{"id":436,"date":"2007-11-14T00:00:00","date_gmt":"2007-11-13T16:00:00","guid":{"rendered":"http:\/\/www.strongd.net\/?p=436"},"modified":"2011-07-15T09:55:54","modified_gmt":"2011-07-15T01:55:54","slug":"as3%e6%97%a5%e7%a7%af%e6%9c%88%e7%b4%af1-as3%e7%9a%84%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%89%b9%e7%82%b9%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/www.strongd.net\/?p=436","title":{"rendered":"AS3\u65e5\u79ef\u6708\u7d2f(1) – AS3\u7684\u9762\u5411\u5bf9\u8c61\u7279\u70b9\u6982\u8ff0"},"content":{"rendered":"

\u539f\u6587\u7ae0\u5730\u5740\uff1ahttp:\/\/as3blog.com\/as3\/as3tip-oop\/<\/FONT><\/A> <\/STRONG><\/P>
\n

\u672c\u6587\u662f\u6211\uff08aw\uff09\u5728\u6574\u7406\u4e86\u76f8\u5173\u6587\u6863\u548c\u8ba8\u8bba\u4e4b\u540e\uff0c\u7ed3\u5408\u81ea\u5df1\u7684\u4eb2\u81ea\u5b9e\u9a8c\u603b\u7ed3\u51fa\u6765\u7684\u4e00\u4e9b\u7ecf\u9a8c\u548c\u5fc3\u5f97\u3002\u6211\u5c3d\u91cf\u63cf\u8ff0\u8be6\u5c3d\uff0c\u907f\u514d\u6a21\u7cca\u6982\u5ff5\uff0c\u5f53\u7136\u4e5f\u5e0c\u671b\u6240\u6709\u770b\u5b98\u63d0\u51fa\u6279\u8bc4\u610f\u89c1<\/STRONG>\u3002\u4e3a\u4e86\u8868\u8ff0\u65b9\u4fbf\uff0c\u5176\u4e2d\u672f\u8bed\u4e0d\u9650\u5b9a\u8bed\u8a00\uff0c\u5982\u6211\u53ef\u80fd\u4f1a\u4e00\u4f1a\u513f\u7528class\uff0c\u4e00\u4f1a\u513f\u7528\u201c\u7c7b\u201d\u3002<\/P>
\n

\u9762\u5411\u5bf9\u8c61\u7684\u96be\u70b9\u90e8\u5206\u5c31\u662f\u7406\u89e3\u53d8\u91cf\u4f5c\u7528\u57df\u4fee\u9970\u7b26\uff08modifier\uff09<\/STRONG>\u5176\u5b9e\u4e5f\u5c31\u662f\u9762\u5411\u5bf9\u8c61\u4e2d\u6211\u4eec\u5df2\u7ecf\u719f\u6089\u7684public\u3001protected\u3001private\u7b49\u7b49\u3002\u672c\u6587\u8fd8\u6df1\u5165\u8ba8\u8bba\u4e86ActionScript3\u4e2d\u65b0\u589e\u7684internal\u7b49\u6982\u5ff5\u3002\u4e0b\u9762\u6211\u4f9d\u6b21\u5217\u51fa\uff1a<\/P>
\n

