strncat鍜宻trncoy鏄瘮杈冨畨鍏ㄧ殑鍑芥暟錛屾帹鑽愪嬌鐢ㄣ?br /> 錛?錛夈佸姩鎬佹暟緇?br /> const瀵硅薄鐨勬暟緇勶紝鍦ㄥ畾涔夋椂蹇呴』鎻愪緵鍒濆鍖栵細(xì)
鎿嶄綔C椋庢牸瀛楃涓茬殑鏍囧噯搴撳嚱鏁?/span>
strlen(s)
榪斿洖s鐨勯暱搴︼紝涓嶅寘鎷粨鏉熺null
strcmp(s1,s2)
姣旇緝2涓瓧絎︿覆錛岀浉鍚岃繑鍥?/span>0錛?/span>s1>s2榪斿洖姝f暟錛?/span>s1<s2榪斿洖璐熸暟
strcat(s1,s2)
灝嗗瓧絎?/span>s2榪炴帴鍒?/span>s1鍚庯紝騫惰繑鍥?/span>s1
strcpy(s1,s2)
灝?/span>s2澶嶅埗緇?/span>s1錛屽茍榪斿洖s1
strncat(s1,s2)
灝?/span>s2鐨勫墠n涓瓧絎﹁繛鎺ュ埌s1鍚庯紝騫惰繑鍥?/span>s1
strncpy(s1,s2)
灝?/span>s2鐨勫墠n涓瓧絎﹀鍒剁粰s1錛屽茍榪斿洖s1
涓銆佺煡璇嗙偣
1銆佹暟緇?/span>
2銆佹寚閽堢殑寮曞叆
3銆丆椋庢牸瀛楃涓?/span>
4銆佸緇存暟緇?br />
浜屻佽鐐?br /> 2銆佹寚閽堢殑寮曞叆
錛?錛夈佹寚閽堝垵濮嬪寲鍜岃祴鍊兼搷浣滅殑綰︽潫錛?br /> 涓嶈兘鎶奿nt鍨嬪彉閲忚祴緇欐寚閽堬紝浣嗘槸鍙互鍚ф暟鍊?鎴栧湪緙栬瘧鏃跺彲鑾峰緱0鍊肩殑const閲忚祴緇欐寚閽堬細(xì)
void*鎸囬拡錛氬彲浠ヤ繚瀛樹換浣曠被鍨嬪璞$殑鎸囬拡錛涗絾鏄笉鍏佽浣跨敤void*鎸囬拡鎿嶄綔瀹冩墍鎸囧悜鐨勫璞°?br />
錛?錛夈佹寚閽堝拰寮曠敤
寮曠敤鎬繪槸鎸囧悜鏌愪釜瀵硅薄錛屽畾涔夊紩鐢ㄦ椂娌℃湁鍒濆鍖栨槸閿欒鐨勶紱鎸囬拡瀹氫箟鏃跺彲浠ヤ笉鐢ㄥ垵濮嬪寲
緇欏紩鐢ㄨ祴鍊間慨鏀圭殑鏄寮曠敤鎵鍏寵仈鐨勫璞$殑鍊鹼紱鎸囬拡灝變慨鏀逛簡鎸囬拡鐨勫?/p>
錛?錛夈佹寚閽堢殑鎿嶄綔
ptrdiff_t錛氳〃紺?涓寚閽堝噺娉曟搷浣滅殑緇撴灉錛?br /> ptrdiff_t鍜宻ize_t鐨勫尯鍒細(xì)size_t鏄痷nsigned綾誨瀷錛宲trdiff_t鏄痵igned綾誨瀷鐨勩?br /> C++鍏佽璁$畻鏁扮粍瀵硅薄鐨勮秴鍑烘湯绔殑鍦板潃錛屼絾鏄笉鍏佽瀵規(guī)敼鍦板潃榪涜瑙e紩鐢ㄣ?br />
錛?錛夈佹寚閽堝拰const
銆?銆戙佹寚鍚慶onst瀵硅薄鐨勬寚閽堬細(xì)const double *cptr
C++寮哄埗瑕佹眰鎸囧悜const瀵硅薄鐨勬寚閽堜篃蹇呴』鍏鋒湁const鐗規(guī)э紝鍗蟲妸涓涓猚onst瀵硅薄鐨勫湴鍧璧嬬粰涓涓櫘閫氱殑銆侀潪cosnt瀵硅薄鐨勬寚閽堜細(xì)瀵艱嚧緙栬瘧閿欒錛?br /> const闄愬畾浜哻ptr鎸囬拡鎵鎸囩殑瀵硅薄鏄痗onst錛岃屼笉鏄痗ptr鏈韓錛屽嵆鍙互緇檆ptr閲嶆柊璧嬪鹼紝浣嗘槸涓嶈兘閫氳繃cptr淇敼鍏舵寚瀵硅薄鐨勫鹼紱
涓嶈兘浣跨敤void*鎸囬拡淇濆瓨const瀵硅薄鐨勫湴鍧錛屽繀欏葷敤const void*錛?br /> 鍏佽鎶婇潪const瀵硅薄鐨勫湴鍧璧嬪肩粰鎸囧悜const瀵硅薄鐨勬寚閽堬紝浣嗘槸鍙嶈繃鏉ヤ笉琛岋紙鍗崇涓鐐硅鐨勶級錛涗絾榪欐椂榪樻槸涓嶈兘閫氳繃鎸囬拡淇敼鍏舵寚瀵硅薄鐨勫箋?/p>
