\u4e4b\u524d\u5b66Python\u548cJavaScript\u7684\u65f6\u5019\uff0c\u6211\u5c31\u6ce8\u610f\u5230\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662fJavaScript\u80fd\u591f\u76f4\u63a5\u5728\u4e0d\u5b9a\u4e49\u7c7b\u7684\u60c5\u51b5\u4e0b\u76f4\u63a5\u5b9a\u4e49\u4e00\u4e2a\u5bf9\u8c61\u3002<\/p>\n\n\n\n
\u8bf4\u6765\u4e5f\u6709\u8da3\uff0c\u6211\u6700\u5f00\u59cb\u63a5\u89e6\u7684\u662fPython,\u4f46\u5728\u90a3\u91cc\u591a\u4fee\u9762\u5411\u8fc7\u7a0b\u7684\u601d\u7ef4\uff0c\u540e\u6765\u4e86\u89e3\u5230JavaScript,\u624d\u771f\u6b63\u610f\u4e49\u4e0a\u7406\u89e3\u4e86\u4ec0\u4e48\u53eb\u505a\u9762\u5411\u5bf9\u8c61\u3002\u5f53\u65f6\u7684\u7406\u89e3\u5c31\u662f\u4ee5\u5bf9\u8c61\u4e3a\u57fa\u7840\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u5305\u542b\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5c06\u6709\u5171\u540c\u7279\u5f81\u7684\u5bf9\u8c61\u62bd\u8c61\u4e3a\u7c7b\u3002\u800c\u5728\u5b9e\u9645\u7f16\u5199\u4ee3\u7801\u7684\u65f6\u5019\uff0c\u7f16\u5199\u4e00\u4e2a\u7c7b\uff0c\u901a\u8fc7\u7c7b\u5b9a\u4e49\u4e00\u4e2a\u5bf9\u8c61\uff0c\u901a\u8fc7\u64cd\u7eb5\u5c5e\u6027\u548c\u65b9\u6cd5\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u529f\u80fd\u3002\u8fd9\u4e9b\u672c\u662f\u5b66JavaScript\u7684\u65f6\u5019\u6df1\u523b\u638c\u63e1\u7684\uff0c\u4f46\u540e\u6765\u5b66\u5230\u4e86JavaScript\u53ef\u4ee5\u5728\u4e0d\u5b9a\u4e00\u7c7b\u7684\u60c5\u51b5\u4e0b\u5b9a\u4e49\u5bf9\u8c61\u3002\u4e4b\u524d\u6ca1\u6709\u7ec6\u60f3\uff0c\u53ea\u4ee5\u4e3a\u662fJavaScript\u5355\u72ec\u652f\u6301\u7684\u4e00\u4e2a\u529f\u80fd\u3002\u76f4\u5230\u6211\u610f\u5916\u7684\u8ddf\u8c46\u5305\u804a\u5929\uff0c\u624d\u6709\u4e86\u4ee5\u4e0b\u7684\u77e5\u8bc6\u70b9\u3002<\/p>\n\n\n\n
\u7c7b\u5f0f\u9762\u5411\u5bf9\u8c61 vs \u57fa\u4e8e\u539f\u578b\u7684\u9762\u5411\u5bf9\u8c61<\/p>\n\n\n\n
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1. \u7c7b\u5f0f\u9762\u5411\u5bf9\u8c61\uff08Class-based OOP\uff09<\/p>\n\n\n\n
