锘??xml version="1.0" encoding="utf-8" standalone="yes"?>99久久无码一区人妻a黑,香蕉久久久久久狠狠色,精品久久久久久无码中文野结衣http://www.shnenglu.com/train/zh-cnWed, 07 May 2025 16:14:55 GMTWed, 07 May 2025 16:14:55 GMT60闂滄柤static鏂囩珷鐨勬憳閷?璜嬪ぇ瀹跺叡浜?/title><link>http://www.shnenglu.com/train/archive/2009/04/15/80019.html</link><dc:creator>Train</dc:creator><author>Train</author><pubDate>Wed, 15 Apr 2009 08:26:00 GMT</pubDate><guid>http://www.shnenglu.com/train/archive/2009/04/15/80019.html</guid><wfw:comment>http://www.shnenglu.com/train/comments/80019.html</wfw:comment><comments>http://www.shnenglu.com/train/archive/2009/04/15/80019.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/train/comments/commentRss/80019.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/train/services/trackbacks/80019.html</trackback:ping><description><![CDATA[1銆佷粈涔堟槸static?<br>       static 鏄疌++涓緢甯哥敤鐨勪慨楗扮錛屽畠琚敤鏉ユ帶鍒跺彉閲忕殑瀛樺偍鏂瑰紡鍜屽彲瑙佹с? <p>    2銆佷負浠涔堣寮曞叆static?<br>       鍑芥暟鍐呴儴瀹氫箟鐨勫彉閲忥紝鍦ㄧ▼搴忔墽琛屽埌瀹冪殑瀹氫箟澶勬椂錛岀紪璇戝櫒涓哄畠鍦ㄦ爤涓婂垎閰嶇┖闂達紝澶у鐭ラ亾錛屽嚱鏁板湪鏍堜笂鍒嗛厤鐨勭┖闂村湪姝ゅ嚱鏁版墽琛岀粨鏉熸椂浼氶噴鏀炬帀錛岃繖鏍峰氨浜х敓浜嗕竴 涓棶棰? 濡傛灉鎯沖皢鍑芥暟涓鍙橀噺鐨勫間繚瀛樿嚦涓嬩竴嬈¤皟鐢ㄦ椂錛屽浣曞疄鐜幫紵 鏈瀹規(guī)槗鎯沖埌鐨勬柟娉曟槸瀹氫箟涓涓叏灞鐨勫彉閲忥紝浣嗗畾涔変負涓涓叏灞鍙橀噺鏈夎澶氱己鐐癸紝鏈鏄庢樉鐨勭己鐐規(guī)槸鐮村潖浜嗘鍙橀噺鐨勮闂寖鍥達紙浣垮緱鍦ㄦ鍑芥暟涓畾涔夌殑鍙橀噺錛屼笉浠呬粎鍙楁 鍑芥暟鎺у埗錛夈?/p> <p>    3銆佷粈涔堟椂鍊欑敤static?<br>       闇瑕佷竴涓暟鎹璞′負鏁翠釜綾昏岄潪鏌愪釜瀵硅薄鏈嶅姟,鍚屾椂鍙堝姏姹備笉鐮村潖綾葷殑灝佽鎬?鍗寵姹傛鎴愬憳闅愯棌鍦ㄧ被鐨勫唴閮紝瀵瑰涓嶅彲瑙併?/p> <p>    4銆乻tatic鐨勫唴閮ㄦ満鍒訛細<br>       闈欐佹暟鎹垚鍛樿鍦ㄧ▼搴忎竴寮濮嬭繍琛屾椂灝卞繀欏誨瓨鍦ㄣ傚洜涓哄嚱鏁板湪紼嬪簭榪愯涓璋冪敤錛屾墍浠ラ潤鎬佹暟鎹垚鍛樹笉鑳藉湪浠諱綍鍑芥暟鍐呭垎閰嶇┖闂村拰鍒濆鍖栥?br>       榪欐牱錛屽畠鐨勭┖闂村垎閰嶆湁涓変釜鍙兘鐨勫湴鏂癸紝涓鏄綔涓虹被鐨勫閮ㄦ帴鍙g殑澶存枃浠訛紝閭i噷鏈夌被澹版槑錛涗簩鏄被瀹氫箟鐨勫唴閮ㄥ疄鐜幫紝閭i噷鏈夌被鐨勬垚鍛樺嚱鏁板畾涔夛紱涓夋槸搴旂敤紼嬪簭鐨刴ain錛堬級鍑芥暟鍓嶇殑鍏ㄥ眬鏁版嵁澹版槑鍜屽畾涔夊銆?br>      闈欐佹暟鎹垚鍛樿瀹為檯鍦板垎閰嶇┖闂達紝鏁呬笉鑳藉湪綾葷殑澹版槑涓畾涔夛紙鍙兘澹版槑鏁版嵁鎴愬憳錛夈傜被澹版槑鍙0鏄庝竴涓被鐨?#8220;灝哄鍜岃鏍?