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const\u65ad\u8a00&#xff1a;TypeScript\u7684as const\u53ef\u4ee5\u5c06\u503c\u63a8\u65ad\u4e3a\u5b57\u9762\u91cf\u7c7b\u578b&#xff0c;\u4f46\u5728ArkTS\u4e2d\u4e0d\u88ab\u652f\u6301\u3002\u4f60\u9700\u8981\u4f7f\u7528\u663e\u5f0f\u7684\u7c7b\u578b\u6807\u6ce8\u6216\u679a\u4e3e\u6765\u8fbe\u5230\u7c7b\u4f3c\u6548\u679c\u3002<\/p>\n<p>\u7981\u6b62\u679a\u4e3e\u7684\u8fd0\u884c\u65f6\u8bed\u4e49&#xff1a;ArkTS\u652f\u6301\u679a\u4e3e&#xff0c;\u4f46\u5bf9\u679a\u4e3e\u7684\u4f7f\u7528\u6709\u4e00\u5b9a\u9650\u5236&#xff0c;\u7279\u522b\u662f\u53cd\u5411\u6620\u5c04&#xff08;\u4ece\u503c\u5230\u540d&#xff09;\u4e0d\u88ab\u652f\u6301\u3002<\/p>\n<p>\u51fd\u6570\u58f0\u660e\u9650\u5236&#xff1a;ArkTS\u8981\u6c42\u51fd\u6570\u5fc5\u987b\u5728\u9876\u5c42\u58f0\u660e&#xff0c;\u4e0d\u652f\u6301\u5728\u8bed\u53e5\u5757\u5185\u58f0\u660e\u51fd\u6570\u3002\u8fd9\u6392\u9664\u4e86\u95ed\u5305\u7684\u67d0\u4e9b\u4f7f\u7528\u6a21\u5f0f\u3002<\/p>\n<p>\u7981\u6b62in\u64cd\u4f5c\u7b26&#xff1a;TypeScript\u7684in\u64cd\u4f5c\u7b26\u7528\u4e8e\u68c0\u67e5\u5c5e\u6027\u662f\u5426\u5b58\u5728&#xff0c;\u5728ArkTS\u4e2d\u88ab\u7981\u6b62\u3002\u4f60\u9700\u8981\u4f7f\u7528\u5176\u4ed6\u65b9\u5f0f&#xff08;\u5982hasOwnProperty\u7684\u66ff\u4ee3\u65b9\u6848\u6216\u7c7b\u578b\u5b88\u536b&#xff09;\u6765\u5b9e\u73b0\u7c7b\u4f3c\u529f\u80fd\u3002<\/p>\n<p>\u7981\u6b62delete\u64cd\u4f5c\u7b26&#xff1a;delete\u64cd\u4f5c\u7b26\u5728ArkTS\u4e2d\u4e0d\u88ab\u5141\u8bb8\u3002\u5982\u679c\u4f60\u9700\u8981\u79fb\u9664\u5bf9\u8c61\u7684\u67d0\u4e2a\u5c5e\u6027&#xff0c;\u5e94\u8be5\u91cd\u65b0\u6784\u9020\u4e00\u4e2a\u4e0d\u5305\u542b\u8be5\u5c5e\u6027\u7684\u65b0\u5bf9\u8c61\u3002<\/p>\n<p>\u7981\u6b62typeof\u68c0\u6d4b\u7c7b\u7c7b\u578b&#xff1a;typeof\u53ea\u80fd\u7528\u4e8e\u68c0\u6d4b\u57fa\u672c\u7c7b\u578b&#xff08;number\u3001string\u3001boolean\u7b49&#xff09;&#xff0c;\u4e0d\u80fd\u7528\u4e8e\u68c0\u6d4b\u7c7b\u5b9e\u4f8b\u7684\u7c7b\u578b\u3002\u7c7b\u5b9e\u4f8b\u7684\u7c7b\u578b\u68c0\u6d4b\u5e94\u4f7f\u7528instanceof\u3002<\/p>\n<p>\u8fd9\u4e9b\u5dee\u5f02\u5171\u540c\u6784\u6210\u4e86ArkTS\u7684&#034;\u56f4\u5899\u82b1\u56ed&#034;\u2014\u2014\u4e00\u4e2a\u53d7\u9650\u4f46\u5b89\u5168\u7684\u7f16\u7a0b\u73af\u5883\u3002\u7406\u89e3\u8fd9\u4e9b\u9650\u5236\u7684\u52a8\u673a&#xff0c;\u6709\u52a9\u4e8e\u4f60\u5728\u9047\u5230\u7f16\u8bd1\u9519\u8bef\u65f6\u5feb\u901f\u5b9a\u4f4d\u539f\u56e0&#xff0c;\u800c\u4e0d\u662f\u76f2\u76ee\u5730\u5c1d\u8bd5\u5404\u79cd\u53d8\u901a\u65b9\u6848\u3002<\/p>\n<hr \/>\n<h3>2. &#064;Component\u4e0d\u80fdnew\u7684\u6545\u4e8b<\/h3>\n<p>\u8fd9\u662fNearPlay\u9879\u76ee\u4e2d\u82b1\u8d39\u8c03\u8bd5\u65f6\u95f4\u6700\u957f\u7684\u4e00\u4e2a\u95ee\u9898&#xff0c;\u4e5f\u662f\u6700\u6709\u6559\u80b2\u610f\u4e49\u7684\u4e00\u4e2a\u8e29\u5751\u6848\u4f8b\u3002<\/p>\n<h4>2.1 \u95ee\u9898\u7684\u8d77\u6e90<\/h4>\n<p>NearPlay\u7684\u8bed\u97f3\u8f93\u5165\u529f\u80fd\u6700\u521d\u88ab\u8bbe\u8ba1\u4e3a\u4e00\u4e2aArkUI\u7ec4\u4ef6VoiceInputHelper&#xff0c;\u5b83\u7ee7\u627f\u81ea&#064;Component&#xff0c;\u5185\u90e8\u7ba1\u7406\u8bed\u97f3\u8bc6\u522b\u7684\u72b6\u6001\u3001\u6743\u9650\u8bf7\u6c42\u548c\u7ed3\u679c\u56de\u8c03\u3002\u6700\u521d\u7684\u8bbe\u8ba1\u610f\u56fe\u662f&#xff1a;\u5728\u9700\u8981\u8bed\u97f3\u8f93\u5165\u7684\u9875\u9762\u4e2d&#xff0c;\u521b\u5efa\u4e00\u4e2aVoiceInputHelper\u7684\u5b9e\u4f8b&#xff0c;\u8c03\u7528\u5b83\u7684\u65b9\u6cd5\u6765\u542f\u52a8\/\u505c\u6b62\u8bed\u97f3\u8bc6\u522b\u3002<\/p>\n<p>\u4ee3\u7801\u5927\u81f4\u5982\u4e0b&#xff1a;<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\n<span class=\"token keyword\">export<\/span> struct VoiceInputHelper <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> isListening<span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> transcript<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> speechRecognizer<span class=\"token operator\">:<\/span> speechRecognition<span class=\"token punctuation\">.<\/span>SpeechRecognizer <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">startListening<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316speechRecognizer\u5e76\u5f00\u59cb\u8bc6\u522b<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">stopListening<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u505c\u6b62\u8bc6\u522b<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4e00\u4e9bUI\u5143\u7d20&#xff08;\u5176\u5b9e\u4e0d\u9700\u8981&#xff09;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5728\u6e38\u620f\u9875\u9762\u4e2d&#xff0c;\u6211\u4eec\u5c1d\u8bd5\u8fd9\u6837\u4f7f\u7528&#xff1a;<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Entry<\/span><\/span><br \/>\n<span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\nstruct WerewolfGamePage <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> voiceHelper<span class=\"token operator\">:<\/span> VoiceInputHelper <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">VoiceInputHelper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7f16\u8bd1\u901a\u8fc7&#xff01;<\/span><\/p>\n<p>  <span class=\"token function\">aboutToAppear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>voiceHelper<span class=\"token punctuation\">.<\/span><span class=\"token function\">startListening<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u80fd\u591f\u7f16\u8bd1\u901a\u8fc7&#xff0c;\u4f46\u5728\u8fd0\u884c\u65f6\u7acb\u523b\u5d29\u6e83&#xff0c;\u9519\u8bef\u4fe1\u606f\u662f&#xff1a;<\/p>\n<p>Cannot read property canSpeak of undefined<\/p>\n<h4>2.2 \u4e3a\u4ec0\u4e48&#064;Component\u4e0d\u80fdnew<\/h4>\n<p>\u7ecf\u8fc7\u6df1\u5165\u8c03\u67e5&#xff0c;\u6211\u4eec\u53d1\u73b0\u4e86\u6839\u672c\u539f\u56e0&#xff1a;ArkUI\u7684&#064;Component\u4fee\u9970\u7684struct\u4e0d\u662f\u666e\u901a\u7684\u7c7b&#xff0c;\u5b83\u4e0d\u80fd\u901a\u8fc7new\u6765\u521b\u5efa\u5b9e\u4f8b\u3002<\/p>\n<p>&#064;Component\u7684struct\u5728\u7f16\u8bd1\u65f6\u4f1a\u88abArkUI\u6846\u67b6\u8fdb\u884c\u7279\u6b8a\u5904\u7406\u3002\u6846\u67b6\u4f1a\u81ea\u52a8\u751f\u6210\u5927\u91cf\u80f6\u6c34\u4ee3\u7801\u6765\u7ba1\u7406\u7ec4\u4ef6\u7684\u751f\u547d\u5468\u671f\u3001\u72b6\u6001\u540c\u6b65\u3001UI\u66f4\u65b0\u7b49\u3002\u5f53\u4f60\u5199&#064;Component struct Foo\u65f6&#xff0c;\u7f16\u8bd1\u5668\u5b9e\u9645\u4e0a\u751f\u6210\u4e86\u8fdc\u6bd4\u4f60\u5199\u7684\u4ee3\u7801\u590d\u6742\u5f97\u591a\u7684\u5185\u5bb9\u2014\u2014\u5305\u62ec\u72b6\u6001\u89c2\u5bdf\u5668\u7684\u6ce8\u518c\u3001\u5c5e\u6027\u53d8\u66f4\u56de\u8c03\u3001UI\u6e32\u67d3\u6811\u7684\u6784\u5efa\u903b\u8f91\u7b49\u3002<\/p>\n<p>\u5f53\u4f60\u5728\u4ee3\u7801\u4e2d\u5199new VoiceInputHelper()\u65f6&#xff0c;\u4f60\u7ed5\u8fc7\u4e86ArkUI\u6846\u67b6\u7684\u7ec4\u4ef6\u521d\u59cb\u5316\u6d41\u7a0b\u3002\u6846\u67b6\u7684\u5185\u90e8\u6570\u636e\u7ed3\u6784&#xff08;\u5305\u62ec\u72b6\u6001\u7ba1\u7406\u5668\u3001\u7ec4\u4ef6\u4e0a\u4e0b\u6587\u7b49&#xff09;\u6ca1\u6709\u88ab\u6b63\u786e\u521d\u59cb\u5316&#xff0c;\u5bfc\u81f4\u6240\u6709\u4f9d\u8d56\u6846\u67b6\u57fa\u7840\u8bbe\u65bd\u7684\u529f\u80fd\u90fd\u4f1a\u5d29\u6e83\u3002\u5177\u4f53\u5230\u6211\u4eec\u7684\u9519\u8bef&#xff0c;canSpeak\u662f\u8bed\u97f3\u8bc6\u522b\u5185\u90e8\u4f9d\u8d56\u7684\u4e00\u4e2a\u6846\u67b6\u5c5e\u6027&#xff0c;\u7531\u4e8e\u7ec4\u4ef6\u672a\u6b63\u786e\u521d\u59cb\u5316&#xff0c;\u8be5\u5c5e\u6027\u7684\u4e0a\u4e0b\u6587\u4e3aundefined\u3002<\/p>\n<p>\u66f4\u51c6\u786e\u5730\u8bf4&#xff0c;&#064;Component\u88c5\u9970\u5668\u7684\u8bed\u4e49\u662f&#034;\u58f0\u660e\u4e00\u4e2aUI\u7ec4\u4ef6&#034;&#xff0c;\u800c\u4e0d\u662f&#034;\u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u88ab\u5b9e\u4f8b\u5316\u7684\u7c7b&#034;\u3002\u7ec4\u4ef6\u7684\u5b9e\u4f8b\u5316\u3001\u6302\u8f7d\u548c\u9500\u6bc1\u5168\u90e8\u7531ArkUI\u6846\u67b6\u63a7\u5236\u3002\u6846\u67b6\u4f1a\u5728\u5408\u9002\u7684\u65f6\u673a&#xff08;\u5982\u9875\u9762\u5bfc\u822a\u65f6&#xff09;\u81ea\u52a8\u521b\u5efa\u7ec4\u4ef6\u5b9e\u4f8b&#xff0c;\u5e76\u901a\u8fc7\u81ea\u8eab\u7684\u5185\u90e8\u673a\u5236\u6765\u7ba1\u7406\u5176\u751f\u547d\u5468\u671f\u3002\u624b\u52a8new\u4e00\u4e2a\u7ec4\u4ef6&#xff0c;\u5c31\u50cf\u5728\u6ca1\u6709\u64cd\u4f5c\u7cfb\u7edf\u7684\u60c5\u51b5\u4e0b\u5c1d\u8bd5\u8fd0\u884c\u4e00\u4e2a\u9700\u8981\u7cfb\u7edf\u8c03\u7528\u7684\u7a0b\u5e8f\u2014\u2014\u4ee3\u7801\u672c\u8eab\u6ca1\u6709\u8bed\u6cd5\u9519\u8bef&#xff0c;\u4f46\u8fd0\u884c\u73af\u5883\u4e0d\u5b8c\u6574\u3002<\/p>\n<h4>2.3 \u62c6\u5206\u65b9\u6848<\/h4>\n<p>\u65e2\u7136VoiceInputHelper\u4e0d\u80fd\u4f5c\u4e3a&#064;Component\u6765\u4f7f\u7528&#xff0c;\u6211\u4eec\u9700\u8981\u5c06&#034;\u8bed\u97f3\u8bc6\u522b\u903b\u8f91&#034;\u548c&#034;UI\u5c55\u793a&#034;\u5206\u79bb\u3002\u6700\u7ec8\u7684\u89e3\u51b3\u65b9\u6848\u662f&#xff1a;<\/p>\n<p>VoiceInputHelper\u53d8\u4e3a\u666e\u901aclass&#xff0c;\u4e0d\u4f7f\u7528&#064;Component\u88c5\u9970\u5668&#xff1a;<\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">VoiceInputHelper<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  isListening<span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  transcript<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> speechRecognizer<span class=\"token operator\">:<\/span> speechRecognition<span class=\"token punctuation\">.<\/span>SpeechRecognizer <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> onResultCallback<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">constructor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6b63\u5e38\u7684\u6784\u9020\u51fd\u6570&#xff0c;\u53ef\u4ee5new<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">startListening<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>isListening <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u5e76\u542f\u52a8\u8bc6\u522b<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">stopListening<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>isListening <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u505c\u6b62\u8bc6\u522b<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">onResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function-variable function\">callback<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>text<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>onResultCallback <span class=\"token operator\">&#061;<\/span> callback<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5728\u9875\u9762\u7ec4\u4ef6\u4e2d\u901a\u8fc7\u666e\u901a\u5b57\u6bb5\u5f15\u7528&#xff1a;<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Entry<\/span><\/span><br \/>\n<span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\nstruct WerewolfGamePage <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> voiceTranscript<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> voiceHelper<span class=\"token operator\">:<\/span> VoiceInputHelper <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">VoiceInputHelper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">aboutToAppear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>voiceHelper<span class=\"token punctuation\">.<\/span><span class=\"token function\">onResult<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>voiceTranscript <span class=\"token operator\">&#061;<\/span> text<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u624b\u52a8\u540c\u6b65\u5230&#064;State<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>voiceHelper<span class=\"token punctuation\">.<\/span><span class=\"token function\">startListening<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">aboutToDisappear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>voiceHelper<span class=\"token punctuation\">.