{"id":698,"date":"2024-01-05T08:37:47","date_gmt":"2024-01-05T00:37:47","guid":{"rendered":"http:\/\/ericw.top\/?p=698"},"modified":"2024-01-05T08:37:47","modified_gmt":"2024-01-05T00:37:47","slug":"%e9%9d%9e%e7%88%b6%e5%ad%90%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"http:\/\/ericw.top\/?p=698","title":{"rendered":"\u975e\u7236\u5b50\u901a\u4fe1"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"toc-0\">\u975e\u7236\u5b50\u901a\u4fe1\uff08\u62d3\u5c55\uff09 event bus \u4e8b\u4ef6\u603b\u7ebf<\/h2>\n\n\n\n<p>\u4f5c\u7528\uff1a\u975e\u7236\u5b50\u7ec4\u4ef6\u4e4b\u95f4\uff0c\u8fdb\u884c\u7b80\u6613\u6d88\u606f\u4f20\u9012\u3002 (\u590d\u6742\u573a\u666f \u2192 Vuex)<\/p>\n\n\n\n<p>1\u3001\u521b\u5efa\u4e00\u4e2a\u90fd\u80fd\u8bbf\u95ee\u5230\u7684\u4e8b\u4ef6\u603b\u7ebf (\u7a7a Vue \u5b9e\u4f8b) \u2192 utils\/EventBus.js<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >import Vue from &#039;vue&#039;\r\nconst Bus = new Vue()\r\nexport default Bus<\/code><\/pre>\n\n\n\n<p>2\u3001A \u7ec4\u4ef6(\u63a5\u6536\u65b9)\uff0c\u76d1\u542c Bus \u5b9e\u4f8b\u7684\u4e8b\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >created () {\r\n    Bus.$on(&#039;sendMsg&#039;, (msg) =&gt; {\r  \n    this.msg = msg\r\n  })\r\n}<\/code><\/pre>\n\n\n\n<p>3\u3001B \u7ec4\u4ef6(\u53d1\u9001\u65b9)\uff0c\u89e6\u53d1 Bus \u5b9e\u4f8b\u7684\u4e8b\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >Bus.$emit(&#039;sendMsg&#039;, &#039;\u8fd9\u662f\u4e00\u4e2a\u6d88\u606f&#039;)<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"978\" height=\"789\" src=\"http:\/\/ericw.top\/wp-content\/uploads\/2024\/01\/image-33.png\" alt=\"\" class=\"wp-image-699\" style=\"width:618px;height:auto\" srcset=\"http:\/\/ericw.top\/wp-content\/uploads\/2024\/01\/image-33.png 978w, http:\/\/ericw.top\/wp-content\/uploads\/2024\/01\/image-33-300x242.png 300w, http:\/\/ericw.top\/wp-content\/uploads\/2024\/01\/image-33-768x620.png 768w\" sizes=\"(max-width: 978px) 100vw, 978px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc-1\">\u975e\u7236\u5b50\u901a\u4fe1 (\u62d3\u5c55) - provide &amp; inject<\/h2>\n\n\n\n<p><code class=\"prettyprint\" >provide<\/code> &amp; <code class=\"prettyprint\" >inject<\/code> \u4f5c\u7528\uff1a\u8de8\u5c42\u7ea7\u5171\u4eab\u6570\u636e\u3002<\/p>\n\n\n\n<p>1\u3001\u7236\u7ec4\u4ef6 provide \u63d0\u4f9b\u6570\u636e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >export default {\r\n  provide () {\r\n    return {\r\n      \/\/ \u666e\u901a\u7c7b\u578b\u3010\u975e\u54cd\u5e94\u5f0f\u3011\r\n      color: this.color, \r\n      \/\/ \u590d\u6742\u7c7b\u578b\u3010\u54cd\u5e94\u5f0f\u3011\r\n      userInfo: this.userInfo, \r\n    }\r\n  }\r\n}<\/code><\/pre>\n\n\n\n<p>2\u3001\u5b50\/\u5b59\u7ec4\u4ef6 inject \u53d6\u503c\u4f7f\u7528<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >export default {\r\n  inject: &#091;&#039;color&#039;,&#039;userInfo&#039;],\r\n    created () {\r\n    console.log(this.color, this.userInfo)\r\n  }\r\n}<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"795\" height=\"555\" src=\"http:\/\/ericw.top\/wp-content\/uploads\/2024\/01\/image-34.png\" alt=\"\" class=\"wp-image-700\" style=\"width:549px;height:auto\" srcset=\"http:\/\/ericw.top\/wp-content\/uploads\/2024\/01\/image-34.png 795w, http:\/\/ericw.top\/wp-content\/uploads\/2024\/01\/image-34-300x209.png 300w, http:\/\/ericw.top\/wp-content\/uploads\/2024\/01\/image-34-768x536.png 768w\" sizes=\"(max-width: 795px) 100vw, 795px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u975e\u7236\u5b50\u901a\u4fe1\uff08\u62d3\u5c55\uff09 event bus \u4e8b\u4ef6\u603b\u7ebf \u4f5c\u7528\uff1a\u975e\u7236\u5b50\u7ec4\u4ef6\u4e4b\u95f4\uff0c\u8fdb\u884c\u7b80\u6613\u6d88\u606f\u4f20\u9012\u3002 (\u590d\u6742\u573a\u666f \u2192 V [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":700,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,5],"tags":[],"_links":{"self":[{"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts\/698"}],"collection":[{"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=698"}],"version-history":[{"count":1,"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts\/698\/revisions"}],"predecessor-version":[{"id":701,"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/posts\/698\/revisions\/701"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=\/wp\/v2\/media\/700"}],"wp:attachment":[{"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=698"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ericw.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}