{"id":1230,"date":"2024-11-10T09:04:07","date_gmt":"2024-11-10T01:04:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1230\/"},"modified":"2024-11-10T09:04:07","modified_gmt":"2024-11-10T01:04:07","slug":"vue-%e4%b8%ad-select-%e6%a0%87%e7%ad%be-value-%e5%a6%82%e4%bd%95%e4%bf%9d%e6%8c%81%e5%8e%9f%e7%b1%bb%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1230\/","title":{"rendered":"Vue \u4e2d select \u6807\u7b7e value \u5982\u4f55\u4fdd\u6301\u539f\u7c7b\u578b\uff1f"},"content":{"rendered":"

\"Vue<\/p>\n

\u4e2d \u6807\u7b7e\u6539\u53d8 value \u7c7b\u578b\u4e3a\u5b57\u7b26\u4e32<\/strong><\/p>\n

\u5728 Vue \u4e2d\u4f7f\u7528 \u6807\u7b7e\u65f6\uff0c\u901a\u8fc7\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f selectHandler \u83b7\u53d6 value \u65f6\u53ef\u80fd\u53d1\u73b0\u5176\u7c7b\u578b\u53d1\u751f\u4e86\u6539\u53d8\uff0c\u5168\u90e8\u53d8\u4e3a\u4e86\u5b57\u7b26\u4e32\u3002\u8fd9\u662f\u56e0\u4e3a Vue \u4e3a\u4e86\u4fdd\u6301 HTML \u517c\u5bb9\u6027\uff0cDOM \u4e2d\u7684\u5c5e\u6027\u9ed8\u8ba4\u90fd\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u3002<\/p>\n

\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 v-model \u6307\u4ee4\uff0c\u914d\u5408\u6a21\u578b\u503c this.modelValue\u3002\u4f7f\u7528 v-model \u540e\uff0cmodelValue \u7684\u7c7b\u578b\u5c06\u4e0e :value \u7ed1\u5b9a\u7684\u503c\u4fdd\u6301\u4e00\u81f4\uff0c\u5373\u4f7f\u5176\u4e3a\u6570\u5b57\u7c7b\u578b\u3002<\/p>\n

<script>\nimport { ref } from 'vue';\n\nexport default {\n  setup() {\n    const modelValueRef = ref<number | string | undefined>();\n\n    return {\n      modelValueRef,\n    };\n  },\n};\n<\/script>\n\n<template>\n  <select v-model=\"modelValueRef\">\n    <option v-for=\"(item, index) in data\" :key=\"index\" :value=\"item[1]\">\n      {{ item[0] }}\n    <\/option>\n  <\/select>\n<\/template><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5373\u4f7f\u5728 HTML \u7684 DOM \u7ed3\u6784\u4e2d value \u7c7b\u578b\u4e3a\u5b57\u7b26\u4e32\uff0c\u4f46\u5728 Vue \u7684\u54cd\u5e94\u5f0f\u7cfb\u7edf\u4e2d\uff0cmodelValueRef \u7684\u7c7b\u578b\u4ecd\u5c06\u4fdd\u6301\u4e3a\u6570\u5b57\u6216\u5b57\u7b26\u4e32\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fVue \u4e2d select \u6807\u7b7e value \u5982\u4f55\u4fdd\u6301\u539f\u7c7b\u578b\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e2d \u6807\u7b7e\u6539\u53d8 value \u7c7b\u578b\u4e3a\u5b57\u7b26\u4e32 \u5728 Vue \u4e2d\u4f7f\u7528 \u6807\u7b7e\u65f6\uff0c\u901a\u8fc7\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f selectHandler \u83b7\u53d6 value \u65f6\u53ef\u80fd\u53d1\u73b0\u5176\u7c7b\u578b\u53d1\u751f\u4e86\u6539\u53d8\uff0c\u5168\u90e8\u53d8\u4e3a\u4e86\u5b57\u7b26\u4e32\u3002\u8fd9\u662f\u56e0\u4e3a Vue \u4e3a\u4e86\u4fdd\u6301 HTML \u517c\u5bb9\u6027\uff0cDOM \u4e2d\u7684\u5c5e\u6027\u9ed8\u8ba4\u90fd\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u3002 \u89e3\u51b3\u6b64\u95ee\u9898\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 v-model \u6307\u4ee4\uff0c\u914d\u5408\u6a21\u578b\u503c this.modelValue\u3002\u4f7f\u7528 v-model \u540e\uff0cmodelValue \u7684\u7c7b\u578b\u5c06\u4e0e :value \u7ed1\u5b9a\u7684\u503c\u4fdd\u6301\u4e00\u81f4\uff0c\u5373\u4f7f\u5176\u4e3a\u6570\u5b57\u7c7b\u578b\u3002 <script> import { ref } from ‘vue’; export default { setup() { const modelValueRef = ref<number | string | undefined>(); return { modelValueRef, }; }, }; <\/script> <template> <select […]<\/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-1230","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1230","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=1230"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1230\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}