{"id":4353,"date":"2025-06-10T08:58:19","date_gmt":"2025-06-17T01:40:18","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4353"},"modified":"2025-06-17T08:58:19","modified_gmt":"2025-06-17T01:40:18","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8vue-js%e7%b5%84%e4%bb%b6%e8%a8%88%e7%ae%97%e5%b1%ac%e6%80%a7","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/vue-js\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8vue-js%e7%b5%84%e4%bb%b6%e8%a8%88%e7%ae%97%e5%b1%ac%e6%80%a7\/","title":{"rendered":"\u6df1\u5165\u5b78\u7fd2 Vue.js \u7684\u8a08\u7b97\u5c6c\u6027 (Computed Properties) – 2025 \u6700\u65b0\u6559\u5b78"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u5b78\u7fd2 Vue.js \u7684\u8a08\u7b97\u5c6c\u6027 (Computed Properties) – 2025 \u6700\u65b0\u6559\u5b78<\/h1>\n

Vue.js \u7684\u8a08\u7b97\u5c6c\u6027 (computed properties) \u662f\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5c07\u8907\u96dc\u7684\u8a08\u7b97\u908f\u8f2f\u5c01\u88dd\u5728\u7d44\u4ef6\u5167\u90e8\u3002\u4f7f\u7528\u8a08\u7b97\u5c6c\u6027\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\uff0c\u56e0\u70ba\u5b83\u5011\u50c5\u5728\u4f9d\u8cf4\u7684\u6578\u64da\u767c\u751f\u8b8a\u5316\u6642\u91cd\u65b0\u8a08\u7b97\uff0c\u800c\u4e0d\u662f\u5728\u6bcf\u6b21\u6e32\u67d3\u6642\u90fd\u9032\u884c\u8a08\u7b97\u3002<\/p>\n

\u8a08\u7b97\u5c6c\u6027\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u8a08\u7b97\u5c6c\u6027\u662f\u5b9a\u7fa9\u5728 Vue \u7d44\u4ef6\u4e2d\u7684\u7279\u6b8a\u5c6c\u6027\uff0c\u6839\u64da\u7d44\u4ef6\u7684\u5176\u4ed6\u6578\u64da\u5c6c\u6027\u81ea\u52d5\u8a08\u7b97\u51fa\u4e00\u500b\u65b0\u503c\u3002\u9019\u4f7f\u5f97\u7ba1\u7406\u6578\u64da\u8b8a\u5f97\u66f4\u7c21\u55ae\u4e14\u9ad8\u6548\u3002<\/p>\n

\u5be6\u4f5c\u7bc4\u4f8b<\/h2>\n

\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Vue.js \u7d44\u4ef6\u7bc4\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u8a08\u7b97\u5c6c\u6027\u4f86\u751f\u6210\u5168\u540d\uff1a<\/p>\n

