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\u7c7b\u53ea\u4e0d\u8fc7\u662f\u8bed\u6cd5\u7cd6<\/strong><\/div>\n
jS \u6ca1\u6709\u5b8c\u5168\u7684 OOP \u652f\u6301\uff0c\u5b83\u4ece\u6765\u6ca1\u6709\uff0c\u8fd9\u662f\u56e0\u4e3a\u5b83\u4ece\u6765\u90fd\u4e0d\u9700\u8981\u5b83\u3002<\/p>\n
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\u6211\u4eec\u53ef\u4ee5\u4e3a\u5c5e\u6027\u5b9a\u4e49getter\u548csetter\u3002<\/ol>\n
\u6211\u4eec\u53ef\u4ee5\u5b9e\u4f8b\u5316\u7c7b\u3002<\/ol>\n
\u90a3\u4e48\u4e3a\u4ec0\u4e48\u6211\u8bf4\u7c7b\u662f\u8bed\u6cd5\u7cd6\u5462?\u56e0\u4e3a\u5c3d\u7ba1\u5728\u8868\u9762\u4e0a\uff0c\u5b83\u4eec\u770b\u8d77\u6765\u662f\u975e\u5e38\u9762\u5411\u5bf9\u8c61\u7684\uff0c\u4f46\u662f\u5982\u679c\u6211\u4eec\u8bd5\u56fe\u505a\u4e00\u4e9b\u8d85\u51fa\u5b83\u4eec\u53ef\u80fd\u7684\u4e8b\u60c5\uff0c\u6bd4\u5982\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u6269\u5c55\u4e24\u4e2a\u7c7b(\u76ee\u524d\u4e0d\u53ef\u80fd\u7684\u4e8b\u60c5)\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528\u4e0b\u9762\u7684\u4ee3\u7801<\/p>\n
\/\/ \u8f85\u52a9\u51fd\u6570 \r\nfunction applyMixins(derivedCtor, baseCtors) { \r\n baseCtors.forEach(baseCtor => { \r\n Object.getOwnPropertyNames(baseCtor.prototype).forEach(name => { \r\n let descriptor = Object.getOwnPropertyDescriptor(baseCtor.prototype, name) \r\n Object.defineProperty(derivedCtor.prototype, name, descriptor); \r\n }); \r\n }); \r\n} \r\n \r\nclass A { \r\n methodA () { \r\n console.log('A') \r\n } \r\n} \r\n \r\nclass B { \r\n methodB () { \r\n console.log('B') \r\n } \r\n} \r\n \r\nclass C { \r\n \r\n} \r\n\/\/ \u4f7f\u7528 mixins\r\n<\/pre>\n
\u6211\u4eec\u9700\u8981\u8fd9\u6837\u505a\uff0c\u56e0\u4e3a\u5728JS\u4e2d\u6211\u4eec\u65e0\u6cd5\u7f16\u5199\uff1a<\/p>\n
class A { \r\n \r\n methodA(){ \r\n console.log(\"A\") \r\n } \r\n} \r\n \r\nclass B { \r\n \r\n methodB(){ \r\n console.log(\"B\") \r\n } \r\n} \r\n \r\nclass C extends A, B { \r\n \r\n}\r\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u5173\u952e\u90e8\u5206\u5e94\u8be5\u662fapplyMixins\u51fd\u6570\u3002\u5982\u679c\uff0c\u4f60\u6ca1\u6709\u5b8c\u5168\u7406\u89e3\u5b83\u8bd5\u56fe\u505a\u4ec0\u4e48\uff0c\u4f46\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u5230\u5b83\u6b63\u5728\u8bbf\u95ee\u6240\u6709\u7c7b\u7684\u539f\u578b\u5c5e\u6027\u6765\u590d\u5236\u548c\u91cd\u65b0\u5206\u914d\u65b9\u6cd5\u548c\u5c5e\u6027\u3002\u8fd9\u5c31\u662f\u6211\u4eec\u9700\u8981\u770b\u5230\u771f\u76f8\u7684\u5730\u65b9:\u7c7b\u53ea\u4e0d\u8fc7\u662f\u5728\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u539f\u578b\u7ee7\u627f\u6a21\u578b\u4e4b\u4e0a\u7684\u8bed\u6cd5\u7cd6\u3002<\/p>\n
