簣鎸囬拡鍙橀噺
(4)鍔犲噺榪愮畻
瀵規寚鍚戞暟緇勶紝瀛楃涓茬殑鎸囬拡鍙橀噺鍙互榪涜鍔犲噺榪愮畻錛屽p+n,p-n,p++,p--絳夈傚鎸囧悜鍚屼竴鏁扮粍鐨勪袱涓寚閽堝彉閲忓彲浠ョ浉鍑忋傚鎸囧悜鍏跺畠綾誨瀷鐨勬寚閽堝彉閲忎綔鍔犲噺榪愮畻鏄棤鎰忎箟鐨勩?
(5)鍏崇郴榪愮畻
鎸囧悜鍚屼竴鏁扮粍鐨勪袱涓寚閽堝彉閲忎箣闂村彲浠ヨ繘琛屽ぇ浜庛佸皬浜庛?絳変簬姣旇緝榪愮畻銆傛寚閽堝彲涓?姣旇緝錛宲==0琛ㄧずp涓虹┖鎸囬拡銆?br>
3. 涓庢寚閽堟湁鍏崇殑鍚勭璇存槑鍜屾剰涔夎涓嬭〃銆?br>int *p; 銆銆銆 p涓烘寚鍚戞暣鍨嬮噺鐨勬寚閽堝彉閲?br>int *p[n]; 銆銆p涓烘寚閽堟暟緇勶紝鐢眓涓寚鍚戞暣鍨嬮噺鐨勬寚閽堝厓绱犵粍鎴愩?br>int (*p)[n]; 銆p涓烘寚鍚戞暣鍨嬩簩緇存暟緇勭殑鎸囬拡鍙橀噺錛屼簩緇存暟緇勭殑鍒楁暟涓簄
int *p() 銆銆銆p涓鴻繑鍥炴寚閽堝肩殑鍑芥暟錛岃鎸囬拡鎸囧悜鏁村瀷閲?br>int (*p)() 銆銆p涓烘寚鍚戝嚱鏁扮殑鎸囬拡錛岃鍑芥暟榪斿洖鏁村瀷閲?br>int **p 銆銆銆 p涓轟竴涓寚鍚戝彟涓鎸囬拡鐨勬寚閽堝彉閲忥紝璇ユ寚閽堟寚鍚戜竴涓暣鍨嬮噺銆?br>
4. 鏈夊叧鎸囬拡鐨勮鏄庡緢澶氭槸鐢辨寚閽堬紝鏁扮粍錛屽嚱鏁拌鏄庣粍鍚堣屾垚鐨勩?br>浣嗗茍涓嶆槸鍙互浠繪剰緇勫悎錛屼緥濡傛暟緇勪笉鑳界敱鍑芥暟緇勬垚錛屽嵆鏁扮粍鍏冪礌涓嶈兘鏄竴涓嚱鏁幫紱鍑芥暟涔熶笉鑳借繑鍥炰竴涓暟緇勬垨榪斿洖鍙︿竴涓嚱鏁般備緥濡?br>int a[5]()錛涘氨鏄敊璇殑銆?br>
5. 鍏充簬鎷彿
鍦ㄨВ閲婄粍鍚堣鏄庣鏃訛紝 鏍囪瘑絎﹀彸杈圭殑鏂規嫭鍙峰拰鍦嗘嫭鍙蜂紭鍏堜簬鏍囪瘑絎﹀乏杈圭殑“*”鍙鳳紝鑰屾柟鎷彿鍜屽渾鎷彿浠ョ浉鍚岀殑浼樺厛綰т粠宸﹀埌鍙崇粨鍚堛備絾鍙互鐢ㄥ渾鎷彿鏀瑰彉綰﹀畾鐨勭粨鍚堥『搴忋?br>
6. 闃呰緇勫悎璇存槑絎︾殑瑙勫垯鏄?#8220;浠庨噷鍚戝”銆?br>浠庢爣璇嗙寮濮嬶紝鍏堢湅瀹冨彸杈規湁鏃犳柟鎷彿鎴栧洯鎷彿錛屽鏈夊垯鍏堜綔鍑鴻В閲婏紝鍐嶇湅宸﹁竟鏈夋棤*鍙楓?濡傛灉鍦ㄤ換浣曟椂鍊欓亣鍒頒簡闂嫭鍙鳳紝鍒欏湪緇х畫涔嬪墠蹇呴』鐢ㄧ浉鍚岀殑瑙勫垯澶勭悊鎷彿鍐呯殑鍐呭銆備緥濡傦細
int*(*(*a)())[10]
↑ ↑↑↑↑↑↑
7 6 4 2 1 3 5
涓婇潰緇欏嚭浜嗙敱鍐呭悜澶栫殑闃呰欏哄簭錛屼笅闈㈡潵瑙i噴瀹冿細
(1)鏍囪瘑絎琚鏄庝負錛?br>(2)涓涓寚閽堝彉閲忥紝瀹冩寚鍚戯紱
(3)涓涓嚱鏁幫紝瀹冭繑鍥烇紱
(4)涓涓寚閽堬紝璇ユ寚閽堟寚鍚戯紱
(5)涓涓湁10涓厓绱犵殑鏁扮粍錛屽叾綾誨瀷涓猴紱
(6)鎸囬拡鍨嬶紝瀹冩寚鍚戯紱
(7)int鍨嬫暟鎹?br>鍥犳a鏄竴涓嚱鏁版寚閽堝彉閲忥紝璇ュ嚱鏁拌繑鍥炵殑涓涓寚閽堝煎張鎸囧悜涓涓寚閽堟暟緇勶紝璇ユ寚閽堟暟緇勭殑鍏冪礌鎸囧悜鏁村瀷閲忋?br>



Gu.paladino 2007-06-19 11:28 鍙戣〃璇勮
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C++澶嶄範錛欳鍩虹(鏁扮粍+鍑芥暟)http://m.shnenglu.com/paladino/archive/2007/06/18/26549.htmlGu.paladinoGu.paladinoMon, 18 Jun 2007 02:14:00 GMThttp://m.shnenglu.com/paladino/archive/2007/06/18/26549.htmlhttp://m.shnenglu.com/paladino/comments/26549.htmlhttp://m.shnenglu.com/paladino/archive/2007/06/18/26549.html#Feedback0http://m.shnenglu.com/paladino/comments/commentRss/26549.htmlhttp://m.shnenglu.com/paladino/services/trackbacks/26549.html
    鍦跡璇█涓紝 鏁扮粍灞炰簬鏋勯犳暟鎹被鍨嬨備竴涓暟緇勫彲浠ュ垎瑙d負澶氫釜鏁扮粍鍏冪礌錛岃繖浜涙暟緇勫厓绱犲彲浠ユ槸鍩烘湰鏁版嵁綾誨瀷鎴栨槸鏋勯犵被鍨嬨傚洜姝ゆ寜鏁扮粍鍏冪礌鐨勭被鍨嬩笉鍚岋紝鏁扮粍鍙堝彲鍒嗕負鏁板兼暟緇勩佸瓧絎︽暟緇勩佹寚閽堟暟緇勩佺粨鏋勬暟緇勭瓑鍚勭綾誨埆銆?br>
鏁扮粍璇存槑鐨勪竴鑸艦寮忎負錛?
        綾誨瀷璇存槑絎?鏁扮粍鍚?[甯擱噺琛ㄨ揪寮廬錛?#8230;…錛?
鍏朵腑錛岀被鍨嬭鏄庣鏄換涓縐嶅熀鏈暟鎹被鍨嬫垨鏋勯犳暟鎹被鍨嬨?鏁扮粍鍚嶆槸鐢ㄦ埛瀹氫箟鐨勬暟緇勬爣璇嗙銆?鏂規嫭鍙蜂腑鐨勫父閲忚〃杈懼紡琛ㄧず鏁版嵁鍏冪礌鐨勪釜鏁幫紝涔熺О涓烘暟緇勭殑闀垮害銆?br>
瀵逛簬鏁扮粍綾誨瀷璇存槑搴旀敞鎰忥細
鏁扮粍鐨勭被鍨嬪疄闄呬笂鏄寚鏁扮粍鍏冪礌鐨勫彇鍊肩被鍨嬨傚浜庡悓涓涓暟緇勶紝鍏舵墍鏈夊厓绱犵殑鏁版嵁綾誨瀷閮芥槸鐩稿悓鐨勩傛暟緇勫悕鐨勪功鍐欒鍒欏簲絎﹀悎鏍囪瘑絎︾殑涔﹀啓瑙勫畾銆傛暟緇勫悕涓嶈兘涓庡叾瀹冨彉閲忓悕鐩稿悓銆傛柟鎷彿涓父閲忚〃杈懼紡琛ㄧず鏁扮粍鍏冪礌鐨勪釜鏁般備笉鑳藉湪鏂規嫭鍙蜂腑鐢ㄥ彉閲忔潵琛ㄧず鍏冪礌鐨勪釜鏁幫紝 浣嗘槸鍙互鏄鍙峰父鏁版垨甯擱噺琛ㄨ揪寮忋傚厑璁稿湪鍚屼竴涓被鍨嬭鏄庝腑錛岃鏄庡涓暟緇勫拰澶氫釜鍙橀噺銆?br>
C璇█瀵規暟緇勭殑鍒濆璧嬪艱繕鏈変互涓嬪嚑鐐硅瀹氾細
鍙互鍙粰閮ㄥ垎鍏冪礌璧嬪垵鍊箋傚綋{ }涓肩殑涓暟灝戜簬鍏冪礌涓暟鏃訛紝鍙粰鍓嶉潰閮ㄥ垎鍏冪礌璧嬪箋?br>渚嬪static int a[10]={0,1,2,3,4};琛ㄧず鍙粰a[0]锝瀉[4]5涓厓绱犺祴鍊鹼紝鑰屽悗5涓厓绱犺嚜鍔ㄨ祴0鍊箋?br>鍙兘緇欏厓绱犻愪釜璧嬪鹼紝涓嶈兘緇欐暟緇勬暣浣撹祴鍊箋?br>渚嬪緇欏崄涓厓绱犲叏閮ㄨ祴1鍊鹼紝鍙兘鍐欎負錛?static int a[10]={1,1,1,1,1,1,1,1,1,1};鑰屼笉鑳藉啓涓猴細static int a[10]=1;
濡備笉緇欏彲鍒濆鍖栫殑鏁扮粍璧嬪垵鍊鹼紝鍒欏叏閮ㄥ厓绱犲潎涓?鍊箋?br>濡傜粰鍏ㄩ儴鍏冪礌璧嬪鹼紝鍒欏湪鏁扮粍璇存槑涓紝 鍙互涓嶇粰鍑烘暟緇勫厓绱犵殑涓暟銆?br>渚嬪static int a[5]={1,2,3,4,5};鍙啓涓猴細 static int a[]={1,2,3,4,5};鍔ㄦ佽祴鍊煎彲浠ュ湪紼嬪簭鎵ц榪囩▼涓紝瀵規暟緇勪綔鍔ㄦ佽祴鍊箋?榪欐椂鍙敤寰幆璇彞閰嶅悎scanf鍑芥暟閫愪釜瀵規暟緇勫厓绱犺祴鍊箋?br>
瀛楃鏁扮粍:鐢ㄦ潵瀛樻斁瀛楃閲忕殑鏁扮粍縐頒負瀛楃鏁扮粍銆傚瓧絎︽暟緇勭被鍨嬭鏄庣殑褰㈠紡涓庡墠闈粙緇嶇殑鏁板兼暟緇勭浉鍚屻?br>錛h璦鍏佽鐢ㄥ瓧絎︿覆鐨勬柟寮忓鏁扮粍浣滃垵濮嬪寲璧嬪箋傜敤瀛楃涓叉柟寮忚祴鍊兼瘮鐢ㄥ瓧絎﹂愪釜璧嬪艱澶氬崰涓涓瓧鑺傦紝 鐢ㄤ簬瀛樻斁瀛楃涓茬粨鏉熸爣蹇?\0'銆?br>