\u6838\u5fc3\uff1a\u4ee5\u7c7b\uff08Class\uff09 \u4e3a\u6a21\u677f \/ \u84dd\u56fe\uff0c\u5bf9\u8c61\uff08\u5b9e\u4f8b\uff09\u662f\u7c7b\u7684\u5b9e\u4f8b\u5316\u4ea7\u7269\uff0c\u7ee7\u627f\u662f\u7c7b\u4e0e\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\uff08\u5b50\u7c7b\u7ee7\u627f\u7236\u7c7b\uff09\u3002\u903b\u8f91\uff1a\u5148\u5b9a\u4e49\u7c7b\uff08\u89c4\u5b9a\u5c5e\u6027\u548c\u65b9\u6cd5\uff09\uff0c\u518d\u901a\u8fc7\u7c7b\u521b\u5efa\u5bf9\u8c61\uff0c\u6240\u6709\u5bf9\u8c61\u5171\u4eab\u7c7b\u7684\u65b9\u6cd5\uff0c\u5c5e\u6027\u662f\u6bcf\u4e2a\u5bf9\u8c61\u7684\u72ec\u6709\u6570\u636e\u3002\u5178\u578b\u8bed\u8a00\uff1aJava\u3001C++\u3001Python\u3001C#\u3002<\/p>\n\n\n\n
2. \u57fa\u4e8e\u539f\u578b\u7684\u9762\u5411\u5bf9\u8c61\uff08Prototype-based OOP\uff09\u6838\u5fc3\uff1a\u6ca1\u6709\u7c7b\u7684\u6982\u5ff5\uff08ES6 \u7684class\u662f\u8bed\u6cd5\u7cd6\uff09\uff0c\u76f4\u63a5\u521b\u5efa\u5bf9\u8c61\uff0c\u7ee7\u627f\u662f\u5bf9\u8c61\u4e0e\u5bf9\u8c61\u4e4b\u95f4\u7684\u5173\u7cfb\uff08\u4e00\u4e2a\u5bf9\u8c61\u7ee7\u627f\u53e6\u4e00\u4e2a\u5bf9\u8c61\uff0c\u88ab\u7ee7\u627f\u7684\u5bf9\u8c61\u53eb\u539f\u578b\uff08Prototype\uff09\uff09\u3002\u903b\u8f91\uff1a\u6240\u6709\u5bf9\u8c61\u90fd\u662f \u201c\u539f\u578b\u5bf9\u8c61\u201d \u7684\u526f\u672c\uff0c\u5c5e\u6027 \/ \u65b9\u6cd5\u901a\u8fc7\u539f\u578b\u94fe\u4ece\u539f\u578b\u5bf9\u8c61\u7ee7\u627f\uff0c\u60f3\u521b\u5efa\u76f8\u4f3c\u5bf9\u8c61\uff0c\u76f4\u63a5\u57fa\u4e8e\u5df2\u6709\u5bf9\u8c61\uff08\u539f\u578b\uff09\u514b\u9686\u5373\u53ef\u3002\u5178\u578b\u8bed\u8a00\uff1aJavaScript\u3001Lua\u3002<\/p>\n\n\n\n
\u4e8c\u3001\u901a\u4fd7\u5bf9\u6bd4\uff08\u4e00\u53e5\u8bdd\u7406\u89e3\uff09<\/p>\n\n\n\n
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\u56db\u3001JavaScript \u539f\u578b\u5f0f\u7684\u300c\u8bed\u6cd5\u7cd6\u9677\u9631\u300d<\/p>\n\n\n\n
\u5f88\u591a\u4eba\u8bef\u4ee5\u4e3a JS \u662f\u7c7b\u5f0f\uff0c\u56e0\u4e3a ES6 \u65b0\u589e\u4e86class\/extends\uff0c\u4f46\u8fd9\u53ea\u662f\u539f\u578b\u94fe\u7684\u8bed\u6cd5\u7cd6\uff0c\u5e95\u5c42\u4f9d\u7136\u662f\u5bf9\u8c61\u7ee7\u627f\u5bf9\u8c61\uff0c\u6ca1\u6709\u771f\u6b63\u7684\u7c7b\u3002JS \u539f\u578b\u5f0f\u6838\u5fc3\u7279\u5f81\uff08\u5bf9\u6bd4 Python\uff09\uff1aES5 \u65e0class\uff0c\u76f4\u63a5\u521b\u5efa\u5bf9\u8c61\uff0c\u901a\u8fc7Object.create(\u539f\u578b\u5bf9\u8c61)\u5b9e\u73b0\u7ee7\u627f\uff1bES6 class A extends B\uff0c\u5e95\u5c42\u662fA.prototype = Object.create(B.prototype)\uff0c\u672c\u8d28\u8fd8\u662f\u539f\u578b\u5bf9\u8c61\u7684\u7ee7\u627f\uff1b\u6240\u6709\u51fd\u6570\uff08\u5305\u62ec\u6784\u9020\u51fd\u6570\uff09\u6709prototype\uff08\u539f\u578b\u5bf9\u8c61\uff09\uff0c\u6240\u6709\u5bf9\u8c61\u6709__proto__\uff0c\u6307\u5411\u5176\u539f\u578b\u5bf9\u8c61\uff0c\u539f\u578b\u94fe\u5c31\u662f__proto__\u7684\u94fe\u5f0f\u5f15\u7528\u3002ES6 class \u5e95\u5c42\u539f\u578b\u94fe\u793a\u4f8b\uff1a<\/p>\n\n\n\n
