{"id":53559,"date":"2024-12-03T12:47:02","date_gmt":"2024-12-03T04:47:02","guid":{"rendered":"https:\/\/fwq.ai\/blog\/53559\/"},"modified":"2024-12-03T12:47:02","modified_gmt":"2024-12-03T04:47:02","slug":"%e6%8f%90%e5%8d%87%e6%82%a8%e7%9a%84-javascript%ef%bc%9a%e6%8e%8c%e6%8f%a1%e9%9d%a2%e5%90%91%e6%96%b9%e9%9d%a2%e7%9a%84%e7%bc%96%e7%a8%8b%e4%bb%a5%e8%8e%b7%e5%be%97%e6%9b%b4%e7%ae%80%e6%b4%81%e3%80%81","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/53559\/","title":{"rendered":"\u63d0\u5347\u60a8\u7684 JavaScript\uff1a\u638c\u63e1\u9762\u5411\u65b9\u9762\u7684\u7f16\u7a0b\u4ee5\u83b7\u5f97\u66f4\u7b80\u6d01\u3001\u66f4\u5f3a\u5927\u7684\u4ee3\u7801"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u63d0\u5347\u60a8\u7684 JavaScript\uff1a\u638c\u63e1\u9762\u5411\u65b9\u9762\u7684\u7f16\u7a0b\u4ee5\u83b7\u5f97\u66f4\u7b80\u6d01\u3001\u66f4\u5f3a\u5927\u7684\u4ee3\u7801<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span>    <\/p>\n<p><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u63d0\u5347\u60a8\u7684 JavaScript\uff1a\u638c\u63e1\u9762\u5411\u65b9\u9762\u7684\u7f16\u7a0b\u4ee5\u83b7\u5f97\u66f4\u7b80\u6d01\u3001\u66f4\u5f3a\u5927\u7684\u4ee3\u7801\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241202\/1733098369674cfb814f3a6.jpg\" class=\"aligncenter\" title=\"\u63d0\u5347\u60a8\u7684 JavaScript\uff1a\u638c\u63e1\u9762\u5411\u65b9\u9762\u7684\u7f16\u7a0b\u4ee5\u83b7\u5f97\u66f4\u7b80\u6d01\u3001\u66f4\u5f3a\u5927\u7684\u4ee3\u7801\u63d2\u56fe\" alt=\"\u63d0\u5347\u60a8\u7684 JavaScript\uff1a\u638c\u63e1\u9762\u5411\u65b9\u9762\u7684\u7f16\u7a0b\u4ee5\u83b7\u5f97\u66f4\u7b80\u6d01\u3001\u66f4\u5f3a\u5927\u7684\u4ee3\u7801\u63d2\u56fe\" \/><\/p>\n<p>javascript \u4e2d\u7684\u9762\u5411\u65b9\u9762\u7f16\u7a0b (aop) \u5bf9\u4e8e\u5e0c\u671b\u7f16\u5199\u66f4\u7b80\u6d01\u3001\u66f4\u6613\u4e8e\u7ef4\u62a4\u7684\u4ee3\u7801\u7684\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u662f\u4e00\u4e2a\u6e38\u620f\u89c4\u5219\u6539\u53d8\u8005\u3002\u6211\u6700\u8fd1\u4e00\u76f4\u5728\u63a2\u7d22\u8fd9\u4e2a\u8303\u4f8b\uff0c\u6211\u5f88\u9ad8\u5174\u5206\u4eab\u6211\u6240\u5b66\u5230\u7684\u4e1c\u897f\u3002<\/p>\n<p>\u4ece\u672c\u8d28\u4e0a\u8bb2\uff0caop \u662f\u5c06\u6a2a\u5207\u5173\u6ce8\u70b9\u4e0e\u4e3b\u8981\u4e1a\u52a1\u903b\u8f91\u5206\u79bb\u3002\u60f3\u4e00\u60f3\u90a3\u4e9b\u5f80\u5f80\u4f1a\u5206\u6563\u5728\u4ee3\u7801\u5e93\u4e2d\u7684\u70e6\u4eba\u7684\u4efb\u52a1\uff0c\u4f8b\u5982\u65e5\u5fd7\u8bb0\u5f55\u3001\u9519\u8bef\u5904\u7406\u6216\u6027\u80fd\u76d1\u63a7\u3002 aop \u53ef\u8ba9\u60a8\u4ee5\u96c6\u4e2d\u7684\u65b9\u5f0f\u5904\u7406\u8fd9\u4e9b\u95ee\u9898\uff0c\u4f7f\u60a8\u7684\u6838\u5fc3\u529f\u80fd\u96c6\u4e2d\u4e14\u6574\u6d01\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u6df1\u5165\u7814\u7a76\u4e00\u4e9b\u5728 