{"id":8324,"date":"2023-11-28T20:24:55","date_gmt":"2023-11-28T12:24:55","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=8324"},"modified":"2023-12-02T22:31:52","modified_gmt":"2023-12-02T14:31:52","slug":"vue-zhong-ru-he-cong-zi-zu-jian-fa-chu-zi-ding-yi","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/vue-zhong-ru-he-cong-zi-zu-jian-fa-chu-zi-ding-yi\/","title":{"rendered":"Vue \u4e2d\u5982\u4f55\u4ece\u5b50\u7ec4\u4ef6\u53d1\u51fa\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff1f"},"content":{"rendered":"<p>\u5728 Vue \u4e2d\uff0c\u5b50\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7 <code>$emit<\/code> \u65b9\u6cd5\u53d1\u51fa\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff0c\u7236\u7ec4\u4ef6\u53ef\u4ee5\u76d1\u542c\u8fd9\u4e9b\u4e8b\u4ef6\u5e76\u4f5c\u51fa\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n<h3><a id=\"%E5%9C%A8%E5%AD%90%E7%BB%84%E4%BB%B6%E4%B8%AD%E5%8F%91%E5%87%BA%E8%87%AA%E5%AE%9A%E4%B9%89%E4%BA%8B%E4%BB%B6%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u5728\u5b50\u7ec4\u4ef6\u4e2d\u53d1\u51fa\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff1a<\/h3>\n<pre><code class=\"language-vue\">&lt;template&gt;\n  &lt;button @click=&quot;emitCustomEvent&quot;&gt;\u53d1\u51fa\u4e8b\u4ef6&lt;\/button&gt;\n&lt;\/template&gt;\n\n&lt;script&gt;\nexport default {\n  methods: {\n    emitCustomEvent() {\n      \/\/ \u53d1\u51fa\u540d\u4e3a 'custom-event' \u7684\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff0c\u5e76\u4f20\u9012\u6570\u636e\n      this.$emit('custom-event', 'Custom event emitted!');\n    },\n  },\n};\n&lt;\/script&gt;\n<\/code><\/pre>\n<h3><a id=\"%E5%9C%A8%E7%88%B6%E7%BB%84%E4%BB%B6%E4%B8%AD%E7%9B%91%E5%90%AC%E8%87%AA%E5%AE%9A%E4%B9%89%E4%BA%8B%E4%BB%B6%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u5728\u7236\u7ec4\u4ef6\u4e2d\u76d1\u542c\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff1a<\/h3>\n<pre><code class=\"language-vue\">&lt;template&gt;\n  &lt;div&gt;\n    &lt;child-component @custom-event=&quot;handleCustomEvent&quot;&gt;&lt;\/child-component&gt;\n  &lt;\/div&gt;\n&lt;\/template&gt;\n\n&lt;script&gt;\nimport ChildComponent from '@\/components\/ChildComponent.vue';\n\nexport default {\n  components: {\n    ChildComponent,\n  },\n  methods: {\n    handleCustomEvent(data) {\n      \/\/ \u5904\u7406\u4ece\u5b50\u7ec4\u4ef6\u53d1\u51fa\u7684\u81ea\u5b9a\u4e49\u4e8b\u4ef6\n      console.log('Received custom event:', data);\n    },\n  },\n};\n&lt;\/script&gt;\n<\/code><\/pre>\n<p>\u5728\u5b50\u7ec4\u4ef6\u4e2d\u4f7f\u7528 <code>$emit<\/code> \u65b9\u6cd5\u89e6\u53d1\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff0c\u5e76\u4f20\u9012\u9700\u8981\u7684\u6570\u636e\u3002\u5728\u7236\u7ec4\u4ef6\u4e2d\u901a\u8fc7\u5728\u5b50\u7ec4\u4ef6\u6807\u7b7e\u4e0a\u4f7f\u7528 <code>@eventName<\/code> \u7684\u65b9\u5f0f\u76d1\u542c\u5e76\u6355\u83b7\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff0c\u5f53\u5b50\u7ec4\u4ef6\u89e6\u53d1\u4e8b\u4ef6\u65f6\uff0c\u7236\u7ec4\u4ef6\u4e2d\u7684\u76f8\u5e94\u5904\u7406\u51fd\u6570\u5c31\u4f1a\u88ab\u8c03\u7528\u3002<\/p>\n<p>\u5728\u81ea\u5b9a\u4e49\u4e8b\u4ef6\u4e2d\u53ef\u4ee5\u4f20\u9012\u4efb\u610f\u6570\u636e\u4f5c\u4e3a\u53c2\u6570\uff0c\u7236\u7ec4\u4ef6\u4e2d\u53ef\u4ee5\u63a5\u6536\u5230\u8fd9\u4e9b\u6570\u636e\uff0c\u5e76\u6839\u636e\u9700\u8981\u8fdb\u884c\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Vue \u4e2d\uff0c\u5b50\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7 $emit \u65b9\u6cd5\u53d1\u51fa\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff0c\u7236\u7ec4\u4ef6\u53ef\u4ee5\u76d1\u542c\u8fd9\u4e9b\u4e8b\u4ef6\u5e76\u4f5c\u51fa\u76f8\u5e94\u7684\u5904\u7406\u3002 \u5728\u5b50 [&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-8324","post","type-post","status-publish","format-standard","hentry","category-vue"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8324","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=8324"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8324\/revisions"}],"predecessor-version":[{"id":14095,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8324\/revisions\/14095"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=8324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=8324"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=8324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}