\u4e00\u3001\u5173\u4e8epackage\u4ee5\u53cainternal<\/STRONG>
package\uff0c\u7528\u201c\u5f62\u800c\u4e0a\u5b66\u201d\u7684\u65b9\u5f0f\u7406\u89e3\uff0c\u5c31\u662f\u7269\u7406\u76ee\u5f55\u4e0b\u7684\u7c7b\u96c6\u5408\u3002\u5728AS2\u4e2d\u53ea\u9700\u8981\u4fdd\u8bc1\u6587\u4ef6\u7cfb\u7edf\u7684\u8def\u5f84\u5339\u914d\uff0c\u7136\u540e\u7528\u7c7b\u4f3c\u201cimport com.awflasher.someUtils\u201d\u7684\u65b9\u6cd5\u5bfc\u5165\u5373\u53ef\u3002\u800cAS3\u5219\u8981\u6c42\u60a8\u5728\u6240\u6709\u7684\u7c7b\u4e2d\u58f0\u660epackage\u5173\u952e\u8bcd\u3002package\u7684\u5927\u62ec\u53f7\u5bf9\u201c{}\u201d\u5185\uff0c\u6211\u4eec\u53ea\u80fd\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u8fd9\u4e2a\u5927\u62ec\u53f7\u5916\u9762\u5b9a\u4e49\u4e00\u4e9b\u8f85\u52a9\u7c7b\uff0c\u4e0d\u8fc7\u8fd9\u4e9b\u7c7b\u53ea\u80fd\u88ab\u5f53\u524d\u8fd9\u4e2a\u7c7b\uff08\u4f60\u5728package\u5927\u62ec\u53f7\u5bf9\u5185\u5b9a\u4e49\u7684\u7c7b\uff09\u8bbf\u95ee\u3002\u5f53\u7136\uff0c\u4e00\u4e2apackage\u5927\u62ec\u53f7\u5bf9\u5185<\/STRONG>\u53ea\u6709\u4e00\u4e2a\u7c7b\uff0c\u8fd9\u5e76\u4e0d\u4ee3\u8868\u4e00\u4e2apackage\u5185\u53ea\u6709\u4e00\u4e2a\u7c7b\u3002\u4f60\u53ef\u4ee5\u5728\u540c\u4e00\u76ee\u5f55\u4e0b\u5b9a\u4e49\u591a\u4e2a\u5c5e\u4e8e\u8be5package\uff08\u6307\u4ee3\u8fd9\u4e2a\u76ee\u5f55\uff09\u7684\u7c7b\u3002\u5b83\u7684\u610f\u4e49\u7edd\u4e0d\u662f\u7b80\u5355\u7684\u201c\u7c7b\u6587\u4ef6\u96c6\u5408\u5bb9\u5668\u201d\uff0c\u800c\u662f\u4e00\u4e2a\u8ba9\u5404\u79cd\u5e94\u8be5\u534f\u540c\u5de5\u4f5c\u7684\u7c7b\u96c6\u4e2d\u5230\u4e00\u8d77\u7684\u9879\u76ee\u5305\u3002\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u6240\u8c13\u201c\u534f\u540c\u5de5\u4f5c\u201d\u662f\u6307\u81f3\u5c11\u6709\u4e00\u4e2aclass\u8981\u5f15\u5165\u5176\u4ed6\u4e00\u4e9bclass\u6765\u8fdb\u884c\u529f\u80fd\u8bbe\u8ba1\uff0c\u800c\u8fd9\u65f6\u5019\u91c7\u7528internal\u4fee\u9970\u53ef\u4ee5\u7701\u53bb\u5f88\u591agetters\u548csetters\u3002\u6211\u81ea\u5df1\u56de\u5fc6\u8d77\u5728\u6e56\u5357\u536b\u89c6\u7684\u9879\u76ee\u4e2d\u7528AS2\u5f00\u53d1\u7684Vplayer<\/FONT><\/A>\uff0c\u4e24\u4e2a\u7c7bAVCore\u548cAVControl\u5c31\u6709\u5f88\u591agetter\u548csetter\uff0c\u641e\u7684\u7279\u522b\u9ebb\u70e6\u3002internal\u7c7b\u4f3cpublic\uff0c\u4f46\u9650\u5b9a\u5728\u4e00\u4e2apackage\u5185\u4e86\u3002\u5728\u540c\u4e00\u4e2apackage\u5185\u7684\u7c7b\u53ef\u4ee5\u8bbf\u95ee\u540c\u4e00\u4e2apackage\u5185\u5176\u4ed6\u7c7b\u7684internal\u53d8\u91cf\uff0c\u800c\u5176\u4ed6\u5305\u5185\u7684\u7c7b\u65e0\u6cd5\u8bbf\u95ee\u3002package\u4e0e\u7c7b\u7684\u7ee7\u627f\u6027\u6beb\u65e0\u5173\u7cfb\uff0c\u6bd4\u5982TextField\u548cSprite\u3001MovieClip\u90fd\u7ee7\u627f\u81eaDisplayObject\u7c7b\uff0c\u4f46TextField\u5c5e\u4e8eflash.text\u5305\uff0c\u800cMovieClip\u548cSprite\u5c5e\u4e8eflahs.display\u5305\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5305\u5bf9\u7c7b\u7684\u9650\u5b9a\u662f\u4e0e\u7ee7\u627f\u94fe\u6beb\u65e0\u5173\u8054\u7684\u3001\u4e00\u4e2a\u65b0\u7684\u201c\u7ef4\u5ea6\u201d\u7684\u9650\u5b9a\u3002
<\/STRONG>\u9644\uff1a\u4f7f\u7528\u4e00\u4e2a\u7c7b\u7684\u65f6\u5019\uff0c\u6211\u4eec\u5fc5\u987bimport\u8fd9\u4e2a\u7c7b\uff0c\u6216\u8005\u5305\u542b\u8fd9\u4e2a\u7c7b\u7684package\u3002AS2\u65f6\u76f4\u63a5\u5199\u5b8c\u6574\u5305\u8def\u5f84\u7684\u4f7f\u7528\u65b9\u6cd5\u5728AS3\u4e2d\u4e0d\u7ba1\u7528\u4e86\uff0c\u672c\u6587\u540e\u9762\u6709\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/P>
\n