javascriptclass Phone { call() { console.log(\"\u6253\u7535\u8bdd\") } }\nclass SmartPhone extends Phone { surf() { console.log(\"\u4e0a\u7f51\") } }\nconst sp = new SmartPhone();\nsp.call(); \/\/ \u7ee7\u627f\u7684\u65b9\u6cd5\/\/ \u5e95\u5c42\u8fd8\u662f\u539f\u578b\u94fe\uff08\u7c7b\u5f0f\u8bed\u6cd5\u7cd6\u7684\u672c\u8d28\uff09\nconsole.log(sp.__proto__ === SmartPhone.prototype); \/\/ trueconsole.log(SmartPhone.prototype.__proto__ === Phone.prototype); \/\/ true<\/code><\/pre>\n\n\n\n\u5982\u679c\u53bb\u6389\u8bed\u6cd5\u7cd6\uff0cES5 \u76f4\u63a5\u7528\u539f\u578b\u5b9e\u73b0\uff0c\u66f4\u80fd\u4f53\u73b0\u672c\u8d28 <\/p>\n\n\n\n
javascript\/\/ \u539f\u578b\u5bf9\u8c61\nconst PhoneProto = { call() { console.log(\"\u6253\u7535\u8bdd\") } };\/\/ \u65b0\u5bf9\u8c61\u7ee7\u627f\u539f\u578b\u5bf9\u8c61\nconst p = Object.create(PhoneProto);\np.call(); \/\/ \u7ee7\u627f\u539f\u578b\u7684\u65b9\u6cd5<\/code><\/pre>\n\n\n\n\u516d\u3001\u5173\u952e\u7ed3\u8bba<\/p>\n\n\n\n
\u7c7b\u5f0f\u548c\u539f\u578b\u5f0f\u662fOOP \u7684\u4e24\u79cd\u5b9e\u73b0\u6a21\u578b\uff0c\u65e0\u4f18\u52a3\uff0c\u6700\u7ec8\u90fd\u80fd\u5b9e\u73b0\u4e09\u5927\u7279\u6027\uff0c\u53ea\u662f\u5e95\u5c42\u903b\u8f91\u4e0d\u540c\uff1bPython \u662f\u7eaf\u7c7b\u5f0f\uff0c\u7c7b\u662f\u539f\u751f\u6838\u5fc3\u6982\u5ff5\uff0c\u5bf9\u8c61\u5fc5\u987b\u7531\u7c7b\u521b\u5efa\uff0c\u7ee7\u627f\u662f\u7c7b\u7ea7\u5173\u7cfb\uff1bJS \u662f\u7eaf\u539f\u578b\u5f0f\uff0cES6 \u7684class\u53ea\u662f\u8bed\u6cd5\u7cd6\uff0c\u5e95\u5c42\u65e0\u7c7b\uff0c\u4e00\u5207\u56f4\u7ed5\u5bf9\u8c61\u548c\u539f\u578b\u94fe\uff0c\u7ee7\u627f\u662f\u5bf9\u8c61\u7ea7\u5173\u7cfb\uff1b\u533a\u5206\u7684\u5173\u952e\uff1a\u662f\u5426\u6709\u300c\u539f\u751f\u7684\u3001\u4f5c\u4e3a\u6a21\u677f\u7684\u7c7b\u300d \u2014\u2014 \u6709\u5219\u662f\u7c7b\u5f0f\uff0c\u65e0\u5219\u662f\u539f\u578b\u5f0f\u3002<\/p>\n\n\n\n
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