<\/span><span class=\"token function\">stopListening<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Column<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>voiceTranscript<span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2.4 \u5173\u952e\u6559\u8bad<\/h4>\n<p>\u8fd9\u4e2a\u6848\u4f8b\u63ed\u793a\u4e86ArkUI\u6846\u67b6\u7684\u4e00\u4e2a\u6838\u5fc3\u8bbe\u8ba1\u539f\u5219&#xff1a;\u7ec4\u4ef6&#xff08;&#064;Component&#xff09;\u662f\u6846\u67b6\u7ba1\u7406\u7684\u5b9e\u4f53&#xff0c;\u4e0d\u662f\u5f00\u53d1\u8005\u7ba1\u7406\u7684\u5bf9\u8c61\u3002\u7ec4\u4ef6\u7684\u751f\u547d\u5468\u671f\u5b8c\u5168\u7531\u6846\u67b6\u63a7\u5236&#xff0c;\u5f00\u53d1\u8005\u53ea\u80fd\u901a\u8fc7\u6846\u67b6\u63d0\u4f9b\u7684\u94a9\u5b50&#xff08;aboutToAppear\u3001aboutToDisappear\u7b49&#xff09;\u6765\u4ecb\u5165\u3002<\/p>\n<p>\u5f53\u4f60\u9700\u8981\u590d\u7528\u975eUI\u903b\u8f91\u65f6&#xff0c;\u5e94\u8be5\u4f7f\u7528\u666e\u901a\u7684TypeScript\/ArkTS class&#xff0c;\u800c\u4e0d\u662f\u8bd5\u56fe\u5c06\u5b83\u585e\u8fdb&#064;Component\u4e2d\u3002&#064;Component\u7684\u552f\u4e00\u804c\u8d23\u662f\u63cf\u8ff0UI\u2014\u2014\u5b83\u7684build()\u65b9\u6cd5\u5b9a\u4e49\u4e86\u7ec4\u4ef6\u7684\u89c6\u89c9\u5916\u89c2\u548c\u4ea4\u4e92\u903b\u8f91\u3002\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u7ec4\u4ef6\u6ca1\u6709build()\u65b9\u6cd5&#xff0c;\u6216\u8005\u5b83\u7684build()\u65b9\u6cd5\u53ea\u662f\u4e00\u4e2a\u7a7a\u7684Column()&#xff0c;\u90a3\u51e0\u4e4e\u53ef\u4ee5\u786e\u5b9a\u4f60\u7684\u8bbe\u8ba1\u51fa\u4e86\u95ee\u9898\u3002<\/p>\n<p>\u53e6\u4e00\u4e2a\u503c\u5f97\u6ce8\u610f\u7684\u70b9\u662f&#xff1a;ArkTS\u7f16\u8bd1\u5668\u4e0d\u4f1a\u963b\u6b62\u4f60\u5bf9&#064;Component struct\u4f7f\u7528new\u3002\u8fd9\u662f\u4e00\u4e2a&#034;\u7f16\u8bd1\u901a\u8fc7\u4f46\u8fd0\u884c\u65f6\u5d29\u6e83&#034;\u7684\u5178\u578b\u6848\u4f8b&#xff0c;\u4e5f\u8bf4\u660e\u4e86\u4e3a\u4ec0\u4e48\u5728ArkTS\u5f00\u53d1\u4e2d&#xff0c;\u8fd0\u884c\u65f6\u6d4b\u8bd5\u548c\u9759\u6001\u68c0\u67e5\u540c\u6837\u91cd\u8981\u3002\u4f60\u4e0d\u80fd\u4ec5\u4ec5\u4f9d\u8d56\u7f16\u8bd1\u5668\u6765\u4fdd\u8bc1\u4ee3\u7801\u7684\u6b63\u786e\u6027\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d&#xff0c;\u6211\u4eec\u5efa\u7acb\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u89c4\u5219&#xff1a;\u5982\u679c\u4e00\u4e2astruct\u88ab&#064;Component\u88c5\u9970&#xff0c;\u5b83\u5c31\u53ea\u80fd\u51fa\u73b0\u5728\u53e6\u4e00\u4e2a\u7ec4\u4ef6\u7684build()\u65b9\u6cd5\u4e2d\u4f5c\u4e3a\u5b50\u7ec4\u4ef6\u4f7f\u7528&#xff0c;\u7edd\u4e0d\u80fd\u5728\u522b\u5904new\u3002\u8fd9\u6761\u89c4\u5219\u5e2e\u52a9\u6211\u4eec\u5728\u540e\u7eed\u5f00\u53d1\u4e2d\u907f\u514d\u4e86\u8bb8\u591a\u7c7b\u4f3c\u95ee\u9898\u3002<\/p>\n<hr \/>\n<h3>3. \u7981\u6b62const\/let\u58f0\u660e\u5728&#064;Builder\u548cbuild()\u4e2d<\/h3>\n<p>ArkTS\u5bf9&#064;Builder\u88c5\u9970\u7684\u51fd\u6570\u548c\u7ec4\u4ef6\u7684build()\u65b9\u6cd5\u4e2d\u7684\u53d8\u91cf\u58f0\u660e\u65bd\u52a0\u4e86\u4e25\u683c\u9650\u5236&#xff0c;\u8fd9\u662f\u8bb8\u591a\u5f00\u53d1\u8005\u9996\u6b21\u63a5\u89e6ArkTS\u65f6\u6700\u5bb9\u6613\u8e29\u7684\u5751\u4e4b\u4e00\u3002<\/p>\n<h4>3.1 \u9650\u5236\u7684\u5177\u4f53\u5185\u5bb9<\/h4>\n<p>\u5728\u6807\u51c6\u7684TypeScript\u6216JavaScript\u4e2d&#xff0c;\u4f60\u53ef\u4ee5\u5728\u4efb\u4f55\u51fd\u6570\u5185\u90e8\u4f7f\u7528const\u548clet\u6765\u58f0\u660e\u5c40\u90e8\u53d8\u91cf\u3002\u4f46\u5728ArkTS\u7684&#064;Builder\u51fd\u6570\u548cbuild()\u65b9\u6cd5\u4e2d&#xff0c;const\u548clet\u58f0\u660e\u88ab\u7981\u6b62\u3002\u4f60\u53ea\u80fd\u4f7f\u7528\u8d4b\u503c\u8868\u8fbe\u5f0f\u6216\u76f4\u63a5\u5728\u8868\u8fbe\u5f0f\u4e2d\u8ba1\u7b97\u503c\u3002<\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u5728ArkTS\u4e2d\u662f\u975e\u6cd5\u7684&#xff1a;<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\nstruct MyComponent <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> items<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> sum <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>items<span class=\"token punctuation\">.<\/span><span class=\"token function\">reduce<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> a <span class=\"token operator\">&#043;<\/span> b<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7f16\u8bd1\u9519\u8bef&#xff01;<\/span><br \/>\n    <span class=\"token function\">Column<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">Sum: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>sum<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.2 \u9650\u5236\u7684\u539f\u56e0<\/h4>\n<p>\u8fd9\u4e2a\u9650\u5236\u4e0eArkUI\u7684\u58f0\u660e\u5f0fUI\u8303\u5f0f\u5bc6\u5207\u76f8\u5173\u3002\u5728ArkUI\u4e2d&#xff0c;build()\u65b9\u6cd5\u548c&#064;Builder\u51fd\u6570\u7684\u804c\u8d23\u662f\u58f0\u660eUI\u7ed3\u6784&#xff0c;\u800c\u4e0d\u662f\u6267\u884c\u547d\u4ee4\u5f0f\u903b\u8f91\u3002\u6bcf\u6b21\u72b6\u6001\u53d8\u5316\u5bfc\u81f4UI\u91cd\u65b0\u6e32\u67d3\u65f6&#xff0c;build()\u65b9\u6cd5\u4f1a\u88ab\u91cd\u65b0\u8c03\u7528\u3002\u5982\u679c\u5141\u8bb8\u5728build()\u4e2d\u4f7f\u7528const\/let\u58f0\u660e\u5c40\u90e8\u53d8\u91cf&#xff0c;\u5f00\u53d1\u8005\u5f88\u5bb9\u6613\u5c06\u8fd9\u4e9b\u53d8\u91cf\u7528\u4e8e\u590d\u6742\u7684\u8ba1\u7b97\u903b\u8f91&#xff0c;\u5bfc\u81f4&#xff1a;<\/p>\n<li>\u6027\u80fd\u95ee\u9898&#xff1a;\u6bcf\u6b21\u91cd\u6e32\u67d3\u90fd\u91cd\u65b0\u6267\u884c\u8ba1\u7b97\u903b\u8f91&#xff0c;\u5373\u4f7f\u8ba1\u7b97\u7ed3\u679c\u6ca1\u6709\u53d8\u5316\u3002<\/li>\n<li>\u72b6\u6001\u7ba1\u7406\u6df7\u4e71&#xff1a;\u5c40\u90e8\u53d8\u91cf\u4e0d\u5c5e\u4e8eArkUI\u7684\u72b6\u6001\u7ba1\u7406\u7cfb\u7edf&#xff0c;\u4e0d\u4f1a\u89e6\u53d1UI\u66f4\u65b0\u3002\u5f00\u53d1\u8005\u53ef\u80fd\u8bef\u4ee5\u4e3a\u4fee\u6539\u5c40\u90e8\u53d8\u91cf\u4f1a\u5237\u65b0UI\u3002<\/li>\n<li>\u8bed\u4e49\u6a21\u7cca&#xff1a;\u58f0\u660e\u5f0fUI\u6846\u67b6\u671f\u671bbuild()\u662f\u7eaf\u51fd\u6570\u2014\u2014\u76f8\u540c\u7684\u8f93\u5165&#xff08;\u72b6\u6001&#xff09;\u4ea7\u751f\u76f8\u540c\u7684\u8f93\u51fa&#xff08;UI\u6811&#xff09;\u3002\u5c40\u90e8\u53d8\u91cf\u6253\u7834\u4e86\u8fd9\u79cd\u7eaf\u51fd\u6570\u8bed\u4e49\u3002<\/li>\n<h4>3.3 \u89e3\u51b3\u65b9\u6848<\/h4>\n<p>\u65b9\u6848\u4e00&#xff1a;\u5c06\u8ba1\u7b97\u903b\u8f91\u79fb\u5230\u7ec4\u4ef6\u65b9\u6cd5\u4e2d<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\nstruct MyComponent <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> items<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">private<\/span> <span class=\"token function\">getSum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>items<span class=\"token punctuation\">.<\/span><span class=\"token function\">reduce<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> a <span class=\"token operator\">&#043;<\/span> b<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Column<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">Sum: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getSum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u65b9\u6848\u4e8c&#xff1a;\u4f7f\u7528&#064;Computed&#xff08;\u5982\u679c\u53ef\u7528&#xff09;\u6216&#064;Watch<\/p>\n<p>\u5728\u67d0\u4e9b\u7248\u672c\u7684ArkUI\u4e2d&#xff0c;\u4f60\u53ef\u4ee5\u4f7f\u7528\u8ba1\u7b97\u5c5e\u6027\u6a21\u5f0f\u6765\u7f13\u5b58\u8ba1\u7b97\u7ed3\u679c&#xff1a;<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\nstruct MyComponent <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> items<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> sum<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Watch<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;items&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token function\">onItemsChange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>sum <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>items<span class=\"token punctuation\">.<\/span><span class=\"token function\">reduce<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> a <span class=\"token operator\">&#043;<\/span> b<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Column<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">Sum: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>sum<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u65b9\u6848\u4e09&#xff1a;\u5728aboutToAppear\u4e2d\u9884\u8ba1\u7b97<\/p>\n<p>\u5bf9\u4e8e\u4e0d\u9891\u7e41\u53d8\u5316\u7684\u503c&#xff0c;\u53ef\u4ee5\u5728\u7ec4\u4ef6\u521d\u59cb\u5316\u65f6\u8ba1\u7b97&#xff1a;<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\nstruct MyComponent <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> items<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> sum<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">aboutToAppear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>sum <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>items<span class=\"token punctuation\">.<\/span><span class=\"token function\">reduce<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> a <span class=\"token operator\">&#043;<\/span> b<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Column<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">Sum: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>sum<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.4 &#064;Builder\u4e2d\u7684\u540c\u6837\u95ee\u9898<\/h4>\n<p>&#064;Builder\u51fd\u6570\u540c\u6837\u53d7\u6b64\u9650\u5236\u5f71\u54cd\u3002\u5728NearPlay\u9879\u76ee\u4e2d&#xff0c;\u6211\u4eec\u6709\u591a\u4e2a&#064;Builder\u7528\u4e8e\u6784\u5efa\u91cd\u590d\u7684UI\u6a21\u5f0f&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u9519\u8bef\u5199\u6cd5<\/span><br \/>\n<span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Builder<\/span><\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">GameCard<\/span><span class=\"token punctuation\">(<\/span>game<span class=\"token operator\">:<\/span> GameInfo<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> displayName <span class=\"token operator\">&#061;<\/span> game<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">.<\/span><span class=\"token function\">toUpperCase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7f16\u8bd1\u9519\u8bef&#xff01;<\/span><br \/>\n  <span class=\"token function\">Row<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span>displayName<span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6b63\u786e\u5199\u6cd5 &#8211; \u4f7f\u7528\u65b9\u6cd5\u8c03\u7528<\/span><br \/>\n<span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Builder<\/span><\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">GameCard<\/span><span class=\"token punctuation\">(<\/span>game<span class=\"token operator\">:<\/span> GameInfo<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">Row<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span>game<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">.