\u4e8c\u3001\u5173\u4e8epublic<\/STRONG>
public\u5b9a\u4e49\u7684\u7c7b\u6216\u8005\u5c5e\u6027\u53ef\u4ee5\u5728\u4efb\u4f55\u4f5c\u7528\u57df\u5185\u7531\u4efb\u4f55\u6765\u6e90\u8bbf\u95ee\u3002\u6784\u9020\u51fd\u6570\u6c38\u8fdc\u90fd\u662fpublic\u7684\uff0cFlex\u4e2d\u7684\u5e94\u7528\u7a0b\u5e8f\u7c7b\uff08Application Class\uff09\u548cFlash CS3\u4e2d\u7684\u6587\u6863\u7c7b\uff08Document Class\uff09\u5fc5\u987b\u662fpublic\u7684\u3002\u4e14\u4e0d\u80fd\u7f3a\u7701public\u8fd9\u4e2a\u5173\u952e\u8bcd\u58f0\u660e<\/STRONG>\u3002\u6211\u5728\u6d4b\u8bd5\u4e2d\u53d1\u73b0\uff0c\u5982\u679c\u4e0d\u58f0\u660epublic\uff0cFlash\u6839\u672c\u5c31\u4e0d\u4f1a\u83b7\u53d6\u7c7b\u7684\u5b9a\u4e49\uff0c\u8fdb\u800c\u7f16\u8bd1\u65e0\u6cd5\u901a\u8fc7\u3002
\u975e\u5e38\u6709\u5fc5\u8981\u5570\u55e6\u4e00\u4e0b<\/FONT>\uff1apublic\u53ef\u4ee5\u7a7f\u8d8apackage\uff0c\u800c\u7c7b\u53c8\u4e0d\u80fd\u4f7f\u7528namespace\uff08\u53c2\u9605FlashCS3\u5e2e\u52a9\u6587\u6863\uff1aApplying namespaces\uff09\u3002<\/STRONG>\u56e0\u6b64\uff0c\u6240\u6709\u88ab\u6587\u6863\u7c7b\u8c03\u7528\u7684\u5176\u5b83\u5305\u4e2d\u7684\u7c7b\uff0c\u5e94\u8be5\u4e00\u81f4\u58f0\u660e\u4e3apublic\u7684 \u3002\u56e0\u4e3a\u6587\u6863\u7c7b\u5728\u4e00\u4e2a\u72ec\u7acb\u7684\u5305\u4e2d\u3002
<\/STRONG><\/P>
\n

\u4e09\u3001\u5173\u4e8eprotected<\/STRONG>
protected\u58f0\u660e\u7c7b\u4f3cAS2\u7684private\uff0c\u5b83\u5b9a\u4e49\u7684\u5c5e\u6027\u53ea\u80fd\u5728\u81ea\u5df1\u5b50\u7c7b\u4e2d\u53ef\u89c1\uff0c\u800c\u5176\u5b83\u573a\u5408\u90fd\u662f\u4e0d\u53ef\u89c1\u7684\u3002\u8fd9\u4e00\u70b9\u4e0eJava\u7b49\u4f20\u7edfOOP\u8bed\u8a00\u7c7b\u4f3c\u3002<\/P>
\n

