{"id":43,"date":"2023-07-20T02:17:55","date_gmt":"2023-07-19T18:17:55","guid":{"rendered":"http:\/\/iwebg.cn\/?p=43"},"modified":"2023-07-20T02:18:55","modified_gmt":"2023-07-19T18:18:55","slug":"vue%e9%9d%a2%e8%af%95%e9%a2%98","status":"publish","type":"post","link":"http:\/\/iwebg.cn\/index.php\/2023\/07\/20\/vue%e9%9d%a2%e8%af%95%e9%a2%98\/","title":{"rendered":"2022 \u67d0\u547c Vue\u9762\u8bd5\u9898"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">1.\u4e3a\u4ec0\u4e48\u4f7f\u7528\u865a\u62dfDOM<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u771f\u5b9eDOM\u7684\u4ee3\u4ef7\u9ad8\uff1a\u771f\u5b9e\u7684 DOM \u8282\u70b9 node \u5b9e\u73b0\u7684\u5c5e\u6027\u5f88\u591a\uff0c\u800c vnode \u4ec5\u4ec5\u5b9e\u73b0\u4e00\u4e9b\u5fc5\u8981\u7684\u5c5e\u6027\uff0c\u76f8\u6bd4\u8d77\u6765\uff0c\u521b\u5efa\u4e00\u4e2a vnode \u7684\u6210\u672c\u6bd4\u8f83\u4f4e\u3002<\/li>\n\n\n\n<li>\u89e6\u53d1\u591a\u6b21\u6d4f\u89c8\u5668\u91cd\u7ed8\u53ca\u56de\u6d41\uff1a\u4f7f\u7528 vnode \uff0c\u76f8\u5f53\u4e8e\u52a0\u4e86\u4e00\u4e2a\u7f13\u51b2\uff0c\u8ba9\u4e00\u6b21\u6570\u636e\u53d8\u52a8\u6240\u5e26\u6765\u7684\u6240\u6709 node \u53d8\u5316\uff0c\u5148\u5728 vnode \u4e2d\u8fdb\u884c\u4fee\u6539\uff0c\u7136\u540e diff \u4e4b\u540e\u5bf9\u6240\u6709\u4ea7\u751f\u5dee\u5f02\u7684\u8282\u70b9\u96c6\u4e2d\u4e00\u6b21\u5bf9 DOM tree \u8fdb\u884c\u4fee\u6539\uff0c\u4ee5\u51cf\u5c11\u6d4f\u89c8\u5668\u7684\u91cd\u7ed8\u53ca\u56de\u6d41\u3002<\/li>\n\n\n\n<li>\u865a\u62dfdom\u7531\u4e8e\u672c\u8d28\u662f\u4e00\u4e2ajs\u5bf9\u8c61\uff0c\u56e0\u6b64\u5929\u751f\u5177\u5907\u8de8\u5e73\u53f0\u7684\u80fd\u529b\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5728\u4e0d\u540c\u5e73\u53f0\u7684\u51c6\u786e\u663e\u793a\u3002<\/li>\n\n\n\n<li>Virtual DOM \u5728\u6027\u80fd\u4e0a\u7684\u6536\u76ca\u5e76\u4e0d\u662f\u6700\u4e3b\u8981\u7684\uff0c\u66f4\u91cd\u8981\u7684\u662f\u5b83\u4f7f\u5f97 Vue \u5177\u5907\u4e86\u73b0\u4ee3\u6846\u67b6\u5e94\u6709\u7684\u9ad8\u7ea7\u7279\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2.Vue\u7ec4\u4ef6\u901a\u4fe1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7236\u7ec4\u4ef6\u5411\u5b50\u7ec4\u4ef6\u4f20\u503c<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u7236\u7ec4\u4ef6\u53d1\u9001\u7684\u5f62\u5f0f\u662f\u4ee5\u5c5e\u6027\u7684\u5f62\u5f0f\u7ed1\u5b9a\u503c\u5230\u5b50\u7ec4\u4ef6\u8eab\u4e0a\u3002<br>\u7136\u540e\u5b50\u7ec4\u4ef6\u7528\u5c5e\u6027props\u63a5\u6536<br>\u5728props\u4e2d\u4f7f\u7528\u9a7c\u5cf0\u5f62\u5f0f\uff0c\u6a21\u677f\u4e2d\u9700\u8981\u4f7f\u7528\u77ed\u6a2a\u7ebf\u7684\u5f62\u5f0f\u5b57\u7b26\u4e32\u5f62\u5f0f\u7684\u6a21\u677f\u4e2d\u6ca1\u6709\u8fd9\u4e2a\u9650\u5236<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b50\u7ec4\u4ef6\u5411\u7236\u7ec4\u4ef6\u4f20\u503c<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5b50\u7ec4\u4ef6\u7528$emit()\u89e6\u53d1\u4e8b\u4ef6<br>$emit() \u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a \u81ea\u5b9a\u4e49\u7684\u4e8b\u4ef6\u540d\u79f0 \u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u9700\u8981\u4f20\u9012\u7684\u6570\u636e $(event)\u6765\u63a5\u6536<br>\u7236\u7ec4\u4ef6\u7528v-on \u7f29\u5199\u4e3a@ \u76d1\u542c\u5b50\u7ec4\u4ef6\u7684\u4e8b\u4ef6<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5144\u5f1f\u4e4b\u95f4\u7684\u4f20\u9012<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5144\u5f1f\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u9700\u8981\u501f\u52a9\u4e8e\u4e8b\u4ef6\u4e2d\u5fc3\uff0c\u901a\u8fc7\u4e8b\u4ef6\u4e2d\u5fc3\u4f20\u9012\u6570\u636e<br>\u63d0\u4f9b\u4e8b\u4ef6\u4e2d\u5fc3 var hub = new Vue()<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f20\u9012\u6570\u636e\u65b9\uff0c\u901a\u8fc7\u4e00\u4e2a\u4e8b\u4ef6\u89e6\u53d1hub.$emit(\u65b9\u6cd5\u540d\uff0c\u4f20\u9012\u7684\u6570\u636e)<\/li>\n\n\n\n<li>\u63a5\u6536\u6570\u636e\u65b9\uff0c\u901a\u8fc7mounted(){} \u94a9\u5b50\u4e2d \u89e6\u53d1hub.$on()\u65b9\u6cd5\u540d<\/li>\n\n\n\n<li>\u9500\u6bc1\u4e8b\u4ef6 \u901a\u8fc7hub.$off()\u65b9\u6cd5\u540d\u9500\u6bc1\u4e4b\u540e\u65e0\u6cd5\u8fdb\u884c\u4f20\u9012\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3.Vue\u4e2dkey\u662f\u7528\u6765\u505a\u4ec0\u4e48\u7684\uff1f\u4e3a\u4ec0\u4e48\u4e0d\u63a8\u4ecb\u4f7f\u7528index\u4f5c\u4e3akey\uff1f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>key\u7684\u4f5c\u7528\u4e3b\u8981\u662f\u4e3a\u4e86\u9ad8\u6548\u7684\u66f4\u65b0\u865a\u62dfDOM\uff08\u4f7f\u7528key\uff0c\u5b83\u4f1a\u57fa\u4e8ekey\u7684\u53d8\u5316\u91cd\u65b0\u6392\u5217\u5143\u7d20\u987a\u5e8f\uff0c\u5e76\u4e14\u4f1a\u79fb\u9664key\u4e0d\u5b58\u5728\u7684\u5143\u7d20\uff09<\/li>\n\n\n\n<li>\u5f53\u4ee5\u6570\u7ec4\u7684\u4e0b\u6807index\u4f5c\u4e3aindex\u503c\u65f6\uff0c\u5176\u4e2d\u4e00\u4e2a\u5143\u7d20\uff08\u5982\u589e\u5220\u6539\u67e5\uff09\u53d1\u751f\u4e86\u53d8\u5316\u5c31\u6709\u53ef\u80fd\u5bfc\u81f4\u6240\u6709\u5143\u7d20\u7684key\u503c\u53d1\u751f\u53d8\u5316<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.\u4ec0\u4e48\u662f\u751f\u547d\u5468\u671f\uff1a<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u4eceVue\u5b9e\u4f8b\u521b\u5efa\u3001\u8fd0\u884c\u3001\u5230\u9500\u6bc1\u671f\u95f4\uff0c\u4f34\u968f\u7740\u7684\u5404\u79cd\u4e8b\u4ef6\uff0c\u8fd9\u4e9b\u4e8b\u4ef6\u7edf\u79f0\u4e3a\u751f\u547d\u5468\u671f<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u751f\u547d\u5468\u671f\u51fd\u6570\u5206\u7c7b<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u671f\u95f4\u7684\u751f\u547d\u5468\u671f\u51fd\u6570\uff1a<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>beforeCreate\uff1a\u5b9e\u4f8b\u521a\u5728\u5185\u5b58\u4e2d\u88ab\u521b\u5efa\u51fa\u6765\uff0c\u6b64\u65f6\u8fd8\u6ca1\u6709\u521d\u59cb\u5316\u597ddata\u548cmethods\