鍑芥暟
錛f簮紼嬪簭鏄敱鍑芥暟緇勬垚鐨勩?铏界劧鍦ㄥ墠闈㈠悇绔犵殑紼嬪簭涓兘鍙湁涓涓富鍑芥暟main()錛?浣嗗疄鐢ㄧ▼搴忓線寰鐢卞涓嚱鏁扮粍鎴愩傚嚱鏁版槸錛f簮紼嬪簭鐨勫熀鏈ā鍧楋紝 閫氳繃瀵瑰嚱鏁版ā鍧楃殑璋冪敤瀹炵幇鐗瑰畾鐨勫姛鑳姐?br>浠庡嚱鏁板畾涔夌殑瑙掑害鐪嬶紝鍑芥暟鍙垎涓哄簱鍑芥暟鍜岀敤鎴峰畾涔夊嚱鏁頒袱縐嶃?br>搴撳嚱鏁扮敱錛g郴緇熸彁渚涳紝鐢ㄦ埛鏃犻』瀹氫箟錛?涔熶笉蹇呭湪紼嬪簭涓綔綾誨瀷璇存槑錛屽彧闇鍦ㄧ▼搴忓墠鍖呭惈鏈夎鍑芥暟鍘熷瀷鐨勫ご鏂囦歡鍗沖彲鍦ㄧ▼搴忎腑鐩存帴璋冪敤銆?br>鐢ㄦ埛瀹氫箟鍑芥暟鐢辯敤鎴鋒寜闇瑕佸啓鐨勫嚱鏁般傚浜庣敤鎴瘋嚜瀹氫箟鍑芥暟錛?涓嶄粎瑕佸湪紼嬪簭涓畾涔夊嚱鏁版湰韜紝 鑰屼笖鍦ㄤ富璋冨嚱鏁版ā鍧椾腑榪樺繀欏誨璇ヨ璋冨嚱鏁拌繘琛岀被鍨嬭鏄庯紝鐒跺悗鎵嶈兘浣跨敤銆?br>
錛h璦鐨勫嚱鏁板吋鏈夊叾瀹冭璦涓殑鍑芥暟鍜岃繃紼嬩袱縐嶅姛鑳斤紝浠庤繖涓搴︾湅錛屽張鍙妸鍑芥暟鍒嗕負鏈夎繑鍥炲煎嚱鏁板拰鏃犺繑鍥炲煎嚱鏁頒袱縐嶃傛湁榪斿洖鍊煎嚱鏁幫紝姝ょ被鍑芥暟琚皟鐢ㄦ墽琛屽畬鍚庡皢鍚戣皟鐢ㄨ呰繑鍥炰竴涓墽琛岀粨鏋滐紝 縐頒負鍑芥暟榪斿洖鍊箋傚鏁板鍑芥暟鍗沖睘浜庢綾誨嚱鏁般?鐢辯敤鎴峰畾涔夌殑榪欑瑕佽繑鍥炲嚱鏁板肩殑鍑芥暟錛屽繀欏誨湪鍑芥暟瀹氫箟鍜屽嚱鏁拌鏄庝腑鏄庣‘榪斿洖鍊肩殑綾誨瀷銆傛棤榪斿洖鍊煎嚱鏁幫紝姝ょ被鍑芥暟鐢ㄤ簬瀹屾垚鏌愰」鐗瑰畾鐨勫鐞嗕換鍔★紝 鎵ц瀹屾垚鍚庝笉鍚戣皟鐢ㄨ呰繑鍥炲嚱鏁板箋傝繖綾誨嚱鏁扮被浼間簬鍏跺畠璇█鐨勮繃紼嬨?鐢變簬鍑芥暟鏃犻』榪斿洖鍊鹼紝鐢ㄦ埛鍦ㄥ畾涔夋綾誨嚱鏁版椂鍙寚瀹氬畠鐨勮繑鍥炰負“絀虹被鍨?#8221;錛?絀虹被鍨嬬殑璇存槑絎︿負“void”銆?br>
浠庝富璋冨嚱鏁板拰琚皟鍑芥暟涔嬮棿鏁版嵁浼犻佺殑瑙掑害鐪嬪張鍙垎涓烘棤鍙傚嚱鏁板拰鏈夊弬鍑芥暟涓ょ銆?br>鏃犲弬鍑芥暟錛屽嚱鏁板畾涔夈佸嚱鏁拌鏄庡強鍑芥暟璋冪敤涓潎涓嶅甫鍙傛暟銆?涓昏皟鍑芥暟鍜岃璋冨嚱鏁頒箣闂翠笉榪涜鍙傛暟浼犻併?姝ょ被鍑芥暟閫氬父鐢ㄦ潵瀹屾垚涓緇勬寚瀹氱殑鍔熻兘錛屽彲浠ヨ繑鍥炴垨涓嶈繑鍥炲嚱鏁板箋傛湁鍙傚嚱鏁幫紝涔熺О涓哄甫鍙傚嚱鏁般傚湪鍑芥暟瀹氫箟鍙婂嚱鏁拌鏄庢椂閮芥湁鍙傛暟錛?縐頒負褰㈠紡鍙傛暟(綆縐頒負褰㈠弬)銆傚湪鍑芥暟璋冪敤鏃朵篃蹇呴』緇欏嚭鍙傛暟錛?縐頒負瀹為檯鍙傛暟(綆縐頒負瀹炲弬)銆?榪涜鍑芥暟璋冪敤鏃訛紝涓昏皟鍑芥暟灝嗘妸瀹炲弬鐨勫間紶閫佺粰褰㈠弬錛屼緵琚皟鍑芥暟浣跨敤銆?br>

