锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#x56FD;&#x4EA7;&#x7CBE;&#x54C1;&#x4E45;&#x4E45;&#x4E45;&#x4E71;&#x5F04;&#x2C;&#x7CBE;&#x54C1;&#x4E45;&#x4E45;&#x4E45;&#x9999;&#x8549;&#x514D;&#x8D39;&#x7CBE;&#x54C1;&#x89C6;&#x9891;&#x2C;&#x56FD;&#x4EA7;&#x4E00;&#x533A;&#x4E09;&#x533A;&#x5728;&#x7EBF;&#x64AD;&#x653E;</title><link>http://www.aygfsteel.com/errorfun/category/39695.html</link><description>浠諱綍浜嬫儏鍙寮�濮嬪幓鍋氾紝姘歌繙涓嶄細澶繜銆?/description><language>zh-cn</language><lastBuildDate>Wed, 20 May 2009 14:46:38 GMT</lastBuildDate><pubDate>Wed, 20 May 2009 14:46:38 GMT</pubDate><ttl>60</ttl><item><title>[杞琞AS3涓殑寮哄埗綾誨瀷杞崲</title><link>http://www.aygfsteel.com/errorfun/articles/271727.html</link><dc:creator>errorfun</dc:creator><author>errorfun</author><pubDate>Wed, 20 May 2009 07:18:00 GMT</pubDate><guid>http://www.aygfsteel.com/errorfun/articles/271727.html</guid><wfw:comment>http://www.aygfsteel.com/errorfun/comments/271727.html</wfw:comment><comments>http://www.aygfsteel.com/errorfun/articles/271727.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/errorfun/comments/commentRss/271727.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/errorfun/services/trackbacks/271727.html</trackback:ping><description><![CDATA[<p>姣忎竴縐嶇紪紼嬭璦�閮芥彁渚涘己鍒剁被鍨嬭漿鎹紝鍏佽浣犲皢鏌愪竴縐嶆暟鎹被鍨嬭漿鎹㈡垚鍙︿竴縐嶆暟鎹被鍨嬶紝AS3鑷劧涔熶笉渚嬪銆備絾鏄櫧鐒舵垜緙栧啓浜嗕笉灝慒lex紼嬪簭錛屽AS3涓殑寮哄埗綾誨瀷杞崲榪樻槸涓嶅お娓呮錛屼互鍓岮S涓槸榪欐牱榪涜寮哄埗綾誨瀷杞崲鐨勶細鍋囪鏈変竴涓被鍙仛Class1錛屾垜浠０鏄庝簡涓�涓畠鐨勫璞?c1錛屽鏋滄兂瑕佸皢瀹冭漿鎹㈡垚Class2綾誨瀷錛屽彧瑕佽繖鏍峰啓錛?/p>
<p>Class2(c1);<br />
<br />
鍦ˋS3涓綘渚濈劧鍙互榪欐牱鍐欙紝浣嗘槸AS3 涓彁渚涗簡涓�涓柊鐨勬搷浣滅錛?as 錛屽茍涓旀帹鑽愪嬌鐢╝s 榪涜寮哄埗杞崲錛屼笂榪扮殑渚嬪瓙鐢?as 鎿嶄綔絎﹀疄鐜板氨鏄繖鏍鳳細</p>
<p>c1 as Class2;</p>
<p>浣跨敤 as 鎿嶄綔絎︽湁鍑犱釜濂藉錛?/p>
<p>1.瀹冪殑鏁堟灉鍜岀涓�縐嶆柟娉曟槸涓�鏍風殑銆?br />
2.濡傛灉綾誨瀷涓嶅吋瀹規棤娉曡漿鎹紝灝變細榪斿洖null錛岃�屼笉鏄嚭閿欍�傝繖鏍蜂綘灝卞彲浠ヨ嚜瀹氫箟閿欒鐨勬椂鍊欒鍋氫粈涔堛�?br />
3.娌℃湁榪愯鏃墮敊璇紙Run Time Error錛夋彁紺恒�?/p>
<p>涓嶈繃鏈変簺鏃跺�欐垜鍦ㄤ嬌鐢?as 鐨勬椂鍊欏茍涓嶈兘杈懼埌寮哄埗杞崲鐨勭洰鐨勶紝鑰屼嬌鐢ㄧ涓�縐嶆柟娉曞垯鍙互銆備負浠�涔?as 鎿嶄綔絎︽湁鏃跺�欎細涓嶅ソ鐢ㄥ憿錛熻繖涓棶棰樺洶鎵頒簡鎴戝緢涔咃紝鐭ラ亾鏄ㄥぉ鍦∕XNA涓婂彂鐜頒簡<a  target="_blank">涓�綃囨棩蹇?/a>錛屾墠鎭嶇劧澶ф偀錛氬師鏉ュ湪AS3.0綾誨簱涓渶楂樺眰綾伙紙Top Level classes錛屾墍鏈塗op Level classes鐨勫垪琛?a  target="_blank">璇風湅榪欓噷</a>錛変箣闂磋繘琛屽己鍒惰漿鎹㈡椂錛?as 鎿嶄綔絎︽槸涓嶈搗浣滅敤鐨勩�傛瘮濡傦紝鍋囧浣犳兂瑕佸皢涓�涓猄tring 綾誨瀷鐨勫瓧絎︿覆 str 杞崲鎴?Number 綾誨瀷鐨勬暟瀛?num 鏃訛紝鍙兘鎯寵榪欐牱鍐欙細</p>
<p>num = str as Number;</p>
<p>榪欐牱鍐欐槸娌℃湁鐢ㄧ殑錛屼綘鍙兘閫氳繃絎竴縐嶆柟娉曟潵杈懼埌寮哄埗杞崲鐨勭洰鐨勶細</p>
<p>num = Number(str);</p>
<p>鐗瑰埆鎰熻阿<a  target="_blank">raghuonflex</a>瀵規鍋氫簡璇存槑錛屼篃甯屾湜榪欎簺瀵瑰涔燜lex鐨勪漢鏈変簺鎻愮ず銆?/p>
<p>娉細浠ヤ笂鎶�宸ф垜鍙湪Flex 涓獙璇佽繃錛屾湰浜哄Flash涓�紿嶄笉閫氾紝涓嶄繚璇佷篃閫傜敤浜?Flash涓殑 AS3.0 銆?/p><img src ="http://www.aygfsteel.com/errorfun/aggbug/271727.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/errorfun/" target="_blank">errorfun</a> 2009-05-20 15:18 <a href="http://www.aygfsteel.com/errorfun/articles/271727.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                    <footer>
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