\u56db\u3001\u5173\u4e8eprivate<\/STRONG>
\u6ce8\u610fAS3\u7684private\u548cAS2\u7684private\u5927\u4e0d\u76f8\u540c\uff0c\u5b83\u5b9a\u4e49\u7684\u5c5e\u6027\u53ea\u5c5e\u4e8e\u81ea\u5df1\uff0c\u5b50\u7c7b\u53ef\u4ee5\u5b9a\u4e49\u6beb\u65e0\u7275\u8fde\u7684\u540c\u540d\u5c5e\u6027\u3002
dynamic \u548c\u539f\u6765AS2\u7684dynamic\u4e00\u6837\uff0c\u7528dynamic\u58f0\u660e\u7684\u7c7b\u53ef\u4ee5\u52a8\u6001\u7684\u52a0\u5165\u5c5e\u6027\u3002\u8fd9\u4e9b\u5c5e\u6027\u4e5f\u53ef\u4ee5\u901a\u8fc7delete\u6765\u5220\u9664\u3002\u52a8\u6001\u52a0\u5165\u7684\u5c5e\u6027\u4e00\u65e6\u88ab\u5207\u65ad\u6240\u6709\u7684\u5f15\u7528\u5c31\u4f1a\u88ab\u5783\u573e\u56de\u6536\u673a\u5236\u81ea\u52a8\u56de\u6536\u3002\u6709\u65f6\u5019\u7528System.totalMemory\u68c0\u6d4b\u4e0d\u5230\u5185\u5b58\u91ca\u653e\u662f\u56e0\u4e3a\u5783\u573e\u56de\u6536\u673a\u5236\u5e76\u4e0d\u662f\u5373\u65f6\u8fd0\u884c\u7684\u3002<\/P>
\n

\u4e94\u3001\u5173\u4e8edynamic<\/STRONG>
\u52a8\u6001\uff08dynamic\uff09\u7c7b\u5141\u8bb8\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u5730\u6dfb\u52a0\u5c5e\u6027\uff0c\u5e38\u89c1\u7684\u52a8\u6001\u7c7b\u6709MovieClip\u548c\u9876\u7ea7\uff08top-level\uff09\u7684Array\u3002\u5982\u679c\u60a8\u7684\u81ea\u5b9a\u4e49\u7c7b\u8981\u7ee7\u627f\u4e8e\u52a8\u6001\u7c7b\uff0c\u90a3\u4e48\u8bf7\u4e5f\u5b9a\u4e49\u4e3a\u52a8\u6001\u7684\uff0c\u4e0d\u8981\u7701\u7565dynamic\u5173\u952e\u8bcd\u3002\u5982\u679c\u60a8\u559c\u6b22\u9605\u8bfb\u82f1\u6587\u6559\u7a0b\uff0c\u4f1a\u770b\u5230\u5f88\u591a\u201csealed class\u201d\uff0c\u5176\u542b\u4e49\u5373\u201c\u975edynamic class\u201d\u3002\u53ea\u4e0d\u8fc7\u5e76\u6ca1\u6709sealed\u8fd9\u4e2a\u5173\u952e\u8bcd\uff08AS3\u4e2d\uff0c\u7c7b\u9ed8\u8ba4\u5c31\u662fsealed\u7684\uff09\u3002\u6ce8\u610f\uff0c\u5728AS2\u4e2d\uff0c\u201c\u9aa8\u5b50\u91cc<\/STRONG>\u201d\u662f<\/STRONG>\u6ca1\u6709sealed class\u7684\uff01\u5728run-time<\/FONT>\u65f6\uff0c\u6240\u6709\u7684AS2\u4ee3\u7801\u90fd\u53d8\u6210\u4e86AS1\u7684\u8bed\u6cd5\uff0csealed class\u65e0\u4ece\u8bf4\u8d77\u4e86\u3002\u53ef\u4ee5\u8bf4\u8fd9\u662fAS3\u7684\u4e00\u4e2a\u65b0\u4ea7\u7269\u3002\u66f4\u591a\u76f8\u5173\u5185\u5bb9\u53ef\u4ee5\u53c2\u89c1\uff1a<\/STRONG>http:\/\/as3blog.com\/as3\/as3tip-take-care-of-resource<\/FONT><\/A><\/P>
\n