錛h璦鎻愪緵浜嗘瀬涓轟赴瀵岀殑搴撳嚱鏁幫紝 榪欎簺搴撳嚱鏁板張鍙粠鍔熻兘瑙掑害浣滀互涓嬪垎綾匯?br>(1)瀛楃綾誨瀷鍒嗙被鍑芥暟
銆銆鐢ㄤ簬瀵瑰瓧絎︽寜ASCII鐮佸垎綾伙細瀛楁瘝錛屾暟瀛楋紝鎺у埗瀛楃錛屽垎闅旂錛屽ぇ灝忓啓瀛楁瘝絳夈?br>(2)杞崲鍑芥暟
銆銆鐢ㄤ簬瀛楃鎴栧瓧絎︿覆鐨勮漿鎹紱鍦ㄥ瓧絎﹂噺鍜屽悇綾繪暟瀛楅噺 (鏁村瀷錛?瀹炲瀷絳?涔嬮棿榪涜杞崲錛涘湪澶с佸皬鍐欎箣闂磋繘琛岃漿鎹€?br>(3)鐩綍璺緞鍑芥暟
銆銆鐢ㄤ簬鏂囦歡鐩綍鍜岃礬寰勬搷浣溿?br>(4)璇婃柇鍑芥暟
銆銆鐢ㄤ簬鍐呴儴閿欒媯嫻嬨?br>(5)鍥懼艦鍑芥暟
銆銆鐢ㄤ簬灞忓箷綆$悊鍜屽悇縐嶅浘褰㈠姛鑳姐?
(6)杈撳叆杈撳嚭鍑芥暟
銆銆鐢ㄤ簬瀹屾垚杈撳叆杈撳嚭鍔熻兘銆?br>(7)鎺ュ彛鍑芥暟
銆銆鐢ㄤ簬涓嶥OS錛孊IOS鍜岀‖浠剁殑鎺ュ彛銆?br>(8)瀛楃涓插嚱鏁?
銆銆鐢ㄤ簬瀛楃涓叉搷浣滃拰澶勭悊銆?br>(9)鍐呭瓨綆$悊鍑芥暟
銆銆鐢ㄤ簬鍐呭瓨綆$悊銆?br>(10)鏁板鍑芥暟
銆銆鐢ㄤ簬鏁板鍑芥暟璁$畻銆?br>(11)鏃ユ湡鍜屾椂闂村嚱鏁?br>銆銆鐢ㄤ簬鏃ユ湡錛屾椂闂磋漿鎹㈡搷浣溿?br>(12)榪涚▼鎺у埗鍑芥暟
銆銆鐢ㄤ簬榪涚▼綆$悊鍜屾帶鍒躲?br>(13)鍏跺畠鍑芥暟
銆銆鐢ㄤ簬鍏跺畠鍚勭鍔熻兘銆?br>
錛h璦涓紝鎵鏈夌殑鍑芥暟瀹氫箟錛屽寘鎷富鍑芥暟main鍦ㄥ唴錛岄兘鏄鉤琛岀殑銆備篃灝辨槸璇達紝鍦ㄤ竴涓嚱鏁扮殑鍑芥暟浣撳唴錛?涓嶈兘鍐嶅畾涔夊彟涓涓嚱鏁幫紝 鍗充笉鑳藉祵濂楀畾涔夈備絾鏄嚱鏁頒箣闂村厑璁哥浉浜掕皟鐢紝涔熷厑璁稿祵濂楄皟鐢ㄣ備範鎯笂鎶婅皟鐢ㄨ呯О涓轟富璋冨嚱鏁般?鍑芥暟榪樺彲浠ヨ嚜宸辮皟鐢ㄨ嚜宸憋紝縐頒負閫掑綊璋冪敤銆俶ain 鍑芥暟鏄富鍑芥暟錛屽畠鍙互璋冪敤鍏跺畠鍑芥暟錛岃屼笉鍏佽琚叾瀹冨嚱鏁拌皟鐢ㄣ?鍥犳錛岋跡紼嬪簭鐨勬墽琛屾繪槸浠巑ain鍑芥暟寮濮嬶紝 瀹屾垚瀵瑰叾瀹冨嚱鏁扮殑璋冪敤鍚庡啀榪斿洖鍒癿ain鍑芥暟錛屾渶鍚庣敱main鍑芥暟緇撴潫鏁翠釜紼嬪簭銆備竴涓跡婧愮▼搴忓繀欏繪湁錛屼篃鍙兘鏈変竴涓富鍑芥暟main銆?br>
鍑芥暟鐨勫弬鏁板垎涓哄艦鍙傚拰瀹炲弬涓ょ銆傚艦鍙傚嚭鐜板湪鍑芥暟瀹氫箟涓紝鍦ㄦ暣涓嚱鏁頒綋鍐呴兘鍙互浣跨敤錛?紱誨紑璇ュ嚱鏁板垯涓嶈兘浣跨敤銆傚疄鍙傚嚭鐜板湪涓昏皟鍑芥暟涓紝榪涘叆琚皟鍑芥暟鍚庯紝瀹炲弬鍙橀噺涔熶笉鑳戒嬌鐢ㄣ?褰㈠弬鍜屽疄鍙傜殑鍔熻兘鏄綔鏁版嵁浼犻併傚彂鐢熷嚱鏁拌皟鐢ㄦ椂錛?涓昏皟鍑芥暟鎶婂疄鍙傜殑鍊間紶閫佺粰琚皟鍑芥暟鐨勫艦鍙備粠鑰屽疄鐜頒富璋冨嚱鏁板悜琚皟鍑芥暟鐨勬暟鎹紶閫併?br>
鍑芥暟鐨勫艦鍙傚拰瀹炲弬鍏鋒湁浠ヤ笅鐗圭偣錛?br>1.褰㈠弬鍙橀噺鍙湁鍦ㄨ璋冪敤鏃舵墠鍒嗛厤鍐呭瓨鍗曞厓錛屽湪璋冪敤緇撴潫鏃訛紝 鍗沖埢閲婃斁鎵鍒嗛厤鐨勫唴瀛樺崟鍏冦傚洜姝わ紝褰㈠弬鍙湁鍦ㄥ嚱鏁板唴閮ㄦ湁鏁堛?鍑芥暟璋冪敤緇撴潫榪斿洖涓昏皟鍑芥暟鍚庡垯涓嶈兘鍐嶄嬌鐢ㄨ褰㈠弬鍙橀噺銆?br>2.瀹炲弬鍙互鏄父閲忋佸彉閲忋佽〃杈懼紡銆佸嚱鏁扮瓑錛?鏃犺瀹炲弬鏄綍縐嶇被鍨嬬殑閲忥紝鍦ㄨ繘琛屽嚱鏁拌皟鐢ㄦ椂錛屽畠浠兘蹇呴』鍏鋒湁紜畾鐨勫鹼紝 浠ヤ究鎶婅繖浜涘間紶閫佺粰褰㈠弬銆?鍥犳搴旈鍏堢敤璧嬪鹼紝杈撳叆絳夊姙娉曚嬌瀹炲弬鑾峰緱紜畾鍊箋?br>3.瀹炲弬鍜屽艦鍙傚湪鏁伴噺涓婏紝綾誨瀷涓婏紝欏哄簭涓婂簲涓ユ牸涓鑷達紝 鍚﹀垯浼氬彂鐢?#8220;綾誨瀷涓嶅尮閰?#8221;鐨勯敊璇?br>4.鍑芥暟璋冪敤涓彂鐢熺殑鏁版嵁浼犻佹槸鍗曞悜鐨勩?鍗沖彧鑳芥妸瀹炲弬鐨勫間紶閫佺粰褰㈠弬錛岃屼笉鑳芥妸褰㈠弬鐨勫煎弽鍚戝湴浼犻佺粰瀹炲弬銆?鍥犳鍦ㄥ嚱鏁拌皟鐢ㄨ繃紼嬩腑錛屽艦鍙傜殑鍊煎彂鐢熸敼鍙橈紝鑰屽疄鍙備腑鐨勫間笉浼氬彉鍖栥傚疄鍙傜殑鍊間笉闅忓艦鍙傜殑鍙樺寲鑰屽彉鍖栥?br>
鐢ㄦ暟緇勫悕浣滃嚱鏁板弬鏁頒笌鐢ㄦ暟緇勫厓绱犱綔瀹炲弬鏈夊嚑鐐逛笉鍚岋細
1. 鐢ㄦ暟緇勫厓绱犱綔瀹炲弬鏃訛紝鍙鏁扮粍綾誨瀷鍜屽嚱鏁扮殑褰㈠弬鍙橀噺鐨勭被鍨嬩竴鑷達紝閭d箞浣滀負涓嬫爣鍙橀噺鐨勬暟緇勫厓绱犵殑綾誨瀷涔熷拰鍑芥暟褰㈠弬鍙橀噺鐨勭被鍨嬫槸涓鑷寸殑銆傚洜姝わ紝 騫朵笉瑕佹眰鍑芥暟鐨勫艦鍙備篃鏄笅鏍囧彉閲忋?鎹㈠彞璇濊錛屽鏁扮粍鍏冪礌鐨勫鐞嗘槸鎸夋櫘閫氬彉閲忓寰呯殑銆傜敤鏁扮粍鍚嶄綔鍑芥暟鍙傛暟鏃訛紝 鍒欒姹傚艦鍙傚拰鐩稿搴旂殑瀹炲弬閮藉繀欏繪槸綾誨瀷鐩稿悓鐨勬暟緇勶紝閮藉繀欏繪湁鏄庣‘鐨勬暟緇勮鏄庛傚綋褰㈠弬鍜屽疄鍙備簩鑰呬笉涓鑷存椂錛屽嵆浼氬彂鐢熼敊璇?br>
2. 鍦ㄦ櫘閫氬彉閲忔垨涓嬫爣鍙橀噺浣滃嚱鏁板弬鏁版椂錛屽艦鍙傚彉閲忓拰瀹炲弬鍙橀噺鏄敱緙栬瘧緋葷粺鍒嗛厤鐨勪袱涓笉鍚岀殑鍐呭瓨鍗曞厓銆傚湪鍑芥暟璋冪敤鏃跺彂鐢熺殑鍊間紶閫佹槸鎶婂疄鍙傚彉閲忕殑鍊艱祴浜堝艦鍙傚彉閲忋傚湪鐢ㄦ暟緇勫悕浣滃嚱鏁板弬鏁版椂錛屼笉鏄繘琛屽肩殑浼犻侊紝鍗充笉鏄妸瀹炲弬鏁扮粍鐨勬瘡涓涓厓绱犵殑鍊奸兘璧嬩簣褰㈠弬鏁扮粍鐨勫悇涓厓绱犮傚洜涓哄疄闄呬笂褰㈠弬鏁扮粍騫朵笉瀛樺湪錛岀紪璇戠郴緇熶笉涓哄艦鍙傛暟緇勫垎閰嶅唴瀛樸傞偅涔堬紝鏁版嵁鐨勪紶閫佹槸濡備綍瀹炵幇鐨勫憿? 鍦ㄧ鍥涚珷涓垜浠浘浠嬬粛榪囷紝鏁扮粍鍚嶅氨鏄暟緇勭殑棣栧湴鍧銆傚洜姝ゅ湪鏁扮粍鍚嶄綔鍑芥暟鍙傛暟鏃舵墍榪涜鐨勪紶閫佸彧鏄湴鍧鐨勪紶閫侊紝 涔熷氨鏄鎶婂疄鍙傛暟緇勭殑棣栧湴鍧璧嬩簣褰㈠弬鏁扮粍鍚嶃傚艦鍙傛暟緇勫悕鍙栧緱璇ラ鍦板潃涔嬪悗錛屼篃灝辯瓑浜庢湁浜嗗疄鍦ㄧ殑鏁扮粍銆傚疄闄呬笂鏄艦鍙傛暟緇勫拰瀹炲弬鏁扮粍涓哄悓涓鏁扮粍錛屽叡鍚屾嫢鏈変竴孌靛唴瀛樼┖闂淬?br>
錛h璦涓笉鍏佽浣滃祵濂楃殑鍑芥暟瀹氫箟銆傚洜姝ゅ悇鍑芥暟涔嬮棿鏄鉤琛岀殑錛屼笉瀛樺湪涓婁竴綰у嚱鏁板拰涓嬩竴綰у嚱鏁扮殑闂銆?浣嗘槸錛h璦鍏佽鍦ㄤ竴涓嚱鏁扮殑瀹氫箟涓嚭鐜板鍙︿竴涓嚱鏁扮殑璋冪敤銆?榪欐牱灝卞嚭鐜頒簡鍑芥暟鐨勫祵濂楄皟鐢ㄣ傚嵆鍦ㄨ璋冨嚱鏁頒腑鍙堣皟鐢ㄥ叾瀹冨嚱鏁般?榪欎笌鍏跺畠璇█鐨勫瓙紼嬪簭宓屽鐨勬儏褰㈡槸綾諱技鐨勩?br>
涓涓嚱鏁板湪瀹冪殑鍑芥暟浣撳唴璋冪敤瀹冭嚜韜О涓洪掑綊璋冪敤銆?榪欑鍑芥暟縐頒負閫掑綊鍑芥暟銆傦跡璇█鍏佽鍑芥暟鐨勯掑綊璋冪敤銆傚湪閫掑綊璋冪敤涓紝 涓昏皟鍑芥暟鍙堟槸琚皟鍑芥暟銆傛墽琛岄掑綊鍑芥暟灝嗗弽澶嶈皟鐢ㄥ叾鑷韓銆?姣忚皟鐢ㄤ竴嬈″氨榪涘叆鏂扮殑涓灞傘?br>