#8221;錛屽茍涓嶈繘琛屽疄闄呯殑鍐呭瓨鍒嗛厤錛屾墍浠ュ湪綾誨0 鏄庝腑鍐欐垚瀹氫箟鏄敊璇殑銆傚畠涔熶笉鑳藉湪澶存枃浠朵腑綾誨0鏄庣殑澶栭儴瀹氫箟錛屽洜涓洪偅浼氶犳垚鍦ㄥ涓嬌鐢ㄨ綾葷殑婧愭枃浠朵腑錛屽鍏墮噸澶嶅畾涔夈?br>      static琚紩鍏ヤ互鍛婄煡緙栬瘧鍣紝灝嗗彉閲忓瓨鍌ㄥ湪紼嬪簭鐨勯潤鎬佸瓨鍌ㄥ尯鑰岄潪鏍堜笂絀洪棿錛岄潤鎬?br>鏁版嵁鎴愬憳鎸夊畾涔夊嚭鐜扮殑鍏堝悗欏哄簭渚濇鍒濆鍖栵紝娉ㄦ剰闈欐佹垚鍛樺祵濂楁椂錛岃淇濊瘉鎵宓屽鐨勬垚鍛樺凡緇忓垵濮嬪寲浜嗐傛秷闄ゆ椂鐨勯『搴忔槸鍒濆鍖栫殑鍙嶉『搴忋?/p> <p>    5銆乻tatic鐨勪紭鍔匡細<br>       鍙互鑺傜渷鍐呭瓨錛屽洜涓哄畠鏄墍鏈夊璞℃墍鍏湁鐨勶紝鍥犳錛屽澶氫釜瀵硅薄鏉ヨ錛岄潤鎬佹暟鎹垚鍛樺彧瀛樺偍涓澶勶紝渚涙墍鏈夊璞″叡鐢ㄣ傞潤鎬佹暟鎹垚鍛樼殑鍊煎姣忎釜瀵硅薄閮芥槸涓鏍鳳紝浣嗗畠鐨?鍊兼槸鍙互鏇存柊鐨勩傚彧瑕佸闈欐佹暟鎹垚鍛樼殑鍊兼洿鏂頒竴嬈★紝淇濊瘉鎵鏈夊璞″瓨鍙栨洿鏂板悗鐨勭浉鍚岀殑鍊鹼紝榪欐牱鍙互鎻愰珮鏃墮棿鏁堢巼銆?/p> <p>    6銆佸紩鐢ㄩ潤鎬佹暟鎹垚鍛樻椂錛岄噰鐢ㄥ涓嬫牸寮忥細<br>         <綾誨悕>::<闈欐佹垚鍛樺悕><br>    濡傛灉闈欐佹暟鎹垚鍛樼殑璁塊棶鏉冮檺鍏佽鐨勮瘽(鍗硃ublic鐨勬垚鍛?錛屽彲鍦ㄧ▼搴忎腑錛屾寜涓婅堪鏍煎紡<br>鏉ュ紩鐢ㄩ潤鎬佹暟鎹垚鍛樸?/p> <p>    7銆佹敞鎰忎簨欏癸細<br>      (1)綾葷殑闈欐佹垚鍛樺嚱鏁版槸灞炰簬鏁翠釜綾昏岄潪綾葷殑瀵硅薄錛屾墍浠ュ畠娌℃湁this鎸囬拡錛岃繖灝卞鑷?br>浜嗗畠浠呰兘璁塊棶綾葷殑闈欐佹暟鎹拰闈欐佹垚鍛樺嚱鏁般?br>      (2)涓嶈兘灝嗛潤鎬佹垚鍛樺嚱鏁板畾涔変負铏氬嚱鏁般?br>      (3)鐢變簬闈欐佹垚鍛樺0鏄庝簬綾諱腑錛屾搷浣滀簬鍏跺錛屾墍浠ュ鍏跺彇鍦板潃鎿嶄綔錛屽氨澶氬皯鏈変簺鐗規(guī)畩<br>錛屽彉閲忓湴鍧鏄寚鍚戝叾鏁版嵁綾誨瀷鐨勬寚閽?錛屽嚱鏁板湴鍧綾誨瀷鏄竴涓?#8220;nonmember鍑芥暟鎸囬拡”銆?/p> <p>      (4)鐢變簬闈欐佹垚鍛樺嚱鏁版病鏈塼his鎸囬拡錛屾墍浠ュ氨宸笉澶氱瓑鍚屼簬nonmember鍑芥暟錛岀粨鏋滃氨<br>浜х敓浜嗕竴涓剰鎯充笉鍒扮殑濂藉錛氭垚涓轟竴涓猚allback鍑芥暟錛屼嬌寰楁垜浠緱浠ュ皢C++鍜孋-based X W<br>indow緋葷粺緇撳悎錛屽悓鏃朵篃鎴愬姛鐨勫簲鐢ㄤ簬綰跨▼鍑芥暟韜笂銆?br>      (5)static騫舵病鏈夊鍔犵▼搴忕殑鏃剁┖寮閿錛岀浉鍙嶅ス榪樼緝鐭簡瀛愮被瀵圭埗綾婚潤鎬佹垚鍛樼殑璁塊棶<br>鏃墮棿錛岃妭鐪佷簡瀛愮被鐨勫唴瀛樼┖闂淬?br>      (6)闈欐佹暟鎹垚鍛樺湪<瀹氫箟鎴栬鏄?gt;鏃跺墠闈㈠姞鍏抽敭瀛梥tatic銆?br>      (7)闈欐佹暟鎹垚鍛樻槸闈欐佸瓨鍌ㄧ殑錛屾墍浠ュ繀欏誨瀹冭繘琛屽垵濮嬪寲銆?br>      (8)闈欐佹垚鍛樺垵濮嬪寲涓庝竴鑸暟鎹垚鍛樺垵濮嬪寲涓嶅悓:<br>       鍒濆鍖栧湪綾諱綋澶栬繘琛岋紝鑰屽墠闈笉鍔爏tatic錛屼互鍏嶄笌涓鑸潤鎬佸彉閲忔垨瀵硅薄鐩告販娣嗭紱<br>       鍒濆鍖栨椂涓嶅姞璇ユ垚鍛樼殑璁塊棶鏉冮檺鎺у埗絎rivate錛宲ublic絳夛紱<br>           鍒濆鍖栨椂浣跨敤浣滅敤鍩熻繍綆楃鏉ユ爣鏄庡畠鎵灞炵被錛?br>           鎵浠ユ垜浠緱鍑洪潤鎬佹暟鎹垚鍛樺垵濮嬪寲鐨勬牸寮忥細<br>         <鏁版嵁綾誨瀷><綾誨悕>::<闈欐佹暟鎹垚鍛樺悕>=<鍊?gt;<br>      (9)涓轟簡闃叉鐖剁被鐨勫獎鍝嶏紝鍙互鍦ㄥ瓙綾誨畾涔変竴涓笌鐖剁被鐩稿悓鐨勯潤鎬佸彉閲忥紝浠ュ睆钄界埗綾葷殑褰卞搷銆傝繖閲屾湁涓鐐歸渶瑕佹敞鎰忥細鎴戜滑璇撮潤鎬佹垚鍛樹負鐖剁被鍜屽瓙綾誨叡浜紝浣嗘垜浠湁 閲嶅瀹氫箟浜嗛潤鎬佹垚鍛橈紝榪欎細涓嶄細寮曡搗閿欒鍛紵涓嶄細錛屾垜浠殑緙栬瘧鍣ㄩ噰鐢ㄤ簡涓縐嶇粷濡欑殑鎵嬫硶錛歯ame-mangling 鐢ㄤ互鐢熸垚鍞竴鐨勬爣蹇椼?