{"id":52552,"date":"2024-12-03T11:20:30","date_gmt":"2024-12-03T03:20:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52552\/"},"modified":"2024-12-03T11:20:30","modified_gmt":"2024-12-03T03:20:30","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88-vue3-%e5%93%8d%e5%ba%94%e5%bc%8f%e6%ba%90%e7%a0%81%e4%b8%ad-reflect-set-%e9%9c%80%e8%a6%81%e5%85%88%e8%b5%8b%e5%80%bc%e5%86%8d%e8%bf%94%e5%9b%9e%e6%89%8d%e8%83%bd%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52552\/","title":{"rendered":"\u4e3a\u4ec0\u4e48 Vue3 \u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d Reflect.set \u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\u624d\u80fd\u89e3\u51b3\u66f4\u65b0\u95ee\u9898\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4e3a\u4ec0\u4e48 Vue3 \u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d Reflect.set \u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\u624d\u80fd\u89e3\u51b3\u66f4\u65b0\u95ee\u9898\uff1f<\/h1>\n<p>\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u4e3a\u4ec0\u4e48 Vue3 \u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d Reflect.set \u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\u624d\u80fd\u89e3\u51b3\u66f4\u65b0\u95ee\u9898\uff1f\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u6216\u8005\u662f\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241121\/1732175510673ee696acc5f.jpg\" class=\"aligncenter\" title=\"\u4e3a\u4ec0\u4e48 Vue3 \u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d Reflect.set \u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\u624d\u80fd\u89e3\u51b3\u66f4\u65b0\u95ee\u9898\uff1f\u63d2\u56fe\" alt=\"\u4e3a\u4ec0\u4e48 Vue3 \u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d Reflect.set \u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\u624d\u80fd\u89e3\u51b3\u66f4\u65b0\u95ee\u9898\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5728 vue3 \u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d\uff0c\u4f7f\u7528 reflect.set \u4e3a\u4ec0\u4e48\u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\u624d\u80fd\u89e3\u51b3\u66f4\u65b0\u95ee\u9898\uff1f<\/strong><\/p>\n<p>\u5728 vue3 \u7684\u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d\uff0cset \u62e6\u622a\u5668\u8d1f\u8d23\u5904\u7406\u5bf9\u8c61\u5c5e\u6027\u7684\u66f4\u65b0\u3002\u4f7f\u7528 reflect.set \u65f6\uff0c\u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\uff0c\u624d\u80fd\u907f\u514d\u4ee5\u4e0b\u66f4\u65b0\u95ee\u9898\uff1a<\/p>\n<p>\u8003\u8651\u4e0b\u9762\u4ee3\u7801\uff1a<\/p>\n<pre>const animal = reactive({\n  name: 'dog',\n  age: 2\n});\n\nconst unwatch = effect(() =&gt; {\n  document.queryselector('#app').innerhtml = `\n    &lt;div&gt;\n      &lt;h2&gt;name: ${animal.name}&lt;\/h2&gt;\n      &lt;h2&gt;age: ${animal.age}&lt;\/h2&gt;\n    &lt;\/div&gt;\n  `;\n});\n\nsettimeout(() =&gt; {\n  animal.name = 'cat'; \/\/ \u66f4\u65b0\n  animal.age = 3; \/\/ \u4e0d\u4f1a\u66f4\u65b0\n}, 2000);<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5bf9 animal.name \u548c animal.age \u7684\u66f4\u65b0\u5206\u522b\u89e6\u53d1\u4e86 effect \u51fd\u6570\u3002\u7136\u800c\uff0c\u5f53 settimeout \u56de\u8c03\u6267\u884c\u65f6\uff0canimal.age \u7684\u66f4\u65b0\u4e0d\u4f1a\u89e6\u53d1 effect \u7684\u91cd\u65b0\u6267\u884c\u3002<\/p>\n<p>\u8fd9\u662f\u56e0\u4e3a\uff1a<\/p>\n<ol>\n<li>\u5f53 animal.name \u66f4\u65b0\u65f6\uff0ctrigger \u88ab\u8c03\u7528\uff0c\u6536\u96c6\u4f9d\u8d56\u9879\u5e76\u89e6\u53d1 effect \u7684\u9996\u6b21\u6267\u884c\u3002\u6b64\u65f6\uff0canimal \u5bf9\u8c61\u4e3a { name: &#8216;dog&#8217;, age: 2 }\u3002<\/li>\n<li>reflect.set(&#8230;arguments) \u6267\u884c\u540e\uff0canimal \u5bf9\u8c61\u66f4\u65b0\u4e3a { name: &#8216;cat&#8217;, age: 2 }\u3002<\/li>\n<li>\u5f53 animal.age \u66f4\u65b0\u65f6\uff0ctrigger \u518d\u6b21\u88ab\u8c03\u7528\uff0c\u4f46\u5b83\u83b7\u53d6\u7684 animal \u5bf9\u8c61\u4ecd\u7136\u662f { name: &#8216;cat&#8217;, age: 2 }\u3002\u8fd9\u662f\u56e0\u4e3a\u5728\u5148\u524d\u7684 reflect.set \u8c03\u7528\u4e2d\u76f4\u63a5\u8fd4\u56de\u4e86\u7ed3\u679c\uff0c\u5bfc\u81f4\u672a\u53ca\u65f6\u66f4\u65b0 animal\u3002<\/li>\n<li>effect \u518d\u6b21\u6267\u884c\uff0c\u4f46\u5b83\u4f7f\u7528\u672a\u66f4\u65b0\u7684 animal \u5bf9\u8c61\uff0c\u56e0\u6b64 age \u5c5e\u6027\u7684\u66f4\u65b0\u672a\u88ab\u53cd\u6620\u3002<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u5728 reflect.set \u8c03\u7528\u524d\u5148\u5c06\u7ed3\u679c\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u907f\u514d\u6b64\u95ee\u9898\uff1a<\/p>\n<pre>let res = Reflect.set(...arguments);\nreturn res;<\/pre>\n<p>\u8fd9\u6837\uff0c\u5f53 animal.age \u66f4\u65b0\u65f6\uff0ctrigger \u83b7\u53d6\u7684 animal \u5bf9\u8c61\u5df2\u7ecf\u662f\u66f4\u65b0\u540e\u7684 { name: &#8216;cat&#8217;, age: 3 }\uff0ceffect \u53ef\u4ee5\u6b63\u786e\u5730\u91cd\u65b0\u6267\u884c\u4ee5\u53cd\u6620\u66f4\u65b0\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u4e3a\u4ec0\u4e48 Vue3 \u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d Reflect.set \u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\u624d\u80fd\u89e3\u51b3\u66f4\u65b0\u95ee\u9898\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u56fd\u4ea7\u5546\u7528\u98de\u673a ARJ21 \u5f00\u542f\u201c\u73af\u9752\u85cf\u9ad8\u539f\u201d\u6f14\u793a\u98de\u884c\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4ec0\u4e48 Vue3 \u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d Reflect.set \u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\u624d\u80fd\u89e3\u51b3\u66f4\u65b0\u95ee\u9898\uff1f \u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u4e3a\u4ec0\u4e48 Vue3 \u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d Reflect.set \u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\u624d\u80fd\u89e3\u51b3\u66f4\u65b0\u95ee\u9898\uff1f\u300b\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u6216\u8005\u662f\u5bf9\u6587\u7ae0\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01 \u5728 vue3 \u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d\uff0c\u4f7f\u7528 reflect.set \u4e3a\u4ec0\u4e48\u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\u624d\u80fd\u89e3\u51b3\u66f4\u65b0\u95ee\u9898\uff1f \u5728 vue3 \u7684\u54cd\u5e94\u5f0f\u6e90\u7801\u4e2d\uff0cset \u62e6\u622a\u5668\u8d1f\u8d23\u5904\u7406\u5bf9\u8c61\u5c5e\u6027\u7684\u66f4\u65b0\u3002\u4f7f\u7528 reflect.set \u65f6\uff0c\u9700\u8981\u5148\u8d4b\u503c\u518d\u8fd4\u56de\uff0c\u624d\u80fd\u907f\u514d\u4ee5\u4e0b\u66f4\u65b0\u95ee\u9898\uff1a \u8003\u8651\u4e0b\u9762\u4ee3\u7801\uff1a const animal = reactive({ name: &#8216;dog&#8217;, age: 2 }); const unwatch = effect(() =&gt; { document.queryselector(&#8216;#app&#8217;).innerhtml = ` &lt;div&gt; &lt;h2&gt;name: ${animal.name}&lt;\/h2&gt; &lt;h2&gt;age: ${animal.age}&lt;\/h2&gt; &lt;\/div&gt; `; }); settimeout(() =&gt; { animal.name = &#8216;cat&#8217;; \/\/ [&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-52552","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52552","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=52552"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52552\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}