Gu.paladino 2007-06-18 10:14 鍙戣〃璇勮
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C++澶嶄範錛欳鐨勫熀紜鐭ヨ瘑http://m.shnenglu.com/paladino/archive/2007/06/18/26548.htmlGu.paladinoGu.paladinoMon, 18 Jun 2007 02:13:00 GMThttp://m.shnenglu.com/paladino/archive/2007/06/18/26548.htmlhttp://m.shnenglu.com/paladino/comments/26548.htmlhttp://m.shnenglu.com/paladino/archive/2007/06/18/26548.html#Feedback0http://m.shnenglu.com/paladino/comments/commentRss/26548.htmlhttp://m.shnenglu.com/paladino/services/trackbacks/26548.htmlinclude 縐頒負鏂囦歡鍖呭惈鍛戒護錛屽叾鎰忎箟鏄妸灝栨嫭鍙?<>)鎴栧紩鍙?"")鍐呮寚瀹氱殑鏂囦歡鍖呭惈鍒版湰紼嬪簭鏉ワ紝鎴愪負鏈▼搴忕殑涓閮ㄥ垎銆傝鍖呭惈鐨勬枃浠墮氬父鏄敱緋葷粺鎻愪緵鐨勶紝鍏舵墿灞曞悕涓?h銆傚洜姝や篃縐頒負<澶存枃浠?gt;鎴?lt;棣栭儴鏂囦歡>銆?br>C璇█鐨勫ご鏂囦歡涓寘鎷簡鍚勪釜鏍囧噯搴撳嚱鏁扮殑鍑芥暟鍘熷瀷銆?br>C璇█瑙勫畾瀵箂canf鍜宲rintf榪欎袱涓嚱鏁板彲浠ョ渷鍘誨鍏跺ご鏂囦歡鐨勫寘鍚懡浠ゃ?br>
scanf鍜?printf榪欎袱涓嚱鏁板垎鍒О涓?#8220;鏍煎紡杈撳叆鍑芥暟”鍜?#8220;鏍煎紡杈撳嚭鍑芥暟”銆傚叾鎰忎箟鏄寜鎸囧畾鐨勬牸寮忚緭鍏ヨ緭鍑哄箋傚洜姝わ紝榪欎袱涓嚱鏁板湪鎷彿涓殑鍙傛暟琛ㄩ兘鐢變互涓嬩袱閮ㄥ垎緇勬垚錛?#8220;鏍煎紡鎺у埗涓?#8221;錛屽弬鏁拌〃銆傛牸寮忔帶鍒朵覆鏄竴涓瓧絎︿覆錛屽繀欏葷敤鍙屽紩鍙?"")鎷搗鏉ワ紝瀹冭〃紺轟簡杈撳叆杈撳嚭閲忕殑鏁版嵁綾誨瀷銆傚湪printf鍑芥暟涓繕鍙互鍦ㄦ牸寮忔帶鍒朵覆鍐呭嚭鐜伴潪鏍煎紡鎺у埗瀛楃錛岃繖鏃跺湪鏄劇ず灞忓箷涓婂皢鍘熸枃鐓у嵃銆傚弬鏁拌〃涓粰鍑轟簡杈撳叆鎴栬緭鍑虹殑閲忋傚綋鏈夊涓噺鏃訛紝鐢ㄩ楀彿闂撮殧銆?br>
涓涓跡璇█婧愮▼搴忓彲浠ョ敱涓涓垨澶氫釜婧愭枃浠剁粍鎴愩?br>姣忎釜婧愭枃浠跺彲鐢變竴涓垨澶氫釜鍑芥暟緇勬垚銆?br>涓涓簮紼嬪簭涓嶈鐢卞灝戜釜鏂囦歡緇勬垚錛岄兘鏈変竴涓笖鍙兘鏈変竴涓猰ain鍑芥暟錛屽嵆涓誨嚱鏁般?br>婧愮▼搴忎腑鍙互鏈夐澶勭悊鍛戒護(include 鍛戒護浠呬負鍏朵腑鐨勪竴縐?錛岄澶勭悊鍛戒護閫氬父搴旀斁鍦ㄦ簮鏂囦歡鎴栨簮紼嬪簭鐨勬渶鍓嶉潰銆?br>姣忎竴涓鏄庯紝姣忎竴涓鍙ラ兘蹇呴』浠ュ垎鍙風粨灝俱備絾棰勫鐞嗗懡浠わ紝鍑芥暟澶村拰鑺辨嫭鍙?#8220;}”涔嬪悗涓嶈兘鍔犲垎鍙楓?br>鏍囪瘑絎︼紝鍏抽敭瀛椾箣闂村繀欏昏嚦灝戝姞涓涓┖鏍間互紺洪棿闅斻傝嫢宸叉湁鏄庢樉鐨勯棿闅旂錛屼篃鍙笉鍐嶅姞絀烘牸鏉ラ棿闅斻?br>
錛h璦瀛楃闆嗙敱瀛楁瘝錛屾暟瀛楋紝絀烘牸錛屾爣鐐瑰拰鐗規畩瀛楃緇勬垚銆傚湪瀛楃甯擱噺錛屽瓧絎︿覆甯擱噺鍜屾敞閲婁腑榪樺彲浠ヤ嬌鐢ㄦ眽瀛楁垨鍏跺畠鍙〃紺虹殑鍥懼艦絎﹀彿銆?br>1.瀛楁瘝銆銆灝忓啓瀛楁瘝a锝瀦鍏?6涓紝澶у啓瀛楁瘝A锝瀂鍏?6涓?br>2.鏁板瓧銆銆0锝?鍏?0涓?br>3.絀虹櫧絎︺絀烘牸絎︺佸埗琛ㄧ銆佹崲琛岀絳夌粺縐頒負絀虹櫧絎︺傜┖鐧界鍙湪瀛楃甯擱噺鍜屽瓧絎︿覆甯擱噺涓搗浣滅敤銆傚湪鍏跺畠鍦版柟鍑虹幇鏃訛紝鍙搗闂撮殧浣滅敤錛?緙栬瘧紼嬪簭瀵瑰畠浠拷鐣ャ傚洜姝ゅ湪紼嬪簭涓嬌鐢ㄧ┖鐧界涓庡惁錛屽紼嬪簭鐨勭紪璇戜笉鍙戠敓褰卞搷錛屼絾鍦ㄧ▼搴忎腑閫傚綋鐨勫湴鏂逛嬌鐢ㄧ┖鐧界灝嗗鍔犵▼搴忕殑娓呮櫚鎬у拰鍙鎬с?br>
鍦跡璇█涓嬌鐢ㄧ殑璇嶆眹鍒嗕負鍏被錛氭爣璇嗙錛屽叧閿瓧錛岃繍綆楃錛屽垎闅旂錛屽父閲忥紝娉ㄩ噴絎︾瓑銆?br>1.鏍囪瘑絎︹斺斿湪紼嬪簭涓嬌鐢ㄧ殑鍙橀噺鍚嶃佸嚱鏁板悕銆佹爣鍙風瓑緇熺О涓烘爣璇嗙銆傞櫎搴撳嚱鏁扮殑鍑芥暟鍚嶇敱緋葷粺瀹氫箟澶栵紝鍏朵綑閮界敱鐢ㄦ埛鑷畾涔夈侰 瑙勫畾錛屾爣璇嗙鍙兘鏄瓧姣?A锝瀂錛宎锝瀦)銆佹暟瀛?0锝?)銆佷笅鍒掔嚎()緇勬垚鐨勫瓧絎︿覆錛屽茍涓斿叾絎竴涓瓧絎﹀繀欏繪槸瀛楁瘝鎴栦笅鍒掔嚎銆傚湪浣跨敤鏍囪瘑絎︽椂榪樺繀欏繪敞鎰忥細鏍囧噯C涓嶉檺鍒舵爣璇嗙鐨勯暱搴︼紝浣嗗畠鍙楀悇縐嶇増鏈殑C 璇█緙栬瘧緋葷粺闄愬埗錛屽悓鏃朵篃鍙楀埌鍏蜂綋鏈哄櫒鐨勯檺鍒躲備緥濡傚湪鏌愮増鏈珻 涓瀹氭爣璇嗙鍓嶅叓浣嶆湁鏁堬紝褰撲袱涓爣璇嗙鍓嶅叓浣嶇浉鍚屾椂錛屽垯琚涓烘槸鍚屼竴涓爣璇嗙銆傚湪鏍囪瘑絎︿腑錛屽ぇ灝忓啓鏄湁鍖哄埆鐨勩備緥濡侭OOK鍜宐ook 鏄袱涓笉鍚岀殑鏍囪瘑絎︺?br>
2.鍏抽敭瀛椻斺斿叧閿瓧鏄敱錛h璦瑙勫畾鐨勫叿鏈夌壒瀹氭剰涔夌殑瀛楃涓詫紝閫氬父涔熺О涓轟繚鐣欏瓧銆傜敤鎴峰畾涔夌殑鏍囪瘑絎︿笉搴斾笌鍏抽敭瀛楃浉鍚屻傦跡璇█鐨勫叧閿瓧鍒嗕負浠ヤ笅鍑犵被錛?br>(1)綾誨瀷璇存槑絎?br>鐢ㄤ簬瀹氫箟銆佽鏄庡彉閲忋佸嚱鏁版垨鍏跺畠鏁版嵁緇撴瀯鐨勭被鍨嬨傚int,double絳?br>(2)璇彞瀹氫箟絎?br>鐢ㄤ簬琛ㄧず涓涓鍙ョ殑鍔熻兘銆傚if else灝辨槸鏉′歡璇彞鐨勮鍙ュ畾涔夌銆?br>(3)棰勫鐞嗗懡浠ゅ瓧