u5c5e\u6027<\/li>\n\n\n\n<li>created\uff1a\u5b9e\u4f8b\u5df2\u7ecf\u5728\u5185\u5b58\u4e2d\u521b\u5efa\u51fa\u6765\uff0c\u6b64\u65f6\u7684data\u548cmethods\u4ee5\u53ca\u521b\u5efa\u5b8c\u6210\uff0c\u4f46\u662f\u8fd8\u6ca1\u6709\u5f00\u59cb\u7f16\u8bd1\u6a21\u677f<\/li>\n\n\n\n<li>beforeMount\uff1a\u6b64\u65f6\u5df2\u7ecf\u5b8c\u6210\u4e86\u6a21\u677f\u7684\u7f16\u8bd1\uff0c\u4f46\u662f\u8fd8\u6ca1\u6709\u6302\u8f7d\u5230\u9875\u9762\u4e0a<br>mounted\uff1a\u5df2\u7ecf\u5c06\u7f16\u8bd1\u597d\u7684\u6a21\u677f\uff0c\u6302\u8f7d\u5230\u4e86\u9875\u9762\u6307\u5b9a\u7684\u5bb9\u5668\u4e2d\u663e\u793a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd0\u884c\u671f\u95f4\u7684\u751f\u547d\u5468\u671f\u51fd\u6570\uff1a<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>beforeUpdate\uff1a\u72b6\u6001\u66f4\u65b0\u4e4b\u524d\u6267\u884c\u6b64\u51fd\u6570\uff0c\u6b64\u65f6data\u4e2d\u7684\u72b6\u6001\u503c\u662f\u6700\u65b0\u7684\uff0c\u4f46\u662f\u754c\u9762\u4e0a\u663e\u793a\u7684\u6570\u636e\u8fd8\u662f\u65e7\u7684\uff0c\u56e0\u4e3a\u6b64\u65f6\u8fd8\u6ca1\u6709\u5f00\u59cb\u91cd\u65b0\u6e32\u67d3DOM\u8282\u70b9<\/li>\n\n\n\n<li>updated\uff1a\u5b9e\u4f8b\u66f4\u65b0\u5b8c\u6bd5\u4e4b\u540e\u8c03\u7528\u6b64\u51fd\u6570\uff0c\u6b64\u65f6data\u4e2d\u7684\u72b6\u6001\u503c\u548c\u754c\u9762\u4e0a\u663e\u793a\u7684\u6570\u636e\uff0c\u90fd\u5df2\u7ecf\u5b8c\u6210\u4e86\u66f4\u65b0\uff0c\u754c\u9762\u5df2\u7ecf\u88ab\u91cd\u65b0\u6e32\u67d3\u597d\u4e86<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9500\u6bc1\u671f\u95f4\u7684\u751f\u547d\u5468\u671f\u51fd\u6570\uff1a<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6ce8\u610f \uff01\uff01\uff01vue3\uff0c\u5219\u662fbeforeunmount\u548cunmount<\/p>\n<\/blockquote>\n\n\n\n<ol class=\"wp-block-list\">\n<li>beforeDestory\uff1a\u5b9e\u4f8b\u9500\u6bc1\u4e4b\u524d\u8c03\u7528\uff0c\u5728\u8fd9\u4e00\u6b65\uff0c\u5b9e\u4f8b\u4ecd\u7136\u5b8c\u5168\u53ef\u7528<\/li>\n\n\n\n<li>destroyed\uff1aVue\u5b9e\u4f8b\u9500\u6bc1\u4e4b\u540e\u8c03\u7528\u3002\u8c03\u7528\u540e\uff0cVue\u5b9e\u4f8b\u6307\u793a\u7684\u6240\u6709\u4e1c\u897f\u90fd\u4f1a\u89e3\u7ed1\u5b9a\uff0c\u6240\u6709\u7684\u4e8b\u4ef6\u76d1\u542c\u5668\u4f1a\u88ab\u79fb\u9664\uff0c\u6240\u6709\u7684\u5b50\u5b9e\u4f8b\u4e5f\u4f1a\u88ab\u9500\u6bc1<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">5.v-show\u548cv-if\u7684\u533a\u522b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>v-show\u539f\u7406\u662f\u4fee\u6539\u5143\u7d20\u7684css\u5c5e\u6027display:none\u6765\u51b3\u5b9a\u662f\u663e\u793a\u8fd8\u662f\u9690\u85cf<\/li>\n\n\n\n<li>v-if\u5219\u662f\u901a\u8fc7\u64cd\u4f5cDOM\u6765\u8fdb\u884c\u5207\u6362\u663e\u793a<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6.