\u516d\u3001\u5173\u4e8e\u7ee7\u627f\uff08extends\uff09\u548coverride<\/STRONG>
\u7ee7\u627f\u5176\u5b9e\u5e76\u4e0d\u592a\u590d\u6742\uff0c\u552f\u4e00\u8981\u8bf4\u660e\u7684\u5c31\u662f\uff1a\u5b50\u7c7b\u7684\u6784\u9020\u51fd\u6570\u4e00\u5b9a\u8981\u7528\u201csuper\u201d\u8c03\u7528\u4e00\u6b21\u7236\u7c7b\u7684\u6784\u9020\u51fd\u6570\uff0c\u5426\u5219\u62a5\u9519\uff01<\/STRONG>\u5bf9\u4e8e\u7ee7\u627f\u540e\u7684\u5b50\u7c7b\uff0c\u5982\u679c\u8981\u91cd\u65b0\u5b9a\u4e49\u7236\u7c7b\u7684\u975eprivate\u65b9\u6cd5\uff0c\u5fc5\u987b\u4f7f\u7528override\u5173\u952e\u8bcd\u3002\u5728override\u7684\u65f6\u5019\uff0c\u5982\u679c\u6211\u4eec\u9700\u8981\u8c03\u7528\u7236\u7c7b\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u7528super\u5173\u952e\u8bcd\uff08\u7531\u4e8e\u7ee7\u627f\u65b9\u6cd5\u5728\u903b\u8f91\u4e0a\u4e0e\u7236\u7c7b\u5f80\u5f80\u6709\u76f8\u4f3c\u6027\uff0c\u56e0\u6b64\u6ca1\u6709\u5fc5\u8981\u628a\u65b9\u6cd5\u903b\u8f91\u5b8c\u5168\u91cd\u5199\uff09\u5b98\u65b9\u5e2e\u52a9\u4e2d\u7684\u8fd9\u4e2a\u4f8b\u5b50\u975e\u5e38\u6613\u61c2\uff1a
package {
import flash.display.MovieClip;
public class SuperExample extends MovieClip
{
public function SuperExample()
{
var myExt:Extender = new Extender()
trace(myExt.thanks()); \/\/ output: Mahalo nui loa
}
}
}<\/P>
\n

class Base {
public function thanks():String
{
return \u201cMahalo\u201d;
}
}<\/P>
\n

class Extender extends Base
{
override public function thanks():String
{
return super.thanks() + \u201d nui loa\u201d;
}
}<\/P>
\n

override\u4e0d\u80fd\u7528\u4e8e\u91cd\u8f7d\u53d8\u91cf\uff08\u6210\u5458\u5c5e\u6027\uff09\u3002\u4f46\u662f\u5374\u53ef\u4ee5\u7528\u4e8e\u91cd\u5199getter\u548csetter\u51fd\u6570\uff0c\u4f8b\u5982\uff1a\uff08\u5b98\u65b9\u5e2e\u52a9\u7684\u4f8b\u5b50\uff09
package
{
import flash.display.MovieClip;
public class OverrideExample extends MovieClip
{
public function OverrideExample()
{
trace(currentLabel)
}
override public function get currentLabel():String
{
var str:String = \u201cOverride: \u201c;
str += super.currentLabel;
return str;
}
}
}
\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u76f4\u63a5\u91cd\u5199\u4e86MovieClip\u7c7b\u7684currentLabel\u5c5e\u6027\u3002\u6ce8\u610f\u8c03\u7528\u7236\u7c7b\u5c5e\u6027\u7684\u65f6\u5019\uff0c\u7528\u4e86super.currentLabel\u3002
\u5173\u4e8e\u9759\u6001\u65b9\u6cd5\uff0c\u6bd4\u8f83\u9ebb\u70e6\u3002\u9996\u5148\uff0c\u9759\u6001\u65b9\u6cd5\u662f\u65e0\u6cd5\u88ab\u91cd\u8f7d\u7684\u3002\u5fc5\u987b\u901a\u8fc7\u7c7b\u6765\u8bbf\u95ee\u3002\u4f46\u662f\u60a8\u4e5f\u53ef\u4ee5\u81ea\u5df1\u5b9a\u4e49\u4e0e\u9759\u6001\u65b9\u6cd5\u540c\u540d\u7684\u65b9\u6cd5\uff0c\u6211\u628a\u5b98\u65b9\u7684\u4f8b\u5b50\u505a\u4e86\u4e00\u4e0b\u4fee\u6539\u5c31\u4e00\u76ee\u4e86\u7136\u4e86\uff1a
package
{
import flash.display.MovieClip;
public class StaticExample extends MovieClip
{
public function StaticExample()
{
var myExt:Extender = new Extender();
}
}
}<\/P>
\n