銆?銆戙乧onst鎸囬拡錛?span style="color: #ff0000">double *const cptr
榪欎釜鎸囬拡灝辨槸璇存槑鎸囬拡鏈韓鏄笉鑳戒慨鏀圭殑錛屽嵆瀹冧笉鑳戒嬌const鎸囬拡鍐嶆寚鍚戝叾浠栧璞★紱姝e洜涓鴻繖鏍鳳紝鎵浠onst鎸囬拡蹇呴』鍦ㄥ畾涔夋椂鍒濆鍖栵紙鍜宑onst鍙橀噺涓鏍鳳級銆?br /> 銆?銆戙佹寚鍚慶onst瀵硅薄鐨刢onst鎸囬拡錛?span style="color: #ff0000">const double *const pi_ptr
榪欎釜鎸囬拡鍗充笉鑳戒慨鏀瑰畠鎸囧悜瀵硅薄鐨勫鹼紝涔熶笉鑳戒慨鏀硅鎸囬拡鐨勬寚鍚戯紙鍗沖畠鐨勫湴鍧錛夈?br />
錛?錛夈佹寚閽堝拰typedef
涓銆佺煡璇嗙偣
1銆佹暟緇?/span>
2銆佹寚閽堢殑寮曞叆
3銆丆椋庢牸瀛楃涓?/span>
4銆佸緇存暟緇?/span>
浜屻佽鐐?br /> 1銆佹暟緇?br /> 錛?錛夈佹暟緇勭殑瀹氫箟鍜屽垵濮嬪寲
鏁扮粍瀹氫箟鏃訛紝緇存暟蹇呴』閬靛畧濡備笅瑙勫垯錛?span style="color: #ff0000">蹇呴』鐢ㄥぇ浜庣瓑浜?鐨勫父閲忚〃杈懼紡銆?/span>闈瀋onst鍙橀噺鍙婅鍒拌繍琛岄樁孌墊墠鐭ラ亾鍏跺肩殑const鍙橀噺涓嶈兘鐢ㄤ簬緇存暟銆?br />
鏁扮粍鍒濆鍖栨椂錛岀敤{}琛ㄧず鏃訛紝濡傛灉鏄被綾誨瀷鐨勶紝娌℃湁榛樿鏋勯犲嚱鏁幫紝鍒欏繀欏繪彁渚涙樉紺虹殑鍒濆鍖栥?br /> 浣跨敤涓緇勫瓧絎﹀瓧闈㈠煎垵濮嬪寲瀛楃鏁扮粍鏃訛紝涓瀹氳娣誨姞瀛楃涓茬殑絀哄瓧絎︼紝涓嶇劧灝嗗鑷寸紪璇戦敊璇紝濡備笅錛?/p>
錛?錛夈佹暟緇勬搷浣?br /> 鐢ㄥ皬鏍囪闂暟緇勫厓绱犮傛暟緇勪笅鏍囩殑姝g‘綾誨瀷鏄痵ize_t錛堝悓bitset鐨刢ount()鎴愬憳鍑芥暟榪斿洖綾誨瀷涓鑷達(dá)級銆?br />
涓銆佺煡璇嗙偣
1銆佸懡鍚嶇┖闂寸殑using澹版槑
2銆佹爣鍑嗗簱string綾誨瀷
3銆佹爣鍑嗗簱vector綾誨瀷
4銆佽凱浠e櫒綆浠?br /> 5銆佹爣鍑嗗簱bitset綾誨瀷
浜屻佽鐐?/strong>
1銆佸懡鍚嶇┖闂寸殑using澹版槑
浣跨敤using澹版槑鍙互鍦ㄤ笉闇瑕佸姞鍓嶇紑namespace_name錛氾細(xì)鐨勬儏鍐典笅璁塊棶鍛藉悕絀洪棿涓殑鍚嶅瓧錛屾牸寮忓錛?span style="color: #0000ff">using namespace::name;
2銆佹爣鍑嗗簱string綾誨瀷
string瀵硅薄鍒濆鍖栨柟寮?/span>
string s1;
榛樿鏋勯犲嚱鏁幫紝s1涓虹┖涓?/span>
string s2(s1)
灝?/span>s2鍒濆鍖栦負(fù)s1鐨勪竴涓壇鏈?/span>
string s3(“Value”);
灝?/span>s3鍒濆鍖栦負(fù)涓涓瓧絎︿覆瀛楅潰鍊肩殑鍓湰
string s4(n, ‘c’);
