{"id":5118,"date":"2023-01-05T11:58:58","date_gmt":"2023-01-05T03:58:58","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5118"},"modified":"2023-01-05T11:58:58","modified_gmt":"2023-01-05T03:58:58","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e7%b1%bb%e7%9a%84%e5%8d%95%e4%be%8b%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e7%b1%bb%e7%9a%84%e5%8d%95%e4%be%8b%e6%a8%a1%e5%bc%8f\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u7c7b\u7684\u5355\u4f8b\u6a21\u5f0f"},"content":{"rendered":"

<\/p>\n

TypeScript \u7c7b(classes)\u7684\u5355\u4f8b\u6a21\u5f0f<\/h1>\n

TypeScript \u662f\u4e00\u7a2e\u7531 Microsoft \u958b\u767c\u7684 JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u985e\u4f3c\u65bc Java \u7684\u985e\u578b\u5b9a\u7fa9\u548c\u985e\u5225\u7e7c\u627f\u7b49\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u958b\u767c\u51fa\u66f4\u5065\u58ef\u7684\u7a0b\u5f0f\u78bc\u3002\u5728 TypeScript \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5229\u7528\u985e(classes)\u4f86\u5be6\u73fe\u5355\u4f8b\u6a21\u5f0f\uff0c\u4ee5\u78ba\u4fdd\u5728\u6574\u500b\u61c9\u7528\u7a0b\u5f0f\u4e2d\u53ea\u6709\u4e00\u500b\u7279\u5b9a\u7684\u5be6\u4f8b\u5b58\u5728\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u5355\u4f8b\u6a21\u5f0f\uff1f<\/h2>\n

\u5355\u4f8b\u6a21\u5f0f\u662f\u4e00\u7a2e\u8a2d\u8a08\u6a21\u5f0f\uff0c\u5b83\u78ba\u4fdd\u5728\u4e00\u500b\u61c9\u7528\u7a0b\u5f0f\u4e2d\u53ea\u6709\u4e00\u500b\u7279\u5b9a\u7684\u5be6\u4f8b\u5b58\u5728\u3002\u5b83\u53ef\u4ee5\u7528\u65bc\u78ba\u4fdd\u61c9\u7528\u7a0b\u5f0f\u4e2d\u53ea\u6709\u4e00\u500b\u7279\u5b9a\u7684\u7269\u4ef6\uff0c\u4f8b\u5982\u6578\u64da\u5eab\u9023\u63a5\u5668\uff0c\u8a2d\u7f6e\u7ba1\u7406\u5668\uff0c\u65e5\u8a8c\u8a18\u9304\u5668\u7b49\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528 TypeScript \u7c7b(classes)\u4f86\u5be6\u73fe\u5355\u4f8b\u6a21\u5f0f\uff1f<\/h2>\n

\u5728 TypeScript \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u985e(classes)\u4f86\u5be6\u73fe\u5355\u4f8b\u6a21\u5f0f\u3002\u9996\u5148\uff0c\u958b\u767c\u8005\u9700\u8981\u5b9a\u7fa9\u4e00\u500b\u985e\uff0c\u4e26\u5c07\u5176\u5b9a\u7fa9\u70ba\u55ae\u4f8b\uff1a<\/p>\n

\nclass Singleton {\n    private static instance: Singleton;\n\n    private constructor() {\n        \/\/ \u79c1\u6709\u69cb\u9020\u51fd\u6578\uff0c\u4f7f\u5176\u7121\u6cd5\u5728\u5916\u90e8\u5be6\u4f8b\u5316\n    }\n\n    public static getInstance(): Singleton {\n        if (!Singleton.instance) {\n            Singleton.instance = new Singleton();\n        }\n        return Singleton.instance;\n    }\n}\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba Singleton \u7684\u985e\uff0c\u4e26\u5c07\u5176\u5b9a\u7fa9\u70ba\u55ae\u4f8b\u3002\u6211\u5011\u5c07\u69cb\u9020\u51fd\u6578\u5b9a\u7fa9\u70ba\u79c1\u6709\uff0c\u4ee5\u78ba\u4fdd\u5916\u90e8\u7121\u6cd5\u5be6\u4f8b\u5316\u8a72\u985e\u3002\u7136\u5f8c\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u975c\u614b\u65b9\u6cd5 getInstance()\uff0c\u8a72\u65b9\u6cd5\u5c07\u8fd4\u56de Singleton \u985e\u7684\u552f\u4e00\u5be6\u4f8b\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u8a0e\u8ad6\u4e86 TypeScript \u7c7b(classes)\u7684\u5355\u4f8b\u6a21\u5f0f\u3002\u6211\u5011\u4e86\u89e3\u5230\uff0c\u5355\u4f8b\u6a21\u5f0f\u662f\u4e00\u7a2e\u8a2d\u8a08\u6a21\u5f0f\uff0c\u5b83\u78ba\u4fdd\u5728\u4e00\u500b\u61c9\u7528\u7a0b\u5f0f\u4e2d\u53ea\u6709\u4e00\u500b\u7279\u5b9a\u7684\u5be6\u4f8b\u5b58\u5728\u3002\u6211\u5011\u9084\u5b78\u7fd2\u4e86\u5982\u4f55\u4f7f\u7528 TypeScript \u7c7b(classes)\u4f86\u5be6\u73fe\u5355\u4f8b\u6a21\u5f0f\uff0c\u4ee5\u78ba\u4fdd\u5728\u6574\u500b\u61c9\u7528\u7a0b\u5f0f\u4e2d\u53ea\u6709\u4e00\u500b\u7279\u5b9a\u7684\u5be6\u4f8b\u5b58\u5728\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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