class Base {
public static var test:String = \u201cstatic\u201d;
}<\/P>
\n

class Extender extends Base
{
private var test:String = \u201cinstance\u201d;
public function Extender()
{
trace(Base.test); \/\/ output: static
trace(test); \/\/added by awflasher.com, output: instance
}
}
\u4e03\u3001\u5173\u4e8eimport\u8bed\u6cd5<\/STRONG>
\u5728AS2\u65f6\u4ee3\uff0c\u201cimport\u201d\u8bed\u6cd5\u53ea\u662f\u4e3a\u4e86\u8ba9\u7f16\u7a0b\u65f6\u4ee3\u7801\u7b80\u6d01\uff08\u7701\u53bb\u4e86\u5305\u540d\uff09\uff0c\u6bd4\u5982\u6211\u4eecimport\u4e86mx.transitions.Tween\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5new Tween()\u4e86\u3002\u800c\u5982\u679c\u4e0dimport\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u76f4\u63a5\u7528\u5168\u7c7b\u540d\u6765\u6784\u9020\u5b9e\u4f8b\uff0c\u4f8b\u5982\uff1a
new mx.transitions.Tween();
\u7136\u800c\uff0c\u5728AS3\u4e2d\uff0c\u65e0\u8bba\u662f\u5426\u91c7\u7528\u5168\u540d\u7c7b\u58f0\u660e\uff0c\u53ea\u8981\u4f60\u7528\u5230\u8fd9\u4e2a\u7c7b\uff0c\u5c31\u5fc5\u987bimport\u3002
import\u4f30\u8ba1\u662f\u4f20\u7edfFlash\u7a0b\u5e8f\u5458\u6240\u9700\u8981\u517b\u6210\u7684\u4e00\u4e2a\u6700\u5927\u7684\u4e60\u60ef\uff0c\u5728\u521a\u5207\u5165AS3\u5f00\u53d1\u5e73\u53f0\u7684\u65f6\u5019\uff0c\u6211\u5e38\u5e38\u5fd8\u8bb0import\u4e00\u4e9b\u5e38\u7528\u7684\u7c7b\uff0c\u4f8b\u5982\u4eceIDE\u6307\u5411\u8fc7\u6765\u7684\u6587\u672c\u548c\u6e32\u67d3\u5143\u4ef6\uff0c\u4ee5\u53caflash.event.*\u3001flash.display.StageAlign\u7b49\u6bd4\u8f83\u6cdb\u7528\u7684\u7c7b\u3002
AS3\u4e2d\u4e0d\u50cfAS2\u90a3\u6837\uff0c\u6211\u4eec\u4e0d\u80fd\u7528_root\u548cStage[\u201ddisplayState\u201d]\u6765\u8fdb\u884chacks\u4e86\u3002\uff08\u53c2\u89c1\u4e0a\u9762\u201c\u4e94-\u5173\u4e8e dynamic<\/STRONG>\u201d\uff09<\/P>
\n

\u516b\u3001\u5173\u4e8e\u7f16\u8bd1\u65f6\u7684\u6ce8\u610f\u4e8b\u9879<\/STRONG>
AS3\u4e0d\u518d\u50cfAS2\u90a3\u6837\u7b80\u5355\u5730Complie-Time\uff08\u7f16\u8bd1\u65f6\uff0c\u5373FlashCS3\/FlexBuidler\/\u5176\u4ed6\u7f16\u8bd1\u5668\u53d1\u5e03ActionScript\u53ca\u6240\u6709\u8d44\u6e90\u4e3aSWF\u6587\u4ef6\u7684\u90a3\u4e00\u65f6\u523b\uff09\u8fdb\u884c\u7c7b\u578b\u68c0\u6d4b\u4e86\uff0cAS3\u5728Run-Time\uff08\u8fd0\u884c\u65f6\uff0c\u7ea7Flashplayer\u6216\u8005\u5176\u4ed6\u64ad\u653eSWF\u7684\u8f6f\u4ef6\u5728\u64ad\u653eSWF\u7684\u65f6\u5019\uff09\u4e5f\u6709\u7c7b\u578b\u68c0\u6d4b\uff0c\u56e0\u6b64AS2\u7684Hacks\uff08\u5f3a\u5236\u8bbf\u95ee\u4e0d\u80fd\u8bbf\u95ee\u7684\u5c5e\u6027\uff09\u5c06\u4e0d\u518d\u6709\u6548\u3002<\/P>
\n