<\/span><span class=\"token function\">toUpperCase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u76f4\u63a5\u5728\u8868\u8fbe\u5f0f\u4e2d\u8ba1\u7b97<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5982\u679c\u8ba1\u7b97\u903b\u8f91\u8f83\u4e3a\u590d\u6742&#xff0c;\u53ef\u4ee5\u5c06\u5176\u63d0\u53d6\u4e3a\u7ec4\u4ef6\u7684\u666e\u901a\u65b9\u6cd5&#xff0c;\u6216\u8005\u5728\u4f20\u9012\u7ed9&#064;Builder\u4e4b\u524d\u9884\u5148\u8ba1\u7b97\u597d\u3002<\/p>\n<p>\u8fd9\u4e2a\u9650\u5236\u7684\u672c\u8d28\u662f\u5728\u63d0\u9192\u5f00\u53d1\u8005&#xff1a;build()\u548c&#064;Builder\u662f\u58f0\u660eUI\u7684\u5730\u65b9&#xff0c;\u4e0d\u662f\u6267\u884c\u4e1a\u52a1\u903b\u8f91\u7684\u5730\u65b9\u3002\u5c06\u903b\u8f91\u548c\u58f0\u660e\u6df7\u5728\u4e00\u8d77&#xff0c;\u4e0d\u4ec5\u8fdd\u53cdArkTS\u7684\u8bed\u6cd5\u89c4\u5219&#xff0c;\u4e5f\u8fdd\u53cd\u4e86\u58f0\u660e\u5f0fUI\u7684\u8bbe\u8ba1\u54f2\u5b66\u3002<\/p>\n<hr \/>\n<h3>4. Object.keys()\u548cfor\u2026in\u7981\u4ee4<\/h3>\n<p>ArkTS\u7981\u6b62\u4f7f\u7528Object.keys()\u548cfor&#8230;in\u5faa\u73af&#xff0c;\u8fd9\u5bf9\u4e60\u60ef\u4e86JavaScript\/TypeScript\u52a8\u6001\u7279\u6027\u7684\u5f00\u53d1\u8005\u6765\u8bf4\u662f\u4e00\u4e2a\u91cd\u5927\u8c03\u6574\u3002\u5728NearPlay\u9879\u76ee\u4e2d&#xff0c;\u6211\u4eec\u5927\u91cf\u4f7f\u7528Record&lt;string, T&gt;\u6765\u5b58\u50a8\u952e\u503c\u5bf9\u6570\u636e&#xff08;\u5982\u73a9\u5bb6\u5217\u8868\u3001\u6e38\u620f\u914d\u7f6e\u7b49&#xff09;&#xff0c;\u56e0\u6b64\u8fd9\u4e2a\u9650\u5236\u5bf9\u6211\u4eec\u5f71\u54cd\u5c24\u4e3a\u663e\u8457\u3002<\/p>\n<h4>4.1 \u4e3a\u4ec0\u4e48\u88ab\u7981\u6b62<\/h4>\n<p>Object.keys()\u548cfor&#8230;in\u5728JavaScript\u4e2d\u7528\u4e8e\u904d\u5386\u5bf9\u8c61\u7684\u53ef\u679a\u4e3e\u5c5e\u6027\u3002\u5b83\u4eec\u88ab\u7981\u6b62\u7684\u539f\u56e0\u6d89\u53caArkTS\u7684\u6838\u5fc3\u8bbe\u8ba1\u54f2\u5b66&#xff1a;<\/p>\n<p>\u9759\u6001\u53ef\u5206\u6790\u6027&#xff1a;Object.keys()\u7684\u8fd4\u56de\u7c7b\u578b\u662fstring[]&#xff0c;\u4f46\u4f60\u65e0\u6cd5\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\u8fd9\u4e9b\u5b57\u7b26\u4e32\u7684\u503c\u3002\u8fd9\u610f\u5473\u7740\u7f16\u8bd1\u5668\u65e0\u6cd5\u5bf9\u57fa\u4e8eObject.keys()\u7684\u5faa\u73af\u8fdb\u884c\u4f18\u5316&#xff0c;\u4e5f\u65e0\u6cd5\u5728\u7f16\u8bd1\u65f6\u68c0\u67e5\u5c5e\u6027\u8bbf\u95ee\u7684\u5408\u6cd5\u6027\u3002<\/p>\n<p>\u539f\u578b\u94fe\u904d\u5386&#xff1a;for&#8230;in\u4e0d\u4ec5\u904d\u5386\u5bf9\u8c61\u81ea\u8eab\u7684\u5c5e\u6027&#xff0c;\u8fd8\u4f1a\u904d\u5386\u539f\u578b\u94fe\u4e0a\u7684\u53ef\u679a\u4e3e\u5c5e\u6027\u3002\u8fd9\u79cd\u884c\u4e3a\u5728\u9759\u6001\u7c7b\u578b\u7cfb\u7edf\u4e2d\u662f\u4e0d\u53ef\u9884\u6d4b\u7684&#xff0c;\u4e5f\u53ef\u80fd\u5bfc\u81f4\u610f\u5916\u7684\u884c\u4e3a\u3002<\/p>\n<p>\u6027\u80fd\u8003\u91cf&#xff1a;\u52a8\u6001\u5c5e\u6027\u904d\u5386\u9700\u8981\u8fd0\u884c\u65f6\u7684\u53cd\u5c04\u673a\u5236\u652f\u6301&#xff0c;\u8fd9\u4e0eArkTS\u8ffd\u6c42\u7684&#034;\u7f16\u8bd1\u65f6\u786e\u5b9a\u4e00\u5207&#034;\u7684\u76ee\u6807\u76f8\u77db\u76fe\u3002<\/p>\n<h4>4.2 \u4f7f\u7528Map\u66ff\u4ee3<\/h4>\n<p>ArkTS\u63a8\u8350\u4f7f\u7528Map\u6765\u66ff\u4ee3Record&lt;string, T&gt;\u7684\u5927\u90e8\u5206\u4f7f\u7528\u573a\u666f\u3002Map\u63d0\u4f9b\u4e86forEach\u65b9\u6cd5\u6765\u904d\u5386\u952e\u503c\u5bf9&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u65e7\u5199\u6cd5 &#8211; \u88ab\u7981\u6b62<\/span><br \/>\n<span class=\"token keyword\">const<\/span> players<span class=\"token operator\">:<\/span> Record<span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> PlayerInfo<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\nplayers<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;alice&#039;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> score<span class=\"token operator\">:<\/span> <span class=\"token number\">100<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> key <span class=\"token keyword\">in<\/span> players<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">,<\/span> players<span class=\"token punctuation\">[<\/span>key<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">const<\/span> keys <span class=\"token operator\">&#061;<\/span> Object<span class=\"token punctuation\">.<\/span><span class=\"token function\">keys<\/span><span class=\"token punctuation\">(<\/span>players<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u65b0\u5199\u6cd5 &#8211; \u4f7f\u7528Map<\/span><br \/>\n<span class=\"token keyword\">const<\/span> players<span class=\"token operator\">:<\/span> Map<span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> PlayerInfo<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nplayers<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;alice&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span> score<span class=\"token operator\">:<\/span> <span class=\"token number\">100<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nplayers<span class=\"token punctuation\">.<\/span><span class=\"token function\">forEach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>value<span class=\"token operator\">:<\/span> PlayerInfo<span class=\"token punctuation\">,<\/span> key<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>4.3 \u5f53\u4f60\u5fc5\u987b\u4f7f\u7528Record\u65f6<\/h4>\n<p>\u5728\u67d0\u4e9b\u573a\u666f\u4e0b&#xff0c;\u4f60\u53ef\u80fd\u4ecd\u7136\u9700\u8981\u4f7f\u7528Record&lt;string, T&gt;&#xff0c;\u4f8b\u5982\u4e0eJSON\u6570\u636e\u4ea4\u4e92\u65f6\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b&#xff0c;\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b89\u5168\u5730\u904d\u5386&#xff1a;<\/p>\n<p>\u65b9\u5f0f\u4e00&#xff1a;\u7ef4\u62a4\u952e\u7684\u6570\u7ec4<\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">PlayerStore<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  data<span class=\"token operator\">:<\/span> Record<span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> PlayerInfo<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  keys<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> store<span class=\"token operator\">:<\/span> PlayerStore <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  data<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  keys<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">addPlayer<\/span><span class=\"token punctuation\">(<\/span>store<span class=\"token operator\">:<\/span> PlayerStore<span class=\"token punctuation\">,<\/span> key<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> player<span class=\"token operator\">:<\/span> PlayerInfo<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  store<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">[<\/span>key<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> player<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>store<span class=\"token punctuation\">.<\/span>keys<span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    store<span class=\"token punctuation\">.<\/span>keys<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u904d\u5386\u65f6\u4f7f\u7528keys\u6570\u7ec4<\/span><br \/>\nstore<span class=\"token punctuation\">.<\/span>keys<span class=\"token punctuation\">.<\/span><span class=\"token function\">forEach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> player<span class=\"token operator\">:<\/span> PlayerInfo <span class=\"token operator\">&#061;<\/span> store<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">[<\/span>key<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u5904\u7406player<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u65b9\u5f0f\u4e8c&#xff1a;\u4f7f\u7528String(key)\u8fdb\u884c\u7c7b\u578b\u5b89\u5168\u7684\u8bbf\u95ee<\/p>\n<p>\u5f53\u4f60\u4ece\u67d0\u79cd\u9014\u5f84\u83b7\u5f97\u4e86\u952e\u7684\u5217\u8868&#xff08;\u5982\u540e\u7aef\u8fd4\u56de\u7684\u5b57\u6bb5\u540d\u6570\u7ec4&#xff09;&#xff0c;\u53ef\u4ee5\u4f7f\u7528String()\u6765\u786e\u4fdd\u952e\u7684\u7c7b\u578b\u5b89\u5168&#xff1a;<\/p>\n<p><span class=\"token keyword\">const<\/span> gameConfig<span class=\"token operator\">:<\/span> Record<span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">number<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token string-property property\">&#039;maxPlayers&#039;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string-property property\">&#039;roundTime&#039;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">60<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> configKeys<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;maxPlayers&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;roundTime&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5df2\u77e5\u7684\u952e\u5217\u8868<\/span><\/p>\n<p>configKeys<span class=\"token punctuation\">.<\/span><span class=\"token function\">forEach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> value<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> gameConfig<span class=\"token punctuation\">[<\/span>key<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7c7b\u578b\u5b89\u5168<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>4.4 for\u2026of\u662f\u5141\u8bb8\u7684<\/h4>\n<p>\u503c\u5f97\u6ce8\u610f\u7684\u662f&#xff0c;for&#8230;of\u5faa\u73af\u5728ArkTS\u4e2d\u662f\u88ab\u5141\u8bb8\u7684\u3002\u4f60\u53ef\u4ee5\u7528\u5b83\u6765\u904d\u5386\u6570\u7ec4\u3001Map\u7b49\u53ef\u8fed\u4ee3\u5bf9\u8c61&#xff1a;<\/p>\n<p><span class=\"token keyword\">const<\/span> playerList<span class=\"token operator\">:<\/span> PlayerInfo<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&#8230;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> player <span class=\"token keyword\">of<\/span> playerList<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u5408\u6cd5<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> playerMap<span class=\"token operator\">:<\/span> Map<span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> PlayerInfo<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> entry <span class=\"token keyword\">of<\/span> playerMap<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> key<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> entry<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> value<span class=\"token operator\">:<\/span> PlayerInfo <span class=\"token operator\">&#061;<\/span> entry<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u5408\u6cd5<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.5 \u5b9e\u9645\u9879\u76ee\u4e2d\u7684\u7ecf\u9a8c<\/h4>\n<p>\u5728NearPlay\u9879\u76ee\u4e2d&#xff0c;\u6211\u4eec\u5c06\u51e0\u4e4e\u6240\u6709Record&lt;string, T&gt;\u66ff\u6362\u4e3aMap&lt;string, T&gt;\u3002\u552f\u4e00\u4fdd\u7559Record\u7684\u573a\u666f\u662f\u4e0eWebSocket\u6d88\u606f\u7684JSON\u89e3\u6790\u76f8\u5173\u2014\u2014\u56e0\u4e3aJSON.parse()\u8fd4\u56de\u7684\u662f\u666e\u901a\u5bf9\u8c61\u800c\u975eMap\u3002\u5bf9\u4e8e\u8fd9\u79cd\u573a\u666f&#xff0c;\u6211\u4eec\u5b9a\u4e49\u4e86\u4e25\u683c\u7684\u63a5\u53e3\u7c7b\u578b&#xff0c;\u5e76\u4f7f\u7528\u624b\u52a8\u5217\u4e3e\u952e\u7684\u65b9\u5f0f\u6765\u8bbf\u95ee\u6570\u636e&#xff0c;\u800c\u4e0d\u662f\u4f7f\u7528Object.keys()\u6216for&#8230;in\u3002<\/p>\n<p>\u8fd9\u79cd\u8f6c\u6362\u867d\u7136\u589e\u52a0\u4e86\u4ee3\u7801\u7684\u5197\u957f\u6027&#xff0c;\u4f46\u5e26\u6765\u4e86\u7c7b\u578b\u5b89\u5168\u7684\u663e\u8457\u63d0\u5347\u3002\u4f7f\u7528Map\u540e&#xff0c;TypeScript\u7684\u7c7b\u578b\u7cfb\u7edf\u80fd\u591f\u66f4\u7cbe\u786e\u5730\u8ffd\u8e2a\u952e\u548c\u503c\u7684\u7c7b\u578b\u5173\u7cfb&#xff0c;\u51cf\u5c11\u4e86\u8fd0\u884c\u65f6\u7c7b\u578b\u9519\u8bef\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<hr \/>\n<h3>5. as\u7c7b\u578b\u65ad\u8a00\u95ee\u9898<\/h3>\n<p>\u7c7b\u578b\u65ad\u8a00&#xff08;Type Assertion&#xff09;\u662fTypeScript\u4e2d\u5e38\u7528\u7684\u7279\u6027&#xff0c;\u5141\u8bb8\u5f00\u53d1\u8005\u624b\u52a8\u6307\u5b9a\u503c\u7684\u7c7b\u578b\u3002\u4f46\u5728ArkTS\u4e2d&#xff0c;as\u7c7b\u578b\u65ad\u8a00\u7684\u4f7f\u7528\u53d7\u5230\u4e86\u4e25\u683c\u9650\u5236\u3002<\/p>\n<h4>5.1 \u9650\u5236\u5185\u5bb9<\/h4>\n<p>ArkTS\u7981\u6b62\u4ee5\u4e0b\u7c7b\u578b\u7684as\u65ad\u8a00&#xff1a;<\/p>\n<p>\u7981\u6b62as unknown as