灝?/span>s4鍒濆鍖栦負(fù)瀛楃‘c’鐨?/span>n涓壇鏈?/span>
錛?錛夈乻tring綾誨瀷鐨勮緭鍏ユ搷浣滅鍜実etline鍑芥暟
string綾誨瀷鐨勮緭鍏ユ搷浣滅錛氳鍙栧茍蹇界暐寮澶存墍鏈夌殑絀虹櫧瀛楃錛堢┖鏍箋佹崲琛岀銆佸埗琛ㄧ錛夛紱璇誨彇瀛楃鐩村埌鍐嶆閬囧埌絀虹櫧瀛楃錛岃鍙栫粨鏉熴?br /> getline鍑芥暟錛氬寘鍚?涓弬鏁幫紝杈撳叆嫻佸璞″拰string瀵硅薄錛涜鍙栧唴瀹圭洿鍒扮鍒版崲琛岀錛屼絾騫朵笉鍖呮嫭鎹㈣絎︼紙瀹冧笉蹇界暐寮澶寸殑鎹㈣絎︼紝濡傛灉鏈夛紝閭d箞榪欐鐨勮鍙栧唴瀹逛負(fù)絀猴級
錛?錛夈乻tring::size_type綾誨瀷
string::size_type鏄竴縐嶄笌鏈哄櫒鏃犲叧鐨勩佹棤絎﹀彿鐨勬暣鍨嬬被鍨嬶紙int錛宭ong閮藉彲鑳斤級錛屽畠鍙互淇濆瓨浠繪剰string瀵硅薄鐨勯暱搴︺?br />
錛?錛夈佷笌瀛楃涓插瓧闈㈠艱繛鎺ョ殑娉ㄦ剰鐐?br />
Cctype瀹氫箟鐨勫嚱鏁?/span>
isalnum(c)
濡傛灉c鏄瓧姣嶅拰鏁板瓧錛屽垯涓?/span>true
isalpha(c)
濡傛灉c鏄瓧姣嶏紝鍒欎負(fù)true
isdigit(c)
濡傛灉c鏄暟瀛楋紝鍒欎負(fù)true
isxdigit(c)
濡傛灉c鏄崄鍏繘鍒舵暟錛屽垯涓?/span>true
iscntrl(c)
濡傛灉c鏄帶鍒跺瓧絎︼紝鍒欎負(fù)true
ispunct(c)
濡傛灉c鏄爣鐐圭鍙鳳紝鍒欎負(fù)true
isspace(c)
濡傛灉c鏄┖鐧藉瓧絎︼紝鍒欎負(fù)true
isprint(c)
濡傛灉c鏄彲鎵撳嵃鐨勫瓧絎︼紝鍒欎負(fù)true
isgraph(c)
濡傛灉c涓嶆槸絀烘牸錛屼絾鍙互鎵撳嵃錛屽垯涓?/span>true
islower(c)
濡傛灉c鏄皬鍐欏瓧姣嶏紝鍒欎負(fù)true
isupper(c)
濡傛灉c鏄ぇ鍐欏瓧姣嶏紝鍒欎負(fù)true
tolower(c)
濡傛灉c鏄ぇ鍐欏瓧姣嶏紝鍒欒繑鍥炲叾灝忓啓瀛楁瘝褰㈠紡錛屽惁鍒欑洿鎺ヨ繑鍥?/span>c
toupper(c)
濡傛灉c鏄ぇ鍐欏瓧姣嶏紝鍒欒繑鍥炲叾灝忓啓瀛楁瘝褰㈠紡錛屽惁鍒欑洿鎺ヨ繑鍥?/span>c
涓銆佺煡璇嗙偣
1銆佸熀鏈唴緗被鍨嬶紙綆楁湳綾誨瀷鍜寁oid綾誨瀷錛?br /> 2銆佸瓧闈㈠煎父閲忓拰鍙橀噺
3銆乧onst闄愬畾絎?br /> 4銆佸紩鐢?br /> 5銆乼ypedef鍚嶅瓧
6銆佹灇涓?br /> 7銆佺被綾誨瀷
8銆佸ご鏂囦歡
浜屻佽鐐?/strong>
1銆乧onst闄愬畾絎?br /> 欖旀暟錛氬湪涓婁笅鏂囦腑娌℃湁浣撶幇鍑烘潵錛屽ソ鍍忚繖涓暟鏄瓟鏈埇鐨勪粠絀轟腑鍑虹幇鐨勩傚涓嬮潰鐨?#8220;512”榪欎釜鏁?nbsp;
寮曠敤錛坮eference錛夊氨鏄璞$殑鍙︿竴涓悕縐幫紱闈瀋ongst寮曠敤鍙兘緇戝畾鍒頒笌璇ュ紩鐢ㄧ浉鍚岀被鍨嬬殑瀵規(guī)柟涓婏紝const寮曠敤鍙互緇戝畾鍒頒笉鍚屼絾鐩稿叧鐨勭被鍨嬪璞℃垨緇戝畾鍒板彸鍊箋?/p>
閲嶇偣錛歝onst寮曠敤錛屾寚鍚慶onst瀵硅薄鐨勫紩鐢ㄣ?