鐢ㄤ簬琛ㄧず涓涓澶勭悊鍛戒護銆傚include define銆?br>
3.榪愮畻絎︹斺旓跡璇█涓惈鏈夌浉褰撲赴瀵岀殑榪愮畻絎︺傝繍綆楃涓庡彉閲忥紝鍑芥暟涓璧風粍鎴愯〃杈懼紡錛岃〃紺哄悇縐嶈繍綆楀姛鑳姐傝繍綆楃鐢變竴涓垨澶氫釜瀛楃緇勬垚銆?br>
4.鍒嗛殧絎︹斺斿湪C璇█涓噰鐢ㄧ殑鍒嗛殧絎︽湁閫楀彿鍜岀┖鏍間袱縐嶃傞楀彿涓昏鐢ㄥ湪綾誨瀷璇存槑鍜屽嚱鏁板弬鏁拌〃涓紝鍒嗛殧鍚勪釜鍙橀噺銆傜┖鏍煎鐢ㄤ簬璇彞鍚勫崟璇嶄箣闂達紝浣滈棿闅旂銆傚湪鍏抽敭瀛楋紝鏍囪瘑絎︿箣闂村繀欏昏鏈変竴涓互涓婄殑絀烘牸絎︿綔闂撮殧錛?鍚﹀垯灝嗕細鍑虹幇璇硶閿欒錛屼緥濡傛妸int a;鍐欐垚 inta;C緙栬瘧鍣ㄤ細鎶奿nta褰撴垚涓涓爣璇嗙澶勭悊錛屽叾緇撴灉蹇呯劧鍑洪敊銆?br>
5.甯擱噺鈥斺擟璇█涓嬌鐢ㄧ殑甯擱噺鍙垎涓烘暟瀛楀父閲?const int)銆佸瓧絎﹀父閲?const char)銆佸瓧絎︿覆甯擱噺(const string)銆佺鍙峰父閲忋佽漿涔夊瓧絎?\n \t)絳夊縐嶃?br>
6.娉ㄩ噴絎︹斺擟璇█鐨勬敞閲婄鏄互“/*”寮澶村茍浠?#8220;*/”緇撳熬鐨勪覆銆傚湪“/*”鍜?#8220;*/”涔嬮棿鐨勫嵆涓烘敞閲娿傜▼搴忕紪璇戞椂錛屼笉瀵規敞閲婁綔浠諱綍澶勭悊銆傛敞閲婂彲鍑虹幇鍦ㄧ▼搴忎腑鐨勪換浣曚綅緗傛敞閲婄敤鏉ュ悜鐢ㄦ埛鎻愮ず鎴栬В閲婄▼搴忕殑鎰忎箟銆傚湪璋冭瘯紼嬪簭涓鏆備笉浣跨敤鐨勮鍙ヤ篃鍙敤娉ㄩ噴絎︽嫭璧鋒潵錛屼嬌緲昏瘧璺寵繃涓嶄綔澶勭悊錛屽緟璋冭瘯緇撴潫鍚庡啀鍘繪帀娉ㄩ噴絎︺?br>
鍦跡璇█涓紝鏁版嵁綾誨瀷鍙垎涓猴細鍩烘湰鏁版嵁綾誨瀷錛屾瀯閫犳暟鎹被鍨嬶紝鎸囬拡綾誨瀷錛岀┖綾誨瀷鍥涘ぇ綾匯?br>鍩烘湰鏁版嵁綾誨瀷鏈涓昏鐨勭壒鐐規槸錛屽叾鍊間笉鍙互鍐嶅垎瑙d負鍏跺畠綾誨瀷銆備篃灝辨槸璇達紝鍩烘湰鏁版嵁綾誨瀷鏄嚜鎴戣鏄庣殑銆?br>鏋勯犳暟鎹被鍨嬫槸鏍規嵁宸插畾涔夌殑涓涓垨澶氫釜鏁版嵁綾誨瀷鐢ㄦ瀯閫犵殑鏂規硶鏉ュ畾涔夌殑銆備篃灝辨槸璇達紝涓涓瀯閫犵被鍨嬬殑鍊煎彲浠ュ垎瑙f垚鑻ュ共涓?#8220;鎴愬憳”鎴?#8220;鍏冪礌”銆傛瘡涓?#8220;鎴愬憳”閮芥槸涓涓熀鏈暟鎹被鍨嬫垨鍙堟槸涓涓瀯閫犵被鍨嬨傚湪C璇█涓紝鏋勯犵被鍨嬫湁鏁扮粍綾誨瀷,緇撴瀯綾誨瀷,鑱斿悎綾誨瀷
鎸囬拡綾誨瀷鎸囬拡鏄竴縐嶇壒孌婄殑錛屽悓鏃跺張鏄叿鏈夐噸瑕佷綔鐢ㄧ殑鏁版嵁綾誨瀷銆傚叾鍊肩敤鏉ヨ〃紺烘煇涓噺鍦ㄥ唴瀛樺偍鍣ㄤ腑鐨勫湴鍧銆傝櫧鐒舵寚閽堝彉閲忕殑鍙栧肩被浼間簬鏁村瀷閲忥紝浣嗚繖鏄袱涓被鍨嬪畬鍏ㄤ笉鍚岀殑閲忥紝鍥犳涓嶈兘娣蜂負涓璋堛?br>絀虹被鍨嬪湪璋冪敤鍑芥暟鍊兼椂錛岄氬父搴斿悜璋冪敤鑰呰繑鍥炰竴涓嚱鏁板箋傝繖涓繑鍥炵殑鍑芥暟鍊兼槸鍏鋒湁涓瀹氱殑鏁版嵁綾誨瀷鐨勶紝搴斿湪鍑芥暟瀹氫箟鍙婂嚱鏁拌鏄庝腑緇欎互璇存槑,浣嗘槸錛屼篃鏈変竴綾誨嚱鏁幫紝璋冪敤鍚庡茍涓嶉渶瑕佸悜璋冪敤鑰呰繑鍥炲嚱鏁板鹼紝 榪欑鍑芥暟鍙互瀹氫箟涓?#8220;絀虹被鍨?#8221;銆傚叾綾誨瀷璇存槑絎︿負void銆?br>瀵逛簬鍩烘湰鏁版嵁綾誨瀷閲忥紝鎸夊叾鍙栧兼槸鍚﹀彲鏀瑰彉鍙堝垎涓哄父閲忓拰鍙橀噺涓ょ銆傚湪紼嬪簭鎵ц榪囩▼涓紝鍏跺間笉鍙戠敓鏀瑰彉鐨勯噺縐頒負甯擱噺錛屽彇鍊煎彲鍙樼殑閲忕О涓哄彉閲忋傚畠浠彲涓庢暟鎹被鍨嬬粨鍚堣搗鏉ュ垎綾匯備緥濡傦紝鍙垎涓烘暣鍨嬪父閲忋佹暣鍨嬪彉閲忋佹誕鐐瑰父閲忋佹誕鐐瑰彉閲忋佸瓧絎﹀父閲忋佸瓧絎﹀彉閲忋佹灇涓懼父閲忋佹灇涓懼彉閲忋傚湪紼嬪簭涓紝甯擱噺鏄彲浠ヤ笉緇忚鏄庤岀洿鎺ュ紩鐢ㄧ殑錛岃屽彉閲忓垯蹇呴』鍏堣鏄庡悗浣跨敤銆?br>鏁村瀷閲忓寘鎷暣鍨嬪父閲忋佹暣鍨嬪彉閲忋傛暣鍨嬪父閲忓氨鏄暣甯告暟銆傚湪錛h璦涓紝浣跨敤鐨勬暣甯告暟鏈夊叓榪涘埗銆佸崄鍏繘鍒跺拰鍗佽繘鍒朵笁縐嶃?br>鏁村瀷甯擱噺
1.鍏繘鍒舵暣甯告暟鍏繘鍒舵暣甯告暟蹇呴』浠?寮澶達紝鍗充互0浣滀負鍏繘鍒舵暟鐨勫墠緙銆傛暟鐮佸彇鍊間負0锝?銆傚叓榪涘埗鏁伴氬父鏄棤絎﹀彿鏁般?br>2.鍗佸叚榪涘埗鏁村父鏁扮殑鍓嶇紑涓?X鎴?x銆傚叾鏁扮爜鍙栧間負0~9錛孉~F鎴朼~f銆?br>鏁村瀷鍙橀噺
1.鍩烘湰鍨?綾誨瀷璇存槑絎︿負int錛屽湪鍐呭瓨涓崰2涓瓧鑺傦紝鍏跺彇鍊間負鍩烘湰鏁村父鏁般?br>2.鐭暣閲?綾誨瀷璇存槑絎︿負short int鎴杝hort'C110F1???銆傛墍鍗犲瓧鑺傚拰鍙栧艱寖鍥村潎涓庡熀鏈瀷鐩稿悓銆?br>3.闀挎暣鍨?綾誨瀷璇存槑絎︿負long int鎴杔ong 錛屽湪鍐呭瓨涓崰4涓瓧鑺傦紝鍏跺彇鍊間負闀挎暣甯告暟銆?br>4.鏃犵鍙峰瀷:綾誨瀷璇存槑絎︿負unsigned銆傛棤絎﹀彿鍨嬪張鍙笌涓婅堪涓夌綾誨瀷鍖歸厤鑰屾瀯鎴愶細
(1)鏃犵鍙峰熀鏈瀷 綾誨瀷璇存槑絎︿負unsigned int鎴杣nsigned銆?br>(2)鏃犵鍙風煭鏁村瀷 綾誨瀷璇存槑絎︿負unsigned short
(3)鏃犵鍙烽暱鏁村瀷 綾誨瀷璇存槑絎︿負unsigned long
鍚勭鏃犵鍙風被鍨嬮噺鎵鍗犵殑鍐呭瓨絀洪棿瀛楄妭鏁頒笌鐩稿簲鐨勬湁絎﹀彿綾誨瀷閲忕浉鍚屻備絾鐢變簬鐪佸幓浜嗙鍙蜂綅錛屾晠涓嶈兘琛ㄧず璐熸暟銆?br>鏁村瀷鍙橀噺鐨勮鏄?鍙橀噺璇存槑鐨勪竴鑸艦寮忎負錛?綾誨瀷璇存槑絎?鍙橀噺鍚嶆爣璇嗙錛屽彉閲忓悕鏍囪瘑絎︼紝...;

