{"id":76,"date":"2024-10-20T21:03:04","date_gmt":"2024-10-20T13:03:04","guid":{"rendered":"https:\/\/taupis.com\/?p=76"},"modified":"2026-08-06T21:09:41","modified_gmt":"2026-08-06T13:09:41","slug":"vue3-ref%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/taupis.com\/?p=76","title":{"rendered":"VUE3 REF\u7528\u6cd5"},"content":{"rendered":"<div class=\"single-content\">\n<p>\u5728Vue 3\u4e2d\uff0c<code>ref<\/code>\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684API\uff0c\u5b83\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u54cd\u5e94\u5f0f\u7684\u5f15\u7528\u5bf9\u8c61\u3002\u8fd9\u4e2a\u5bf9\u8c61\u5305\u542b\u4e00\u4e2a<code>.value<\/code>\u5c5e\u6027\uff0c\u7528\u4e8e\u5b58\u50a8\u548c\u8bbf\u95ee\u5b9e\u9645\u7684\u503c\u3002<code>ref<\/code>\u5bf9\u8c61\u662f\u54cd\u5e94\u5f0f\u7684\uff0c\u4efb\u4f55\u5bf9<code>.value<\/code>\u7684\u4fee\u6539\u90fd\u4f1a\u89e6\u53d1\u89c6\u56fe\u7684\u66f4\u65b0\u3002<\/p>\n<h3 id=\"listree-list0\" class=\"listree-list\"><code>ref<\/code>\u7684\u57fa\u672c\u7528\u6cd5<\/h3>\n<pre><code>javascript<\/code><\/pre>\n<pre><code class=\"language-javascript\">import { ref } from 'vue';\r\nconst count = ref(0);\r\nconsole.log(count.value); \/\/ 0\r\ncount.value++;\r\nconsole.log(count.value); \/\/ 1<\/code><\/pre>\n<p>\u5982\u679c\u5c06\u5bf9\u8c61\u5206\u914d\u7ed9<code>ref<\/code>\u503c\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5bf9\u8c61\u4f1a\u901a\u8fc7<code>reactive<\/code>\u65b9\u6cd5\u53d8\u5f97\u6df1\u5ea6\u54cd\u5e94\u5f0f\u3002\u8fd9\u610f\u5473\u7740\u5bf9\u8c61\u5185\u90e8\u7684\u4efb\u4f55\u53d8\u5316\u90fd\u4f1a\u89e6\u53d1\u89c6\u56fe\u7684\u66f4\u65b0\u3002<\/p>\n<h3 id=\"listree-list1\" class=\"listree-list\"><code>ref<\/code>\u7684\u7279\u70b9<\/h3>\n<ul>\n<li><strong>\u54cd\u5e94\u5f0f<\/strong>\uff1a\u5bf9<code>.value<\/code>\u7684\u64cd\u4f5c\u4f1a\u88ab\u8ffd\u8e2a\uff0c\u89e6\u53d1\u76f8\u5173\u66f4\u65b0\u3002<\/li>\n<li><strong>\u53ef\u66f4\u6539<\/strong>\uff1a\u53ef\u4ee5\u968f\u65f6\u4fee\u6539<code>.value<\/code>\u7684\u503c\u3002<\/li>\n<li><strong>\u652f\u6301\u57fa\u672c\u7c7b\u578b\u548c\u590d\u6742\u7c7b\u578b<\/strong>\uff1a\u4e0d\u4ec5\u80fd\u5904\u7406\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u7b49\u57fa\u672c\u7c7b\u578b\uff0c\u8fd8\u80fd\u5904\u7406\u5bf9\u8c61\u548c\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<h3 id=\"listree-list2\" class=\"listree-list\"><code>ref<\/code>\u5728\u6a21\u677f\u4e2d\u7684\u89e3\u5305<\/h3>\n<p>\u5f53<code>ref<\/code>\u5728\u6a21\u677f\u4e2d\u4f5c\u4e3a\u9876\u5c42\u5c5e\u6027\u88ab\u8bbf\u95ee\u65f6\uff0c\u5b83\u4eec\u4f1a\u88ab\u81ea\u52a8\u201c\u89e3\u5305\u201d\uff0c\u6240\u4ee5\u4e0d\u9700\u8981\u4f7f\u7528<code>.value<\/code>\u3002<\/p>\n<pre><code>html<\/code><\/pre>\n<pre><code class=\"language-html\">&lt;script setup&gt;\r\nimport { ref } from 'vue';\r\nconst a = ref(1);\r\n&lt;\/script&gt;\r\n&lt;template&gt;\r\n&lt;div&gt;a:{{ a }}&lt;\/div&gt;\r\n&lt;\/template&gt;<\/code><\/pre>\n<p>\u4f46\u8bf7\u6ce8\u610f\uff0c\u4ec5\u5f53<code>ref<\/code>\u662f\u6a21\u677f\u6e32\u67d3\u4e0a\u4e0b\u6587\u7684\u9876\u5c42\u5c5e\u6027\u65f6\u624d\u9002\u7528\u81ea\u52a8\u201c\u89e3\u5305\u201d\u3002<\/p>\n<h3 id=\"listree-list3\" class=\"listree-list current\"><code>ref<\/code>\u4e0e<code>reactive<\/code>\u7684\u6bd4\u8f83<\/h3>\n<ul>\n<li><code>ref<\/code>\u9002\u7528\u4e8e\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u4e5f\u53ef\u4ee5\u5904\u7406\u590d\u6742\u7c7b\u578b\u3002<\/li>\n<li><code>reactive<\/code>\u9002\u7528\u4e8e\u5bf9\u8c61\u548c\u6570\u7ec4\uff0c\u63d0\u4f9b\u66f4\u76f4\u63a5\u7684\u54cd\u5e94\u5f0f\u5904\u7406\u3002<\/li>\n<li><code>ref<\/code>\u9700\u8981\u4f7f\u7528<code>.value<\/code>\u8bbf\u95ee\u5c5e\u6027\uff0c\u800c<code>reactive<\/code>\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5c5e\u6027\u3002<\/li>\n<li><code>ref<\/code>\u5728\u4f20\u9012\u7ed9\u51fd\u6570\u6216\u4ece\u5bf9\u8c61\u4e0a\u89e3\u6784\u65f6\u4e0d\u4f1a\u4e22\u5931\u54cd\u5e94\u6027\uff0c\u800c<code>reactive<\/code>\u53ef\u80fd\u4f1a\u4e22\u5931\u54cd\u5e94\u6027\uff0c\u9700\u8981\u4f7f\u7528<code>toRefs<\/code>\u6216<code>toRef<\/code>\u6765\u5904\u7406\u3002<\/li>\n<\/ul>\n<h3 id=\"listree-list4\" class=\"listree-list\">\u4f7f\u7528\u573a\u666f<\/h3>\n<ul>\n<li>\u5982\u679c\u4f60\u9700\u8981\u4e00\u4e2a\u54cd\u5e94\u5f0f\u539f\u59cb\u503c\uff0c\u90a3\u4e48\u4f7f\u7528<code>ref()<\/code>\u662f\u6b63\u786e\u7684\u9009\u62e9\u3002<\/li>\n<li>\u5982\u679c\u4f60\u9700\u8981\u4e00\u4e2a\u54cd\u5e94\u5f0f\u5bf9\u8c61\uff0c\u5c42\u7ea7\u4e0d\u6df1\uff0c\u90a3\u4e48\u4f7f\u7528<code>ref<\/code>\u4e5f\u53ef\u4ee5\u3002<\/li>\n<li>\u5982\u679c\u4f60\u9700\u8981\u4e00\u4e2a\u54cd\u5e94\u5f0f\u53ef\u53d8\u5bf9\u8c61\uff0c\u5e76\u4e14\u5bf9\u8c61\u5c42\u7ea7\u8f83\u6df1\uff0c\u9700\u8981\u6df1\u5ea6\u8ddf\u8e2a\uff0c\u90a3\u4e48\u4f7f\u7528<code>reactive<\/code>\u3002<\/li>\n<\/ul>\n<h3 id=\"listree-list5\" class=\"listree-list\">\u603b\u7ed3<\/h3>\n<p><code>ref<\/code>\u4f5c\u4e3aVue 3\u4e2d\u91cd\u8981\u7684\u54cd\u5e94\u5f0fAPI\uff0c\u4ee5\u5176\u7b80\u6d01\u548c\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u6210\u4e3a\u524d\u7aef\u5f00\u53d1\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u901a\u8fc7\u6df1\u5165\u7406\u89e3\u5176\u4f7f\u7528\u573a\u666f\u3001\u6700\u4f73\u5b9e\u8df5\u548c\u6e90\u7801\u539f\u7406\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u548c\u66f4\u65b0\u72b6\u6001\uff0c\u63d0\u5347\u524d\u7aef\u5f00\u53d1\u7684\u6548\u7387\u548c\u4ee3\u7801\u8d28\u91cf\u3002<\/p>\n<\/div>\n<div class=\"single-footer\">\n<div class=\"single_footer_box\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Vue 3\u4e2d\uff0cref\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684API\uff0c\u5b83\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u54cd\u5e94\u5f0f\u7684\u5f15\u7528\u5bf9\u8c61\u3002\u8fd9\u4e2a\u5bf9\u8c61\u5305\u542b\u4e00\u4e2a.value\u5c5e\u6027 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