3銆乼ypedef
typedef鍙互鐢ㄦ潵瀹氫箟綾誨瀷鐨勫悓涔夎瘝銆傛牸寮忎負(fù)錛歵ypedef + 鏁版嵁綾誨瀷 + 鏍囪瘑絎︺?/p>
4銆佹灇涓撅紙enum錛?/p>
鏍煎紡錛歟num enumName(l鍙? {enumerator1錛?enumerator2錛?..}
錛?錛夈佹灇涓炬垚鍛橀兘鏄父閲忚〃杈懼紡錛堝湪緙栬瘧鍣ㄧ紪璇戞槸灝辮兘璁$畻鍑虹粨鏋滅殑鏁村瀷琛ㄨ揪寮忥紝鎴栨暣鍨嬪瓧闈㈠煎父閲忥級錛?/p>
錛?錛夈侀粯璁ょ殑絎竴涓灇涓炬垚鍛樻槸0錛屽悗闈㈢殑姣忎釜鏋氫婦鎴愬憳閮芥瘮鍓嶄竴涓ぇ1錛?/p>
錛?錛夈佹灇涓炬垚鍛樺間笉鏄敮涓鐨勶細(xì)enum Points { p1 = 1, p2, p3 = 2, p4}錛岃繖鍏朵腑p1=1,p2=2,p3=2,p4=3錛?/p>
錛?錛夈佹灇涓劇被鍨嬬殑瀵硅薄鍒濆鍖栨垨璧嬪兼椂錛屽彧鑳介氳繃璇ョ被鍨嬫灇涓劇殑鏌愪釜鎴愬憳榪涜銆?/p>
5銆佺被綾誨瀷
娉ㄦ剰class鍜宻truct鐨勫尯鍒細(xì)鍞竴鍖哄埆錛?span style="color: #ff0000">榛樿鎯呭喌涓嬶紝struct鐨勬垚鍛樹負(fù)public錛宑lass鐨勬垚鍛樹負(fù)private銆?/span>
6銆佸ご鏂囦歡
鍦╟onst鍙橀噺鏄敤甯擱噺琛ㄨ揪寮忓垵濮嬪寲鏃訛紝鍙互灝嗗畠瀹氫箟鍦ㄥご鏂囦歡涓紱濡傛灉涓嶆槸錛屽垯涓嶅簲璇ュ湪澶存枃浠朵腑瀹氫箟銆?/p>
涓銆佺煡璇嗙偣
1銆佸熀鏈唴緗被鍨嬶紙綆楁湳綾誨瀷鍜寁oid綾誨瀷錛?/span>
2銆佸瓧闈㈠煎父閲忓拰鍙橀噺
3銆乧onst闄愬畾絎?br /> 4銆佸紩鐢?br /> 5銆乼ypedef鍚嶅瓧
6銆佹灇涓?br /> 7銆佺被綾誨瀷
8銆佸ご鏂囦歡
浜屻佽鐐?/strong>
涓銆佺煡璇嗙偣
1銆佸熀鏈殑C++紼嬪簭
2銆?涓熀鏈殑杈撳叆杈撳嚭瀵硅薄
3銆佹敞閲婏細(xì)//銆?*..*/
4銆佹帶鍒惰鍙ワ紙while銆乫or銆乮f錛?/span>
5銆佺被綾誨瀷錛堢被鐨勭畝鍗曚粙緇嶏級
浜屻佽鐐?nbsp;
1銆佸熀鏈殑C++紼嬪簭
C++紼嬪簭鏈閲嶈鐨勬槸main鍑芥暟錛屾瘡涓狢++紼嬪簭蹇呴』鍖呭惈錛屽畠錛坢ain鍑芥暟錛夋槸鎿嶄綔緋葷粺鍞竴鑳芥樉紺鴻皟鐢ㄧ殑鍑芥暟銆?br /> 2銆?涓熀鏈殑杈撳叆杈撳嚭瀵硅薄
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