{"id":4958,"date":"2023-01-05T11:27:22","date_gmt":"2023-01-05T03:27:22","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4958"},"modified":"2023-01-05T11:27:22","modified_gmt":"2023-01-05T03:27:22","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e6%8e%a5%e5%8f%a3interfaces","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%e6%8e%a5%e5%8f%a3interfaces\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u63a5\u53e3(interfaces)"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, Interfaces, Syntax\"><\/p>\n<h1>\u4f7f\u7528 TypeScript \u63a5\u53e3(interfaces)\u7684\u8a9e\u6cd5<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u63a5\u53e3(interfaces)\u3002\u63a5\u53e3\u662f\u4e00\u7a2e\u8a9e\u6cd5\uff0c\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u7269\u4ef6\u7684\u7d50\u69cb\uff0c\u4ee5\u53ca\u5b9a\u7fa9\u51fd\u6578\u7684\u53c3\u6578\u548c\u56de\u50b3\u503c\u7684\u985e\u578b\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u63a5\u53e3\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d50\u69cb\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: typescript\">\ninterface Person {\n  name: string;\n  age: number;\n}\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u5b9a\u7fa9\u4e86\u4e00\u500b Person \u63a5\u53e3\uff0c\u5b83\u6709\u5169\u500b\u5c6c\u6027\uff1aname \u548c age\uff0c\u5206\u5225\u662f\u5b57\u4e32\u548c\u6578\u5b57\u3002<\/p>\n<p>\u63a5\u53e3\u4e5f\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u51fd\u6578\u7684\u53c3\u6578\u548c\u56de\u50b3\u503c\u7684\u985e\u578b\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: typescript\">\ninterface SumFunc {\n  (a: number, b: number): number;\n}\n\nlet sum: SumFunc = (a: number, b: number): number => {\n  return a + b;\n};\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u5b9a\u7fa9\u4e86\u4e00\u500b SumFunc \u63a5\u53e3\uff0c\u5b83\u63a5\u53d7\u5169\u500b\u6578\u5b57\u53c3\u6578\uff0c\u4e26\u56de\u50b3\u4e00\u500b\u6578\u5b57\u3002<\/p>\n<p>\u4f7f\u7528 TypeScript 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