javascript \u4e2d\u5b9e\u73b0 aop \u7684\u5b9e\u7528\u65b9\u6cd5\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7684\u6700\u5f3a\u5927\u7684\u5de5\u5177\u4e4b\u4e00\u662f\u4ee3\u7406\u5bf9\u8c61\u3002\u5b83\u5141\u8bb8\u6211\u4eec\u62e6\u622a\u548c\u81ea\u5b9a\u4e49\u5bf9\u5bf9\u8c61\u7684\u64cd\u4f5c\u3002\u8fd9\u662f\u6211\u4eec\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u5411\u51fd\u6570\u6dfb\u52a0\u65e5\u5fd7\u8bb0\u5f55\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<pre>function createloggingproxy(target) {\n  return new proxy(target, {\n    apply: function(target, thisarg, argumentslist) {\n      console.log(`calling function with arguments: ${argumentslist}`);\n      const result = target.apply(thisarg, argumentslist);\n      console.log(`function returned: ${result}`);\n      return result;\n    }\n  });\n}\n\nfunction add(a, b) {\n  return a + b;\n}\n\nconst loggedadd = createloggingproxy(add);\nconsole.log(loggedadd(2, 3)); \/\/ logs function call and result\n<\/pre>\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u88c5 add \u51fd\u6570\u7684\u4ee3\u7406\u3002\u6bcf\u6b21\u8c03\u7528\u8be5\u51fd\u6570\u65f6\uff0c\u5b83\u90fd\u4f1a\u8bb0\u5f55\u53c2\u6570\u548c\u7ed3\u679c\u3002\u8fd9\u662f\u4e00\u79cd\u7b80\u5355\u4f46\u529f\u80fd\u5f3a\u5927\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u539f\u59cb\u529f\u80fd\u7684\u60c5\u51b5\u4e0b\u6dfb\u52a0\u65e5\u5fd7\u8bb0\u5f55\u3002<\/p>\n<p>\u5728 javascript \u4e2d\u5b9e\u73b0 aop \u7684\u53e6\u4e00\u79cd\u6280\u672f\u662f\u4f7f\u7528\u88c5\u9970\u5668\u3002\u867d\u7136\u88c5\u9970\u5668\u5c1a\u672a\u6b63\u5f0f\u6210\u4e3a\u8be5\u8bed\u8a00\u7684\u4e00\u90e8\u5206\uff0c\u4f46\u5b83\u4eec\u5e7f\u6cdb\u7528\u4e8e babel \u7b49\u8f6c\u8bd1\u5668\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528\u88c5\u9970\u5668\u5411\u65b9\u6cd5\u6dfb\u52a0\u6027\u80fd\u76d1\u63a7\uff1a<\/p>\n<pre>function measureperformance(target, name, descriptor) {\n  const originalmethod = descriptor.value;\n  descriptor.value = function(...args) {\n    const start = performance.now();\n    const result = originalmethod.apply(this, args);\n    const end = performance.now();\n    console.log(`${name} took ${end - start} milliseconds`);\n    return result;\n  };\n  return descriptor;\n}\n\nclass calculator {\n  @measureperformance\n  complexcalculation(x, y) {\n    \/\/ simulating a time-consuming operation\n    let result = 0;\n    for (let i = 0; i &lt; 1000000; i++) {\n      result += x * y;\n    }\n    return result;\n  }\n}\n\nconst calc = new calculator();\ncalc.complexcalculation(2, 