{"id":840,"date":"2022-05-09T01:17:43","date_gmt":"2022-05-08T17:17:43","guid":{"rendered":"http:\/\/47.98.165.52\/?p=840"},"modified":"2022-07-11T02:49:13","modified_gmt":"2022-07-10T18:49:13","slug":"%e5%ad%90%e7%bb%84%e4%bb%b6%e4%bd%bf%e7%94%a8this-emit%e5%90%91%e7%88%b6%e7%bb%84%e4%bb%b6%e4%bc%a0%e5%80%bc","status":"publish","type":"post","link":"\/?p=840","title":{"rendered":"\u5b50\u7ec4\u4ef6\u4f7f\u7528this.$emit()\u5411\u7236\u7ec4\u4ef6\u4f20\u503c"},"content":{"rendered":"<p>\u9996\u5148\u5fc5\u987b\u5728\u7236\u7ec4\u4ef6\u4e2d\u5f15\u7528\u5b50\u7ec4\u4ef6\uff0c\u7136\u540e\u5b9e\u73b0\u4f20\u503c<\/p>\n<ul>\n<li>\n<p>\u7b2c\u4e00\u6b65 \u5728\u7236\u7ec4\u4ef6\u4e2d\u5f15\u5165\u5b50\u7ec4\u4ef6<\/p>\n<p>\u4f7f\u7528import\u5f15\u5165\u7ec4\u4ef6<\/p>\n<\/li>\n<\/ul>\n<pre><code class=\"language-javascript\">import Content from &#039;.\/Content.vue&#039;<\/code><\/pre>\n<p>\u58f0\u660e<\/p>\n<pre><code class=\"language-javascript\">\/\/\u5b9a\u4e49\u7ec4\u4ef6\nexport default {\n    components: {\n        Content,\n        ...\n    },\n    ...\n}<\/code><\/pre>\n<ul>\n<li>\u7b2c\u4e8c\u6b65 \u5b50\u7ec4\u4ef6\u5411\u7236\u7ec4\u4ef6\u4f20\u503c<\/li>\n<\/ul>\n<ol>\n<li>\n<p>\u5728\u5b50\u7ec4\u4ef6\u4e2d\u9700\u8981\u5411\u7236\u7ec4\u4ef6\u4f20\u503c\u5904\u4f7f\u7528<code>this.$emit(&quot;function&quot;,param);   \/\/\u5176\u4e2dfunction\u4e3a\u7236\u7ec4\u4ef6\u5b9a\u4e49\u51fd\u6570\uff0cparam\u4e3a\u9700\u8981\u4f20\u9012\u53c2\u6570<\/code><\/p>\n<pre><code class=\"language-javascript\">export default {\nmethods:{\n ...\nchangeMenu(){\n \/\/\u70b9\u51fb\u5207\u6362\u6309\u94ae\u7684\u65f6\u5019 \u4fee\u6539\u7236\u7ec4\u4ef6\u7684\u6570\u636e isCollapse\n this.$emit('changeCollapse')\n},\n ...\n}\n}<\/code><\/pre>\n<\/li>\n<li>\n<p>\u5728\u7236\u7ec4\u4ef6\u4e2d\u5b50\u7ec4\u4ef6\u5f15\u7528\u5904\u6dfb\u52a0\u51fd\u6570v-on:function=&quot;function1&quot;\uff1b \/\/\u5176\u4e2dfunction\u4e3a\u5b50\u7ec4\u4ef6\u4e2d\u5b9a\u4e49\u51fd\u6570\uff0cfunction1\u4e3a\u7236\u7ec4\u4ef6\u5b9a\u4e49\u51fd\u6570--\u7528\u4e8e\u63a5\u6536\u5b50\u7ec4\u4ef6\u4f20\u503c\u5e76\u8fdb\u884c\u76f8\u5e94\u6570\u636e\u5904\u7406\uff0c\u53ef\u5b9a\u4e49\u4e3a\u540c\u4e00\u540d\u79f0<\/p>\n<\/li>\n<\/ol>\n<p><code>v-on<\/code>\uff1a \u53ef\u7528 @ \u4ee3\u66ff @function=&quot;function1&quot; \uff0c@ \u4e3a v-on\uff1a\u7684\u7b80\u5199<\/p>\n<pre><code class=\"language-javascript\">&lt;Content class=&quot;content&quot; @changeCollapse=&quot;changeCollapse&quot;\/&gt;\n&lt;Content class=&quot;content&quot; v-on:changeCollapse=&quot;changeCollapse&quot;\/&gt;<\/code><\/pre>\n<p>val\u53ca\u4e3a\u5b50\u7ec4\u4ef6\u4e2dflag\uff0c\u5373\u63a5\u6536\u7684\u5b50\u7ec4\u4ef6\u53c2\u6570<\/p>\n<p>\u4e0b\u9762\u5728\u7236\u7ec4\u4ef6\u4e2d\u5b9a\u4e49changeCollapse\u65b9\u6cd5\uff1a<\/p>\n<pre><code class=\"language-javascript\">export default {\n    components: {\n        MyMenu,\n        Content\n    },\n  data(){\n      return{\n        isCollapse: false\n      }\n  },\n  methods:{\n    changeCollapse(){\n      this.isCollapse = !this.isCollapse\n    }\n  }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148\u5fc5\u987b\u5728\u7236\u7ec4\u4ef6\u4e2d\u5f15\u7528\u5b50\u7ec4\u4ef6\uff0c\u7136\u540e\u5b9e\u73b0\u4f20\u503c \u7b2c\u4e00\u6b65 \u5728\u7236\u7ec4\u4ef6\u4e2d\u5f15\u5165\u5b50\u7ec4\u4ef6 \u4f7f\u7528import\u5f15\u5165\u7ec4\u4ef6 import Content fro   \u2026 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[47],"tags":[81],"_links":{"self":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts\/840"}],"collection":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=840"}],"version-history":[{"count":2,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/840\/revisions"}],"predecessor-version":[{"id":1215,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/840\/revisions\/1215"}],"wp:attachment":[{"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=840"},{"taxonomy":"post_tag","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}