T\u7684\u53cc\u91cd\u65ad\u8a00&#xff1a;\u8fd9\u662fTypeScript\u4e2d\u5e38\u89c1\u7684&#034;\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362&#034;\u6a21\u5f0f&#xff0c;\u5728ArkTS\u4e2d\u88ab\u660e\u786e\u7981\u6b62\u3002<\/p>\n<p>\u7981\u6b62\u4e0d\u5408\u7406\u7684\u7c7b\u578b\u65ad\u8a00&#xff1a;\u5982\u679c\u65ad\u8a00\u7684\u76ee\u6807\u7c7b\u578b\u4e0e\u6e90\u7c7b\u578b\u6ca1\u6709\u5408\u7406\u7684\u8f6c\u6362\u5173\u7cfb&#xff0c;ArkTS\u4f1a\u62a5\u9519\u3002<\/p>\n<p>\u5141\u8bb8\u7684\u65ad\u8a00&#xff1a;\u5b50\u7c7b\u578b\u5230\u7236\u7c7b\u578b\u7684\u65ad\u8a00&#xff08;\u5411\u4e0a\u8f6c\u578b&#xff09;\u3001\u8054\u5408\u7c7b\u578b\u5230\u5176\u6210\u5458\u7c7b\u578b\u7684\u65ad\u8a00&#xff08;\u7c7b\u578b\u7f29\u7a84&#xff09;\u662f\u5141\u8bb8\u7684\u3002<\/p>\n<p><span class=\"token comment\">\/\/ \u7981\u6b62 &#8211; \u53cc\u91cd\u65ad\u8a00<\/span><br \/>\n<span class=\"token keyword\">const<\/span> value <span class=\"token operator\">&#061;<\/span> data <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">unknown<\/span> <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7981\u6b62 &#8211; \u4e0d\u5408\u7406\u7684\u65ad\u8a00<\/span><br \/>\n<span class=\"token keyword\">const<\/span> num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">42<\/span> <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5141\u8bb8 &#8211; \u5b50\u7c7b\u578b\u5230\u7236\u7c7b\u578b<\/span><br \/>\n<span class=\"token keyword\">const<\/span> derived<span class=\"token operator\">:<\/span> Derived <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Derived<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> base<span class=\"token operator\">:<\/span> Base <span class=\"token operator\">&#061;<\/span> derived <span class=\"token keyword\">as<\/span> Base<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5141\u8bb8 &#8211; \u8054\u5408\u7c7b\u578b\u7f29\u7a84<\/span><br \/>\n<span class=\"token keyword\">const<\/span> val<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">|<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> str <span class=\"token operator\">&#061;<\/span> val <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5728\u5df2\u7ecf\u901a\u8fc7\u7c7b\u578b\u5b88\u536b\u786e\u8ba4\u540e<\/span><\/p>\n<h4>5.2 \u66ff\u4ee3\u65b9\u6848<\/h4>\n<p>\u5f53\u4f60\u9700\u8981\u5bf9\u7c7b\u578b\u8fdb\u884c\u8f6c\u6362\u65f6&#xff0c;ArkTS\u63a8\u8350\u4f7f\u7528\u4ee5\u4e0b\u66ff\u4ee3\u65b9\u6848&#xff1a;<\/p>\n<p>\u4f7f\u7528\u7c7b\u578b\u5b88\u536b&#xff1a;\u7528instanceof\u6216typeof\u6765\u7f29\u7a84\u7c7b\u578b&#xff0c;\u800c\u4e0d\u662f\u7528as\u6765\u65ad\u8a00\u3002<\/p>\n<p>\u4f7f\u7528\u5de5\u5382\u51fd\u6570&#xff1a;\u521b\u5efa\u4e13\u95e8\u7684\u8f6c\u6362\u51fd\u6570&#xff0c;\u5728\u51fd\u6570\u5185\u90e8\u8fdb\u884c\u5b89\u5168\u7684\u7c7b\u578b\u8f6c\u6362\u3002<\/p>\n<p>\u4f7f\u7528\u63a5\u53e3\u7ee7\u627f&#xff1a;\u901a\u8fc7\u8bbe\u8ba1\u5408\u7406\u7684\u7c7b\u578b\u5c42\u6b21\u7ed3\u6784&#xff0c;\u8ba9\u7c7b\u578b\u8f6c\u6362\u81ea\u7136\u53d1\u751f\u800c\u4e0d\u662f\u5f3a\u5236\u8fdb\u884c\u3002<\/p>\n<p>\u5728NearPlay\u9879\u76ee\u4e2d&#xff0c;WebSocket\u6d88\u606f\u7684\u5904\u7406\u6700\u521d\u4f7f\u7528\u4e86\u5927\u91cfas\u65ad\u8a00\u6765\u5c06JSON.parse\u7684\u7ed3\u679c\u8f6c\u6362\u4e3a\u7279\u5b9a\u7684\u6d88\u606f\u7c7b\u578b\u3002\u91cd\u6784\u540e&#xff0c;\u6211\u4eec\u4e3a\u6bcf\u79cd\u6d88\u606f\u7c7b\u578b\u7f16\u5199\u4e86\u4e13\u95e8\u7684\u89e3\u6790\u548c\u9a8c\u8bc1\u51fd\u6570&#xff1a;<\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">parseGameMessage<\/span><span class=\"token punctuation\">(<\/span>raw<span class=\"token operator\">:<\/span> object<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> GameMessage <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;type&#039;<\/span> <span class=\"token keyword\">in<\/span> raw <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">&#039;payload&#039;<\/span> <span class=\"token keyword\">in<\/span> raw<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9010\u5b57\u6bb5\u9a8c\u8bc1\u548c\u8f6c\u6362<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      type<span class=\"token operator\">:<\/span> raw<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">type<\/span> <span class=\"token class-name\"><span class=\"token keyword\">as<\/span><\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u5141\u8bb8&#xff1a;object\u5230\u5df2\u77e5\u5b57\u6bb5\u7684\u5408\u7406\u63a8\u65ad<\/span><br \/>\n      payload<span class=\"token operator\">:<\/span> <span class=\"token function\">parsePayload<\/span><span class=\"token punctuation\">(<\/span>raw<span class=\"token punctuation\">.<\/span>payload<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;Invalid message format&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>6. \u7ed3\u6784\u7c7b\u578bvs\u663e\u5f0f\u7ee7\u627f<\/h3>\n<p>TypeScript\u4f7f\u7528\u7ed3\u6784\u7c7b\u578b\u7cfb\u7edf&#xff08;Structural Typing&#xff09;\u2014\u2014\u5982\u679c\u4e24\u4e2a\u7c7b\u578b\u5177\u6709\u76f8\u540c\u7684\u7ed3\u6784&#xff0c;\u5b83\u4eec\u5c31\u662f\u517c\u5bb9\u7684&#xff0c;\u65e0\u8bba\u5b83\u4eec\u7684\u540d\u79f0\u5982\u4f55\u3002\u800cArkTS\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\u8981\u6c42\u663e\u5f0f\u7684\u7ee7\u627f\u5173\u7cfb&#xff08;Nominal Typing&#xff09;&#xff0c;\u8fd9\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u8303\u5f0f\u8f6c\u53d8\u3002<\/p>\n<h4>6.1 \u5177\u4f53\u8868\u73b0<\/h4>\n<p>\u5728TypeScript\u4e2d&#xff0c;\u4ee5\u4e0b\u4ee3\u7801\u5b8c\u5168\u5408\u6cd5&#xff1a;<\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">Printable<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Document<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;doc&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> p<span class=\"token operator\">:<\/span> Printable <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Document<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ TS: \u5408\u6cd5&#xff08;\u7ed3\u6784\u517c\u5bb9&#xff09;<\/span><\/p>\n<p>\u4f46\u5728ArkTS\u4e2d&#xff0c;\u8fd9\u79cd&#034;\u9e2d\u5b50\u7c7b\u578b&#034;\u5f0f\u7684\u517c\u5bb9\u6027\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4e0d\u88ab\u8ba4\u53ef\u3002ArkTS\u8981\u6c42\u7c7b\u901a\u8fc7extends\u6216implements\u6765\u663e\u5f0f\u58f0\u660e\u5b83\u5b9e\u73b0\u4e86\u67d0\u4e2a\u63a5\u53e3\u3002<\/p>\n<h4>6.2 \u5b9e\u8df5\u5efa\u8bae<\/h4>\n<p>\u59cb\u7ec8\u4f7f\u7528implements\u58f0\u660e\u63a5\u53e3\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">Printable<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Document<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Printable<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token builtin\">console<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;doc&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> p<span class=\"token operator\">:<\/span> Printable <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Document<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ ArkTS: \u5408\u6cd5<\/span><\/p>\n<p>\u5728\u5b9a\u4e49\u6570\u636e\u6a21\u578b\u65f6&#xff0c;\u4f7f\u7528class\u800c\u975einterface&#xff1a;<\/p>\n<p>\u5f53\u6570\u636e\u9700\u8981\u5728\u4e0d\u540c\u7ec4\u4ef6\u95f4\u4f20\u9012\u65f6&#xff0c;\u4f7f\u7528class\u5b9a\u4e49\u53ef\u4ee5\u8ba9\u7c7b\u578b\u7cfb\u7edf\u66f4\u597d\u5730\u8ffd\u8e2a\u7ee7\u627f\u5173\u7cfb\u3002\u5728NearPlay\u9879\u76ee\u4e2d&#xff0c;\u6211\u4eec\u5c06\u6240\u6709\u8de8\u7ec4\u4ef6\u4f20\u9012\u7684\u6570\u636e\u6a21\u578b\u4eceinterface\u6539\u4e3a\u4e86class&#xff0c;\u5e76\u5728\u9700\u8981\u591a\u6001\u7684\u573a\u666f\u4e2d\u4f7f\u7528implements\u548cextends\u3002<\/p>\n<p>\u8fd9\u79cd\u8bbe\u8ba1\u867d\u7136\u5728\u4ee3\u7801\u91cf\u4e0a\u7565\u6709\u589e\u52a0&#xff0c;\u4f46\u63d0\u9ad8\u4e86\u7c7b\u578b\u7684\u53ef\u9760\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u663e\u5f0f\u7ee7\u627f\u8ba9\u4ee3\u7801\u7684\u610f\u56fe\u66f4\u52a0\u6e05\u6670&#xff0c;\u4e5f\u51cf\u5c11\u4e86\u56e0\u7ed3\u6784\u5de7\u5408\u800c\u5bfc\u81f4\u7684\u9690\u5f0f\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/p>\n<hr \/>\n<h3>7. \u52a8\u6001\u5c5e\u6027\u8bbf\u95ee\u7981\u6b62<\/h3>\n<p>ArkTS\u7981\u6b62\u4f7f\u7528\u65b9\u62ec\u53f7\u8bed\u6cd5\u8fdb\u884c\u52a8\u6001\u5c5e\u6027\u8bbf\u95ee&#xff08;\u5373obj[variableKey]\u7684\u5f62\u5f0f&#xff09;&#xff0c;\u9664\u975e\u5728\u975e\u5e38\u6709\u9650\u7684\u573a\u666f\u4e0b\u3002<\/p>\n<h4>7.1 \u7981\u6b62\u7684\u5177\u4f53\u8868\u73b0<\/h4>\n<p><span class=\"token comment\">\/\/ \u7981\u6b62<\/span><br \/>\n<span class=\"token keyword\">const<\/span> key <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;name&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> value <span class=\"token operator\">&#061;<\/span> user<span class=\"token punctuation\">[<\/span>key<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5141\u8bb8 &#8211; \u5b57\u9762\u91cf\u952e<\/span><br \/>\n<span class=\"token keyword\">const<\/span> value <span class=\"token operator\">&#061;<\/span> user<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;name&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5141\u8bb8 &#8211; \u6570\u7ec4\u7d22\u5f15<\/span><br \/>\n<span class=\"token keyword\">const<\/span> item <span class=\"token operator\">&#061;<\/span> arr<span class=\"token punctuation\">[<\/span>index<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5141\u8bb8 &#8211; Map\u7684get\u65b9\u6cd5<\/span><br \/>\n<span class=\"token keyword\">const<\/span> value <span class=\"token operator\">&#061;<\/span> map<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>7.2 \u66ff\u4ee3\u65b9\u6848<\/h4>\n<p>\u4f7f\u7528Map&#xff1a;\u5bf9\u4e8e\u952e\u4e0d\u56fa\u5b9a\u7684\u952e\u503c\u5bf9\u5b58\u50a8&#xff0c;\u4f7f\u7528Map\u66ff\u4ee3\u666e\u901a\u5bf9\u8c61\u3002<\/p>\n<p>\u4f7f\u7528switch\/if-else&#xff1a;\u5bf9\u4e8e\u952e\u6570\u91cf\u6709\u9650\u7684\u573a\u666f&#xff0c;\u4f7f\u7528\u663e\u5f0f\u7684\u6761\u4ef6\u5224\u65ad&#xff1a;<\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">getProperty<\/span><span class=\"token punctuation\">(<\/span>obj<span class=\"token operator\">:<\/span> UserInfo<span class=\"token punctuation\">,<\/span> key<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> <span class=\"token string\">&#039;name&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> obj<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> <span class=\"token string\">&#039;email&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> obj<span class=\"token punctuation\">.