{"id":5773,"date":"2025-06-10T09:16:13","date_gmt":"2025-06-17T02:08:12","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5773"},"modified":"2025-06-17T09:16:13","modified_gmt":"2025-06-17T02:08:12","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e5%9c%a8vue%e4%b8%ad%e5%89%b5%e5%bb%ba%e8%87%aa%e5%ae%9a%e7%be%a9%e6%8c%87%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/vue-js\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e5%9c%a8vue%e4%b8%ad%e5%89%b5%e5%bb%ba%e8%87%aa%e5%ae%9a%e7%be%a9%e6%8c%87%e4%bb%a4\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u5728 Vue 3 \u4e2d\u5275\u5efa\u81ea\u5b9a\u7fa9\u6307\u4ee4\uff1a2025 \u6700\u65b0\u6307\u5357"},"content":{"rendered":"

<\/p>\n

\u5982\u4f55\u5728 Vue 3 \u4e2d\u5275\u5efa\u81ea\u5b9a\u7fa9\u6307\u4ee4\uff1f<\/h1>\n

Vue.js \u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684 JavaScript \u6846\u67b6\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5feb\u901f\u958b\u767c\u51fa\u9ad8\u54c1\u8cea\u7684 Web \u61c9\u7528\u7a0b\u5f0f\u3002\u96a8\u8457 Vue 3 \u7684\u767b\u5834\uff0c\u9019\u500b\u6846\u67b6\u5f15\u5165\u4e86\u7d44\u4ef6\u5316\u8a2d\u8a08\u548c Composition API\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u66f4\u8f15\u9b06\u5730\u64f4\u5c55 Vue.js \u7684\u529f\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 Vue 3 \u4e2d\u5275\u5efa\u81ea\u5b9a\u7fa9\u6307\u4ee4\uff0c\u4e26\u63d0\u4f9b\u6700\u4f73\u5be6\u8e10\u8207\u5be6\u4f5c\u7bc4\u4f8b\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u81ea\u5b9a\u7fa9\u6307\u4ee4\uff1f<\/h2>\n

\u81ea\u5b9a\u7fa9\u6307\u4ee4\u662f Vue.js \u63d0\u4f9b\u7684\u4e00\u7a2e\u529f\u80fd\uff0c\u5141\u8a31\u958b\u767c\u8005\u5c0d HTML \u5143\u7d20\u6dfb\u52a0\u81ea\u5b9a\u7fa9\u884c\u70ba\u3002\u9019\u5305\u62ec\u6dfb\u52a0\u52d5\u756b\u6548\u679c\u3001\u64cd\u4f5c DOM \u6216\u8005\u89f8\u767c\u7279\u5b9a\u7684 JavaScript \u51fd\u6578\u7b49\u3002\u900f\u904e\u81ea\u5b9a\u7fa9\u6307\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u5347\u61c9\u7528\u7684\u4ea4\u4e92\u6027\u548c\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n

\u5982\u4f55\u5275\u5efa\u81ea\u5b9a\u7fa9\u6307\u4ee4\uff1f<\/h2>\n

\u5728 Vue 3 \u4e2d\uff0c\u5275\u5efa\u81ea\u5b9a\u7fa9\u6307\u4ee4\u7684\u65b9\u5f0f\u7565\u6709\u8b8a\u5316\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u81ea\u5b9a\u7fa9\u6307\u4ee4\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

1. **\u5efa\u7acb Vue \u61c9\u7528\u5be6\u4f8b**\uff1a\u4f7f\u7528 `createApp` \u65b9\u6cd5\u3002
\n2. **\u5b9a\u7fa9\u81ea\u5b9a\u7fa9\u6307\u4ee4**\uff1a\u5728\u61c9\u7528\u5be6\u4f8b\u4e2d\u4f7f\u7528 `directive` \u65b9\u6cd5\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u793a\u7bc4\u4ee3\u78bc\uff1a<\/p>\n