綾誨瀷璇存槑絎︺銆銆銆        鏁扮殑鑼冨洿 銆銆銆銆        鍒嗛厤瀛楄妭鏁?br>int 銆銆銆銆銆銆        -32768~32767 銆銆銆銆        鈻犫枲
short int 銆銆銆        -32768~32767 銆銆銆銆        鈻犫枲
signed int 銆銆         -32768~32767 銆銆銆銆        鈻犫枲
unsigned int 銆              0~65535 銆銆銆銆銆  鈻犫枲
long int 銆        -2147483648~2147483647銆銆      鈻犫枲鈻犫枲
unsigned long 銆             0~4294967295 銆銆銆鈻犫枲鈻犫枲

鍦ㄤ功鍐欏彉閲忚鏄庢椂錛屽簲娉ㄦ剰浠ヤ笅鍑犵偣錛?br>1.鍏佽鍦ㄤ竴涓被鍨嬭鏄庣鍚庯紝璇存槑澶氫釜鐩稿悓綾誨瀷鐨勫彉閲忋傚悇鍙橀噺鍚嶄箣闂寸敤閫楀彿闂撮殧銆傜被鍨嬭鏄庣涓庡彉閲忓悕涔嬮棿鑷沖皯鐢ㄤ竴涓┖鏍奸棿闅斻?br>2.鏈鍚庝竴涓彉閲忓悕涔嬪悗蹇呴』浠ュ垎鍙?;)鍙風粨灝俱?br>3.鍙橀噺璇存槑蹇呴』鏀懼湪鍙橀噺浣跨敤涔嬪墠銆備竴鑸斁鍦ㄥ嚱鏁頒綋鐨勫紑澶撮儴鍒嗐?br>
瀹炲瀷閲?br>瀹炲瀷甯擱噺:瀹炲瀷涔熺О涓烘誕鐐瑰瀷銆傚疄鍨嬪父閲忎篃縐頒負瀹炴暟鎴栬呮誕鐐規暟銆傚湪錛h璦涓紝瀹炴暟鍙噰鐢ㄥ崄榪涘埗銆傚畠鏈変簩縐嶅艦寮?鍗佽繘鍒舵暟褰㈠紡,鎸囨暟褰㈠紡
1.鍗佽繘鍒舵暟褰㈠紡
鐢辨暟鐮?~ 9鍜屽皬鏁扮偣緇勬垚
2.鎸囨暟褰㈠紡
鐢卞崄榪涘埗鏁幫紝鍔犻樁鐮佹爣蹇?#8220;e”鎴?#8220;E”浠ュ強闃剁爜錛堝彧鑳戒負鏁存暟錛屽彲浠ュ甫絎﹀彿錛夌粍鎴愩傚叾涓鑸艦寮忎負a E n 錛坅涓哄崄榪涘埗鏁幫紝n涓哄崄榪涘埗鏁存暟錛夊叾鍊間負 a*10,n銆
鏍囧噯錛e厑璁告誕鐐規暟浣跨敤鍚庣紑銆傚悗緙涓?#8220;f”鎴?#8220;F”鍗寵〃紺鴻鏁頒負嫻偣鏁般?br>
瀹炲瀷鍙橀噺
瀹炲瀷鍙橀噺鍒嗕負涓ょ被錛氬崟綺懼害鍨嬪拰鍙岀簿搴﹀瀷錛?br>鍏剁被鍨嬭鏄庣涓篺loat 鍗曠簿搴﹁鏄庣錛宒ouble 鍙岀簿搴﹁鏄庣銆傚湪Turbo C涓崟綺懼害鍨嬪崰4涓瓧鑺傦紙32浣嶏級鍐呭瓨絀洪棿錛屽叾鏁板艱寖鍥翠負3.4E-38锝?.4E+38錛屽彧鑳芥彁渚涗竷浣嶆湁鏁堟暟瀛椼傚弻綺懼害鍨嬪崰8 涓瓧鑺傦紙64浣嶏級鍐呭瓨絀洪棿錛屽叾鏁板艱寖鍥翠負1.7E-308锝?.7E+308錛屽彲鎻愪緵16浣嶆湁鏁堟暟瀛椼?br>瀹炲瀷鍙橀噺璇存槑鐨勬牸寮忓拰涔﹀啓瑙勫垯涓庢暣鍨嬬浉鍚屻?br>
瀛楃鍨嬮噺
鍖呮嫭瀛楃甯擱噺鍜屽瓧絎﹀彉閲忋?br>瀛楃甯擱噺鏄敤鍗曞紩鍙鋒嫭璧鋒潵鐨勪竴涓瓧絎︺備緥濡?a','b','=','+','?'閮芥槸鍚堟硶瀛楃甯擱噺銆傚湪錛h璦涓紝瀛楃甯擱噺鏈変互涓嬬壒鐐癸細
1.瀛楃甯擱噺鍙兘鐢ㄥ崟寮曞彿鎷搗鏉ワ紝涓嶈兘鐢ㄥ弻寮曞彿鎴栧叾瀹冩嫭鍙楓?br>2.瀛楃甯擱噺鍙兘鏄崟涓瓧絎︼紝涓嶈兘鏄瓧絎︿覆銆?br>3.瀛楃鍙互鏄瓧絎﹂泦涓換鎰忓瓧絎︺備絾鏁板瓧琚畾涔変負瀛楃鍨嬩箣鍚庡氨
涓嶈兘鍙備笌鏁板艱繍綆椼傚'5'鍜? 鏄笉鍚岀殑銆?5'鏄瓧絎﹀父閲忥紝涓嶈兘鍙備笌榪愮畻銆?br>
杞箟瀛楃
涓縐嶇壒孌婄殑瀛楃甯擱噺銆傝漿涔夊瓧絎︿互鍙嶆枩綰?\"寮澶達紝鍚庤窡涓涓垨鍑犱釜瀛楃銆傝漿涔夊瓧絎﹀叿鏈夌壒瀹氱殑鍚箟錛屼笉鍚屼簬瀛楃鍘熸湁鐨勬剰涔夛紝鏁呯О“杞箟”瀛楃銆備緥濡傦紝鍦ㄥ墠闈㈠悇渚嬮printf鍑芥暟鐨勬牸寮忎覆涓敤鍒扮殑“\n”灝辨槸涓涓漿涔夊瓧絎︼紝鍏舵剰涔夋槸“鍥炶濺鎹㈣”銆傝漿涔夊瓧絎︿富瑕佺敤鏉ヨ〃紺洪偅浜涚敤涓鑸瓧絎︿笉渚夸簬琛ㄧず鐨勬帶鍒朵唬鐮併?br>甯哥敤鐨勮漿涔夊瓧絎﹀強鍏跺惈涔?br>杞箟瀛楃 銆杞箟瀛楃鐨勬剰涔?br>\n 銆銆銆銆銆鍥炶濺鎹㈣
\t 銆銆銆銆銆妯悜璺沖埌涓嬩竴鍒惰〃浣嶇疆
\v 銆銆銆銆銆绔栧悜璺蟲牸
\b 銆銆銆銆銆閫鏍?br>\r 銆銆銆銆銆鍥炶濺
\f銆銆銆銆 銆璧扮焊鎹㈤〉
\\ 銆銆銆銆銆鍙嶆枩綰跨"\"
\' 銆銆銆銆銆鍗曞紩鍙風
\a 銆銆銆銆銆楦i搩
\ddd 銆銆銆銆1锝?浣嶅叓榪涘埗鏁版墍浠h〃鐨勫瓧絎?br>\xhh 銆銆銆銆1锝?浣嶅崄鍏繘鍒舵暟鎵浠h〃鐨勫瓧絎?br>騫夸箟鍦拌錛岋跡璇█瀛楃闆嗕腑鐨勪換浣曚竴涓瓧絎﹀潎鍙敤杞箟瀛楃鏉ヨ〃紺恒傝〃2.2涓殑\ddd鍜孿xhh姝f槸涓烘鑰屾彁鍑虹殑銆俤dd鍜宧h鍒嗗埆涓哄叓榪涘埗鍜屽崄鍏繘鍒剁殑ASCII浠g爜銆傚\101琛ㄧず瀛楁瘝"A" 錛孿102琛ㄧず瀛楁瘝"B"錛孿134琛ㄧず鍙嶆枩綰匡紝\XOA琛ㄧず鎹㈣絳夈?br>
瀛楃涓插父閲忔槸鐢變竴瀵瑰弻寮曞彿鎷搗鐨勫瓧絎﹀簭鍒椼?br>瀛楃涓插父閲忓拰瀛楃甯擱噺鏄笉鍚岀殑閲忋傚畠浠箣闂翠富瑕佹湁浠ヤ笅鍖哄埆錛?br>1.瀛楃甯擱噺鐢卞崟寮曞彿鎷搗鏉ワ紝瀛楃涓插父閲忕敱鍙屽紩鍙鋒嫭璧鋒潵銆?br>2.瀛楃甯擱噺鍙兘鏄崟涓瓧絎︼紝瀛楃涓插父閲忓垯鍙互鍚竴涓垨澶氫釜瀛楃銆?br>3.鍙互鎶婁竴涓瓧絎﹀父閲忚祴浜堜竴涓瓧絎﹀彉閲忥紝浣嗕笉鑳芥妸涓涓瓧絎︿覆甯擱噺璧嬩簣涓涓瓧絎﹀彉閲忋傚湪錛h璦涓病鏈夌浉搴旂殑瀛楃涓插彉閲忋?br>榪欐槸涓嶣ASIC 璇█涓嶅悓鐨勩備絾鏄彲浠ョ敤涓涓瓧絎︽暟緇勬潵瀛樻斁涓涓瓧絎︿覆甯擱噺銆傚湪鏁扮粍涓绔犲唴浜堜互浠嬬粛銆?br>4.瀛楃甯擱噺鍗犱竴涓瓧鑺傜殑鍐呭瓨絀洪棿銆傚瓧絎︿覆甯擱噺鍗犵殑鍐呭瓨瀛楄妭鏁扮瓑浜庡瓧絎︿覆涓瓧鑺傛暟鍔?銆傚鍔犵殑涓涓瓧鑺備腑瀛樻斁瀛楃"\0"(ASCII鐮佷負0)銆傝繖鏄瓧絎︿覆緇撴潫鐨勬爣蹇椼備緥濡傦紝瀛楃涓?"C program"鍦ㄥ唴瀛樹腑鎵鍗犵殑瀛楄妭涓猴細C program\0銆傚瓧絎﹀父閲?a'鍜屽瓧絎︿覆甯擱噺"a"铏界劧閮藉彧鏈変竴涓瓧絎︼紝浣嗗湪鍐呭瓨涓殑鎯呭喌鏄笉鍚岀殑銆?
'a'鍦ㄥ唴瀛樹腑鍗犱竴涓瓧鑺傦紝鍙〃紺轟負錛歛
"a"鍦ㄥ唴瀛樹腑鍗犱簩涓瓧鑺傦紝鍙〃紺轟負錛歛\0絎﹀彿甯擱噺