/p> <p> </p> <p><strong>闈欐佹暟鎹垚鍛?br><br></strong>銆銆鍦ㄧ被涓紝闈欐佹垚鍛樺彲浠ュ疄鐜板涓璞′箣闂寸殑鏁版嵁鍏變韓錛屽茍涓斾嬌鐢ㄩ潤鎬佹暟鎹垚鍛樿繕涓嶄細鐮村潖闅愯棌鐨勫師鍒欙紝鍗充繚璇佷簡瀹夊叏鎬с傚洜姝わ紝闈欐佹垚鍛樻槸綾葷殑鎵鏈夊璞′腑鍏變韓鐨勬垚鍛橈紝鑰屼笉鏄煇涓璞$殑鎴愬憳銆?br><br>浣跨敤闈欐佹暟鎹垚鍛樺彲浠ヨ妭鐪佸唴瀛橈紝鍥犱負瀹冩槸鎵鏈夊璞℃墍鍏湁鐨勶紝鍥犳錛屽澶氫釜瀵硅薄鏉ヨ錛岄潤鎬佹暟鎹垚鍛樺彧瀛樺偍涓澶勶紝渚涙墍鏈夊璞″叡鐢ㄣ傞潤鎬佹暟鎹垚鍛樼殑鍊煎姣忎釜 瀵硅薄閮芥槸涓鏍鳳紝浣嗗畠鐨勫兼槸鍙互鏇存柊鐨勩傚彧瑕佸闈欐佹暟鎹垚鍛樼殑鍊兼洿鏂頒竴嬈★紝淇濊瘉鎵鏈夊璞″瓨鍙栨洿鏂板悗鐨勭浉鍚岀殑鍊鹼紝榪欐牱鍙互鎻愰珮鏃墮棿鏁堢巼銆?br><br>闈欐佹暟鎹垚鍛樼殑浣跨敤鏂規(guī)硶鍜屾敞鎰忎簨欏瑰涓嬶細<br><br>1銆侀潤鎬佹暟鎹垚鍛樺湪瀹氫箟鎴栬鏄庢椂鍓嶉潰鍔犲叧閿瓧static銆?br><br>2銆侀潤鎬佹垚鍛樺垵濮嬪寲涓庝竴鑸暟鎹垚鍛樺垵濮嬪寲涓嶅悓銆傞潤鎬佹暟鎹垚鍛樺垵濮嬪寲鐨勬牸寮忓涓嬶細<br><br><鏁版嵁綾誨瀷><綾誨悕>::<闈欐佹暟鎹垚鍛樺悕>=<鍊?gt;<br><br>榪欒〃鏄庯細<br><br>      銆銆(1) 鍒濆鍖栧湪綾諱綋澶栬繘琛岋紝鑰屽墠闈笉鍔爏tatic錛屼互鍏嶄笌涓鑸潤鎬佸彉閲忔垨瀵硅薄鐩告販娣嗐?br><br>(2) 鍒濆鍖栨椂涓嶅姞璇ユ垚鍛樼殑璁塊棶鏉冮檺鎺у埗絎rivate錛宲ublic絳夈?br><br>(3) 鍒濆鍖栨椂浣跨敤浣滅敤鍩熻繍綆楃鏉ユ爣鏄庡畠鎵灞炵被錛屽洜姝わ紝闈欐佹暟鎹垚鍛樻槸綾葷殑鎴愬憳錛岃屼笉鏄璞$殑鎴愬憳銆?br><br>3銆侀潤鎬佹暟鎹垚鍛樻槸闈欐佸瓨鍌ㄧ殑錛屽畠鏄潤鎬佺敓瀛樻湡錛屽繀欏誨瀹冭繘琛屽垵濮嬪寲銆?br><br>4銆佸紩鐢ㄩ潤鎬佹暟鎹垚鍛樻椂錛岄噰鐢ㄥ涓嬫牸寮忥細<br><br><綾誨悕>::<闈欐佹垚鍛樺悕><br><br>濡傛灉闈欐佹暟鎹垚鍛樼殑璁塊棶鏉冮檺鍏佽鐨勮瘽(鍗硃ublic鐨勬垚鍛?錛屽彲鍦ㄧ▼搴忎腑錛屾寜涓婅堪鏍煎紡鏉ュ紩鐢ㄩ潤鎬佹暟鎹垚鍛樸?/p> <p><strong>闈欐佹垚鍛樺嚱鏁?br><br></strong>銆銆闈欐佹垚鍛樺嚱鏁板拰闈欐佹暟鎹垚鍛樹竴鏍鳳紝瀹冧滑閮藉睘浜庣被鐨勯潤鎬佹垚鍛橈紝瀹冧滑閮戒笉鏄璞℃垚鍛樸傚洜姝わ紝瀵歸潤鎬佹垚鍛樼殑寮曠敤涓嶉渶瑕佺敤瀵硅薄鍚嶃?br><br>鍦ㄩ潤鎬佹垚鍛樺嚱鏁扮殑瀹炵幇涓笉鑳界洿鎺ュ紩鐢ㄧ被涓鏄庣殑闈為潤鎬佹垚鍛橈紝鍙互寮曠敤綾諱腑璇存槑鐨勯潤鎬佹垚鍛樸傚鏋滈潤鎬佹垚鍛樺嚱鏁頒腑瑕佸紩鐢ㄩ潪闈欐佹垚鍛樻椂錛屽彲閫氳繃瀵硅薄鏉ュ紩鐢ㄣ?/p> <p><br>涓嬮潰鐪嬩竴涓緥瀛愶細<br>#include <iostream.h><br>class Point<br>{<br>public:<br>void output()<br>{<br>}<br>static void init()<br>{  <br>} <br>};<br>void main( void )<br>{<br>Point pt;<br>pt.init();<br>pt.output(); <br>}<br>榪欐牱緙栬瘧鏄笉浼氭湁浠諱綍閿欒鐨勩?br>涓嬮潰榪欐牱鐪?br>#include <iostream.h><br>class Point<br>{<br>public:<br>void output()<br>{  <br>}<br>static void init()<br>{  <br>} <br>};<br>void main( void )<br>{<br>Point::output();<br>}<br>榪欐牱緙栬瘧浼氬閿欙紝閿欒淇℃伅錛?a name=baidusnap0></a><strong style="COLOR: black; BACKGROUND-COLOR: rgb(255,255,102)">illegal</strong><a name=baidusnap1></a><strong style="COLOR: black; BACKGROUND-COLOR: rgb(160,255,255)">call</strong><a name=baidusnap2></a><strong style="COLOR: black; BACKGROUND-COLOR: rgb(153,255,153)">of</strong><a name=baidusnap3></a><strong style="COLOR: black; BACKGROUND-COLOR: rgb(255,153,153)">non-static</strong><a name=baidusnap6></a><strong style="COLOR: white; BACKGROUND-COLOR: rgb(0,170,0)">member</strong><a name=baidusnap7></a><strong style="COLOR: white; BACKGROUND-COLOR: rgb(136,104,0)">function</strong>錛屼負浠涔堬紵<br>鍥犱負鍦ㄦ病鏈夊疄渚嬪寲涓涓被鐨勫叿浣撳璞℃椂錛岀被鏄病鏈夎鍒嗛厤鍐呭瓨絀洪棿鐨勩?br>濂界殑鍐嶇湅鐪嬩笅闈㈢殑渚嬪瓙:<br>#include <iostream.h><br>class Point<br>{<br>public:<br>void output()<br>{  <br>}<br>static void init()<br>{  <br>} <br>};<br>void main( void )<br>{<br>Point::init();<br>}<br>榪欐椂緙栬瘧灝變笉浼氭湁閿欒錛屽洜涓哄湪綾葷殑瀹氫箟鏃訛紝瀹冮潤鎬佹暟鎹拰鎴愬憳鍑芥暟灝辨湁浜嗗畠鐨勫唴瀛樺尯錛屽畠涓嶅睘浜庣被鐨勪換浣曚竴涓叿浣撳璞°?br>濂界殑鍐嶇湅鐪嬩笅闈㈢殑渚嬪瓙:<br>#include <iostream.h><br>class Point<br>{<br>public:<br>void output()<br>{  <br>}<br>static void init()<br>{ <br>   x = 0;<br>   y = 0;<br>}<br>private:<br>int x;<br>int y;<br>};<br>void main( void )<br>{<br>Point::init();<br>}<br>緙栬瘧鍑洪敊錛?br><strong style="COLOR: black; BACKGROUND-COLOR: rgb(255,255,102)">illegal</strong> reference to data <strong style="COLOR: white; BACKGROUND-COLOR: rgb(0,170,0)">member</strong> 'Point::x' in a static <strong style="COLOR: white; BACKGROUND-COLOR: rgb(0,170,0)">member</strong><strong style="COLOR: white; BACKGROUND-COLOR: rgb(136,104,0)">function</strong><br><strong style="COLOR: black; BACKGROUND-COLOR: rgb(255,255,102)">illegal</strong> reference to data <strong style="COLOR: white; BACKGROUND-COLOR: rgb(0,170,0)">member</strong> 'Point::y' in a static <strong style="COLOR: white; BACKGROUND-COLOR: rgb(0,170,0)">member</strong><strong style="COLOR: white; BACKGROUND-COLOR: rgb(136,104,0)">function</strong><br>鍦ㄤ竴涓潤鎬佹垚鍛樺嚱鏁伴噷閿欒鐨勫紩鐢ㄤ簡鏁版嵁鎴愬憳錛?br>榪樻槸閭d釜闂錛岄潤鎬佹垚鍛橈紙鍑芥暟錛夛紝涓嶅睘浜庝換浣曚竴涓叿浣撶殑瀵硅薄錛岄偅涔堝湪綾葷殑鍏蜂綋瀵硅薄澹版槑涔嬪墠灝卞凡緇忔湁浜嗗唴瀛樺尯錛?br>鑰岀幇鍦ㄩ潪闈欐佹暟鎹垚鍛樿繕娌℃湁鍒嗛厤鍐呭瓨絀洪棿錛岄偅涔堣繖閲岃皟鐢ㄥ氨閿欒浜嗭紝灝卞ソ鍍忔病鏈夊0鏄庝竴涓彉閲忓嵈鎻愬墠浣跨敤瀹冧竴鏍楓?br>涔熷氨鏄鍦ㄩ潤鎬佹垚鍛樺嚱鏁頒腑涓嶈兘寮曠敤闈為潤鎬佺殑鎴愬憳鍙橀噺銆?br>濂界殑鍐嶇湅鐪嬩笅闈㈢殑渚嬪瓙:<br>#include <iostream.h><br>class Point<br>{<br>public:<br>void output()<br>{<br>   x = 0;<br>   y = 0;<br>   init();  <br>}<br>static void init()<br>{</p> <p>}<br>private:<br>int x;<br>int y;<br>};<br>void main( void )<br>{<br>Point::init();<br>}<br>濂界殑錛岃繖鏍峰氨涓嶄細鏈変換浣曢敊璇傝繖鏈緇堣繕鏄竴涓唴瀛樻ā鍨嬬殑闂錛?br>浠諱綍鍙橀噺鍦ㄥ唴瀛樹腑鏈変簡鑷繁鐨勭┖闂村悗錛屽湪鍏朵粬鍦版柟鎵嶈兘琚皟鐢紝鍚﹀垯灝變細鍑洪敊銆?br>濂界殑鍐嶇湅鐪嬩笅闈㈢殑渚嬪瓙:<br>#include <iostream.h><br>class Point<br>{<br>public:<br>void output()<br>{ <br>}<br>static void init()<br>{ <br>   x = 0;<br>   y = 0;<br>}<br>private:<br>static int x;<br>static int y;<br>};<br>void main( void )<br>{<br>Point::init();<br>}<br>緙栬瘧錛?br>Linking...<br>test.obj : error LNK2001: unresolved external symbol "private: static int Point::y" <br>test.obj : error LNK2001: unresolved external symbol "private: static int Point::x" <br>Debug/Test.exe : fatal error LNK1120: 2 unresolved externals<br>鎵ц link.exe 鏃跺嚭閿?<br>鍙互鐪嬪埌緙栬瘧娌℃湁閿欒錛岃繛鎺ラ敊璇紝榪欏張鏄負浠涔堝憿錛?br>榪欐槸鍥犱負闈欐佺殑鎴愬憳鍙橀噺瑕佽繘琛屽垵濮嬪寲錛屽彲浠ヨ繖鏍鳳細<br>#include <iostream.h>////////////////////////(榪欐浠g爜榪樻湁鐤戦棶錛宨nit()涓殑x, y 鍜宻tatic 鐨剎 ,y 鏈夎仈緋誨悧錛?