<\/span>email<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f7f\u7528Record&lt;string, T&gt;&#xff1a;\u5f53\u952e\u662f\u5b57\u7b26\u4e32\u4e14\u503c\u7c7b\u578b\u7edf\u4e00\u65f6&#xff0c;Record&lt;string, T&gt;\u5141\u8bb8\u65b9\u62ec\u53f7\u8bbf\u95ee&#xff1a;<\/p>\n<p><span class=\"token keyword\">const<\/span> scores<span class=\"token operator\">:<\/span> Record<span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">number<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\nscores<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;alice&#039;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> score <span class=\"token operator\">&#061;<\/span> scores<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;alice&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5141\u8bb8<\/span><\/p>\n<p>\u5728NearPlay\u9879\u76ee\u4e2d&#xff0c;\u52a8\u6001\u5c5e\u6027\u8bbf\u95ee\u4e3b\u8981\u51fa\u73b0\u5728\u6e38\u620f\u914d\u7f6e\u548c\u73a9\u5bb6\u6570\u636e\u7684\u5904\u7406\u4e2d\u3002\u6211\u4eec\u5c06\u5927\u90e8\u5206\u52a8\u6001\u8bbf\u95ee\u91cd\u6784\u4e3aMap\u64cd\u4f5c\u6216Record\u8bbf\u95ee&#xff0c;\u5bf9\u4e8e\u786e\u5b9e\u9700\u8981\u52a8\u6001\u5c5e\u6027\u7684\u573a\u666f&#xff08;\u5982\u6839\u636e\u6e38\u620f\u7c7b\u578b\u9009\u62e9\u4e0d\u540c\u7684\u5904\u7406\u51fd\u6570&#xff09;&#xff0c;\u4f7f\u7528\u4e86Map&lt;string, Function&gt;\u6765\u66ff\u4ee3\u3002<\/p>\n<hr \/>\n<h3>8. \u5bf9\u8c61\u5b57\u9762\u91cf\u5fc5\u987b\u663e\u5f0f\u7c7b\u578b\u4e0a\u4e0b\u6587<\/h3>\n<p>ArkTS\u8981\u6c42\u5bf9\u8c61\u5b57\u9762\u91cf\u5fc5\u987b\u5728\u663e\u5f0f\u7c7b\u578b\u4e0a\u4e0b\u6587\u4e2d\u4f7f\u7528&#xff0c;\u4e0d\u80fd\u4f5c\u4e3a\u72ec\u7acb\u8868\u8fbe\u5f0f\u51fa\u73b0\u3002\u8fd9\u4e2a\u89c4\u5219\u770b\u4f3c\u7b80\u5355&#xff0c;\u4f46\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u5f71\u54cd\u6df1\u8fdc\u3002<\/p>\n<h4>8.1 \u9650\u5236\u5185\u5bb9<\/h4>\n<p><span class=\"token comment\">\/\/ \u7981\u6b62 &#8211; \u65e0\u7c7b\u578b\u4e0a\u4e0b\u6587\u7684\u5bf9\u8c61\u5b57\u9762\u91cf<\/span><br \/>\n<span class=\"token keyword\">const<\/span> obj <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> name<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;test&#039;<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token operator\">:<\/span> <span class=\"token number\">42<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5141\u8bb8 &#8211; \u6709\u663e\u5f0f\u7c7b\u578b\u6807\u6ce8<\/span><br \/>\n<span class=\"token keyword\">const<\/span> obj<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> name<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span> value<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> name<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;test&#039;<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token operator\">:<\/span> <span class=\"token number\">42<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5141\u8bb8 &#8211; \u901a\u8fc7\u63a5\u53e3\u63d0\u4f9b\u7c7b\u578b\u4e0a\u4e0b\u6587<\/span><br \/>\n<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">Config<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  name<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  value<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">const<\/span> obj<span class=\"token operator\">:<\/span> Config <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> name<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;test&#039;<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token operator\">:<\/span> <span class=\"token number\">42<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5141\u8bb8 &#8211; \u51fd\u6570\u53c2\u6570\u63d0\u4f9b\u7c7b\u578b\u4e0a\u4e0b\u6587<\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">setConfig<\/span><span class=\"token punctuation\">(<\/span>config<span class=\"token operator\">:<\/span> Config<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token function\">setConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> name<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;test&#039;<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token operator\">:<\/span> <span class=\"token number\">42<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u53c2\u6570\u7c7b\u578b\u63d0\u4f9b\u4e86\u4e0a\u4e0b\u6587<\/span><\/p>\n<h4>8.2 \u5bf9\u5f00\u53d1\u7684\u5f71\u54cd<\/h4>\n<p>\u8fd9\u4e2a\u9650\u5236\u610f\u5473\u7740\u4f60\u4e0d\u80fd\u50cf\u5728JavaScript\u4e2d\u90a3\u6837\u968f\u610f\u521b\u5efa\u5bf9\u8c61\u5b57\u9762\u91cf\u3002\u6bcf\u4e2a\u5bf9\u8c61\u5b57\u9762\u91cf\u90fd\u9700\u8981\u4e00\u4e2a&#034;\u6765\u81ea\u5916\u90e8&#034;\u7684\u7c7b\u578b\u5b9a\u4e49\u6765\u4e3a\u5b83\u63d0\u4f9b\u4e0a\u4e0b\u6587\u3002\u8fd9\u5728\u4ee5\u4e0b\u573a\u666f\u4e2d\u7279\u522b\u5f71\u54cd\u5f00\u53d1\u4f53\u9a8c&#xff1a;<\/p>\n<p>\u51fd\u6570\u8fd4\u56de\u503c&#xff1a;\u5982\u679c\u4f60\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\u5b57\u9762\u91cf&#xff0c;\u5fc5\u987b\u6807\u6ce8\u8fd4\u56de\u7c7b\u578b\u3002<\/p>\n<p>\u6761\u4ef6\u8868\u8fbe\u5f0f&#xff1a;\u5728\u4e09\u5143\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u5bf9\u8c61\u5b57\u9762\u91cf\u65f6&#xff0c;\u4e24\u8fb9\u90fd\u9700\u8981\u7b26\u5408\u5df2\u77e5\u7684\u7c7b\u578b\u3002<\/p>\n<p>\u6570\u7ec4\u5143\u7d20&#xff1a;\u5305\u542b\u5bf9\u8c61\u5b57\u9762\u91cf\u7684\u6570\u7ec4\u5fc5\u987b\u6709\u663e\u5f0f\u7684\u5143\u7d20\u7c7b\u578b\u3002<\/p>\n<h4>8.3 \u6700\u4f73\u5b9e\u8df5<\/h4>\n<p>\u9884\u5148\u5b9a\u4e49\u6240\u6709\u63a5\u53e3\u548c\u7c7b\u578b&#xff1a;\u5728\u7f16\u5199\u4e1a\u52a1\u4ee3\u7801\u4e4b\u524d&#xff0c;\u5148\u5b9a\u4e49\u597d\u6240\u6709\u9700\u8981\u7684\u6570\u636e\u7c7b\u578b\u3002\u8fd9\u4e0d\u4ec5\u662fArkTS\u7684\u8981\u6c42&#xff0c;\u4e5f\u662f\u826f\u597d\u7684\u5de5\u7a0b\u5b9e\u8df5\u3002<\/p>\n<p>\u4f7f\u7528class\u800c\u975einterface\u6765\u5b9a\u4e49\u590d\u6742\u5bf9\u8c61&#xff1a;class\u63d0\u4f9b\u4e86\u6784\u9020\u51fd\u6570&#xff0c;\u53ef\u4ee5\u786e\u4fdd\u5bf9\u8c61\u5728\u521b\u5efa\u65f6\u5c31\u662f\u5b8c\u6574\u7684&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GameConfig<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  name<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  maxPlayers<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  roundTime<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">60<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">constructor<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> maxPlayers<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> roundTime<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>name <span class=\"token operator\">&#061;<\/span> name<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>maxPlayers <span class=\"token operator\">&#061;<\/span> maxPlayers<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>roundTime <span class=\"token operator\">&#061;<\/span> roundTime<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> config <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">GameConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u72fc\u4eba\u6740&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5229\u7528\u51fd\u6570\u53c2\u6570\u7684\u7c7b\u578b\u63a8\u65ad&#xff1a;\u5f53\u5bf9\u8c61\u5b57\u9762\u91cf\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\u4f20\u9012\u65f6&#xff0c;\u53c2\u6570\u7c7b\u578b\u63d0\u4f9b\u4e86\u8db3\u591f\u7684\u4e0a\u4e0b\u6587&#xff0c;\u4e0d\u9700\u8981\u989d\u5916\u7684\u6807\u6ce8\u3002<\/p>\n<p>\u5728NearPlay\u9879\u76ee\u4e2d&#xff0c;\u6211\u4eec\u5efa\u7acb\u4e86\u7edf\u4e00\u7684\u7c7b\u578b\u5b9a\u4e49\u6587\u4ef6&#xff0c;\u6240\u6709\u8de8\u6a21\u5757\u4f7f\u7528\u7684\u6570\u636e\u7c7b\u578b\u90fd\u96c6\u4e2d\u5728\u8fd9\u4e9b\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u8fd9\u786e\u4fdd\u4e86\u5bf9\u8c61\u5b57\u9762\u91cf\u59cb\u7ec8\u6709\u660e\u786e\u7684\u7c7b\u578b\u4e0a\u4e0b\u6587&#xff0c;\u4e5f\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<hr \/>\n<h3>9. Sendable\u7ea6\u675f<\/h3>\n<p>Sendable\u662fArkTS\u4e2d\u7528\u4e8e\u8de8\u5e76\u53d1\u7ebf\u7a0b&#xff08;TaskPool\u3001Worker\u7b49&#xff09;\u4f20\u9012\u6570\u636e\u7684\u7c7b\u578b\u6807\u8bb0\u3002\u88ab\u6807\u8bb0\u4e3a&#064;Sendable\u7684class\u5177\u6709\u7279\u6b8a\u7684\u7ea6\u675f\u3002<\/p>\n<h4>9.1 Sendable\u7684\u4e3b\u8981\u7ea6\u675f<\/h4>\n<p>\u5c5e\u6027\u7c7b\u578b\u9650\u5236&#xff1a;Sendable\u7c7b\u7684\u6240\u6709\u5c5e\u6027\u5fc5\u987b\u662fSendable\u7c7b\u578b\u6216\u57fa\u672c\u7c7b\u578b&#xff08;number\u3001string\u3001boolean\u7b49&#xff09;\u3002<\/p>\n<p>\u65b9\u6cd5\u9650\u5236&#xff1a;Sendable\u7c7b\u4e0d\u80fd\u4f7f\u7528\u95ed\u5305\u6355\u83b7\u5916\u90e8\u53d8\u91cf\u3002<\/p>\n<p>\u7ee7\u627f\u9650\u5236&#xff1a;Sendable\u7c7b\u53ea\u80fd\u7ee7\u627f\u81ea\u5176\u4ed6Sendable\u7c7b\u3002<\/p>\n<p>\u4e0d\u80fd\u4f7f\u7528ArkUI\u88c5\u9970\u5668&#xff1a;&#064;State\u3001&#064;Prop\u7b49ArkUI\u72b6\u6001\u88c5\u9970\u5668\u4e0d\u80fd\u7528\u5728Sendable\u7c7b\u4e2d\u3002<\/p>\n<h4>9.2 \u4f7f\u7528\u573a\u666f<\/h4>\n<p>\u5728NearPlay\u9879\u76ee\u4e2d&#xff0c;Sendable\u7c7b\u578b\u7684\u4f7f\u7528\u573a\u666f\u6709\u9650&#xff0c;\u56e0\u4e3a\u4e3b\u8981\u7684\u8ba1\u7b97\u903b\u8f91\u90fd\u5728UI\u7ebf\u7a0b\u4e2d\u6267\u884c\u3002\u4f46\u5728\u672a\u6765\u7684\u6027\u80fd\u4f18\u5316\u4e2d&#xff0c;\u5982\u679c\u9700\u8981\u5c06\u67d0\u4e9b\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1&#xff08;\u5982AI\u88c1\u5224\u903b\u8f91\u3001\u5927\u91cf\u6570\u636e\u7684\u6392\u5e8f\u8fc7\u6ee4&#xff09;\u79fb\u5230Worker\u7ebf\u7a0b&#xff0c;\u5c31\u9700\u8981\u5c06\u76f8\u5173\u6570\u636e\u7ed3\u6784\u8bbe\u8ba1\u4e3aSendable\u3002<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Sendable<\/span><\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GameDecision<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  type<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  targetPlayer<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  confidence<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">constructor<\/span><span class=\"token punctuation\">(<\/span>type<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> targetPlayer<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> confidence<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>type <span class=\"token operator\">&#061;<\/span> type<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>targetPlayer <span class=\"token operator\">&#061;<\/span> targetPlayer<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>confidence <span class=\"token operator\">&#061;<\/span> confidence<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>9.3 \u6ce8\u610f\u4e8b\u9879<\/h4>\n<p>\u5982\u679c\u4f60\u4e0d\u6d89\u53ca\u8de8\u7ebf\u7a0b\u4f20\u9012\u6570\u636e&#xff0c;\u4e0d\u9700\u8981\u4f7f\u7528Sendable\u3002\u4f46\u4e86\u89e3Sendable\u7684\u7ea6\u675f\u6709\u52a9\u4e8e\u4f60\u8bbe\u8ba1\u66f4\u5bb9\u6613\u8fc1\u79fb\u5230\u5e76\u53d1\u67b6\u6784\u7684\u6570\u636e\u7ed3\u6784\u3002\u4e00\u4e2a\u901a\u7528\u7684\u5efa\u8bae\u662f&#xff1a;\u5c3d\u91cf\u4f7f\u7528\u57fa\u672c\u7c7b\u578b\u548c\u7b80\u5355\u805a\u5408\u7c7b\u578b\u6765\u7ec4\u7ec7\u6570\u636e&#xff0c;\u907f\u514d\u6df1\u5c42\u5d4c\u5957\u548c\u590d\u6742\u7684\u7ee7\u627f\u5173\u7cfb\u3002<\/p>\n<hr \/>\n<h3>10. arkts-no-*\u89c4\u5219\u5217\u8868\u901f\u67e5\u8868<\/h3>\n<p>ArkTS\u7f16\u8bd1\u5668\u4f7f\u7528arkts-no-*\u524d\u7f00\u7684\u89c4\u5219\u6765\u6807\u8bc6\u5404\u79cd\u8bed\u6cd5\u9650\u5236\u3002\u4ee5\u4e0b\u662fNearPlay\u9879\u76ee\u4e2d\u9047\u5230\u8fc7\u7684\u6240\u6709\u89c4\u5219\u7684\u901f\u67e5\u8868&#xff1a;<\/p>\n<table>\n<tr>\u89c4\u5219ID\u8bf4\u660e\u66ff\u4ee3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>arkts-no-standalone-this<\/td>\n<td>\u7981\u6b62\u5728&#064;Component\u5916\u4f7f\u7528this<\/td>\n<td>\u4f7f\u7528\u666e\u901aclass\u6216\u6a21\u5757\u7ea7\u51fd\u6570<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-any-unknown<\/td>\n<td>\u7981\u6b62any\u548cunknown\u7c7b\u578b<\/td>\n<td>\u4f7f\u7528\u7cbe\u786e\u7c7b\u578b\u6216\u8054\u5408\u7c7b\u578b<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-obj-literals-as-types<\/td>\n<td>\u5bf9\u8c61\u5b57\u9762\u91cf\u4e0d\u80fd\u4f5c\u4e3a\u7c7b\u578b\u4f7f\u7528<\/td>\n<td>\u4f7f\u7528interface\u6216class\u5b9a\u4e49\u7c7b\u578b<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-property-na-eof-null<\/td>\n<td>\u7981\u6b62\u5bf9\u53ef\u80fd\u4e3anull\u7684\u503c\u8bbf\u95ee\u5c5e\u6027<\/td>\n<td>\u4f7f\u7528\u53ef\u9009\u94fe?.