\u53cc\u5411\u6570\u636e\u7ed1\u5b9a<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5b9e\u73b0mvvm\u7684\u53cc\u5411\u7ed1\u5b9a\uff0c\u662f\u91c7\u7528\u6570\u636e\u52ab\u6301\u7ed3\u5408\u53d1\u5e03\u8005-\u8ba2\u9605\u8005\u6a21\u5f0f\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7Object.defineProperty()\u6765\u52ab\u6301\u5404\u4e2a\u5c5e\u6027\u7684setter\uff0cgetter\uff0c\u5728\u6570\u636e\u53d8\u52a8\u65f6\u53d1\u5e03\u6d88\u606f\u7ed9\u8ba2\u9605\u8005\uff0c\u89e6\u53d1\u76f8\u5e94\u7684\u76d1\u542c\u56de\u8c03\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">7.Vue\u5bfc\u822a\u5b88\u536b\u7684\u94a9\u5b50\u51fd\u6570\u6709\u54ea\u4e9b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5168\u5c40\u5b88\u536b<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>router.beforeEach\uff1a\u5168\u5c40\u524d\u7f6e\u5b88\u536b\uff0c\u8fdb\u5165\u8def\u7531\u4e4b\u524d<\/li>\n\n\n\n<li>router.beforeResolve\uff1a\u5168\u5c40\u89e3\u6790\u5b88\u536b\uff0c\u5728beforeRouteEnter\u8c03\u7528\u4e4b\u540e\u8c03\u7528<\/li>\n\n\n\n<li>router.afterEach\uff1a\u5168\u5c40\u540e\u7f6e\u94a9\u5b50\uff0c\u8fdb\u5165\u8def\u7531\u4e4b\u540e<br><strong>\u8def\u7531\u7ec4\u4ef6\u5185\u7684\u5b88\u536b<\/strong><\/li>\n\n\n\n<li>beforeRouteEnter()\uff1a\u8fdb\u5165\u8def\u7531\u524d<\/li>\n\n\n\n<li>beforeRouteUpdate()\uff1a\u8def\u7531\u590d\u7528\u540c\u4e00\u4e2a\u7ec4\u4ef6\u65f6<\/li>\n\n\n\n<li>beforeRouteLeave()\uff1a\u79bb\u5f00\u5f53\u524d\u8def\u7531\u65f6<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">8.vue\u7f16\u7a0b\u5f0f\u7684\u5bfc\u822a\u8df3\u8f6c\u4f20\u53c2\u7684\u65b9\u5f0f\u6709\u54ea\u4e9b\uff1f<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u547d\u540d\u7684\u8def\u7531\nrouter.push({ name: 'user', params: { userId: '123' }})\n\u200b\n\/\/ \u5e26\u67e5\u8be2\u53c2\u6570\uff0c\u53d8\u6210 \/register?plan=private\nrouter.push({ path: 'register', query: { plan: 'private' }})<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">9.vuex\u662f\u4ec0\u4e48\uff1f\u600e\u4e48\u4f7f\u7528\uff1f\u54ea\u79cd\u529f\u80fd\u573a\u666f\u4f7f\u7528\u5b83\uff1f<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5728main.js\u5f15\u5165store\uff0c\u6ce8\u5165\u3002\u65b0\u5efa\u4e86\u4e00\u4e2astore\u76ee\u5f55\uff0c\u7136\u540e\u2026.. export \u3002 \u573a\u666f\uff1a\u5355\u9875\u5e94\u7528\u4e2d\uff0c\u7ec4\u4ef6\u4e4b\u95f4\u7684\u5171\u4eab\u72b6\u6001\u548c\u65b9\u6cd5 state Vuex \u4f7f\u7528\u5355\u4e00\u72b6\u6001\u6811,\u5373\u6bcf\u4e2a\u5e94\u7528\u5c06\u4ec5\u4ec5\u5305\u542b\u4e00\u4e2astore \u5b9e\u4f8b\uff0c\u4f46\u5355\u4e00\u72b6\u6001\u6811\u548c\u6a21\u5757\u5316\u5e76\u4e0d\u51b2\u7a81\u3002\u5b58\u653e\u7684\u6570\u636e\u72b6\u6001\uff0c\u4e0d\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u91cc\u9762\u7684\u6570\u636e\u3002 mutations mutations\u5b9a\u4e49\u7684\u65b9\u6cd5\u52a8\u6001\u4fee\u6539Vuex \u7684 store \u4e2d\u7684\u72b6\u6001\u6216\u6570\u636e\u3002 getters \u7c7b\u4f3cvue\u7684\u8ba1\u7b97\u5c5e\u6027\uff0c\u4e3b\u8981\u7528\u6765\u8fc7\u6ee4\u4e00\u4e9b\u6570\u636e\u3002 action actions\u53ef\u4ee5\u7406\u89e3\u4e3a\u901a\u8fc7\u5c06mutations\u91cc\u9762\u5904\u91cc\u6570\u636e\u7684\u65b9\u6cd5\u53d8\u6210\u53ef\u5f02\u6b65\u7684\u5904\u7406\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u7b80\u5355\u7684\u8bf4\u5c31\u662f\u5f02\u6b65\u64cd\u4f5c\u6570\u636e\u3002view \u5c42\u901a\u8fc7 store.dispath \u6765\u5206\u53d1 action\u3002 modules \u9879\u76ee\u7279\u522b\u590d\u6742\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u8ba9\u6bcf\u4e00\u4e2a\u6a21\u5757\u62e5\u6709\u81ea\u5df1\u7684state\u3001mutation\u3001action\u3001getters,\u4f7f\u5f97\u7ed3\u6784\u975e\u5e38\u6e05\u6670\uff0c\u65b9\u4fbf\u7ba1\u7406\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">10.mvc\u548cmvvc\u7684\u533a\u522b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MVC<\/strong><\/li>\n\n\n\n<li><strong>MVC<\/strong> \u5305\u62ecview\u89c6\u56fe\u5c42\u3001controller\u63a7\u5236\u5c42\u3001model\u6570\u636e\u5c42\u3002\u5404\u90e8\u5206\u4e4b\u95f4\u7684\u901a\u4fe1\u90fd\u662f\u5355\u5411\u7684\u3002<\/li>\n\n\n\n<li>View \u4f20\u9001\u6307\u4ee4\u5230 Controller Controller \u5b8c\u6210\u4e1a\u52a1\u903b\u8f91\u540e\uff0c\u8981\u6c42 Model \u6539\u53d8\u72b6\u6001 Model \u5c06\u65b0\u7684\u6570\u636e\u53d1\u9001\u5230 View\uff0c\u7528\u6237\u5f97\u5230\u53cd\u9988<br><img decoding=\"async\" src=\"http:\/\/apia.zlhranhou.com\/index.php\/api\/download?file_id=31\" alt=\"Description\"><\/li>\n\n\n\n<li><strong>MVVM<\/strong><\/li>\n\n\n\n<li>MVVM\u5305\u62ecview\u89c6\u56fe\u5c42\u3001model\u6570\u636e\u5c42\u3001viewmodel\u5c42\u3002\u5404\u90e8\u5206\u901a\u4fe1\u90fd\u662f\u53cc\u5411\u7684\u3002<\/li>\n\n\n\n<li>\u91c7\u7528\u53cc\u5411\u6570\u636e\u7ed1\u5b9a\uff0cView\u7684\u53d8\u52a8\uff0c\u81ea\u52a8\u53cd\u6620\u5728 ViewModel\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002 mvvm\u4ee3\u8868\u6846\u67b6\uff1aAngularjs\u3001React\u3001Vue mvvm\u4e3b\u8981\u89e3\u51b3\u4e86mvc\u4e2d\u5927\u91cf dom\u64cd\u4f5c\u4f7f\u5f97\u9875\u9762\u6e32\u67d3\u6027\u80fd\u964d\u4f4e\uff0c\u52a0\u8f7d\u901f\u5ea6\u53d8\u6162\uff0c\u5f71\u54cd\u7528\u6237\u4f53\u9a8c<br><img decoding=\"async\" src=\"http:\/\/apia.zlhranhou.com\/index.php\/api\/download?file_id=32\" alt=\"Description\"><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">11.\u8bf4\u51fa\u81f3\u5c11vue 3\u4e2a\u5e38\u7528\u4e8b\u4ef6\u4fee\u9970\u7b26?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>.stop \u963b\u6b62\u70b9\u51fb\u4e8b\u4ef6\u5192\u6ce1<\/li>\n\n\n\n<li>.prevent \u963b\u6b62\u9ed8\u8ba4\u4e8b\u4ef6<\/li>\n\n\n\n<li>.once \u53ea\u6267\u884c\u4e00\u6b21<\/li>\n\n\n\n<li>.self \u53ea\u5728\u5143\u7d20\u672c\u8eab\u89e6\u53d1<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">12.vuex\u6709\u54ea\u51e0\u79cd\u5c5e\u6027<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>state\uff1avuex\u7684\u57fa\u672c\u6570\u636e\uff0c\u7528\u6765\u5b58\u50a8\u53d8\u91cf<\/li>\n\n\n\n<li>geeter\uff1a\u4ece\u57fa\u672c\u6570\u636e(state)\u6d3e\u751f\u7684\u6570\u636e\uff0c\u76f8\u5f53\u4e8estate\u7684\u8ba1\u7b97\u5c5e\u6027<\/li>\n\n\n\n<li>mutation\uff1a\u63d0\u4ea4\u66f4\u65b0\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u5fc5\u987b\u662f\u540c\u6b65\u7684(\u5982\u679c\u9700\u8981\u5f02\u6b65\u4f7f\u7528action)\u3002\u6bcf\u4e2amutation \u90fd\u6709\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684 \u4e8b\u4ef6\u7c7b\u578b (type) \u548c \u4e00\u4e2a \u56de\u8c03\u51fd\u6570 (handler)\u3002\u56de\u8c03\u51fd\u6570\u5c31\u662f\u6211\u4eec\u5b9e\u9645\u8fdb\u884c\u72b6\u6001\u66f4\u6539\u7684\u5730\u65b9\uff0c\u5e76\u4e14\u5b83\u4f1a\u63a5\u53d7 state \u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u63d0\u4ea4\u8f7d\u8377\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u3002<\/li>\n\n\n\n<li>action\uff1a\u548cmutation\u7684\u529f\u80fd\u5927\u81f4\u76f8\u540c\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e ==\u300b1. Action \u63d0\u4ea4\u7684\u662f mutation\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u53d8\u66f4\u72b6\u6001\u3002 2. Action \u53ef\u4ee5\u5305\u542b\u4efb\u610f\u5f02\u6b65\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">&#8211; modules\uff1a\u6a21\u5757\u5316vuex\uff0c\u53ef\u4ee5\u8ba9\u6bcf\u4e00\u4e2a\u6a21\u5757\u62e5\u6709\u81ea\u5df1\u7684state\u3001mutation\u3001action\u3001getters,\u4f7f\u5f97\u7ed3\u6784\u975e\u5e38\u6e05\u6670\uff0c\u65b9\u4fbf\u7ba1\u7406\u3002<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/422730888\">\u539f\u6587\u94fe\u63a5<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.\u4e3a\u4ec0\u4e48\u4f7f\u7528\u865a\u62dfDOM 2.Vue\u7ec4\u4ef6\u901a\u4fe1 \u7236\u7ec4\u4ef6\u5411\u5b50\u7ec4\u4ef6\u4f20\u503c \u7236\u7ec4\u4ef6\u53d1\u9001\u7684\u5f62\u5f0f\u662f\u4ee5\u5c5e\u6027\u7684\u5f62\u5f0f\u7ed1\u5b9a\u503c\u5230\u5b50\u7ec4\u4ef6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[7,5],"class_list":["post-43","post","type-post","status-publish","format-standard","hentry","category-3","tag-vue","tag-5"],"_links":{"self":[{"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/posts\/43","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/comments?post=43"}],"version-history":[{"count":3,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/posts\/43\/revisions"}],"predecessor-version":[{"id":47,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/posts\/43\/revisions\/47"}],"wp:attachment":[{"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/media?parent=43"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/categories?post=43"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/iwebg.cn\/index.php\/wp-json\/wp\/v2\/tags?post=43"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}