\u4e5d\u3001\u4e00\u4e2a\u4e0d\u5f97\u4e0d\u8bf4\u7684\u597d\u6d88\u606f<\/STRONG>
AS3\u4e2d\u7c7b\u6240\u6709\u7684\u53d8\u91cf\uff08\u5c5e\u6027\uff09\u548c\u51fd\u6570\uff08\u65b9\u6cd5\uff09\u7684\u4f5c\u7528\u57df\u90fd\u662f\u8fd0\u884c\u65f6\u8ddf\u7c7b\/\u5b9e\u4f8b\u8d70\u7684\u3002\u8fd9\u4e0eAS2\u5927\u6709\u4e0d\u540c\uff0c\u6211\u4eec\u4e0d\u518d\u9700\u8981\u53bbDelegate\u4e86\u3002\u53ea\u8981\u662f\u7c7b\u81ea\u5df1\u7684\u65b9\u6cd5\uff0c\u5728\u8c03\u7528\u7684\u8fc7\u7a0b\u4e2d\uff0cthis\u6c38\u8fdc\u6307\u5411\u7c7b\u81ea\u5df1\uff08\u5b9e\u4f8b\uff09\u3002<\/P>
\n

\u7b80\u8981\u603b\u7ed3\uff1a <\/STRONG>
1\u3001\u5982\u679c\u6211\u9700\u8981\u5c5e\u6027\u516c\u5f00\uff0c\u5e76\u4e14\u53ef\u4ee5\u88ab\u81ea\u5df1\u7684\u5b50\u7c7b\u7ee7\u627f\uff0c\u90a3\u4e48\u5b9a\u4e49\u6210public\u7684\u3002\u5b50\u7c7b\u4e5f\u53ef\u91cd\u5199\uff08override\uff09\u4e4b\u3002
2\u3001\u5982\u679c\u6211\u9700\u8981\u5c5e\u6027\u9690\u85cf\uff0c\u4f46\u662f\u53ef\u4ee5\u88ab\u81ea\u5df1\u7684\u5b50\u7c7b\u7ee7\u627f\uff0c\u90a3\u4e48\u5b9a\u4e49\u6210protected\u7684\u3002\u4e0epublic\u7c7b\u4f3c\uff0c\u5b50\u7c7b\u4e5f\u53ef\u91cd\u5199\uff08override\uff09\u4e4b\u3002
3\u3001\u5982\u679c\u6211\u7684\u67d0\u4e00\u4e2a\u7c7b\u6709\u4e00\u4e2a\u5c5e\u6027\u4e0d\u60f3\u5728\u4efb\u4f55\u4f4d\u7f6e\u53ef\u89c1\uff0c\u5305\u62ec\u5176\u5b50\u7c7b\uff0c\u90a3\u4e48\u5b9a\u4e49\u4e3aprivate\u7684\u3002\u5176\u5b50\u7c7b\u65e0\u9700\u91cd\u5199\uff08override\uff09\uff0c\u56e0\u4e3a\u5b83\u6839\u672c\u5c31\u4e0d\u5b58\u5728\u4e8e\u5b50\u7c7b\u4e2d\u3002<\/P>
\n

<\/DIV><\/p>\n","protected":false},"excerpt":{"rendered":"

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{import flash.display.MovieClip;public class SuperExample extends MovieClip{public function SuperExample(){var myExt:Extender = new Extender()trace(myExt.thanks()); \/\/ output: Mahalo nui loa}}} class Base {public function thanks():String{return \u201cMahalo\u201d;}} class Extender extends Base{override public function thanks():String{return super.thanks() + \u201d nui loa\u201d;}} … Continue reading AS3\u65e5\u79ef\u6708\u7d2f(1) – AS3\u7684\u9762\u5411\u5bf9\u8c61\u7279\u70b9\u6982\u8ff0<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[136],"class_list":["post-436","post","type-post","status-publish","format-standard","hentry","category-35","tag-as3"],"_links":{"self":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=436"}],"version-history":[{"count":1,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/436\/revisions"}],"predecessor-version":[{"id":939,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/436\/revisions\/939"}],"wp:attachment":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}