\u6216null\u68c0\u67e5<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-untyped-obj-literals<\/td>\n<td>\u7981\u6b62\u65e0\u7c7b\u578b\u4e0a\u4e0b\u6587\u7684\u5bf9\u8c61\u5b57\u9762\u91cf<\/td>\n<td>\u63d0\u4f9b\u663e\u5f0f\u7c7b\u578b\u6807\u6ce8<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-as-const<\/td>\n<td>\u7981\u6b62as const\u65ad\u8a00<\/td>\n<td>\u4f7f\u7528\u663e\u5f0f\u7c7b\u578b\u6216\u679a\u4e3e<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-enum-erased-semantic<\/td>\n<td>\u679a\u4e3e\u8fd0\u884c\u65f6\u8bed\u4e49\u9650\u5236<\/td>\n<td>\u4f7f\u7528\u6570\u5b57\u5e38\u91cf\u6216\u5b57\u7b26\u4e32\u679a\u4e3e<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-strict-boolean-expressions<\/td>\n<td>\u5e03\u5c14\u8868\u8fbe\u5f0f\u7684\u4e25\u683c\u68c0\u67e5<\/td>\n<td>\u4f7f\u7528\u663e\u5f0f\u7684&#061;&#061;&#061;\u6bd4\u8f83<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-arguments-object<\/td>\n<td>\u7981\u6b62arguments\u5bf9\u8c61<\/td>\n<td>\u4f7f\u7528rest\u53c2\u6570<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-for-in<\/td>\n<td>\u7981\u6b62for\u2026in\u5faa\u73af<\/td>\n<td>\u4f7f\u7528Map.forEach\u6216for\u2026of<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-object-keys<\/td>\n<td>\u7981\u6b62Object.keys()<\/td>\n<td>\u4f7f\u7528Map\u6216\u7ef4\u62a4\u952e\u6570\u7ec4<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-delete<\/td>\n<td>\u7981\u6b62delete\u64cd\u4f5c\u7b26<\/td>\n<td>\u91cd\u65b0\u6784\u9020\u5bf9\u8c61<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-in-operator<\/td>\n<td>\u7981\u6b62in\u64cd\u4f5c\u7b26&#xff08;\u5c5e\u6027\u68c0\u67e5&#xff09;<\/td>\n<td>\u4f7f\u7528\u7c7b\u578b\u5b88\u536b\u6216hasOwnProperty<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-dynamic-access<\/td>\n<td>\u7981\u6b62\u52a8\u6001\u5c5e\u6027\u8bbf\u95ee<\/td>\n<td>\u4f7f\u7528Map\u6216switch<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-ctor-decl-in-if-else-etc<\/td>\n<td>\u7981\u6b62\u5728\u8bed\u53e5\u5757\u5185\u58f0\u660e\u7c7b<\/td>\n<td>\u5728\u9876\u5c42\u58f0\u660e\u7c7b<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-func-expr-in-block<\/td>\n<td>\u7981\u6b62\u5728\u8bed\u53e5\u5757\u5185\u58f0\u660e\u51fd\u6570<\/td>\n<td>\u5728\u9876\u5c42\u58f0\u660e\u51fd\u6570<\/td>\n<\/tr>\n<tr>\n<td>arkts-no-const-let-in-builder<\/td>\n<td>\u7981\u6b62\u5728&#064;Builder\/build()\u4e2d\u4f7f\u7528const\/let<\/td>\n<td>\u63d0\u53d6\u4e3a\u65b9\u6cd5\u6216\u5728aboutToAppear\u4e2d\u8ba1\u7b97<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6bcf\u6761\u89c4\u5219\u90fd\u5bf9\u5e94\u7740\u4e00\u4e2a\u7279\u5b9a\u7684ArkTS\u8bbe\u8ba1\u51b3\u7b56\u3002\u9047\u5230\u7f16\u8bd1\u9519\u8bef\u65f6&#xff0c;\u9996\u5148\u67e5\u770b\u9519\u8bef\u4fe1\u606f\u4e2d\u7684\u89c4\u5219ID&#xff0c;\u7136\u540e\u5728\u4e0a\u8868\u4e2d\u67e5\u627e\u5bf9\u5e94\u7684\u66ff\u4ee3\u65b9\u6848\u3002<\/p>\n<hr \/>\n<h3>11. \u7f16\u8bd1\u9519\u8bef\u6392\u67e5\u65b9\u6cd5\u8bba<\/h3>\n<p>\u5728ArkTS\u5f00\u53d1\u4e2d&#xff0c;\u7f16\u8bd1\u9519\u8bef\u7684\u6392\u67e5\u9700\u8981\u4e00\u5957\u7cfb\u7edf\u5316\u7684\u65b9\u6cd5\u8bba\u3002\u76f2\u76ee\u5c1d\u8bd5\u4fee\u6539\u5f80\u5f80\u6d6a\u8d39\u65f6\u95f4\u4e14\u53ef\u80fd\u5f15\u5165\u65b0\u7684\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u6211\u4eec\u5728NearPlay\u9879\u76ee\u4e2d\u603b\u7ed3\u7684\u6392\u67e5\u6d41\u7a0b\u3002<\/p>\n<h4>11.1 \u7b2c\u4e00\u6b65&#xff1a;\u4f7f\u7528arkts_check\u8fdb\u884c\u5feb\u901f\u68c0\u67e5<\/h4>\n<p>arkts_check\u5de5\u5177\u53ef\u4ee5\u5728\u4e0d\u89e6\u53d1\u5b8c\u6574\u6784\u5efa\u7684\u60c5\u51b5\u4e0b\u5feb\u901f\u68c0\u6d4bArkTS\u8bed\u6cd5\u548c\u7c7b\u578b\u9519\u8bef\u3002\u5b83\u7684\u901f\u5ea6\u8fdc\u5feb\u4e8ebuild_project&#xff0c;\u9002\u5408\u5728\u7f16\u5199\u4ee3\u7801\u7684\u8fc7\u7a0b\u4e2d\u9891\u7e41\u4f7f\u7528\u3002<\/p>\n<p>\u6392\u67e5\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u4fee\u6539.ets\u6587\u4ef6\u540e&#xff0c;\u7acb\u5373\u8fd0\u884carkts_check\u68c0\u67e5\u76ee\u6807\u6587\u4ef6<\/li>\n<li>\u6839\u636e\u8fd4\u56de\u7684\u8bca\u65ad\u4fe1\u606f\u5b9a\u4f4d\u9519\u8bef\u884c\u548c\u5217<\/li>\n<li>\u67e5\u770b\u9519\u8bef\u5bf9\u5e94\u7684arkts-no-*\u89c4\u5219ID<\/li>\n<li>\u5728\u4e0a\u8282\u7684\u901f\u67e5\u8868\u4e2d\u67e5\u627e\u66ff\u4ee3\u65b9\u6848<\/li>\n<li>\u4fee\u6539\u4ee3\u7801\u540e\u91cd\u65b0\u68c0\u67e5<\/li>\n<h4>11.2 \u7b2c\u4e8c\u6b65&#xff1a;\u52a0\u8f7darkts-error-fixes\u6280\u80fd<\/h4>\n<p>\u5f53arkts_check\u7684\u8bca\u65ad\u4fe1\u606f\u4e0d\u591f\u76f4\u89c2\u65f6&#xff0c;\u53ef\u4ee5\u52a0\u8f7darkts-error-fixes\u6280\u80fd\u3002\u8fd9\u4e2a\u6280\u80fd\u5305\u542b\u4e86\u5e38\u89c1ArkTS\u7f16\u8bd1\u9519\u8bef\u7684\u8be6\u7ec6\u89e3\u51b3\u65b9\u6848\u548c\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u5178\u578b\u7684\u4f7f\u7528\u573a\u666f&#xff1a;<\/p>\n<ul>\n<li>\u9519\u8bef\u4fe1\u606f\u4e2d\u63d0\u5230\u7684\u6982\u5ff5\u4f60\u4e0d\u719f\u6089<\/li>\n<li>\u901f\u67e5\u8868\u4e2d\u7684\u66ff\u4ee3\u65b9\u6848\u4e0d\u591f\u5177\u4f53<\/li>\n<li>\u540c\u4e00\u4e2a\u9519\u8bef\u53cd\u590d\u51fa\u73b0&#xff0c;\u9700\u8981\u66f4\u6df1\u5165\u7684\u7406\u89e3<\/li>\n<\/ul>\n<h4>11.3 \u7b2c\u4e09\u6b65&#xff1a;\u5b8c\u6574\u6784\u5efa\u9a8c\u8bc1<\/h4>\n<p>\u5f53arkts_check\u4e0d\u518d\u62a5\u9519\u540e&#xff0c;\u8fd0\u884cbuild_project\u8fdb\u884c\u5b8c\u6574\u6784\u5efa\u3002arkts_check\u53ea\u80fd\u68c0\u6d4b\u8bed\u6cd5\u548c\u7c7b\u578b\u5c42\u9762\u7684\u9519\u8bef&#xff0c;\u5b8c\u6574\u7684\u6784\u5efa\u8fd8\u4f1a\u68c0\u67e5\u8d44\u6e90\u5f15\u7528\u3001\u4f9d\u8d56\u5173\u7cfb\u3001\u914d\u7f6e\u6b63\u786e\u6027\u7b49\u65b9\u9762\u3002<\/p>\n<p>\u5982\u679c\u6784\u5efa\u5931\u8d25&#xff1a;<\/p>\n<li>\u67e5\u770b\u6784\u5efa\u65e5\u5fd7&#xff0c;\u5b9a\u4f4d\u5177\u4f53\u7684\u9519\u8bef\u4fe1\u606f<\/li>\n<li>\u533a\u5206\u662fArkTS\u7f16\u8bd1\u9519\u8bef\u8fd8\u662f\u5176\u4ed6\u7c7b\u578b\u7684\u9519\u8bef&#xff08;\u8d44\u6e90\u7f3a\u5931\u3001\u914d\u7f6e\u9519\u8bef\u7b49&#xff09;<\/li>\n<li>\u5982\u679c\u662fArkTS\u7f16\u8bd1\u9519\u8bef&#xff0c;\u56de\u5230\u7b2c\u4e00\u6b65<\/li>\n<li>\u5982\u679c\u662f\u5176\u4ed6\u9519\u8bef&#xff0c;\u6839\u636e\u9519\u8bef\u7c7b\u578b\u91c7\u53d6\u76f8\u5e94\u63aa\u65bd<\/li>\n<h4>11.4 \u7b2c\u56db\u6b65&#xff1a;\u589e\u91cf\u4fee\u590d\u7b56\u7565<\/h4>\n<p>\u5f53\u9762\u5bf9\u5927\u91cf\u7f16\u8bd1\u9519\u8bef\u65f6&#xff08;\u4f8b\u5982\u4eceTypeScript\u8fc1\u79fb\u5230ArkTS\u7684\u521d\u671f&#xff09;&#xff0c;\u4e0d\u8981\u8bd5\u56fe\u4e00\u6b21\u6027\u4fee\u590d\u6240\u6709\u9519\u8bef\u3002\u63a8\u8350\u7b56\u7565&#xff1a;<\/p>\n<li>\u5148\u4fee\u590d\u540c\u4e00\u7c7b\u578b\u7684\u6240\u6709\u9519\u8bef&#xff08;\u4f8b\u5982\u5148\u5904\u7406\u6240\u6709arkts-no-any-unknown\u9519\u8bef&#xff09;<\/li>\n<li>\u6bcf\u4fee\u590d\u4e00\u7c7b\u9519\u8bef\u540e\u8fd0\u884c\u4e00\u6b21arkts_check&#xff0c;\u786e\u8ba4\u4fee\u590d\u6709\u6548\u4e14\u6ca1\u6709\u5f15\u5165\u65b0\u9519\u8bef<\/li>\n<li>\u4ece\u6700\u57fa\u7840\u7684\u9519\u8bef\u5f00\u59cb\u4fee\u590d&#xff08;\u7c7b\u578b\u58f0\u660e\u2192\u8bed\u6cd5\u9650\u5236\u2192API\u8c03\u7528&#xff09;&#xff0c;\u56e0\u4e3a\u57fa\u7840\u9519\u8bef\u53ef\u80fd\u5f15\u53d1\u8fde\u9501\u53cd\u5e94<\/li>\n<h4>11.5 \u5e38\u89c1\u9677\u9631<\/h4>\n<p>\u7f16\u8bd1\u901a\u8fc7\u4f46\u8fd0\u884c\u65f6\u5d29\u6e83&#xff1a;\u5982\u524d\u9762\u63d0\u5230\u7684&#064;Component\u4e0d\u80fdnew\u7684\u95ee\u9898\u3002ArkTS\u7f16\u8bd1\u5668\u4e0d\u4f1a\u68c0\u67e5\u6240\u6709\u8fd0\u884c\u65f6\u7ea6\u675f&#xff0c;\u56e0\u6b64\u7f16\u8bd1\u901a\u8fc7\u4e0d\u7b49\u4e8e\u8fd0\u884c\u6b63\u786e\u3002\u6bcf\u4e2a\u65b0\u529f\u80fd\u90fd\u9700\u8981\u5728\u6a21\u62df\u5668\u6216\u771f\u673a\u4e0a\u8fdb\u884c\u8fd0\u884c\u65f6\u6d4b\u8bd5\u3002<\/p>\n<p>\u7c7b\u578b\u63a8\u65ad\u7684\u9677\u9631&#xff1a;ArkTS\u7684\u7c7b\u578b\u63a8\u65ad\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\u53ef\u80fd\u4e0d\u5982\u9884\u671f\u3002\u4f8b\u5982&#xff0c;\u7a7a\u6570\u7ec4\u7684\u7c7b\u578b\u4f1a\u88ab\u63a8\u65ad\u4e3anever[]\u800c\u4e0d\u662f\u4f60\u671f\u671b\u7684\u7c7b\u578b\u3002\u663e\u5f0f\u6807\u6ce8\u7c7b\u578b\u53ef\u4ee5\u907f\u514d\u8fd9\u7c7b\u95ee\u9898\u3002<\/p>\n<p>import\u8def\u5f84\u95ee\u9898&#xff1a;ArkTS\u5bf9\u6a21\u5757\u5bfc\u5165\u8def\u5f84\u6709\u7279\u5b9a\u8981\u6c42&#xff0c;\u6587\u4ef6\u6269\u5c55\u540d\u7684\u5904\u7406\u53ef\u80fd\u4e0eTypeScript\u4e0d\u540c\u3002\u786e\u4fdd\u5bfc\u5165\u8def\u5f84\u6b63\u786e\u4e14\u6a21\u5757\u786e\u5b9e\u5bfc\u51fa\u4e86\u4f60\u9700\u8981\u7684\u7b26\u53f7\u3002<\/p>\n<hr \/>\n<p>\u603b\u7ed3&#xff1a;ArkTS\u7684\u4e25\u683c\u9650\u5236\u867d\u7136\u589e\u52a0\u4e86\u5f00\u53d1\u7684\u5b66\u4e60\u66f2\u7ebf&#xff0c;\u4f46\u8fd9\u4e9b\u9650\u5236\u80cc\u540e\u7684\u8bbe\u8ba1\u76ee\u6807\u662f\u503c\u5f97\u7406\u89e3\u7684\u2014\u2014\u6027\u80fd\u3001\u5b89\u5168\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u638c\u63e1\u4e86\u8fd9\u4e9b\u8e29\u5751\u7ecf\u9a8c\u548c\u6392\u67e5\u65b9\u6cd5\u8bba\u540e&#xff0c;ArkTS\u5f00\u53d1\u4f1a\u53d8\u5f97\u8d8a\u6765\u8d8a\u987a\u7545\u3002\u8bb0\u4f4f&#xff1a;\u9047\u5230\u7f16\u8bd1\u9519\u8bef\u4e0d\u8981\u614c&#xff0c;\u5148\u770b\u89c4\u5219ID&#xff0c;\u518d\u67e5\u901f\u67e5\u8868&#xff0c;\u6700\u540e\u7528arkts_check\u9a8c\u8bc1\u4fee\u590d\u3002<\/p>\n<h3>12. NearPlay\u9879\u76ee\u5b9e\u9645\u8e29\u5751\u6848\u4f8b\u8be6\u89e3<\/h3>\n<h4>12.1 VoiceInput\u5d29\u6e83&#xff1a;&#064;Component\u4e0d\u80fdnew<\/h4>\n<p>\u8fd9\u662fNearPlay\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u6700\u4e25\u91cd\u7684\u8fd0\u884c\u65f6\u5d29\u6e83\u3002\u73b0\u8c61\u662f\u516d\u79cd\u6e38\u620f\u9875\u9762\u542f\u52a8\u8bed\u97f3\u8bc6\u522b\u65f6\u5168\u90e8\u95ea\u9000&#xff0c;\u9519\u8bef\u4fe1\u606f\u4e3a&#034;Cannot read property canSpeak of undefined&#034;\u3002<\/p>\n<p>\u6839\u56e0\u5206\u6790&#xff1a;\u6700\u521dVoiceInput\u88ab\u8bbe\u8ba1\u4e3a&#064;Component struct&#xff0c;\u5305\u542bspeechRecognizer\u5f15\u64ce\u548ccanSpeak\u72b6\u6001\u3002\u5728\u6e38\u620f\u9875\u9762\u4e2d\u901a\u8fc7this.voiceInput &#061; new VoiceInput()\u6765\u521b\u5efa\u5b9e\u4f8b\u3002\u4f46ArkTS\u89c4\u5b9a&#064;Component struct\u4e0d\u80fd\u901a\u8fc7new\u64cd\u4f5c\u7b26\u5b9e\u4f8b\u5316\u2014\u2014\u7ec4\u4ef6\u53ea\u80fd\u7531ArkUI\u6846\u67b6\u81ea\u52a8\u521b\u5efa\u548c\u7ba1\u7406\u3002new\u64cd\u4f5c\u7b26\u521b\u5efa\u7684\u5bf9\u8c61\u6ca1\u6709ArkUI\u6846\u67b6\u6ce8\u5165\u7684\u4e0a\u4e0b\u6587&#xff0c;\u5bfc\u81f4this\u6307\u5411\u4e3aundefined&#xff0c;\u6240\u6709&#064;State\u5c5e\u6027\u90fd\u4e0d\u53ef\u8bbf\u95ee\u3002<\/p>\n<p>\u4fee\u590d\u8fc7\u7a0b&#xff1a;\u5c06\u8bed\u97f3\u8bc6\u522b\u903b\u8f91\u4ece&#064;Component\u4e2d\u63d0\u53d6\u51fa\u6765&#xff0c;\u521b\u5efaVoiceInputHelper\u666e\u901aclass&#xff08;\u975e&#064;Component&#xff09;&#xff0c;\u5b83\u4e0d\u4f7f\u7528\u4efb\u4f55ArkUI\u88c5\u9970\u5668&#xff0c;\u7eaf\u4e1a\u52a1\u903b\u8f91\u7c7b&#xff0c;\u53ef\u4ee5\u6b63\u5e38new\u3002\u6e38\u620f\u9875\u9762\u6301\u6709VoiceInputHelper\u5b9e\u4f8b\u800c\u975eVoiceInput\u7ec4\u4ef6\u5b9e\u4f8b\u3002\u4fee\u590d\u540e\u6240\u6709\u6e38\u620f\u9875\u9762\u6062\u590d\u6b63\u5e38\u3002<\/p>\n<p>\u7ecf\u9a8c\u6559\u8bad&#xff1a;&#064;Component struct\u4e0d\u662f\u666e\u901a\u7684\u7c7b&#xff0c;\u5b83\u6709\u7279\u6b8a\u7684\u521b\u5efa\u548c\u751f\u547d\u5468\u671f\u7ba1\u7406\u673a\u5236\u3002\u5982\u679c\u4f60\u9700\u8981\u4e00\u4e2a\u6301\u6709\u72b6\u6001\u548c\u65b9\u6cd5\u7684\u666e\u901a\u5bf9\u8c61&#xff0c;\u4f7f\u7528\u666e\u901aclass\u800c\u975e&#064;Component struct\u3002<\/p>\n<h4>12.2 BlockModel\u8de8\u6587\u4ef6\u72b6\u6001\u4e0d\u540c\u6b65<\/h4>\n<p>\u62c9\u9ed1\u529f\u80fd\u5728Index\u9875\u9762\u6b63\u5e38&#xff0c;\u4f46\u5728ChatPage\u4e2d\u62c9\u9ed1\u7684\u7528\u6237\u4ecd\u80fd\u770b\u5230\u6d88\u606f\u3002<\/p>\n<p>\u6839\u56e0\u5206\u6790&#xff1a;\u6700\u521dBlockModel\u4f7f\u7528\u5355\u4f8b\u6a21\u5f0f\u2014\u2014class BlockModel\u7684static