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JS \u7684OOP \u6a21\u578b\u7f3a\u5931\u4e86\u4ec0\u4e48\u5462?<\/strong><\/div>\n
\u5982\u679c\u6211\u4eec\u5f53\u524d\u7684OOP\u6a21\u578b\u662f\u5982\u6b64\u4e4b\u8584\uff0c\u4ec5\u662f\u539f\u578b\u7ee7\u627f\u7684\u62bd\u8c61\u5c42\uff0c\u90a3\u4e48\u6211\u4eec\u5230\u5e95\u7f3a\u5c11\u4ec0\u4e48\u5462?\u662f\u4ec0\u4e48\u8ba9JS\u771f\u6b63\u6210\u4e3aOOP?<\/p>\n
\u770b\u8fd9\u4e2a\u95ee\u9898\u7684\u4e00\u4e2a\u597d\u65b9\u6cd5\u5c31\u662f\u770b\u770bTypeScript\u5728\u505a\u4ec0\u4e48\u3002\u8be5\u8bed\u8a00\u80cc\u540e\u7684\u56e2\u961f\u901a\u8fc7\u521b\u5efa\u4e00\u4e9b\u53ef\u4ee5\u7ffb\u8bd1\u6210JS\u7684\u4e1c\u897f\uff0c\u65e0\u7591\u5c06 JS \u63a8\u5411\u4e86\u6781\u9650\u3002\u8fd9\u53cd\u8fc7\u6765\u4e5f\u9650\u5236\u4e86\u5b83\u4eec\u7684\u80fd\u529b\u3002<\/p>\n
\u76ee\u524d JS \u4e2d\u7f3a\u5931\u7684\u4e00\u4e9bOOP\u6784\u9020\u5177\u6709\u5185\u5728\u7684\u7c7b\u578b\u68c0\u67e5\u529f\u80fd\uff0c\u5728\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\u4e2d\u6ca1\u6709\u771f\u6b63\u7684\u610f\u4e49\uff0c\u8fd9\u53ef\u80fd\u662f\u5b83\u4eec\u8fd8\u6ca1\u6709\u88ab\u6dfb\u52a0\u7684\u539f\u56e0\u3002<\/p>\n
\u63a5\u53e3<\/strong><\/div>\n
\u63a5\u53e3\u53ef\u5e2e\u52a9\u5b9a\u4e49\u7c7b\u5e94\u9075\u5faa\u7684API\u3002\u63a5\u53e3\u7684\u4e3b\u8981\u597d\u5904\u4e4b\u4e00\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u5b9e\u73b0\u76f8\u540c\u63a5\u53e3\u7684\u4efb\u4f55\u7c7b\u7684\u53d8\u91cf\uff0c\u7136\u540e\u5b89\u5168\u5730\u8c03\u7528\u5176\u4efb\u4f55\u65b9\u6cd5\u3002<\/p>\n
interface Animal { \r\n speak() \r\n} \r\n \r\nclass Dog implements Animal{ \r\n speak() { \r\n console.log(\"Woof!\") \r\n } \r\n} \r\n \r\nclass Cat implements Animal{ \r\n speak() { \r\n console.log(\"Meau!\") \r\n } \r\n} \r\n \r\nclass Human implements Animal{ \r\n speak() { \r\n console.log(\"Hey dude, what's up?\") \r\n } \r\n} \r\n<\/pre>\n
\/\/\u5982\u679c\u6211\u4eec\u5728JS\u4e2d\u6709\u63a5\u53e3\uff0c\u6211\u4eec\u53ef\u4ee5\u653e\u5fc3\u5730\u505a\uff1a
\nlet objects = [new Dog(), new Cat(), new Human()]
\nobjects.forEach(o => o.speak())
\n\u5f53\u7136\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49speak\u65b9\u6cd5\u5e76\u8986\u76d6\u5b83\u7684\u7c7b\u6765\u5b9e\u73b0\u540c\u6837\u7684\u76ee\u7684\uff0c\u4f46\u63a5\u53e3\u66f4\u52a0\u6e05\u6670\u548c\u4f18\u96c5\u3002<\/p>\n
\u62bd\u8c61\u7c7b<\/strong><\/div>\n
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\u9759\u6001\u591a\u6001<\/strong><\/div>\n
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$\"\"$ <\/p>\n
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