{"id":8182,"date":"2023-11-28T20:17:43","date_gmt":"2023-11-28T12:17:43","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=8182"},"modified":"2023-12-02T21:50:20","modified_gmt":"2023-12-02T13:50:20","slug":"vue-zhong-zai-shuo-yi-xiavue2-x-zhong-ru-he-jian-c","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/vue-zhong-zai-shuo-yi-xiavue2-x-zhong-ru-he-jian-c\/","title":{"rendered":"Vue \u4e2d\u518d\u8bf4\u4e00\u4e0b vue2.x \u4e2d\u5982\u4f55\u76d1\u6d4b\u6570\u7ec4\u53d8\u5316\uff1f"},"content":{"rendered":"<p>\u5728 Vue 2.x \u4e2d\uff0cVue \u4f7f\u7528\u4e86\u4fa6\u6d4b\u6570\u7ec4\u53d8\u5316\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u54cd\u5e94\u5f0f\u6570\u636e\u3002Vue \u7684\u54cd\u5e94\u5f0f\u7cfb\u7edf\u901a\u8fc7\u4e00\u4e9b\u6280\u5de7\u6765\u6355\u83b7\u5e76\u54cd\u5e94\u5bf9\u6570\u7ec4\u7684\u53d8\u5316\u3002<\/p>\n<h3><a id=\"vue-2-x%E4%B8%AD%E7%9B%91%E6%B5%8B%E6%95%B0%E7%BB%84%E5%8F%98%E5%8C%96%E7%9A%84%E6%96%B9%E6%B3%95%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>Vue 2.x \u4e2d\u76d1\u6d4b\u6570\u7ec4\u53d8\u5316\u7684\u65b9\u6cd5\uff1a<\/h3>\n<ol>\n<li>\n<p><strong>\u91cd\u5199\u6570\u7ec4\u65b9\u6cd5<\/strong>\uff1aVue \u91cd\u5199\u4e86\u6570\u7ec4\u7684\u4e00\u4e9b\u65b9\u6cd5\uff08\u5982 <code>push<\/code>\u3001<code>pop<\/code>\u3001<code>shift<\/code>\u3001<code>unshift<\/code>\u3001<code>splice<\/code>\u3001<code>sort<\/code> \u548c <code>reverse<\/code> \u7b49\uff09\uff0c\u5728\u6267\u884c\u8fd9\u4e9b\u6570\u7ec4\u65b9\u6cd5\u65f6\u4f1a\u89e6\u53d1\u901a\u77e5\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528 Object.defineProperty<\/strong>\uff1a\u5bf9\u6570\u7ec4\u7684\u6bcf\u4e2a\u7d22\u5f15\u8fdb\u884c <code>Object.defineProperty<\/code> \u7684\u52ab\u6301\uff0c\u5f53\u6570\u7ec4\u7684\u67d0\u4e2a\u7d22\u5f15\u88ab\u4fee\u6539\u65f6\uff0c\u4f1a\u89e6\u53d1\u5bf9\u5e94\u5c5e\u6027\u7684 setter\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u5b9e\u73b0\u5141\u8bb8 Vue \u8ddf\u8e2a\u5230\u6570\u7ec4\u53d8\u5316\uff0c\u4ece\u800c\u80fd\u591f\u5728\u6570\u7ec4\u53d8\u52a8\u65f6\u901a\u77e5\u76f8\u5173\u7684\u89c6\u56fe\u8fdb\u884c\u66f4\u65b0\u3002\u4f46\u662f\uff0c\u5b83\u5e76\u4e0d\u76d1\u542c\u6570\u7ec4\u5185\u975e\u7d22\u5f15\u5c5e\u6027\u7684\u53d8\u5316\uff0c\u6bd4\u5982\u76f4\u63a5\u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\u65b0\u589e\u5c5e\u6027\uff0cVue \u662f\u65e0\u6cd5\u68c0\u6d4b\u5230\u7684\u3002<\/p>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-javascript\">\/\/ \u793a\u4f8b\u6570\u7ec4\nconst vm = new Vue({\n  data: {\n    arr: [1, 2, 3]\n  }\n});\n\n\/\/ \u5f53\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u65f6\uff0cVue \u4f1a\u68c0\u6d4b\u5230\u6570\u7ec4\u53d8\u5316\u5e76\u89e6\u53d1\u54cd\u5e94\nvm.arr.push(4); \/\/ \u89e6\u53d1\u6570\u7ec4\u53d8\u5316\u901a\u77e5\uff0c\u66f4\u65b0\u89c6\u56fe\nvm.arr[0] = 10; \/\/ \u89e6\u53d1\u6570\u7ec4\u7d22\u5f15\u53d8\u5316\u901a\u77e5\uff0c\u66f4\u65b0\u89c6\u56fe\n\n\/\/ \u4f46\u662f\u4e0b\u9762\u7684\u64cd\u4f5c Vue \u662f\u65e0\u6cd5\u68c0\u6d4b\u5230\u7684\nvm.arr[3] = 5; \/\/ \u65e0\u6cd5\u89e6\u53d1\u54cd\u5e94\u5f0f\u66f4\u65b0\uff0c\u56e0\u4e3a\u76f4\u63a5\u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\u65b0\u589e\u5c5e\u6027\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u89e3\u51b3\u65e0\u6cd5\u68c0\u6d4b\u5230\u7684\u6570\u7ec4\u53d8\u5316\uff0cVue \u63d0\u4f9b\u4e86\u4e00\u4e9b\u53d8\u5f02\u65b9\u6cd5\uff08Mutation Methods\uff09\uff0c\u5982 <code>vm.$set<\/code> \u6216 <code>Vue.set<\/code> \u53ef\u4ee5\u7528\u6765\u5411\u54cd\u5e94\u5f0f\u5bf9\u8c61\u6dfb\u52a0\u54cd\u5e94\u5f0f\u5c5e\u6027\uff0c\u5e76\u786e\u4fdd\u8fd9\u4e9b\u5c5e\u6027\u88ab\u89c2\u5bdf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Vue 2.x \u4e2d\uff0cVue \u4f7f\u7528\u4e86\u4fa6\u6d4b\u6570\u7ec4\u53d8\u5316\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u54cd\u5e94\u5f0f\u6570\u636e\u3002Vue \u7684\u54cd\u5e94\u5f0f\u7cfb\u7edf\u901a\u8fc7\u4e00\u4e9b\u6280\u5de7\u6765\u6355 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-8182","post","type-post","status-publish","format-standard","hentry","category-vue"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8182","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=8182"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8182\/revisions"}],"predecessor-version":[{"id":14049,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8182\/revisions\/14049"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=8182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=8182"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=8182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}