鑷姩杞崲
鑷姩杞崲鍙戠敓鍦ㄤ笉鍚屾暟鎹被鍨嬬殑閲忔販鍚堣繍綆楁椂錛岀敱緙栬瘧緋葷粺鑷姩瀹屾垚銆傝嚜鍔ㄨ漿鎹㈤伒寰互涓嬭鍒欙細
1.鑻ュ弬涓庤繍綆楅噺鐨勭被鍨嬩笉鍚岋紝鍒欏厛杞崲鎴愬悓涓綾誨瀷錛岀劧鍚庤繘琛岃繍綆椼?br>2.杞崲鎸夋暟鎹暱搴﹀鍔犵殑鏂瑰悜榪涜錛屼互淇濊瘉綺懼害涓嶉檷浣庛傚int鍨嬪拰long鍨嬭繍綆楁椂錛屽厛鎶奿nt閲忚漿鎴恖ong鍨嬪悗鍐嶈繘琛岃繍綆椼?br>3.鎵鏈夌殑嫻偣榪愮畻閮芥槸浠ュ弻綺懼害榪涜鐨勶紝鍗充嬌浠呭惈float鍗曠簿搴﹂噺榪愮畻鐨勮〃杈懼紡錛屼篃瑕佸厛杞崲鎴恉ouble鍨嬶紝鍐嶄綔榪愮畻銆?br>4.char鍨嬪拰short鍨嬪弬涓庤繍綆楁椂錛屽繀欏誨厛杞崲鎴恑nt鍨嬨?br>5.鍦ㄨ祴鍊艱繍綆椾腑錛岃祴鍊煎彿涓よ竟閲忕殑鏁版嵁綾誨瀷涓嶅悓鏃訛紝 璧嬪煎彿鍙寵竟閲忕殑綾誨瀷灝嗚漿鎹負宸﹁竟閲忕殑綾誨瀷銆?濡傛灉鍙寵竟閲忕殑鏁版嵁綾誨瀷闀垮害宸﹁竟闀挎椂錛屽皢涓㈠け涓閮ㄥ垎鏁版嵁錛岃繖鏍蜂細闄嶄綆綺懼害錛?涓㈠け鐨勯儴鍒嗘寜鍥涜垗浜斿叆鍚戝墠鑸嶅叆銆?br>寮哄埗綾誨瀷杞崲
寮哄埗綾誨瀷杞崲鏄氳繃綾誨瀷杞崲榪愮畻鏉ュ疄鐜扮殑銆傚叾涓鑸艦寮忎負錛?(綾誨瀷璇存槑絎? (琛ㄨ揪寮? 鍏跺姛鑳芥槸鎶婅〃杈懼紡鐨勮繍綆楃粨鏋滃己鍒惰漿鎹㈡垚綾誨瀷璇存槑絎︽墍琛ㄧず鐨勭被鍨嬨備緥濡傦細 (float) a 鎶奱杞崲涓哄疄鍨嬶紝(int)(x+y) 鎶妜+y鐨勭粨鏋滆漿鎹負鏁村瀷鍦ㄤ嬌鐢ㄥ己鍒惰漿鎹㈡椂搴旀敞鎰忎互涓嬮棶棰橈細
1.綾誨瀷璇存槑絎﹀拰琛ㄨ揪寮忛兘蹇呴』鍔犳嫭鍙?鍗曚釜鍙橀噺鍙互涓嶅姞鎷彿)錛屽鎶?int)(x+y)鍐欐垚(int)x+y鍒欐垚浜嗘妸x杞崲鎴恑nt鍨嬩箣鍚庡啀涓巠鐩稿姞浜嗐?br>2.鏃犺鏄己鍒惰漿鎹㈡垨鏄嚜鍔ㄨ漿鎹紝閮藉彧鏄負浜嗘湰嬈¤繍綆楃殑闇瑕佽屽鍙橀噺鐨勬暟鎹暱搴﹁繘琛岀殑涓存椂鎬ц漿鎹紝鑰屼笉鏀瑰彉鏁版嵁璇存槑鏃跺璇ュ彉閲忓畾涔夌殑綾誨瀷銆?br>
榪愮畻絎︾殑縐嶇被錛h璦鐨勮繍綆楃鍙垎涓轟互涓嬪嚑綾伙細
1.綆楁湳榪愮畻絎?br>鐢ㄤ簬鍚勭被鏁板艱繍綆椼傚寘鎷姞(+)銆佸噺(-)銆佷箻(*)銆侀櫎(/)銆佹眰浣?鎴栫О妯¤繍綆楋紝%)銆佽嚜澧?++)銆佽嚜鍑?--)鍏變竷縐嶃?br>2.鍏崇郴榪愮畻絎?br>鐢ㄤ簬姣旇緝榪愮畻銆傚寘鎷ぇ浜?>)銆佸皬浜?<)銆佺瓑浜?==)銆?澶т簬絳変簬(>=)銆佸皬浜庣瓑浜?<=)鍜屼笉絳変簬(!=)鍏銆?br>3.閫昏緫榪愮畻絎?br>鐢ㄤ簬閫昏緫榪愮畻銆傚寘鎷笌(&&)銆佹垨(||)銆侀潪(!)涓夌銆?br>4.浣嶆搷浣滆繍綆楃
鍙備笌榪愮畻鐨勯噺錛屾寜浜岃繘鍒朵綅榪涜榪愮畻銆傚寘鎷綅涓?&)銆佷綅鎴?|)銆佷綅闈?~)銆佷綅寮傛垨(^)銆佸乏縐?<<)銆佸彸縐?>>)鍏銆?br>5.璧嬪艱繍綆楃
鐢ㄤ簬璧嬪艱繍綆楋紝鍒嗕負綆鍗曡祴鍊?=)銆佸鍚堢畻鏈祴鍊?+=,-=,*=,/=,%=)鍜屽鍚堜綅榪愮畻璧嬪?&=,|=,^=,>>=,<<=)涓夌被鍏卞崄涓縐嶃?br>6.鏉′歡榪愮畻絎?br>榪欐槸涓涓笁鐩繍綆楃錛岀敤浜庢潯浠舵眰鍊??:)銆?br>7.閫楀彿榪愮畻絎?br>鐢ㄤ簬鎶婅嫢騫茶〃杈懼紡緇勫悎鎴愪竴涓〃杈懼紡(錛?銆?br>8.鎸囬拡榪愮畻絎?br>鐢ㄤ簬鍙栧唴瀹?*)鍜屽彇鍦板潃(&)浜岀榪愮畻銆?br>9.姹傚瓧鑺傛暟榪愮畻絎?br>鐢ㄤ簬璁$畻鏁版嵁綾誨瀷鎵鍗犵殑瀛楄妭鏁?sizeof)銆?br>10.鐗規畩榪愮畻絎?br>鏈夋嫭鍙?)錛屼笅鏍嘯]錛屾垚鍛?→錛?)絳夊嚑縐嶃?br>
鍦ㄤ嬌鐢╯witch璇彞鏃惰繕搴旀敞鎰忎互涓嬪嚑鐐癸細
1.鍦╟ase鍚庣殑鍚勫父閲忚〃杈懼紡鐨勫間笉鑳界浉鍚岋紝鍚﹀垯浼氬嚭鐜伴敊璇?br>2.鍦╟ase鍚庯紝鍏佽鏈夊涓鍙ワ紝鍙互涓嶇敤{}鎷搗鏉ャ?br>3.鍚刢ase鍜宒efault瀛愬彞鐨勫厛鍚庨『搴忓彲浠ュ彉鍔紝鑰屼笉浼氬獎鍝嶇▼搴忔墽琛岀粨鏋溿?br>4.default瀛愬彞鍙互鐪佺暐涓嶇敤銆?


Gu.paladino 2007-06-18 10:13 鍙戣〃璇勮
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澶嶄範鐨勫噯澶囷細絎竴姝?lt;book_List>http://m.shnenglu.com/paladino/archive/2007/06/06/25656.htmlGu.paladinoGu.paladinoWed, 06 Jun 2007 07:48:00 GMThttp://m.shnenglu.com/paladino/archive/2007/06/06/25656.htmlhttp://m.shnenglu.com/paladino/comments/25656.htmlhttp://m.shnenglu.com/paladino/archive/2007/06/06/25656.html#Feedback0http://m.shnenglu.com/paladino/comments/commentRss/25656.htmlhttp://m.shnenglu.com/paladino/services/trackbacks/25656.html鏌ラ槄浜嗗緢澶歜log錛岀湅浜嗕竴浜涘ぇ鐗涗滑鐨勪功璇勫拰浠栦滑鐨勫涔犳梾紼嬶紝鎴戣寰楁垜璧頒笂浜嗗涔犺綆楁満縐戝鍜屾暟瀛︾瀛︾殑姝g‘閬撹礬涓婏紝瀹墮噷鏈夌殑涔︼紝鐢靛瓙涔﹀鐨勫氨涓嶅緱浜嗕簡錛屽懙鍛碉紝縐敀浜嗗緢澶氬勾鐨勪笢涓滐紝鍏跺疄鎯沖涔犱換浣曚笢瑗塊兘鍙互鍦ㄧ綉緇滀笂鎵懼埌璧勬枡鐨勶紝鍛靛懙錛屽氨鐪嬩綘浼氫笉浼氱敤google浜嗐?br>涓枃鐨勶細
銆奀++鍏ラ棬緇忓吀銆?br>銆奀++楂樼駭緙栫▼銆?br>銆奣hinking in C++,vol1,vol2銆?br>鑻辨枃鐨勶細
銆奣he C++ program language銆?br>銆奅ffective C++銆?br>銆奙ore Effective C++銆?br>鐢靛瓙鐨勶細
aha錛宻o many錛宼hat’s so good!

鎵懼埌浜咹ello world鐨勫緢澶氱鍐欐硶錛屾湁鍑犵娌$湅鏄庣櫧錛屽懙鍛點?br>1. 鏈緇忓吀鐨?#8220;Hello world!”
“Hello world!”鏈緇忓吀鐨勫啓娉曞綋鐒舵槸鐩存帴鐢?printf 杈撳嚭“Hello world!”榪欏嚑涓瓧絎︿簡銆傛棤璁虹敤C榪樻槸 C++錛屽啓璧鋒潵閮介潪甯哥殑綆媧佹槑浜嗐傝繖閲屾妸鏈甯歌鐨勫嚑涓叏閮ㄥ垪鍦ㄤ笅闈€?br>#include <stdio.h>
#include <iostream>
int main()
{
    printf("Hello world!");                   // 鏁欑涔︾殑鍐欐硶
    puts("Hello world!");                     // 鎴戞渶鍠滄鐨?br>    puts("Hello" " " "world!");               // 鎷兼帴瀛楃涓?br>    std::cout << "Hello world!" << std::endl; // C++椋庢牸鐨勬暀縐戜功鍐欐硶
    return 0;
}
鐗瑰埆闇瑕佹敞鎰忕殑鏄紝鍦–/C++閲岋紝濡傛灉涓や釜瀛楃涓蹭箣闂撮櫎絀虹櫧絎︿互澶栨病鏈変換浣曚笢瑗匡紝緙栬瘧鍣ㄤ細鑷姩璁や負榪欎袱涓瓧絎︿覆鏄繛鍦ㄤ竴璧風殑瀛楃涓層傝繖鏍鳳紝濡傛灉涓涓瓧絎︿覆榪囬暱錛屽彲浠ョ敤榪欑鏂規硶鎹㈣鏉ュ啓錛屾棦涓嶆氮璐規ц兘錛屽張緹庤銆?br>
2. 鐢ㄥ畯鍐欑殑“Hello world!”
鍦–/C++閲岋紝瀹忔槸涓涓濂囩殑涓滆タ銆傜壒鍒槸鍦–璇█涓紝瀹忓彲浠ュ府鎴戜滑鍋氫竴浜?#8220;鍙堣剰鍙堢瘡”鐨勬椿錛屽寘鎷嫾鎺ヤ唬鐮佺墖鏂侀殣钘忕箒鐞愮殑瀹炵幇緇嗚妭絳夌瓑銆傚叾涓壒鍒湁瓚g殑鏄?#8220;#”鐨勭敤娉曪紝瀹冨彲浠?#8220;鎻愬彇”鍙傛暟鐨勫悕瀛楋紝鎶婂畠鍙樻垚瀛楃涓層?br>#include <stdio.h>
#define Say(sth) puts(#sth)
int main()
{
    return Say(Hello world!);
}
璇鋒敞鎰忥紝榪欎釜Hello world鍙槸瀹屽叏娌℃湁鍑虹幇寮曞彿鍝︼紒

3. 鏂珷鍙栦箟鐨?#8220;Hello world!”
瀛楃涓叉槸涓縐嶅父閲忚繖褰撶劧姣棤鐤戦棶錛屼絾鏄畠鐨勭被鍨嬫槸浠涔堬紝榪欏氨闇瑕佽冭檻涓涓嬩簡銆備嬌鐢–++鐨則ypeid灝卞彲浠ヨ繖涓棶棰樼殑絳旀錛岃屼笖鍙鏄鍚圕鎴朇++鏍囧噯鐨勭紪璇戝櫒灝卞簲璇ユ槸涓鏍風殑緇撴灉銆傛瘮濡傚瓧絎︿覆“Hello world!”錛屽畠鐨勭被鍨嬪氨鏄?char const [13]銆?br>鐭ラ亾浜嗚繖涓紝灝卞彲浠ュ啓鍑轟互涓嬬殑“Hello world!”錛?br>#include <stdio.h>
int main()
{
    return puts(&"Do not say: Hello world!"[12]);
}