\n\/\/ \u5f15\u5165 Vue\nimport { createApp } from 'vue';\n\n\/\/ \u5b9a\u7fa9\u4e00\u500b\u540d\u70ba my-directive \u7684\u81ea\u5b9a\u7fa9\u6307\u4ee4\nconst app = createApp({\n  \/\/ Vue \u7d44\u4ef6\u7684\u914d\u7f6e\n});\n\napp.directive('my-directive', {\n  \/\/ \u7576\u7d81\u5b9a\u5143\u7d20\u7684\u7236\u5143\u7d20\u63d2\u5165\u5230 DOM \u4e2d\u6642\n  mounted(el, binding) {\n    \/\/ \u81ea\u5b9a\u7fa9\u6307\u4ee4\u7684\u51fd\u6578\n    el.style.color = binding.value.color; \/\/ \u900f\u904e\u7d81\u5b9a\u503c\u8a2d\u7f6e\u984f\u8272\n  }\n});\n\n\/\/ \u6302\u8f09 Vue \u61c9\u7528\napp.mount('#app');\n<\/code><\/pre>\n
\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 `createApp` \u65b9\u6cd5\u4f86\u5efa\u7acb Vue \u61c9\u7528\u5be6\u4f8b\uff0c\u4e26\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba `my-directive` \u7684\u81ea\u5b9a\u7fa9\u6307\u4ee4\u3002\u5728 `mounted` \u9264\u5b50\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u8a2a\u554f\u5230\u7d81\u5b9a\u7684 HTML \u5143\u7d20\u548c\u7d81\u5b9a\u503c\u3002<\/p>\n
\u73fe\u5728\uff0c\u6211\u5011\u53ef\u4ee5\u5728 HTML \u4e2d\u4f7f\u7528\u8a72\u6307\u4ee4\uff1a<\/p>\n
\n
\n  
\n    \u9019\u500b\u5143\u7d20\u6703\u88ab\u6a19\u8a18\u70ba\u7d05\u8272\n  <\/div>\n<\/div>\n<\/code><\/pre>\n
\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5c07 `my-directive` \u6307\u4ee4\u7d81\u5b9a\u5230\u4e00\u500b `div` \u5143\u7d20\u4e0a\uff0c\u4e26\u5c07\u4e00\u500b JavaScript \u5c0d\u8c61\u4f5c\u70ba\u7d81\u5b9a\u503c\u50b3\u905e\u7d66\u8a72\u6307\u4ee4\u3002\u9019\u6a23\uff0c\u6211\u5011\u53ef\u4ee5\u6839\u64da\u7d81\u5b9a\u7684\u984f\u8272\u503c\u4f86\u63a7\u5236 HTML \u5143\u7d20\u7684\u884c\u70ba\u3002<\/p>\n
\u932f\u8aa4\u6392\u9664<\/h2>\n
\u5728\u4f7f\u7528\u81ea\u5b9a\u7fa9\u6307\u4ee4\u7684\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e38\u898b\u554f\u984c\uff1a<\/p>\n
1. **\u6307\u4ee4\u4e0d\u751f\u6548**\uff1a\u78ba\u4fdd\u6307\u4ee4\u540d\u7a31\u6b63\u78ba\u4e26\u4e14\u5df2\u6b63\u78ba\u8a3b\u518a\u5230 Vue \u61c9\u7528\u4e2d\u3002
\n2. **\u7d81\u5b9a\u503c\u672a\u6b63\u78ba\u89e3\u6790**\uff1a\u6aa2\u67e5\u50b3\u905e\u7684\u7d81\u5b9a\u503c\u683c\u5f0f\uff0c\u78ba\u4fdd\u5176\u70ba\u6709\u6548\u7684 JavaScript \u5c0d\u8c61\u6216\u503c\u3002<\/p>\n
\u5ef6\u4f38\u61c9\u7528<\/h2>\n
\u81ea\u5b9a\u7fa9\u6307\u4ee4\u53ef\u4ee5\u7528\u65bc\u8a31\u591a\u4e0d\u540c\u7684\u61c9\u7528\u5834\u666f\uff0c\u4f8b\u5982\uff1a<\/p>\n
– **\u62d6\u653e\u529f\u80fd**\uff1a\u5be6\u73fe\u5143\u7d20\u7684\u62d6\u653e\u6548\u679c\u3002
\n– **\u52d5\u756b\u6548\u679c**\uff1a\u5728\u5143\u7d20\u9032\u5165\u6216\u96e2\u958b\u6642\u6dfb\u52a0\u52d5\u756b\u3002
\n– **\u8868\u55ae\u9a57\u8b49**\uff1a\u6839\u64da\u7528\u6236\u8f38\u5165\u7684\u5167\u5bb9\u81ea\u52d5\u9a57\u8b49\u8868\u55ae\u9805\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 Vue 3 \u4e2d\u5275\u5efa\u81ea\u5b9a\u7fa9\u6307\u4ee4\u3002\u81ea\u5b9a\u7fa9\u6307\u4ee4\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c0d HTML \u5143\u7d20\u6dfb\u52a0\u81ea\u5b9a\u7fa9\u884c\u70ba\uff0c\u5f9e\u800c\u5927\u5927\u63d0\u9ad8\u958b\u767c\u6548\u7387\u548c\u61c9\u7528\u7684\u4e92\u52d5\u6027\u3002<\/p>\n
Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
Q1: \u5982\u4f55\u4f7f\u7528\u81ea\u5b9a\u7fa9\u6307\u4ee4\u4f86\u63a7\u5236 CSS \u52d5\u756b\uff1f<\/h3>\n
A1: \u4f60\u53ef\u4ee5\u5728\u81ea\u5b9a\u7fa9\u6307\u4ee4\u7684 `mounted` \u9264\u5b50\u4e2d\u6dfb\u52a0 CSS \u985e\uff0c\u4e26\u4f7f\u7528 Vue \u7684\u904e\u6e21\u7279\u6027\u4f86\u63a7\u5236\u52d5\u756b\u6548\u679c\u3002<\/p>\n
Q2: \u81ea\u5b9a\u7fa9\u6307\u4ee4\u662f\u5426\u652f\u6301\u591a\u500b\u53c3\u6578\uff1f<\/h3>\n
A2: \u662f\u7684\uff0c\u4f60\u53ef\u4ee5\u5c07\u591a\u500b\u53c3\u6578\u6253\u5305\u6210\u4e00\u500b\u5c0d\u8c61\uff0c\u4e26\u5728\u6307\u4ee4\u51fd\u6578\u4e2d\u9032\u884c\u89e3\u6790\u548c\u4f7f\u7528\u3002<\/p>\n
Q3: \u53ef\u4ee5\u5728\u6307\u4ee4\u4e2d\u4f7f\u7528 Vue \u7684\u97ff\u61c9\u5f0f\u7279\u6027\u55ce\uff1f<\/h3>\n
A3: \u662f\u7684\uff0c\u4f60\u53ef\u4ee5\u5229\u7528 Vue \u7684\u97ff\u61c9\u5f0f\u7cfb\u7d71\u4f86\u76e3\u807d\u548c\u97ff\u61c9\u7d81\u5b9a\u503c\u7684\u8b8a\u5316\u3002<\/p>\n
—<\/p>\n","protected":false},"excerpt":{"rendered":"
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