3);\n<\/pre>\n<p>\u8fd9\u4e2a\u88c5\u9970\u5668\u5305\u88c5\u4e86\u6211\u4eec\u7684\u65b9\u6cd5\u5e76\u6d4b\u91cf\u6267\u884c\u6240\u9700\u7684\u65f6\u95f4\u3002\u8fd9\u662f\u8bc6\u522b\u4ee3\u7801\u4e2d\u6027\u80fd\u74f6\u9888\u7684\u597d\u65b9\u6cd5\u3002<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u6765\u8c08\u8c08\u5b89\u5168\u68c0\u67e5\u3002 aop \u5bf9\u4e8e\u5411\u654f\u611f\u64cd\u4f5c\u6dfb\u52a0\u6388\u6743\u68c0\u67e5\u975e\u5e38\u6709\u7528\u3002\u8fd9\u662f\u4f7f\u7528\u9ad8\u9636\u51fd\u6570\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>function requiresauth(role) {\n  return function(target, name, descriptor) {\n    const originalmethod = descriptor.value;\n    descriptor.value = function(...args) {\n      if (!currentuser.hasrole(role)) {\n        throw new error('unauthorized');\n      }\n      return originalmethod.apply(this, args);\n    };\n    return descriptor;\n  };\n}\n\nclass bankaccount {\n  @requiresauth('admin')\n  transferfunds(amount, destination) {\n    \/\/ transfer logic here\n  }\n}\n<\/pre>\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u88c5\u9970\u5668\uff0c\u7528\u4e8e\u5728\u5141\u8bb8\u65b9\u6cd5\u6267\u884c\u4e4b\u524d\u68c0\u67e5\u5f53\u524d\u7528\u6237\u662f\u5426\u5177\u6709\u6240\u9700\u7684\u89d2\u8272\u3002\u8fd9\u4f7f\u6211\u4eec\u7684\u4e1a\u52a1\u903b\u8f91\u4fdd\u6301\u5e72\u51c0\u5e76\u96c6\u4e2d\u6211\u4eec\u7684\u6388\u6743\u68c0\u67e5\u3002<\/p>\n<p>aop \u6700\u9177\u7684\u4e8b\u60c5\u4e4b\u4e00\u662f\u5b83\u5982\u4f55\u5141\u8bb8\u6211\u4eec\u5728\u8fd0\u884c\u65f6\u4fee\u6539\u884c\u4e3a\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u5411\u73b0\u6709\u5bf9\u8c61\u6dfb\u52a0\u529f\u80fd\uff0c\u800c\u65e0\u9700\u66f4\u6539\u5176\u4ee3\u7801\u3002\u8fd9\u662f\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<pre>function addlogging(obj) {\n  object.keys(obj).foreach(key =&gt; {\n    if (typeof obj[key] === 'function') {\n      const originalmethod = obj[key];\n      obj[key] = function(...args) {\n        console.log(`calling ${key} with arguments:`, args);\n        const result = originalmethod.apply(this, args);\n        console.log(`${key} returned:`, result);\n        return result;\n      };\n    }\n  });\n  return obj;\n}\n\nconst myobj = {\n  add(a, b) { return a + b; },\n  subtract(a, b) { return a - b; }\n};\n\naddlogging(myobj);\n\nmyobj.add(2, 3); \/\/ logs function call and result\nmyobj.subtract(5, 2); \/\/ logs function call and result\n<\/pre>\n<p>\u6b64\u51fd\u6570\u5411\u5bf9\u8c61\u7684\u6240\u6709\u65b9\u6cd5\u6dfb\u52a0\u65e5\u5fd7\u8bb0\u5f55\u3002\u8fd9\u662f\u4e00\u79cd\u5411\u73b0\u6709\u4ee3\u7801\u6dfb\u52a0\u6a2a\u5207\u5173\u6ce8\u70b9\u800c\u65e0\u9700\u76f4\u63a5\u4fee\u6539\u7684\u5f3a\u5927\u65b9\u6cd5\u3002<\/p>\n<p>\u4f7f\u7528 