4. 閫鍑烘椂榪愯鐨?#8220;Hello world!”
澶у閮界煡閬?main 鍑芥暟閫鍑烘剰鍛崇潃紼嬪簭緇撴潫錛屽彲鏄繖騫朵笉瀹屽叏姝g‘錛屾垜浠畬鍏ㄥ彲浠ュ湪 main 鍑芥暟閫鍑轟互鍚庡仛寰堝浜嬪憿鈥斺旀瘮濡傝錛岃緭鍑?“Hello world!”銆傝繖涓姛鑳戒緷璧栦簬C鏍囧噯搴撲腑鎻愪緵鐨勫嚱鏁?atexit()錛岃皟鐢ㄨ繖涓嚱鏁板茍娉ㄥ唽鑷繁鐨勫洖璋冨嚱鏁板氨琛屻傞渶瑕佹敞鎰忥紝榪欎釜鍑芥暟鍙互璋冪敤澶氭錛屾渶鍚庢敞鍐岀殑鍑芥暟鏈鍏堟墽琛屻?br>#include <stdio.h>
#include <stdlib.h>
void say()
{
    printf("world!");
}
void sth()
{
    printf("Hello ");
}
int main()
{
    return atexit(say), atexit(sth);
}

5. 璇誨彇鑷繁鐨?#8220;Hello world!”
C/C++鐨勭紪璇戝櫒鎻愪緵浜嗕竴浜涙湁鐢ㄧ殑鍐呯疆瀹忥紝鏈甯哥敤鐨勫氨鏄?__FILE__ 鍜?__LINE__ 浜嗐傚叾涓紝__FILE__ 浠h〃褰撳墠鐨勬簮鏂囦歡鐨勬枃浠跺悕錛屽棷錛屽浜嗭紝濡傛灉鎴戜滑璁╄繖涓▼搴忚鍙栬嚜宸辯殑婧愭枃浠訛紝涓嶅氨鍙互鍋氫竴涓緢鏈夋剰鎬濈殑“Hello world!”浜嗕箞錛?br>// Hello world!
#include <iostream>
#include <fstream>
#include <string>
int main()
{
    std::ifstream ifs(__FILE__);
    std::string say, some, word;
    ifs >> say >> some >> word;
    std::cout << some << " " << word;
    return 0;
}

6. 璇濆垎涓ゅご鐨?#8220;Hello world!”
鏈変簡C++鐨勭被錛屾垜浠氨鍙互鍏夋槑姝eぇ鐨勫湪 main 鍑芥暟鎵ц涔嬪墠鍜屼箣鍚庡仛鎰熷叴瓚g殑浜嬫儏浜嗐傛垜浠彲浠ュ0鏄庝竴涓叏灞鐨勭被鐨勫疄渚嬶紝榪欐牱錛屽湪 main 鍑芥暟鎵ц涔嬪墠浼氳皟鐢ㄨ繖涓被鐨勬瀯閫犲嚱鏁幫紝緇撴潫涔嬪悗鍒欎細璋冪敤鏋愭瀯鍑芥暟銆?br>#include <iostream>
class say
{
public:
    say()
    {
        std::cout << "Hell";
    }
    ~say()
    {
        std::cout << "world!";
    }
}hello;
int main()
{
    std::cout << "o ";
    return 0;
}

7. 浼犲叆妯℃澘鐨?#8220;Hello world!”
C++鐨勬ā鏉垮姛鑳芥瀬涓哄己澶э紝鍙互璇存槸C++閲岄潰鏈鑹版繁銆佹渶緇忓吀銆佹渶鏃跺皻鐨勯儴鍒嗐備竴涓?#8220;Hello world!”褰撶劧鏃犳硶浣跨敤寰堝寰堥珮綰х殑妯℃澘鎶宸э紝鎴戜篃涓嶆兂鍙嬌鐢ㄦā鏉跨壒鍖栬繖鏍鋒棤闃繪寕榻跨殑灝忔妧宸э紝鍡紝閭e氨鏉ユ紨紺轟竴涓瘮杈冪綍瑙佺殑鐢ㄦ硶鍚с?br>#include <iostream>
template <char * words>
class say
{
public:
    void operator () ()
    {
        std::cout << words;
    }
};
extern char hello[] = "Hello world!";
int main()
{
    return say<hello>()(), 0;
}
璇鋒敞鎰忥紝榪欎釜 extern 鏄崄鍒嗗繀瑕佺殑錛屽彧鏈夊姞涓婁簡 extern錛岃繖涓寚閽堟墠鏄竴涓紪璇戝櫒闂村彲浠ョ‘瀹氱殑鍊鹼紝涔熸墠鍙互鍙備笌妯℃澘榪愮畻銆傝繕鏈夛紝hello 蹇呴』涓烘暟緇勭被鍨嬶紝鑰屼笉鑳戒負 char*錛岃繖涓亾鐞嗗拰鍔?extern 鏄竴鏍風殑銆?br>姝ゅ錛岃繖閲岃繕婕旂ず浜?functor 鐨勭敤娉曪紝鍡紝鍏充簬瀹冪殑浼樼偣灝變笉鍦ㄨ繖閲屽璇翠簡錛屽弽姝f槸涓庡師鐢熸寚閽堢浉姣旀湁寰堝濂藉灝辨槸浜嗐?br>
8. 璋冪敤縐佹湁鍑芥暟鐨?#8220;Hello world!”
鎴戜滑鐭ラ亾錛孋++綾葷殑縐佹湁鍑芥暟鏄笉鑳借澶栫晫璁塊棶鐨勶紝姣斿璇?main 鍑芥暟閲岄潰錛屽畠緇濆涓嶈兘璁塊棶綾葷殑縐佹湁鍑芥暟錛岄櫎闈炴妸瀹冭涓虹被鐨勫弸鍏冨嚱鏁般備笉榪囨垜浠繕鏄彲浠ョ敤涓浜涙瘮杈冨鎬殑鏂規硶璁塊棶綾葷殑縐佹湁鍑芥暟鈥斺斿綋鐒訛紝榪欎釜縐佹湁鍑芥暟蹇呴』婊¤凍涓涓潯浠訛細瀹冩槸铏氬嚱鏁般?br>榪欓噷灝辨秹鍙婂埌涓涓棶棰橈紝鎸囧悜铏氬嚱鏁扮殑铏氳〃鏀懼湪鍝噷錛熷浜?VS.Net 2003 鑰岃█錛岃櫄琛ㄦ槸綾葷殑絎竴涓垚鍛橈紝铏氬嚱鏁版寚閽堟寜鐓у嚱鏁板0鏄庣殑欏哄簭鏀懼湪铏氳〃閲岄潰銆傚綋鐒訛紝榪欎釜璇存硶騫朵笉涓ヨ皚錛屾洿緇嗚妭鐨勪笢瑗胯繕鏄幓鐪嬬湅閭f湰“鎴愪漢楂橀挋濂剁矇”鍚э紝瀹冧細緇欏嚭鏈鏉冨▉鐨勮В絳斻?br>榪欓噷鏄竴涓緢鏈夋剰鎬濈殑渚嬪瓙錛?br>#include <iostream>
#include <cstddef>
class secret
{
private:
    virtual void say()
    {
        std::cout << "Hello world!";
    }
};
int main()
{
    secret word;
    (reinterpret_cast<void (*)()>(**(intptr_t**)(&word)))();
    return 0;
}

9. 鏈鏆村姏鐨?#8220;Hello world!”
鏈鏆村姏鐨勮皟鐢ㄥ嚱鏁扮殑鏂規硶鏄細鐩存帴淇敼鍑芥暟鐨勮繑鍥炲湴鍧錛岃榪欎釜鍦板潃鎸囧悜鎴戜滑鎯寵璋冪敤鐨勫嚱鏁般傝繖涔熷氨鏄紦鍐插尯婧㈠嚭婕忔礊鐨勫簲鐢ㄦ柟娉曚簡錛屼笉榪囬噷闈㈣繕娑夊強鍒板緢澶氶棶棰橈紝鍦ㄨ繖閲屽氨涓嶄竴涓鍒椾婦錛屾兂瑕佷簡瑙g殑璇濓紝榪樻槸鍘?Google 鍚с傝繖閲屽彧婕旂ず涓涓彲浠ュ湪 VS.Net 2003 涓嬪彲浠ョ敤鐨?“Hello world!”銆?br>#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
void say()
{
    puts("Hello world!");
    exit(0);
}
int main()
{
    volatile intptr_t a = 0;
    volatile intptr_t * p = &a;
    *(p + 2) = (intptr_t)say;
    *(p + 3) = (intptr_t)say;
    return 0;
}

10. 澶栨槦浜鴻鐨?#8220;Hello world!”
濂戒簡錛岃繖涓?#8220;Hello world!”鏄渶鍖し鎵鎬濈殑涓涓簡錛佷笉榪囧畠騫舵病鏈夋秹鍙婁換浣曞鏉傜殑C/C++璇█鐗規э紝鍙槸鐪嬭搗鏉ユ湁鐐歸叿銆備綘鑳界湅鎳傚鏄熶漢鍦ㄨ浠涔堜笉錛?br>#include <stdio.h>
void alien_say(char * p)
{
    while (putchar(*(p += *(p + 1) - *p)));
}
int main()
{
    return alien_say("BETHO! Altec oh liryom(a loadjudas!) dowd."), 0;
}


Gu.paladino 2007-06-06 15:48 鍙戣〃璇勮
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0;<br>}<br>榪欎釜灝辨槸鏈緇忓吀鐨勫惂錛?img src ="http://m.shnenglu.com/paladino/aggbug/25583.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/paladino/" target="_blank">Gu.paladino</a> 2007-06-05 18:13 <a href="http://m.shnenglu.com/paladino/archive/2007/06/05/25583.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss> <a href="http://m.shnenglu.com/">青青草原综合久久大伊人导航_色综合久久天天综合_日日噜噜夜夜狠狠久久丁香五月_热久久这里只有精品</a> <div style="position:fixed;left:-9000px;top:-9000px;"><font id="pjuwb"></font><button id="pjuwb"><pre id="pjuwb"></pre></button><sub id="pjuwb"></sub><tbody id="pjuwb"><var id="pjuwb"><address id="pjuwb"></address></var></tbody><listing id="pjuwb"><label id="pjuwb"><strong id="pjuwb"></strong></label></listing><wbr id="pjuwb"><small id="pjuwb"><tbody id="pjuwb"></tbody></small></wbr><ins id="pjuwb"><xmp id="pjuwb"></xmp></ins><style id="pjuwb"></style><label 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