instance\u5b57\u6bb5\u4fdd\u5b58\u552f\u4e00\u5b9e\u4f8b\u3002\u4f46\u5728ArkTS\u4e2d&#xff0c;\u4e0d\u540c.ets\u6587\u4ef6import\u540c\u4e00\u4e2a\u6a21\u5757\u65f6&#xff0c;static\u5b57\u6bb5\u7684\u521d\u59cb\u5316\u884c\u4e3a\u4e0d\u4e00\u81f4\u3002Index.ets\u548cChatPage.ets\u5404\u81ea\u6301\u6709\u4e00\u4efdBlockModel\u7684static instance\u526f\u672c&#xff0c;\u4fee\u6539\u4e00\u4efd\u4e0d\u4f1a\u5f71\u54cd\u53e6\u4e00\u4efd\u3002<\/p>\n<p>\u4fee\u590d\u8fc7\u7a0b&#xff1a;\u5c06\u5355\u4f8bclass\u6539\u4e3a\u6a21\u5757\u7ea7let\u53d8\u91cf&#043;\u5bfc\u51fa\u51fd\u6570\u3002\u6a21\u5757\u7ea7\u53d8\u91cf\u5728ArkTS\u4e2d\u662f\u771f\u6b63\u7684\u5355\u4f8b\u2014\u2014\u6240\u6709\u5bfc\u5165\u8be5\u6a21\u5757\u7684\u6587\u4ef6\u5171\u4eab\u540c\u4e00\u4e2a\u53d8\u91cf\u5b9e\u4f8b\u3002\u5bfc\u51fa\u7684getBlockList()\u3001addBlock()\u3001removeBlock()\u51fd\u6570\u76f4\u63a5\u64cd\u4f5c\u6a21\u5757\u7ea7let\u53d8\u91cf&#xff0c;\u786e\u4fdd\u72b6\u6001\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u7ecf\u9a8c\u6559\u8bad&#xff1a;ArkTS\u6a21\u5757\u7cfb\u7edf\u4e2d&#xff0c;class\u7684static\u5b57\u6bb5\u4e0d\u5982\u6a21\u5757\u7ea7\u53d8\u91cf\u53ef\u9760\u3002\u9700\u8981\u8de8\u6587\u4ef6\u5171\u4eab\u7684\u53ef\u53d8\u72b6\u6001&#xff0c;\u4f7f\u7528\u6a21\u5757\u7ea7let&#043;\u5bfc\u51fa\u51fd\u6570\u7684\u6a21\u5f0f&#xff0c;\u907f\u514dstatic\u5355\u4f8b\u3002<\/p>\n<h4>12.3 &#064;Builder\u95ed\u5305\u53c2\u6570\u6355\u83b7\u5931\u8d25<\/h4>\n<p>\u5728Index\u9875\u9762\u7684\u9644\u8fd1\u7528\u6237\u5217\u8868\u4e2d&#xff0c;\u70b9\u51fb\u7528\u6237\u5934\u50cf\u8fdb\u5165\u8be6\u60c5\u65f6user.id\u4e3aundefined\u3002<\/p>\n<p>\u6839\u56e0\u5206\u6790&#xff1a;&#064;Builder\u65b9\u6cd5\u63a5\u6536\u53c2\u6570\u65f6&#xff0c;\u8fd9\u4e9b\u53c2\u6570\u5728onClick\u7b49\u95ed\u5305\u4e2d\u53ef\u80fd\u4e0d\u88ab\u6b63\u786e\u6355\u83b7\u3002\u5177\u4f53\u6765\u8bf4&#xff0c;&#064;Builder userCard(user: NearbyUser)\u4e2d\u7684user\u53c2\u6570\u5728user.onClick(()&#061;&gt;{ router.pushUrl({params:{userId:user.id}}) })\u95ed\u5305\u4e2d\u53ef\u80fd\u4e3aundefined\u3002\u8fd9\u662fArkUI\u6846\u67b6\u7684\u4e00\u4e2a\u5df2\u77e5\u884c\u4e3a\u2014\u2014&#064;Builder\u53c2\u6570\u7684\u751f\u547d\u5468\u671f\u4e0e\u7ec4\u4ef6\u7684\u6e32\u67d3\u5468\u671f\u7ed1\u5b9a&#xff0c;\u5728\u4e8b\u4ef6\u56de\u8c03\u89e6\u53d1\u65f6\u53ef\u80fd\u5df2\u7ecf\u5931\u6548\u3002<\/p>\n<p>\u4fee\u590d\u8fc7\u7a0b&#xff1a;\u653e\u5f03&#064;Builder\u53c2\u6570\u4f20\u9012&#xff0c;\u6539\u7528ForEach\u5185\u8054\u6e32\u67d3\u3002\u5728ForEach\u7684\u6e32\u67d3\u51fd\u6570\u4e2d\u76f4\u63a5\u5f15\u7528item\u53d8\u91cf&#xff0c;\u8fd9\u4e2a\u53d8\u91cf\u5728onClick\u95ed\u5305\u4e2d\u88ab\u6b63\u786e\u6355\u83b7\u3002<\/p>\n<p>\u7ecf\u9a8c\u6559\u8bad&#xff1a;&#064;Builder\u53c2\u6570\u4e0d\u9002\u5408\u5728\u4e8b\u4ef6\u56de\u8c03\u4e2d\u4f7f\u7528\u3002\u5982\u679cUI\u5143\u7d20\u9700\u8981\u5728\u70b9\u51fb\u65f6\u5f15\u7528\u5217\u8868\u9879\u7684\u6570\u636e&#xff0c;\u4f7f\u7528ForEach\u5185\u8054\u6e32\u67d3\u800c\u975e&#064;Builder\u62bd\u53d6\u3002<\/p>\n<h4>12.4 setInterval\u6cc4\u6f0f\u5bfc\u81f4\u9875\u9762\u9000\u51fa\u540e\u5b9a\u65f6\u5668\u4ecd\u5728\u8fd0\u884c<\/h4>\n<p>\u4ece\u6e38\u620f\u9875\u9762\u8fd4\u56deGameRoom\u540e&#xff0c;\u6e38\u620f\u5012\u8ba1\u65f6\u4ecd\u5728\u8fd0\u884c&#xff0c;\u65e5\u5fd7\u6301\u7eed\u8f93\u51fa\u3002<\/p>\n<p>\u6839\u56e0\u5206\u6790&#xff1a;\u6e38\u620f\u9875\u9762\u4f7f\u7528setInterval\u8bbe\u7f6e\u5012\u8ba1\u65f6&#xff0c;\u4f46\u5728aboutToDisappear()\u4e2d\u6ca1\u6709\u6e05\u9664\u3002Router.back()\u8c03\u7528\u6e38\u620f\u9875\u9762\u7684aboutToDisappear()&#xff0c;\u4f46\u5982\u679c\u5b9a\u65f6\u5668ID\u6ca1\u6709\u5b58\u50a8\u4e3aclass\u5b57\u6bb5&#xff0c;\u5c31\u65e0\u6cd5\u5728aboutToDisappear()\u4e2d\u5f15\u7528\u548c\u6e05\u9664\u5b83\u3002<\/p>\n<p>\u4fee\u590d\u8fc7\u7a0b&#xff1a;\u6240\u6709\u6e38\u620f\u9875\u9762\u5c06setInterval\u8fd4\u56de\u503c\u5b58\u50a8\u4e3aclass\u5b57\u6bb5&#xff08;\u5982timerId: number &#061; -1&#xff09;&#xff0c;\u5728aboutToDisappear()\u4e2d\u68c0\u67e5\u5e76\u6e05\u9664\u3002<\/p>\n<p>\u7ecf\u9a8c\u6559\u8bad&#xff1a;setInterval\/setTimeout\u7684\u8fd4\u56de\u503c\u5fc5\u987b\u5b58\u50a8&#xff0c;\u5e76\u5728\u7ec4\u4ef6\u9500\u6bc1\u65f6\u6e05\u9664\u3002\u8fd9\u662f\u79fb\u52a8\u7aef\u5f00\u53d1\u7684\u57fa\u672c\u8981\u6c42&#xff0c;\u4f46\u5728ArkUI\u7684\u58f0\u660e\u5f0f\u8303\u5f0f\u4e2d\u5bb9\u6613\u88ab\u5ffd\u7565\u2014\u2014\u5f00\u53d1\u8005\u5f80\u5f80\u53ea\u5173\u6ce8UI\u63cf\u8ff0&#xff0c;\u5fd8\u8bb0\u8d44\u6e90\u6e05\u7406\u3002<\/p>\n<h4>12.5 LikeStore\u5237\u65b0\u673a\u5236<\/h4>\n<p>\u8dd1\u6b65\u987e\u95ee\u7684\u6536\u85cf\u529f\u80fd\u9700\u8981\u5728\u6536\u85cf\/\u53d6\u6d88\u6536\u85cf\u540e\u7acb\u5373\u66f4\u65b0UI\u3002\u6700\u521d\u5c1d\u8bd5\u5728LikeStore\u4e2d\u4f7f\u7528\u56de\u8c03\u51fd\u6570\u901a\u77e5\u9875\u9762\u5237\u65b0&#xff0c;\u4f46\u56de\u8c03\u51fd\u6570\u5728\u4e0d\u540c.ets\u6587\u4ef6\u95f4\u7684\u4f20\u9012\u548c\u8c03\u7528\u975e\u5e38\u590d\u6742\u3002<\/p>\n<p>\u6700\u7ec8\u65b9\u6848&#xff1a;\u5728\u9700\u8981\u54cd\u5e94\u6536\u85cf\u53d8\u5316\u7684\u9875\u9762\u4e2d&#xff0c;\u589e\u52a0\u4e00\u4e2alikeRefresh\u8ba1\u6570\u5668&#xff08;&#064;State\u5b57\u6bb5&#xff09;&#xff0c;\u6bcf\u6b21\u6536\u85cf\/\u53d6\u6d88\u6536\u85cf\u64cd\u4f5c\u540e\u9012\u589e\u8be5\u8ba1\u6570\u5668\u3002\u7531\u4e8elikeRefresh\u662f&#064;State\u5b57\u6bb5&#xff0c;\u5176\u53d8\u5316\u4f1a\u89e6\u53d1\u7ec4\u4ef6\u91cd\u65b0\u6e32\u67d3&#xff0c;\u95f4\u63a5\u5237\u65b0\u6536\u85cf\u72b6\u6001\u3002\u8fd9\u79cd&#034;\u8ba1\u6570\u5668\u5f3a\u5236\u5237\u65b0&#034;\u6280\u5de7\u7b80\u5355\u6709\u6548&#xff0c;\u907f\u514d\u4e86\u590d\u6742\u7684\u8de8\u7ec4\u4ef6\u56de\u8c03\u673a\u5236\u3002<\/p>\n<h4>12.6 getParams()\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u5904\u7406<\/h4>\n<p>Router.getParams()\u8fd4\u56deobject | null&#xff0c;\u4f46\u5b9e\u9645\u4f7f\u7528\u65f6\u9700\u8981\u8bbf\u95ee\u5176\u4e2d\u7684\u5177\u4f53\u5b57\u6bb5&#xff08;\u5982userId\u3001gameType\u7b49&#xff09;\u3002\u5728TypeScript\u4e2d\u53ef\u4ee5\u4f7f\u7528as\u65ad\u8a00&#xff0c;\u4f46ArkTS\u9650\u5236as\u7684\u4f7f\u7528\u3002<\/p>\n<p>\u59a5\u534f\u65b9\u6848&#xff1a;\u5bf9getParams()\u7684\u8fd4\u56de\u503c\u4f7f\u7528as\u65ad\u8a00\u88abArkTS\u7f16\u8bd1\u5668\u5bb9\u5fcd&#xff08;\u5c5e\u4e8e\u6846\u67b6API\u7684\u7279\u6b8a\u5904\u7406&#xff09;&#xff0c;\u56e0\u6b64\u5b9e\u9645\u4ee3\u7801\u4e2d\u4ecd\u7136\u4f7f\u7528router.getParams() as Record&lt;string, Object&gt;\u6765\u83b7\u53d6\u9875\u9762\u53c2\u6570\u3002\u8fd9\u662fArkTS\u4e25\u683c\u6a21\u5f0f\u4e0b\u7684\u4e00\u4e2a\u4f8b\u5916\u60c5\u51b5\u2014\u2014\u6846\u67b6API\u7684\u7c7b\u578b\u5b9a\u4e49\u4e0d\u591f\u7cbe\u786e\u65f6&#xff0c;as\u65ad\u8a00\u662f\u5fc5\u8981\u7684\u59a5\u534f\u3002<\/p>\n<h4>12.7 Object.keys()\u548cfor\u2026in\u7684\u66ff\u4ee3<\/h4>\n<p>NearPlay\u6700\u521d\u5927\u91cf\u4f7f\u7528Object.keys()\u6765\u904d\u5386\u5bf9\u8c61\u7684\u5c5e\u6027\u540d&#xff0c;\u4ee5\u53cafor\u2026in\u5faa\u73af\u904d\u5386\u952e\u503c\u5bf9\u3002\u8fd9\u4e24\u8005\u90fd\u88abArkTS\u7981\u6b62\u3002<\/p>\n<p>\u66ff\u4ee3\u65b9\u6848&#xff1a;\u5bf9\u4e8e\u952e\u540d\u5df2\u77e5\u7684\u60c5\u51b5&#xff0c;\u7ef4\u62a4\u4e00\u4e2a\u952e\u540d\u6570\u7ec4&#xff0c;\u7136\u540e\u904d\u5386\u8be5\u6570\u7ec4\u8bbf\u95ee\u5bf9\u8c61\u5c5e\u6027\u3002\u4f8b\u5982\u5c06Object.keys(gameRoutes)\u66ff\u6362\u4e3aconst gameKeys: string[] &#061; [&#039;werewolf&#039;, &#039;scriptkill&#039;, &#039;undercover&#039;, &#039;quickreact&#039;, &#039;drawguess&#039;, &#039;truthordare&#039;]&#xff0c;\u7136\u540e\u7528for\u2026of\u904d\u5386gameKeys\u518d\u901a\u8fc7gameRoutes[key]\u8bbf\u95ee\u503c\u3002\u5bf9\u4e8e\u952e\u540d\u52a8\u6001\u7684\u573a\u666f&#xff0c;\u4f7f\u7528Map\u66ff\u4ee3\u666e\u901a\u5bf9\u8c61\u3002<\/p>\n<h4>12.8 fileIo.readTextSync()\u7684\u53c2\u6570\u8bef\u89e3<\/h4>\n<p>\u753b\u731c\u6e38\u620f\u7684\u9898\u76ee\u6587\u4ef6\u8bfb\u53d6\u6700\u521d\u4f7f\u7528\u4e86fs.readTextSync(file.fd)&#xff0c;\u4f46readTextSync\u63a5\u6536\u7684\u662fURI\u5b57\u7b26\u4e32\u800c\u975e\u6587\u4ef6\u63cf\u8ff0\u7b26\u6570\u5b57\u3002<\/p>\n<p>\u4fee\u590d\u65b9\u6848&#xff1a;\u6539\u7528fs.readTextSync(file.uri)&#xff0c;\u5176\u4e2dfile\u662fpicker\u8fd4\u56de\u7684\u6587\u4ef6\u5bf9\u8c61&#xff0c;\u5176uri\u5c5e\u6027\u662f\u5b57\u7b26\u4e32\u683c\u5f0f\u7684\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n<p>\u7ecf\u9a8c\u6559\u8bad&#xff1a;HarmonyOS\u7684\u6587\u4ef6API\u4e0eNode.js\u7684\u6587\u4ef6API\u6709\u663e\u8457\u5dee\u5f02\u3002Node.js\u4e2dreadFileSync\u63a5\u53d7\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u800cHarmonyOS\u4e2dreadTextSync\u63a5\u53d7URI\u5b57\u7b26\u4e32\u3002\u8fc1\u79fb\u4ee3\u7801\u65f6\u4e0d\u80fd\u5047\u8bbeAPI\u884c\u4e3a\u4e00\u81f4\u3002<\/p>\n<h3>13. ArkTS\u4e0eTypeScript\u5dee\u5f02\u603b\u7ed3<\/h3>\n<h4>13.1 \u7c7b\u578b\u7cfb\u7edf\u5dee\u5f02<\/h4>\n<p>TypeScript\u4f7f\u7528\u7ed3\u6784\u7c7b\u578b\u7cfb\u7edf&#xff0c;\u4e24\u4e2a\u7c7b\u578b\u53ea\u8981\u7ed3\u6784\u76f8\u540c\u5c31\u662f\u517c\u5bb9\u7684\u3002ArkTS\u5728\u90e8\u5206\u573a\u666f\u8981\u6c42\u663e\u5f0f\u7ee7\u627f&#xff08;\u6807\u79f0\u7c7b\u578b&#xff09;&#xff0c;class\u5fc5\u987b\u7528implements\u58f0\u660e\u63a5\u53e3\u5b9e\u73b0\u3002\u8fd9\u610f\u5473\u7740\u4f60\u4e0d\u80fd\u518d\u4f9d\u8d56&#034;\u9e2d\u5b50\u7c7b\u578b&#034;\u2014\u2014\u5373\u4f7f\u4e00\u4e2aclass\u6709\u63a5\u53e3\u8981\u6c42\u7684\u6240\u6709\u65b9\u6cd5&#xff0c;\u4e5f\u5fc5\u987b\u663e\u5f0f\u58f0\u660eimplements\u5173\u7cfb\u3002<\/p>\n<h4>13.2 \u52a8\u6001\u6027\u9650\u5236<\/h4>\n<p>TypeScript\u662fJavaScript\u7684\u8d85\u96c6&#xff0c;\u4fdd\u7559\u4e86JavaScript\u7684\u6240\u6709\u52a8\u6001\u7279\u6027\u2014\u2014for\u2026in\u3001Object.keys()\u3001delete\u64cd\u4f5c\u7b26\u3001\u52a8\u6001\u5c5e\u6027\u8bbf\u95ee\u3001arguments\u5bf9\u8c61\u7b49\u3002ArkTS\u5927\u5e45\u524a\u51cf\u4e86\u8fd9\u4e9b\u52a8\u6001\u7279\u6027&#xff0c;\u53ea\u4fdd\u7559\u4e86\u4e0e\u9759\u6001\u7c7b\u578b\u7cfb\u7edf\u517c\u5bb9\u7684\u5b50\u96c6\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4f7fArkTS\u4ee3\u7801\u53ef\u4ee5\u5728AOT\u7f16\u8bd1\u5668\u4e2d\u9ad8\u6548\u7f16\u8bd1&#xff0c;\u4f46\u4e5f\u610f\u5473\u7740\u4eceTypeScript\u8fc1\u79fb\u4ee3\u7801\u65f6\u9700\u8981\u5927\u91cf\u91cd\u5199\u52a8\u6001\u7279\u6027\u76f8\u5173\u4ee3\u7801\u3002<\/p>\n<h4>13.3 \u88c5\u9970\u5668\u8bed\u4e49\u5dee\u5f02<\/h4>\n<p>TypeScript\u7684\u88c5\u9970\u5668\u662f\u5b9e\u9a8c\u6027\u7279\u6027&#xff0c;\u8bed\u6cd5\u548c\u8bed\u4e49\u53ef\u80fd\u968f\u7248\u672c\u53d8\u5316\u3002ArkTS\u7684\u88c5\u9970\u5668&#xff08;&#064;Component\u3001&#064;State\u3001&#064;Builder\u7b49&#xff09;\u662f\u8bed\u8a00\u89c4\u8303\u7684\u4e00\u90e8\u5206&#xff0c;\u6709\u4e25\u683c\u7684\u8bed\u4e49\u5b9a\u4e49\u548c\u4f7f\u7528\u7ea6\u675f\u3002\u6700\u5173\u952e\u7684\u533a\u522b\u662f&#xff1a;&#064;Component struct\u4e0d\u662f\u666e\u901aclass\u2014\u2014\u5b83\u4e0d\u80fdnew&#xff0c;\u4e0d\u80fd\u7ee7\u627f&#xff0c;\u4e0d\u80fd\u7528\u4f5c\u7c7b\u578b\u53c2\u6570\u3002\u7406\u89e3\u8fd9\u4e2a\u533a\u522b\u662f\u907f\u514d\u8fd0\u884c\u65f6\u5d29\u6e83\u7684\u5173\u952e\u3002<\/p>\n<h4>13.4 \u6a21\u5757\u7cfb\u7edf\u5dee\u5f02<\/h4>\n<p>TypeScript\u4f7f\u7528ES\u6a21\u5757\u7cfb\u7edf&#xff0c;\u652f\u6301\u5404\u79cd\u5bfc\u5165\u5bfc\u51fa\u8bed\u6cd5\u3002ArkTS\u540c\u6837\u4f7f\u7528ES\u6a21\u5757&#xff0c;\u4f46\u5bf9\u6a21\u5757\u7684\u8fd0\u884c\u65f6\u884c\u4e3a\u6709\u989d\u5916\u7ea6\u675f\u2014\u2014\u4f8b\u5982class\u7684static\u5b57\u6bb5\u8de8\u6587\u4ef6\u884c\u4e3a\u53ef\u80fd\u4e0eTypeScript\u4e0d\u540c&#xff0c;\u6a21\u5757\u7ea7\u53d8\u91cf\u5219\u662f\u53ef\u9760\u7684\u5355\u4f8b\u673a\u5236\u3002\u5728\u6d89\u53ca\u8de8\u6587\u4ef6\u5171\u4eab\u53ef\u53d8\u72b6\u6001\u65f6&#xff0c;\u4f18\u5148\u4f7f\u7528\u6a21\u5757\u7ea7\u53d8\u91cf\u800c\u975eclass