<br>class Point<br>{<br>public:<br>void output()<br>{ <br>}<br>static void init()<br>{ <br>   x = 0;<br>   y = 0;<br>}<br>private:<br>static int x;<br>static int y;<br>};<br>int Point::x = 0;<br>int Point::y = 0;<br>void main( void )<br>{<br>Point::init();<br>}<br>鍦ㄩ潤鎬佹垚鍛樻暟鎹彉閲忓垵濮嬪寲涔嬪悗灝變笉浼氬嚭鐜扮紪璇戦敊璇簡銆?br>鍐嶇湅鐪嬩笅闈㈢殑浠g爜錛?br>#include <iostream.h><br>class Point<br>{<br>public:<br>void output()<br>{ <br>}<br>static void init()<br>{ <br>   x = 0;<br>   y = 0;<br>}<br>private:<br>static int x;<br>static int y;<br>};<br>void main( void )<br>{<br>}<br>緙栬瘧娌℃湁閿欒錛屼負浠涔堬紵<br>鍗充嬌浠栦滑娌℃湁鍒濆鍖栵紝鍥犱負鎴戜滑娌℃湁璁塊棶x錛寉錛屾墍浠ョ紪璇戜笉浼氬嚭閿欍?nbsp; </p> <p> </p> <p><font size=2>C++浼氬尯鍒嗕袱縐嶇被鍨嬬殑鎴愬憳鍑芥暟錛氶潤鎬佹垚鍛樺嚱鏁板拰闈為潤鎬佹垚鍛樺嚱鏁般傝繖涓よ呬箣闂寸殑涓涓噸澶у尯鍒槸錛岄潤鎬佹垚鍛樺嚱鏁頒笉鎺ュ彈闅愬惈鐨?em>this</em>鑷彉閲忋傛墍浠ワ紝瀹冨氨鏃犳硶璁塊棶鑷繁綾葷殑闈為潤鎬佹垚鍛樸?/font> </p> <p><font size=2>鍦ㄦ煇浜涙潯浠朵笅錛屾瘮濡傝鍦ㄤ嬌鐢ㄨ濡俻thread錛堝畠涓嶆敮鎸佺被錛夋綾葷殑澶氱嚎紼嬪簱鏃訛紝灝卞繀欏諱嬌鐢ㄩ潤鎬佺殑鎴愬憳鍑芥暟錛屽洜涓哄叾鍦板潃鍚孋璇█鍑芥暟鐨勫湴鍧鍏煎銆傝繖縐嶉摐闄愬埗灝辮揩浣跨▼搴忓憳瑕佸埄鐢ㄥ悇縐嶈В鍐沖姙娉曟墠鑳藉浠庨潤鎬佹垚鍛樺嚱鏁拌闂埌闈為潤鎬佹暟鎹垚鍛樸?/font> </p> <p><font size=2>絎竴涓В鍐沖姙娉曟槸澹版槑綾葷殑鎵鏈夋暟鎹垚鍛橀兘鏄潤鎬佺殑銆傝繍鐢ㄨ繖縐嶆柟寮忕殑璇濓紝闈欐佺殑鎴愬憳鍑芥暟灝辮兘澶熺洿鎺ュ湴璁塊棶瀹冧滑錛屼緥濡傦細</font> </p> <p><font size=2><font color=#0066ff>class Singleton<br>{<br>public:<br>   static Singleton * instance();<br>private:<br>   Singleton * p;<br>   static Lock lock;<br>};</font> <br><br></font><font color=#0066ff size=2>Singleton * Singleton::instance()<br>{<br>lock.getlock(); <font color=#006600>// fine, lock is static</font><br>if (!p)<br>   p=new Singleton;<br>lock.unlock();<br>return p;<br>} </font></p> <p><font size=2>榪欑瑙e喅鏂規(guī)硶涓嶉傜敤浜庨渶瑕佷嬌鐢ㄩ潪闈欐佹暟鎹垚鍛樼殑綾匯?/font> </p> <p><font size=2>璁塊棶闈為潤鎬佹暟鎹垚鍛?