aop \u65f6\uff0c\u6ce8\u610f\u6027\u80fd\u975e\u5e38\u91cd\u8981\u3002\u867d\u7136\u8fd9\u4e9b\u6280\u672f\u53ef\u4ee5\u4f7f\u60a8\u7684\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u5e76\u4e14\u66f4\u6613\u4e8e\u7ef4\u62a4\uff0c\u4f46\u5b83\u4eec\u4e5f\u4f1a\u5e26\u6765\u5f00\u9500\u3002\u59cb\u7ec8\u5206\u6790\u60a8\u7684\u4ee3\u7801\uff0c\u4ee5\u786e\u4fdd\u6536\u76ca\u8d85\u8fc7\u4efb\u4f55\u6027\u80fd\u6210\u672c\u3002<\/p>\n<p>aop \u771f\u6b63\u53d1\u6325\u4f5c\u7528\u7684\u4e00\u4e2a\u9886\u57df\u662f\u6d4b\u8bd5\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u6a21\u62df\u4f9d\u8d56\u9879\u3001\u6a21\u62df\u9519\u8bef\u6216\u5728\u6d4b\u8bd5\u671f\u95f4\u6dfb\u52a0\u8c03\u8bd5\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528 aop \u6a21\u62df api \u8c03\u7528\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>function mockapi(target, name, descriptor) {\n  const originalmethod = descriptor.value;\n  descriptor.value = function(...args) {\n    if (process.env.node_env === 'test') {\n      console.log(`mocking api call to ${name}`);\n      return promise.resolve({ data: 'mocked data' });\n    }\n    return originalmethod.apply(this, args);\n  };\n  return descriptor;\n}\n\nclass userservice {\n  @mockapi\n  async fetchuser(id) {\n    const response = await fetch(`\/api\/users\/${id}`);\n    return response.json();\n  }\n}\n<\/pre>\n<p>\u8fd9\u4e2a\u88c5\u9970\u5668\u5728\u6d4b\u8bd5\u671f\u95f4\u7528\u6a21\u62df\u7248\u672c\u66ff\u6362\u5b9e\u9645\u7684 api \u8c03\u7528\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u7f16\u5199\u53ef\u9760\u3001\u5feb\u901f\u8fd0\u884c\u7684\u5355\u5143\u6d4b\u8bd5\u3002<\/p>\n<p>\u5f53\u60a8\u5f00\u59cb\u5728 javascript \u9879\u76ee\u4e2d\u66f4\u591a\u5730\u4f7f\u7528 aop \u65f6\uff0c\u60a8\u53ef\u80fd\u4f1a\u60f3\u8981\u63a2\u7d22\u4e00\u4e9b\u4f7f\u5176\u66f4\u6613\u4e8e\u4f7f\u7528\u7684\u5e93\u3002 aspectjs \u548c meld.js \u662f\u4e24\u4e2a\u6d41\u884c\u7684\u9009\u9879\uff0c\u5b83\u4eec\u4e3a\u5b9e\u73b0 aop \u63d0\u4f9b\u4e86\u4e00\u7ec4\u66f4\u5f3a\u5927\u7684\u5de5\u5177\u3002<\/p>\n<p>\u8bf7\u8bb0\u4f4f\uff0caop \u7684\u76ee\u6807\u662f\u4f7f\u60a8\u7684\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u5e76\u4e14\u66f4\u6613\u4e8e\u7ef4\u62a4\u3002\u8fd9\u5e76\u4e0d\u662f\u8981\u5728\u4efb\u4f55\u5730\u65b9\u4f7f\u7528\u8fd9\u4e9b\u6280\u672f\uff0c\u800c\u662f\u8981\u660e\u667a\u5730\u5c06\u5b83\u4eec\u5e94\u7528\u5230\u53ef\u4ee5\u63d0\u4f9b\u6700\u5927\u6548\u76ca\u7684\u5730\u65b9\u3002\u4ece\u5c0f\u4e8b\u505a\u8d77\uff0c\u4e5f\u8bb8\u53ef\u4ee5\u901a\u8fc7\u5411\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u51e0\u4e2a\u5173\u952e\u529f\u80fd\u6dfb\u52a0\u65e5\u5fd7\u8bb0\u5f55\u6216\u6027\u80fd\u76d1\u63a7\u6765\u5b9e\u73b0\u3002\u968f\u7740\u60a8\u5bf9\u8fd9\u4e9b\u6982\u5ff5\u8d8a\u6765\u8d8a\u719f\u6089\uff0c\u60a8\u53ef\u4ee5\u5f00\u59cb\u63a2\u7d22\u66f4\u9ad8\u7ea7\u7684\u7528\u4f8b\u3002<\/p>\n<p>aop \u4e0e\u5176\u4ed6\u7f16\u7a0b\u8303\u4f8b\u7ed3\u5408\u65f6\u4f1a\u7279\u522b\u5f3a\u5927\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5c06\u5176\u4e0e\u51fd\u6570\u5f0f\u7f16\u7a0b\u7ed3\u5408\u4f7f\u7528\u6765\u521b\u5efa\u7eaf\u51fd\u6570\uff0c\u7136\u540e\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u6216\u9519\u8bef\u5904\u7406\u65b9\u9762\u6765\u5305\u88c5\u8fd9\u4e9b\u51fd\u6570\u3002\u6216\u8005\uff0c\u60a8\u53ef\u4ee5\u5c06\u5176\u4e0e\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e00\u8d77\u4f7f\u7528\uff0c\u5411\u7c7b\u6dfb\u52a0\u884c\u4e3a\uff0c\u800c\u4e0d\u4f1a\u8fdd\u53cd\u5355\u4e00\u8d23\u4efb\u539f\u5219\u3002<\/p>\n<p>aop \u7684\u4e00\u4e2a\u6709\u8da3\u7684\u5e94\u7528\u662f\u521b\u5efa\u7f13\u5b58\u5c42\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5b9e\u73b0\u7b80\u5355\u7684\u7f13\u5b58\u88c5\u9970\u5668\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>function cache(target, name, descriptor) {\n  const originalMethod = descriptor.value;\n  const cacheKey = `__cache_${name}`;\n\n  descriptor.value = function(...args) {\n    if (!this[cacheKey]) {\n      this[cacheKey] = new Map();\n    }\n\n    const key = JSON.stringify(args);\n    if (this[cacheKey].has(key)) {\n      return this[cacheKey].get(key);\n    }\n\n    const result = originalMethod.apply(this, args);\n    this[cacheKey].set(key, result);\n    return result;\n  };\n\n  return descriptor;\n}\n\nclass ExpensiveOperations {\n  @cache\n  fibonacci(n) {\n    if (n &lt;= 1) return n;\n    return this.fibonacci(n - 1) + this.fibonacci(n - 2);\n  }\n}\n\nconst ops = new ExpensiveOperations();\nconsole.time('First call');\nconsole.log(ops.fibonacci(40));\nconsole.timeEnd('First call');\n\nconsole.time('Second call');\nconsole.log(ops.fibonacci(40));\nconsole.timeEnd('Second call');\n<\/pre>\n<p>\u6b64\u7f13\u5b58\u88c5\u9970\u5668\u5b58\u50a8\u51fd\u6570\u8c03\u7528\u7684\u7ed3\u679c\uff0c\u5982\u679c\u518d\u6b21\u63d0\u4f9b\u76f8\u540c\u7684\u8f93\u5165\uff0c\u5219\u8fd4\u56de\u7f13\u5b58\u7684\u7ed3\u679c\u3002\u8fd9\u662f\u4f18\u5316\u6602\u8d35\u8ba1\u7b97\u7684\u597d\u65b9\u6cd5\uff0c\u800c\u4e14\u4e0d\u4f1a\u56e0\u7f13\u5b58\u4ee3\u7801\u800c\u6270\u4e71\u4e3b\u903b\u8f91\u3002<\/p>\n<p>\u5982\u60a8\u6240\u89c1\uff0caop \u4e3a\u7f16\u5199\u66f4\u5e72\u51c0\u3001\u66f4\u6613\u4e8e\u7ef4\u62a4\u7684 javascript \u4ee3\u7801\u5f00\u8f9f\u4e86\u4e00\u4e2a\u53ef\u80fd\u6027\u7684\u4e16\u754c\u3002\u5b83\u4f7f\u6211\u4eec\u80fd\u591f\u5206\u79bb\u5173\u6ce8\u70b9\u3001\u51cf\u5c11\u4ee3\u7801\u91cd\u590d\u5e76\u4ee5\u6a21\u5757\u5316\u65b9\u5f0f\u6dfb\u52a0\u529f\u80fd\u3002\u65e0\u8bba\u60a8\u662f\u5728\u5f00\u53d1\u5c0f\u578b\u9879\u76ee\u8fd8\u662f\u5927\u578b\u5e94\u7528\u7a0b\u5e8f\uff0c\u7ed3\u5408 aop \u6280\u672f\u90fd\u53ef\u4ee5\u5e2e\u52a9\u60a8\u7f16\u5199\u66f4\u597d\u3001\u66f4\u5177\u53ef\u6269\u5c55\u6027\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u8bf7\u8bb0\u4f4f\uff0c\u50cf\u4efb\u4f55\u7f16\u7a0b\u8303\u5f0f\u4e00\u6837\uff0caop \u4e0d\u662f\u7075\u4e39\u5999\u836f\u3002\u5b83\u662f\u60a8\u5de5\u5177\u7bb1\u4e2d\u7684\u4e00\u4e2a\u5de5\u5177\uff0c\u4e86\u89e3\u4f55\u65f6\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u662f\u5173\u952e\u3002\u5f00\u59cb\u5728\u60a8\u81ea\u5df1\u7684\u9879\u76ee\u4e2d\u5c1d\u8bd5\u8fd9\u4e9b\u6280\u672f\uff0c\u60a8\u5f88\u5feb\u5c31\u4f1a\u53d1\u73b0 aop \u53ef\u4ee5\u4e3a\u60a8\u7684 javascript \u5f00\u53d1\u5e26\u6765\u7684\u5f3a\u5927\u529f\u80fd\u548c\u7075\u6d3b\u6027\u3002<\/p>\n<hr>\n<h2> \u6211\u4eec\u7684\u521b\u4f5c <\/h2>\n<p>\u4e00\u5b9a\u8981\u770b\u770b\u6211\u4eec\u7684\u521b\u4f5c\uff1a<\/p>\n<p><strong>\u6295\u8d44\u8005\u4e2d\u5fc3<\/strong> | <strong>\u667a\u80fd\u751f\u6d3b<\/strong> | <strong>\u65f6\u4ee3\u4e0e\u56de\u54cd<\/strong> | <strong>\u4ee4\u4eba\u8d39\u89e3\u7684\u8c1c\u56e2<\/strong> | <strong>\u5370\u5ea6\u6559<\/strong> | <strong>\u7cbe\u82f1\u5f00\u53d1<\/strong> | <strong>js\u5b66\u6821<\/strong><\/p>\n<hr>\n<h3> \u6211\u4eec\u5728\u5a92\u4f53\u4e0a <\/h3>\n<p><strong>\u79d1\u6280\u8003\u62c9\u6d1e\u5bdf<\/strong> | <strong>\u65f6\u4ee3\u4e0e\u56de\u54cd\u4e16\u754c<\/strong> | <strong>\u6295\u8d44\u8005\u4e2d\u592e\u5a92\u4f53<\/strong> | <strong>\u4ee4\u4eba\u8d39\u89e3\u7684\u8c1c\u56e2<\/strong> | <strong>\u79d1\u5b66\u4e0e\u65f6\u4ee3\u5a92\u4ecb<\/strong> | <strong>\u73b0\u4ee3\u5370\u5ea6\u6559<\/strong><\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300a\u63d0\u5347\u60a8\u7684 JavaScript\uff1a\u638c\u63e1\u9762\u5411\u65b9\u9762\u7684\u7f16\u7a0b\u4ee5\u83b7\u5f97\u66f4\u7b80\u6d01\u3001\u66f4\u5f3a\u5927\u7684\u4ee3\u7801\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n<p>      \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664    <\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   React\u7ec4\u4ef6\u4e2dmap\u5faa\u73af\uff1a\u5982\u4f55\u4e3a\u521b\u5efa\u7684div\u5143\u7d20\u6dfb\u52a0\u884c\u53f7\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u5347\u60a8\u7684 JavaScript\uff1a\u638c\u63e1\u9762\u5411\u65b9\u9762\u7684\u7f16\u7a0b\u4ee5\u83b7\u5f97\u66f4\u7b80\u6d01\u3001\u66f4\u5f3a\u5927\u7684\u4ee3\u7801 \u6536\u85cf \u6587\u7ae0\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u63d0\u5347\u60a8\u7684 JavaScript\uff1a\u638c\u63e1\u9762\u5411\u65b9\u9762\u7684\u7f16\u7a0b\u4ee5\u83b7\u5f97\u66f4\u7b80\u6d01\u3001\u66f4\u5f3a\u5927\u7684\u4ee3\u7801\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01 javascript \u4e2d\u7684\u9762\u5411\u65b9\u9762\u7f16\u7a0b (aop) \u5bf9\u4e8e\u5e0c\u671b\u7f16\u5199\u66f4\u7b80\u6d01\u3001\u66f4\u6613\u4e8e\u7ef4\u62a4\u7684\u4ee3\u7801\u7684\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u662f\u4e00\u4e2a\u6e38\u620f\u89c4\u5219\u6539\u53d8\u8005\u3002\u6211\u6700\u8fd1\u4e00\u76f4\u5728\u63a2\u7d22\u8fd9\u4e2a\u8303\u4f8b\uff0c\u6211\u5f88\u9ad8\u5174\u5206\u4eab\u6211\u6240\u5b66\u5230\u7684\u4e1c\u897f\u3002 \u4ece\u672c\u8d28\u4e0a\u8bb2\uff0caop \u662f\u5c06\u6a2a\u5207\u5173\u6ce8\u70b9\u4e0e\u4e3b\u8981\u4e1a\u52a1\u903b\u8f91\u5206\u79bb\u3002\u60f3\u4e00\u60f3\u90a3\u4e9b\u5f80\u5f80\u4f1a\u5206\u6563\u5728\u4ee3\u7801\u5e93\u4e2d\u7684\u70e6\u4eba\u7684\u4efb\u52a1\uff0c\u4f8b\u5982\u65e5\u5fd7\u8bb0\u5f55\u3001\u9519\u8bef\u5904\u7406\u6216\u6027\u80fd\u76d1\u63a7\u3002 aop \u53ef\u8ba9\u60a8\u4ee5\u96c6\u4e2d\u7684\u65b9\u5f0f\u5904\u7406\u8fd9\u4e9b\u95ee\u9898\uff0c\u4f7f\u60a8\u7684\u6838\u5fc3\u529f\u80fd\u96c6\u4e2d\u4e14\u6574\u6d01\u3002 \u8ba9\u6211\u4eec\u6df1\u5165\u7814\u7a76\u4e00\u4e9b\u5728 javascript \u4e2d\u5b9e\u73b0 aop \u7684\u5b9e\u7528\u65b9\u6cd5\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7684\u6700\u5f3a\u5927\u7684\u5de5\u5177\u4e4b\u4e00\u662f\u4ee3\u7406\u5bf9\u8c61\u3002\u5b83\u5141\u8bb8\u6211\u4eec\u62e6\u622a\u548c\u81ea\u5b9a\u4e49\u5bf9\u5bf9\u8c61\u7684\u64cd\u4f5c\u3002\u8fd9\u662f\u6211\u4eec\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u5411\u51fd\u6570\u6dfb\u52a0\u65e5\u5fd7\u8bb0\u5f55\u7684\u7b80\u5355\u793a\u4f8b\uff1a function createloggingproxy(target) { return new proxy(target, { apply: function(target, thisarg, argumentslist) { console.log(`calling function with arguments: ${argumentslist}`); const result = target.apply(thisarg, argumentslist); console.log(`function returned: ${result}`); return result; } }); } function add(a, b) { return a + [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-53559","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53559","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=53559"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53559\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=53559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=53559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=53559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}