static\u5b57\u6bb5\u3002<\/p>\n<h4>13.5 \u7f16\u8bd1\u4e0e\u8fd0\u884c\u65f6\u5173\u7cfb<\/h4>\n<p>TypeScript\u7f16\u8bd1\u5230JavaScript\u540e&#xff0c;\u7c7b\u578b\u4fe1\u606f\u88ab\u64e6\u9664&#xff0c;\u8fd0\u884c\u65f6\u884c\u4e3a\u5b8c\u5168\u7531JavaScript\u8bed\u4e49\u51b3\u5b9a\u3002ArkTS\u7f16\u8bd1\u540e\u7c7b\u578b\u4fe1\u606f\u90e8\u5206\u4fdd\u7559&#xff08;\u7528\u4e8e\u8fd0\u884c\u65f6\u7c7b\u578b\u68c0\u67e5&#xff09;&#xff0c;\u88c5\u9970\u5668\u8bed\u4e49\u88ab\u6846\u67b6\u89e3\u91ca\u6267\u884c\u3002\u8fd9\u610f\u5473\u7740\u67d0\u4e9b\u5728TypeScript\u4e2d\u7f16\u8bd1\u901a\u8fc7\u4e14\u8fd0\u884c\u6b63\u5e38\u7684\u4ee3\u7801&#xff0c;\u5728ArkTS\u4e2d\u53ef\u80fd\u7f16\u8bd1\u5931\u8d25&#xff08;\u4e25\u683c\u6a21\u5f0f\u9650\u5236&#xff09;\u6216\u7f16\u8bd1\u901a\u8fc7\u4f46\u8fd0\u884c\u65f6\u5d29\u6e83&#xff08;\u5982&#064;Component new\u95ee\u9898&#xff09;\u3002\u5f00\u53d1\u8005\u9700\u8981\u540c\u65f6\u5173\u6ce8\u7f16\u8bd1\u65f6\u548c\u8fd0\u884c\u65f6\u7684\u7ea6\u675f\u3002<\/p>\n<h3>14. \u7ed9\u65b0\u5f00\u53d1\u8005\u7684ArkTS\u4e0a\u624b\u5efa\u8bae<\/h3>\n<h4>14.1 \u5fc3\u6001\u8c03\u6574<\/h4>\n<p>\u4eceTypeScript\u8f6c\u5411ArkTS&#xff0c;\u6700\u5927\u7684\u6311\u6218\u4e0d\u662f\u8bed\u6cd5\u53d8\u5316&#xff0c;\u800c\u662f\u601d\u7ef4\u65b9\u5f0f\u7684\u8f6c\u53d8\u3002\u4f60\u9700\u8981\u63a5\u53d7&#034;\u7f16\u8bd1\u5668\u6bd4\u6211\u66f4\u61c2\u5b89\u5168&#034;\u8fd9\u4e00\u524d\u63d0\u2014\u2014\u6bcf\u4e00\u6761arkts-no-*\u89c4\u5219\u80cc\u540e\u90fd\u6709\u6027\u80fd\u6216\u5b89\u5168\u7684\u7406\u7531\u3002\u4e0d\u8981\u8bd5\u56fe&#034;\u7ed5\u8fc7&#034;\u9650\u5236&#xff0c;\u800c\u662f\u7406\u89e3\u9650\u5236\u7684\u610f\u56fe\u5e76\u91c7\u7528\u63a8\u8350\u7684\u6a21\u5f0f\u3002<\/p>\n<h4>14.2 \u5b66\u4e60\u8def\u5f84<\/h4>\n<p>\u5efa\u8bae\u7684\u5b66\u4e60\u987a\u5e8f&#xff1a;\u5148\u7406\u89e3ArkUI\u7684\u57fa\u672c\u6982\u5ff5&#xff08;&#064;Component\u3001&#064;State\u3001&#064;Builder\u3001build()\u65b9\u6cd5&#xff09;&#xff0c;\u7136\u540e\u5b66\u4e60\u8def\u7531\u548c\u9875\u9762\u751f\u547d\u5468\u671f&#xff08;Router\u3001aboutToAppear\/aboutToDisappear&#xff09;&#xff0c;\u518d\u5b66\u4e60ArkTS\u7684\u8bed\u6cd5\u9650\u5236&#xff08;arkts-no-*\u89c4\u5219&#xff09;&#xff0c;\u6700\u540e\u5b66\u4e60\u9ad8\u7ea7\u7279\u6027&#xff08;Sendable\u3001\u5e76\u53d1\u3001\u81ea\u5b9a\u4e49\u7ec4\u4ef6&#xff09;\u3002\u5148\u5199\u7b80\u5355\u7684\u9875\u9762\u8dd1\u901a&#xff0c;\u518d\u9010\u6b65\u589e\u52a0\u590d\u6742\u5ea6\u3002<\/p>\n<h4>14.3 \u8c03\u8bd5\u6280\u5de7<\/h4>\n<p>ArkTS\u7684\u8c03\u8bd5\u624b\u6bb5\u6709\u9650\u2014\u2014console.log\u4ecd\u7136\u662f\u6700\u5e38\u7528\u7684\u8c03\u8bd5\u5de5\u5177\u3002\u5728aboutToAppear\/aboutToDisappear\/onPageShow\/onPageHide\u4e2d\u6dfb\u52a0\u65e5\u5fd7&#xff0c;\u53ef\u4ee5\u5e2e\u52a9\u7406\u89e3\u7ec4\u4ef6\u751f\u547d\u5468\u671f\u3002\u5728\u6e38\u620f\u9875\u9762\u4e2d&#xff0c;\u4e3a\u72b6\u6001\u8f6c\u6362\u6dfb\u52a0\u65e5\u5fd7&#xff08;\u5982&#034;\u8fdb\u5165\u591c\u665a\u9636\u6bb5&#034;\u3001\u201c\u6295\u7968\u5f00\u59cb\u201d&#xff09;&#xff0c;\u6709\u52a9\u4e8e\u8ffd\u8e2a\u6e38\u620f\u903b\u8f91\u7684\u6b63\u786e\u6027\u3002\u4f7f\u7528hilog\u800c\u975econsole.log\u53ef\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u65e5\u5fd7\u8fc7\u6ee4\u80fd\u529b\u3002<\/p>\n<h4>14.4 \u6027\u80fd\u610f\u8bc6<\/h4>\n<p>ArkUI\u7684\u58f0\u660e\u5f0f\u6e32\u67d3\u6a21\u578b\u610f\u5473\u7740\u6bcf\u6b21&#064;State\u53d8\u5316\u90fd\u4f1a\u89e6\u53d1\u7ec4\u4ef6\u91cd\u65b0\u6e32\u67d3\u3002\u5728\u6e38\u620f\u9875\u9762\u4e2d&#xff0c;\u5012\u8ba1\u65f6\u6bcf\u79d2\u89e6\u53d1\u4e00\u6b21\u5237\u65b0\u2014\u2014\u5982\u679c\u6e32\u67d3\u903b\u8f91\u8fc7\u91cd&#xff08;\u5982\u590d\u6742\u7684Canvas\u7ed8\u5236&#xff09;&#xff0c;\u53ef\u80fd\u5bfc\u81f4\u5361\u987f\u3002\u4f18\u5316\u7b56\u7565\u5305\u62ec&#xff1a;\u51cf\u5c11ForEach\u7684\u5143\u7d20\u6570\u91cf\u3001\u4f7f\u7528LazyForEach\u66ff\u4ee3ForEach\u3001\u5c06Canvas\u7ed8\u5236\u4e0eUI\u6e32\u67d3\u89e3\u8026\u3001\u907f\u514d\u5728build()\u4e2d\u521b\u5efa\u65b0\u5bf9\u8c61\u3002<\/p>\n<h4>14.5 \u5de5\u7a0b\u5316\u5efa\u8bae<\/h4>\n<p>\u5efa\u7acb\u7edf\u4e00\u7684\u7c7b\u578b\u5b9a\u4e49\u6587\u4ef6&#xff0c;\u6240\u6709\u8de8\u6a21\u5757\u4f7f\u7528\u7684\u6570\u636e\u7c7b\u578b\u96c6\u4e2d\u5b9a\u4e49\u3002\u5efa\u7acb\u7edf\u4e00\u7684\u5e38\u91cf\u6587\u4ef6&#xff0c;\u6e38\u620f\u914d\u7f6e\u3001\u8def\u7531\u6620\u5c04\u3001\u989c\u8272\u4e3b\u9898\u7b49\u96c6\u4e2d\u7ba1\u7406\u3002\u5efa\u7acb\u7edf\u4e00\u7684Mock\u6570\u636e\u6587\u4ef6&#xff0c;\u6240\u6709\u6a21\u62df\u6570\u636e\u96c6\u4e2d\u5b9a\u4e49&#xff0c;\u65b9\u4fbf\u672a\u6765\u5207\u6362\u4e3a\u771f\u5b9e\u63a5\u53e3\u3002\u8fd9\u4e09\u4efd\u6587\u4ef6\u662fNearPlay\u9879\u76ee\u7684\u57fa\u7840\u8bbe\u65bd&#xff0c;\u65b0\u9875\u9762\u53ea\u9700\u8981import\u5e76\u4f7f\u7528\u5373\u53ef&#xff0c;\u65e0\u9700\u91cd\u590d\u5b9a\u4e49\u3002<\/p>\n<h3>15. ArkTS\u4e0e\u8de8\u5e73\u53f0\u6846\u67b6\u7684\u5bf9\u6bd4<\/h3>\n<h4>15.1 ArkTS vs React Native<\/h4>\n<p>React Native\u4f7f\u7528JavaScript\/TypeScript\u7f16\u5199UI\u63cf\u8ff0&#xff0c;\u901a\u8fc7Bridge\u5c06\u6e32\u67d3\u6307\u4ee4\u4f20\u9012\u7ed9\u539f\u751f\u7ec4\u4ef6\u3002ArkTS\u4f7f\u7528ArkUI\u6846\u67b6\u76f4\u63a5\u6e32\u67d3\u2014\u2014\u65e0\u9700Bridge\u5c42&#xff0c;\u6e32\u67d3\u8def\u5f84\u66f4\u77ed&#xff0c;\u6027\u80fd\u66f4\u9ad8\u3002\u4f46React Native\u7684\u4f18\u52bf\u662f\u8de8\u5e73\u53f0\u2014\u2014\u4e00\u5957\u4ee3\u7801\u540c\u65f6\u8fd0\u884c\u5728iOS\u548cAndroid\u4e0a\u3002ArkTS\u53ea\u9762\u5411HarmonyOS&#xff0c;\u4e0d\u5177\u5907\u8de8\u5e73\u53f0\u80fd\u529b\u3002\u5bf9\u4e8eNearPlay\u8fd9\u79cd\u6df1\u5ea6\u96c6\u6210HarmonyOS\u7cfb\u7edf\u80fd\u529b&#xff08;CoreSpeechKit\u3001NotificationKit\u7b49&#xff09;\u7684\u5e94\u7528&#xff0c;ArkTS\u7684\u539f\u751f\u80fd\u529b\u4f18\u52bf\u5927\u4e8e\u8de8\u5e73\u53f0\u52a3\u52bf\u3002<\/p>\n<h4>15.2 ArkTS vs Flutter<\/h4>\n<p>Flutter\u4f7f\u7528Dart\u8bed\u8a00\u548c\u81ea\u7ed8\u5f15\u64ce&#xff0c;\u5728\u6240\u6709\u5e73\u53f0\u4e0a\u4fdd\u6301\u4e00\u81f4\u7684\u6e32\u67d3\u6548\u679c\u3002ArkTS\u4f7f\u7528ArkUI\u6846\u67b6&#xff0c;\u6e32\u67d3\u6548\u679c\u7531\u7cfb\u7edf\u63a7\u4ef6\u51b3\u5b9a&#xff0c;\u4e0d\u540c\u8bbe\u5907\u53ef\u80fd\u6709\u7ec6\u5fae\u5dee\u5f02\u3002Flutter\u7684\u81ea\u7ed8\u5f15\u64ce\u5728\u590d\u6742\u52a8\u753b\u573a\u666f\u4e0b\u6027\u80fd\u66f4\u4f18&#xff0c;\u4f46\u4e0e\u7cfb\u7edf\u63a7\u4ef6\u7684\u98ce\u683c\u4e0d\u4e00\u81f4\u3002ArkUI\u7684\u7cfb\u7edf\u63a7\u4ef6\u98ce\u683c\u4e0eHarmonyOS\u8bbe\u8ba1\u8bed\u8a00\u4e00\u81f4&#xff0c;\u7528\u6237\u611f\u77e5\u66f4\u539f\u751f\u3002<\/p>\n<h4>15.3 \u9009\u62e9ArkTS\u7684\u6218\u7565\u8003\u91cf<\/h4>\n<p>NearPlay\u9009\u62e9ArkTS\u4e0d\u662f\u7eaf\u7cb9\u7684\u6280\u672f\u9009\u578b&#xff0c;\u800c\u662f\u4ea7\u54c1\u6218\u7565\u9009\u62e9\u2014\u2014NearPlay\u5b9a\u4f4d\u4e3aHarmonyOS\u539f\u751f\u793e\u4ea4\u6e38\u620f\u5e73\u53f0&#xff0c;\u6df1\u5ea6\u96c6\u6210HarmonyOS\u7684\u5206\u5e03\u5f0f\u80fd\u529b\u3001\u8bed\u97f3\u8bc6\u522b\u3001\u901a\u77e5\u63a8\u9001\u7b49\u7cfb\u7edf\u7279\u6027\u3002\u9009\u62e9ArkTS\u610f\u5473\u7740\u9009\u62e9&#034;\u6df1\u5ea6\u800c\u975e\u5e7f\u5ea6&#034;\u2014\u2014\u5728\u4e00\u4e2a\u5e73\u53f0\u4e0a\u505a\u5230\u6781\u81f4\u4f53\u9a8c&#xff0c;\u800c\u975e\u5728\u591a\u4e2a\u5e73\u53f0\u4e0a\u505a\u5230\u53ef\u7528\u4f53\u9a8c\u3002<\/p>\n<h3>16. ArkTS\u7684\u672a\u6765\u6f14\u8fdb\u65b9\u5411<\/h3>\n<h4>16.1 \u7c7b\u578b\u7cfb\u7edf\u7684\u6301\u7eed\u589e\u5f3a<\/h4>\n<p>ArkTS\u7684\u7c7b\u578b\u7cfb\u7edf\u5728\u6bcf\u4e2aSDK\u7248\u672c\u4e2d\u90fd\u5728\u589e\u5f3a\u2014\u2014\u65b0\u7684arkts-no\u89c4\u5219\u88ab\u5f15\u5165&#xff0c;\u9650\u5236\u66f4\u591a\u7684\u52a8\u6001\u7279\u6027&#xff0c;\u540c\u65f6\u63d0\u4f9b\u66f4\u5b89\u5168\u7684\u66ff\u4ee3\u65b9\u6848\u3002\u8fd9\u79cd\u8d8b\u52bf\u610f\u5473\u7740\u672a\u6765\u7684ArkTS\u4ee3\u7801\u5c06\u66f4\u52a0\u9759\u6001\u5316\u3001\u66f4\u52a0\u7c7b\u578b\u5b89\u5168&#xff0c;\u4f46\u4e5f\u610f\u5473\u7740\u4ece\u65e7\u7248\u672c\u8fc1\u79fb\u4ee3\u7801\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u91cd\u5199\u5de5\u4f5c\u3002NearPlay\u5e94\u8be5\u5728\u6bcf\u4e2aSDK\u7248\u672c\u5347\u7ea7\u65f6\u9884\u7559\u8fc1\u79fb\u65f6\u95f4&#xff0c;\u9010\u6b65\u9002\u914d\u65b0\u7684\u9650\u5236\u3002<\/p>\n<h4>16.2 \u5e76\u53d1\u6a21\u578b\u7684\u5b8c\u5584<\/h4>\n<p>\u5f53\u524dArkTS\u7684\u5e76\u53d1\u6a21\u578b\u4e3b\u8981\u4f9d\u8d56TaskPool\u548cWorker&#xff0c;\u901a\u8fc7Sendable\u6807\u8bb0\u8de8\u7ebf\u7a0b\u4f20\u9012\u7684\u6570\u636e\u3002\u4f46Sendable\u7684\u7ea6\u675f\u5f88\u4e25\u683c&#xff08;\u4e0d\u80fd\u4f7f\u7528ArkUI\u88c5\u9970\u5668\u3001\u4e0d\u80fd\u95ed\u5305\u6355\u83b7\u7b49&#xff09;&#xff0c;\u9650\u5236\u4e86\u5b9e\u7528\u6027\u3002\u672a\u6765\u7684ArkTS\u53ef\u80fd\u63d0\u4f9b\u66f4\u7075\u6d3b\u7684\u5e76\u53d1\u6a21\u578b\u2014\u2014\u5982\u7ed3\u6784\u5316\u5e76\u53d1\u3001Actor\u6a21\u578b\u7b49&#xff0c;\u8ba9\u5e76\u53d1\u7f16\u7a0b\u66f4\u7b80\u5355\u3002NearPlay\u7684\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1&#xff08;\u5982\u5339\u914d\u7b97\u6cd5\u3001AI\u88c1\u5224\u903b\u8f91&#xff09;\u5c06\u53d7\u76ca\u4e8e\u66f4\u597d\u7684\u5e76\u53d1\u652f\u6301\u3002<\/p>\n<h4>16.3 ArkUI\u7ec4\u4ef6\u5e93\u7684\u6269\u5c55<\/h4>\n<p>HarmonyOS\u6bcf\u4e2a\u7248\u672c\u90fd\u4f1a\u6269\u5c55ArkUI\u7ec4\u4ef6\u5e93\u2014\u2014\u65b0\u589e\u7ec4\u4ef6\u3001\u65b0\u589e\u88c5\u9970\u5668\u3001\u65b0\u589e\u5e03\u5c40\u80fd\u529b\u3002NearPlay\u5e94\u6301\u7eed\u5173\u6ce8\u65b0\u7ec4\u4ef6\u7684\u5f15\u5165&#xff0c;\u8bc4\u4f30\u662f\u5426\u53ef\u4ee5\u66ff\u4ee3\u5f53\u524d\u7684\u81ea\u5b9a\u4e49\u5b9e\u73b0\u3002\u4f8b\u5982&#xff0c;\u5982\u679cArkUI\u672a\u6765\u63d0\u4f9b\u5185\u7f6e\u7684\u5012\u8ba1\u65f6\u7ec4\u4ef6&#xff0c;NearPlay\u5c31\u4e0d\u9700\u8981\u81ea\u5df1\u5b9e\u73b0setInterval\u5012\u8ba1\u65f6\u903b\u8f91&#xff1b;\u5982\u679c\u63d0\u4f9bCanvas\u52a8\u753bAPI&#xff0c;\u770b\u8c01\u53cd\u5e94\u5feb\u548c\u4f60\u753b\u6211\u731c\u7684\u7ed8\u5236\u903b\u8f91\u53ef\u4ee5\u5927\u5e45\u7b80\u5316\u3002\u5173\u6ce8\u7248\u672c\u66f4\u65b0\u65e5\u5fd7\u3001\u53c2\u4e0eHarmonyOS\u5f00\u53d1\u8005\u793e\u533a\u7684\u8ba8\u8bba&#xff0c;\u662f\u53ca\u65f6\u4e86\u89e3\u65b0\u80fd\u529b\u7684\u6700\u4f73\u9014\u5f84\u3002<\/p>\n<h4>16.4 \u8de8\u8bbe\u5907\u8fc1\u79fb\u7684\u613f\u666f<\/h4>\n<p>HarmonyOS\u7684\u5206\u5e03\u5f0f\u80fd\u529b\u5141\u8bb8\u5e94\u7528\u5728\u591a\u4e2a\u8bbe\u5907\u95f4\u65e0\u7f1d\u8fc1\u79fb\u2014\u2014\u624b\u673a\u4e0a\u7684\u6e38\u620f\u53ef\u4ee5\u8fc1\u79fb\u5230\u5e73\u677f\u4e0a\u7ee7\u7eed&#xff0c;\u5e73\u677f\u4e0a\u7684\u804a\u5929\u53ef\u4ee5\u8fc1\u79fb\u5230\u667a\u6167\u5c4f\u4e0a\u5c55\u793a\u3002ArkTS\u4f5c\u4e3aHarmonyOS\u7684\u539f\u751f\u5f00\u53d1\u8bed\u8a00&#xff0c;\u5929\u7136\u652f\u6301\u8fd9\u79cd\u8de8\u8bbe\u5907\u8fc1\u79fb\u3002NearPlay\u672a\u6765\u53ef\u4ee5\u5229\u7528\u5206\u5e03\u5f0f\u80fd\u529b\u5b9e\u73b0&#034;\u624b\u673a\u5f53\u624b\u67c4\u3001\u7535\u89c6\u5f53\u68cb\u76d8&#034;\u7684\u6c89\u6d78\u5f0f\u6e38\u620f\u4f53\u9a8c\u2014\u2014\u624b\u673a\u5c4f\u5e55\u663e\u793a\u73a9\u5bb6\u624b\u724c\u548c\u64cd\u4f5c\u6309\u94ae&#xff0c;\u7535\u89c6\u5c4f\u5e55\u663e\u793a\u6e38\u620f\u684c\u9762\u548c\u516c\u5171\u4fe1\u606f\u3002\u8fd9\u79cd\u8de8\u8bbe\u5907\u534f\u540c\u662fHarmonyOS\u533a\u522b\u4e8e\u5176\u4ed6\u79fb\u52a8\u64cd\u4f5c\u7cfb\u7edf\u7684\u72ec\u7279\u4f18\u52bf\u3002<\/p>\n<h4>16.5 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