/font> </p> <p><font size=2>灝嗗弬鐓т紶閫掔粰闇瑕佽冮噺鐨勫璞¤兘澶熻闈欐佺殑鎴愬憳鍑芥暟璁塊棶鍒板璞$殑闈為潤鎬佹暟鎹細</font> </p> <p><font color=#0066ff size=2>class A<br>{<br>public:<br>   static void func(A & obj);<br>   intgetval() const; <font color=#006600>//<strong style="COLOR: black; BACKGROUND-COLOR: rgb(255,153,153)">non-static</strong><strong style="COLOR: white; BACKGROUND-COLOR: rgb(0,170,0)">member</strong><strong style="COLOR: white; BACKGROUND-COLOR: rgb(136,104,0)">function</strong></font><br>private:<br>intval;<br>}; </font></p> <p><font size=2>闈欐佹垚鍛樺嚱鏁癴unc()浼氫嬌鐢ㄥ弬鐓?em>obj</em>鏉ヨ闂潪闈欐佹垚鍛?em>val</em>銆?/font> </p> <p><font color=#0066ff size=2>voidA::func(A & obj)<br>{<br>   int n = obj.getval();<br>} </font></p> <p><font size=2>灝嗕竴涓弬鐓ф垨鑰呮寚閽堜綔涓洪潤鎬佹垚鍛樺嚱鏁扮殑鑷彉閲忎紶閫掞紝灝辨槸鍦ㄦā浠胯嚜鍔ㄤ紶閫掗潪闈欐佹垚鍛樺嚱鏁伴噷<em>this</em>鑷彉閲忚繖涓琛屼負銆?/font> </p> <img src ="http://www.shnenglu.com/train/aggbug/80019.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/train/" target="_blank">Train</a> 2009-04-15 16:26 <a href="http://www.shnenglu.com/train/archive/2009/04/15/80019.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>璜嬪公鍔╁垎鏋愪互涓嬮欏嬬▼寮忔槸鎬庡殰鍩瘋鐨?http://www.shnenglu.com/train/archive/2009/04/07/79194.htmlTrainTrainTue, 07 Apr 2009 09:23:00 GMThttp://www.shnenglu.com/train/archive/2009/04/07/79194.htmlhttp://www.shnenglu.com/train/comments/79194.htmlhttp://www.shnenglu.com/train/archive/2009/04/07/79194.html#Feedback4http://www.shnenglu.com/train/comments/commentRss/79194.htmlhttp://www.shnenglu.com/train/services/trackbacks/79194.html#include "iostream"
using namespace std;

int &f3(int n,int s[])
{
int &m=s[n];
return m;
}

void main()
{
   int s[]={5,4,3,2,1,0}
   f3(3,s)=10;
   cout<<f3(3,s)<<endl;
}

閫欐浠g⒓涓笉鐭ラ亾鏄庡殰閬嬭鐨? 1,鍑芥暩f3()涓璵鐨勫紩鐢ㄦ槸瑾? 2,涓誨嚱鏁鎬腑f3(3,s)=10;閫欐瑾炲彞鏄庡殰鐞嗚В鐨?瀹冨張鏄庡殰鍩瘋鐨?