\n\/\/ \u5b9a\u7fa9\u4e00\u500b Vue \u7d44\u4ef6\nvar myComponent = {\n  data: function () {\n    return {\n      firstName: 'John',\n      lastName: 'Doe'\n    }\n  },\n  computed: {\n    fullName: function () {\n      return this.firstName + ' ' + this.lastName;\n    }\n  }\n}\n<\/code><\/pre>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c`fullName` \u9019\u500b\u8a08\u7b97\u5c6c\u6027\u6703\u6839\u64da `firstName` \u548c `lastName` \u7684\u503c\u81ea\u52d5\u8a08\u7b97\u4e26\u8fd4\u56de\u5b8c\u6574\u7684\u540d\u5b57\u3002<\/p>\n
\u8a08\u7b97\u5c6c\u6027\u7684\u61c9\u7528\u5834\u666f<\/h2>\n
\u8a08\u7b97\u5c6c\u6027\u4e0d\u50c5\u53ef\u4ee5\u7528\u4f86\u7c21\u5316\u6578\u64da\u7684\u8655\u7406\uff0c\u9084\u53ef\u4ee5\u7528\u65bc\u5404\u7a2e\u5be6\u969b\u61c9\u7528\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n
    \n
  • \u8a08\u7b97\u6642\u9593\u5dee<\/strong>\uff1a\u53ef\u4ee5\u7528\u4f86\u8a08\u7b97\u5169\u500b\u6642\u9593\u4e4b\u9593\u7684\u5dee\u8ddd\uff0c\u4f8b\u5982\u8a08\u7b97\u5169\u500b\u65e5\u671f\u4e4b\u9593\u7684\u5929\u6578\u6216\u5c0f\u6642\u6578\u3002<\/li>\n
  • \u8a08\u7b97\u7e3d\u548c<\/strong>\uff1a\u53ef\u4ee5\u8a08\u7b97\u4e00\u500b\u6578\u7d44\u4e2d\u6240\u6709\u5143\u7d20\u7684\u7e3d\u548c\uff0c\u9019\u5728\u8ca1\u52d9\u61c9\u7528\u4e2d\u975e\u5e38\u5e38\u898b\u3002<\/li>\n
  • \u8a08\u7b97\u5e73\u5747\u503c<\/strong>\uff1a\u53ef\u4ee5\u8a08\u7b97\u4e00\u500b\u6578\u7d44\u4e2d\u6240\u6709\u5143\u7d20\u7684\u5e73\u5747\u503c\uff0c\u5e38\u7528\u65bc\u7d71\u8a08\u5206\u6790\u3002<\/li>\n<\/ul>\n
    \u932f\u8aa4\u6392\u9664\u8207\u6700\u4f73\u5be6\u8e10<\/h2>\n
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    1. **\u8a08\u7b97\u5c6c\u6027\u4e0d\u66f4\u65b0**\uff1a\u78ba\u4fdd\u4f9d\u8cf4\u7684\u6578\u64da\u5c6c\u6027\u5df2\u6b63\u78ba\u8a2d\u7f6e\u70ba\u53cd\u61c9\u5f0f\u7684\u3002
    \n2. **\u6027\u80fd\u554f\u984c**\uff1a\u907f\u514d\u5728\u8a08\u7b97\u5c6c\u6027\u4e2d\u57f7\u884c\u91cd\u7684\u64cd\u4f5c\uff0c\u9019\u6703\u5f71\u97ff\u61c9\u7528\u7684\u6027\u80fd\u3002<\/p>\n
    \u5ef6\u4f38\u61c9\u7528<\/h2>\n
    \u8a08\u7b97\u5c6c\u6027\u53ef\u4ee5\u8207 Vue \u7684\u5176\u4ed6\u529f\u80fd\u7d50\u5408\u4f7f\u7528\uff0c\u4f8b\u5982\u904e\u6ffe\u5668\u3001\u6307\u4ee4\u7b49\uff0c\u4f86\u9032\u4e00\u6b65\u589e\u5f37\u61c9\u7528\u7684\u529f\u80fd\u6027\u3002<\/p>\n
    \u7e3d\u4e4b\uff0c\u8a08\u7b97\u5c6c\u6027\u662f Vue.js \u4e2d\u4e00\u500b\u6975\u5177\u5be6\u7528\u6027\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u8655\u7406\u6578\u64da\uff0c\u7c21\u5316\u908f\u8f2f\uff0c\u4e26\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n
    Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
    \u8a08\u7b97\u5c6c\u6027\u548c\u65b9\u6cd5\u6709\u4ec0\u9ebc\u5340\u5225\uff1f<\/h3>\n
    \u8a08\u7b97\u5c6c\u6027\u662f\u57fa\u65bc\u4f9d\u8cf4\u7684\u6578\u64da\u81ea\u52d5\u66f4\u65b0\u7684\uff0c\u800c\u65b9\u6cd5\u5247\u9700\u8981\u6bcf\u6b21\u8abf\u7528\u624d\u80fd\u57f7\u884c\u3002<\/p>\n
    \u4f55\u6642\u61c9\u8a72\u4f7f\u7528\u8a08\u7b97\u5c6c\u6027\uff1f<\/h3>\n
    \u7576\u4f60\u9700\u8981\u6839\u64da\u5176\u4ed6\u6578\u64da\u5c6c\u6027\u8a08\u7b97\u51fa\u65b0\u503c\u6642\uff0c\u4f7f\u7528\u8a08\u7b97\u5c6c\u6027\u53ef\u4ee5\u5e6b\u52a9\u4f60\u4fdd\u6301\u4ee3\u78bc\u7684\u6574\u6f54\u8207\u6027\u80fd\u3002<\/p>\n
    \u8a08\u7b97\u5c6c\u6027\u53ef\u4ee5\u8fd4\u56de\u4ec0\u9ebc\u985e\u578b\u7684\u6578\u64da\uff1f<\/h3>\n
    \u8a08\u7b97\u5c6c\u6027\u53ef\u4ee5\u8fd4\u56de\u4efb\u4f55\u985e\u578b\u7684\u6578\u64da\uff0c\u5305\u62ec\u5b57\u4e32\u3001\u6578\u5b57\u3001\u6578\u7d44\u6216\u5c0d\u8c61\uff0c\u9019\u53d6\u6c7a\u65bc\u4f60\u7684\u61c9\u7528\u9700\u6c42\u3002
    \n—<\/p>\n","protected":false},"excerpt":{"rendered":"
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