{"id":1266,"date":"2024-11-10T10:52:29","date_gmt":"2024-11-10T02:52:29","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1266\/"},"modified":"2024-11-10T10:52:29","modified_gmt":"2024-11-10T02:52:29","slug":"vue-%e4%b8%ad%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a1%ae%e8%8e%b7%e5%8f%96-select-%e5%85%83%e7%b4%a0%e7%9a%84%e5%8e%9f%e5%a7%8b%e7%b1%bb%e5%9e%8b%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1266\/","title":{"rendered":"Vue \u4e2d\u5982\u4f55\u6b63\u786e\u83b7\u53d6 `select` \u5143\u7d20\u7684\u539f\u59cb\u7c7b\u578b\u503c\uff1f"},"content":{"rendered":"

\"Vue<\/p>\n

select \u5143\u7d20 value \u7c7b\u578b\u8f6c\u6362<\/strong><\/p>\n

\u5728 Vue \u4e2d\uff0c\u5229\u7528 \u5143\u7d20\u83b7\u53d6\u7b2c\u4e8c\u4e2a\u503c\u4f5c\u4e3a value \u65f6\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\u5728\u4f7f\u7528 event.target.value \u83b7\u53d6 value \u53ef\u80fd\u4f1a\u5bfc\u81f4\u7c7b\u578b\u8f6c\u6362\uff0c\u5c06 value \u90fd\u53d8\u6210\u5b57\u7b26\u4e32\u3002<\/p>\n

\u539f\u56e0\u5728\u4e8e Vue \u4e3a\u4e86\u4fdd\u6301 HTML \u517c\u5bb9\u6027\uff0c\u800c DOM \u4e2d\u7684\u5c5e\u6027\u90fd\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u3002\u56e0\u6b64\uff0c\u76f4\u63a5\u4f7f\u7528 ES \u5bf9\u8c61\/\u503c\u53d6\u503c\uff0c\u5c06\u65e0\u6cd5\u6b63\u786e\u83b7\u53d6\u5230\u539f\u59cb\u7c7b\u578b<\/strong>\u3002<\/p>\n

\u6b63\u786e\u7684\u505a\u6cd5\u662f\u4f7f\u7528 v-model \u6765\u53cc\u5411\u7ed1\u5b9a select \u5143\u7d20\u7684 value\u3002v-model \u5c06\u81ea\u52a8\u5904\u7406\u7c7b\u578b\u7684\u8f6c\u6362\uff0c\u786e\u4fdd\u4f60\u53ef\u4ee5\u5728 JavaScript \u4e2d\u83b7\u53d6\u5230\u6b63\u786e\u7684\u7c7b\u578b\u3002<\/p>\n

\u793a\u4f8b\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

<select v-model=\"modelValue\">\n  <option v-for=\"(item, index) in data\" :key=\"item[0]\" :value=\"item[1]\">\n    {{ item[0] }}\n  <\/option>\n<\/select><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
const modelValueRef = ref();\nconst selectHandler = (e) => {\n  const val = modelValueRef.value; \/\/ \u6b63\u786e\u83b7\u53d6\u5230\u539f\u59cb\u7c7b\u578b\n  \/\/ emits('update:modelValue', val)\n};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fVue \u4e2d\u5982\u4f55\u6b63\u786e\u83b7\u53d6 `select` \u5143\u7d20\u7684\u539f\u59cb\u7c7b\u578b\u503c\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":"
select \u5143\u7d20 value \u7c7b\u578b\u8f6c\u6362 \u5728 Vue \u4e2d\uff0c\u5229\u7528 \u5143\u7d20\u83b7\u53d6\u7b2c\u4e8c\u4e2a\u503c\u4f5c\u4e3a value \u65f6\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\u5728\u4f7f\u7528 event.target.value \u83b7\u53d6 value \u53ef\u80fd\u4f1a\u5bfc\u81f4\u7c7b\u578b\u8f6c\u6362\uff0c\u5c06 value \u90fd\u53d8\u6210\u5b57\u7b26\u4e32\u3002 \u539f\u56e0\u5728\u4e8e Vue \u4e3a\u4e86\u4fdd\u6301 HTML \u517c\u5bb9\u6027\uff0c\u800c DOM \u4e2d\u7684\u5c5e\u6027\u90fd\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u3002\u56e0\u6b64\uff0c\u76f4\u63a5\u4f7f\u7528 ES \u5bf9\u8c61\/\u503c\u53d6\u503c\uff0c\u5c06\u65e0\u6cd5\u6b63\u786e\u83b7\u53d6\u5230\u539f\u59cb\u7c7b\u578b\u3002 \u6b63\u786e\u7684\u505a\u6cd5\u662f\u4f7f\u7528 v-model \u6765\u53cc\u5411\u7ed1\u5b9a select \u5143\u7d20\u7684 value\u3002v-model \u5c06\u81ea\u52a8\u5904\u7406\u7c7b\u578b\u7684\u8f6c\u6362\uff0c\u786e\u4fdd\u4f60\u53ef\u4ee5\u5728 JavaScript \u4e2d\u83b7\u53d6\u5230\u6b63\u786e\u7684\u7c7b\u578b\u3002 \u793a\u4f8b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b <select v-model=”modelValue”> <option v-for=”(item, index) in data” :key=”item[0]” :value=”item[1]”> {{ item[0] }} <\/option> <\/select> \u767b\u5f55\u540e\u590d\u5236 const modelValueRef = ref(); […]<\/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-1266","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1266","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=1266"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1266\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}