瓔濊瑵鍚勪綅楂樻墜!  鏈漢鏂版墜,涓嶈懀鐨勬澅鏉卞緢澶?璜嬪澶氭寚鏁? 

Train 2009-04-07 17:23 鍙戣〃璇勮
]]>
鍚勪綅澶у摜! 鐧間締浜嗕竴鍊嬫蹇靛晱欏屾眰鍔?http://www.shnenglu.com/train/archive/2009/04/03/78812.htmlTrainTrainFri, 03 Apr 2009 05:04:00 GMThttp://www.shnenglu.com/train/archive/2009/04/03/78812.htmlhttp://www.shnenglu.com/train/comments/78812.htmlhttp://www.shnenglu.com/train/archive/2009/04/03/78812.html#Feedback2http://www.shnenglu.com/train/comments/commentRss/78812.htmlhttp://www.shnenglu.com/train/services/trackbacks/78812.html鎴戠従鍦ㄦ槸鍓涘緲抍++涓嶄箙,鐩墠鐨勯殠孌墊槸鎴戝鍒頒簡鍑芥暩閫欎竴閮ㄥ垎,
浣嗘槸灝嶆柤欏?綣兼壙+灝佽閮芥瘮杓冪悊瑙? 鎴戜笉鐭ラ亾瑭叉庢ǎ鎵嶈兘瀛稿埌闁嬬櫦杌熶歡鐨勫湴姝?

鎴戞兂閫欐ǎ鐩茬洰鐨勫涓嬪幓閭勪笉鏄緢濂界殑杈︽硶,璜嬪ぇ瀹剁鄲鎴戜竴鍊嬪緩璀板ソ鍤?

鍦ㄩ欒!鍏堟劅瓔濇湅鍙嬬殑鏀寔浜?.. 紲濈澶у宸ヤ綔闁嬪績!

Train 2009-04-03 13:04 鍙戣〃璇勮
]]>
亚洲欧美久久久久9999| 久久久久久国产精品美女| 久久久久99精品成人片欧美 | 久久久中文字幕| 精品无码人妻久久久久久| 区亚洲欧美一级久久精品亚洲精品成人网久久久久 | 久久性精品| 久久水蜜桃亚洲av无码精品麻豆| 狠色狠色狠狠色综合久久| 久久综合给合综合久久| 久久精品无码专区免费东京热| 久久国产成人午夜AV影院| 人妻丰满AV无码久久不卡| 久久综合给合综合久久| 久久精品免费观看| 亚洲精品无码久久久久去q| 久久久无码精品亚洲日韩软件| 久久99国产精一区二区三区| 久久精品日日躁夜夜躁欧美| 久久精品无码av| 国产2021久久精品| 国产一区二区三区久久精品| 久久综合给久久狠狠97色| 国产精品久久久香蕉| 亚洲国产精品无码久久九九| 国产99久久久久久免费看| 成人免费网站久久久| AV色综合久久天堂AV色综合在| 精品无码久久久久国产动漫3d| 日日狠狠久久偷偷色综合免费| 国产精品免费久久| 国产香蕉97碰碰久久人人| 久久精品国内一区二区三区| 国产美女久久久| 99久久成人18免费网站| 久久艹国产| 一本久久免费视频| 免费精品久久天干天干| 亚洲午夜久久久久久久久久| 日韩人妻无码一区二区三区久久 | 久久不射电影网|