{"id":7694,"date":"2023-11-28T19:53:38","date_gmt":"2023-11-28T11:53:38","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=7694"},"modified":"2023-12-01T22:29:22","modified_gmt":"2023-12-01T14:29:22","slug":"vue-zhong-zi-zu-jian-xiang-fu-zu-jian-chuan-di-shi","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/vue-zhong-zi-zu-jian-xiang-fu-zu-jian-chuan-di-shi\/","title":{"rendered":"Vue \u4e2d\u5b50\u7ec4\u4ef6\u50cf\u7236\u7ec4\u4ef6\u4f20\u9012\u4e8b\u4ef6\uff1f"},"content":{"rendered":"

\u5728Vue\u4e2d\uff0c\u5b50\u7ec4\u4ef6\u53ef\u4ee5\u5411\u7236\u7ec4\u4ef6\u4f20\u9012\u4e8b\u4ef6\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5728\u5b50\u7ec4\u4ef6\u5185\u90e8\u4f7f\u7528 $emit<\/code> \u65b9\u6cd5\u6765\u89e6\u53d1\u4e00\u4e2a\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff0c\u5e76\u5728\u7236\u7ec4\u4ef6\u4e0a\u76d1\u542c\u8fd9\u4e2a\u4e8b\u4ef6\u6765\u5b9e\u73b0\u3002<\/p>\n

    \n
  1. \n

    \u5b50\u7ec4\u4ef6\u89e6\u53d1\u4e8b\u4ef6<\/strong>\uff1a<\/p>\n

    \u5728\u5b50\u7ec4\u4ef6\u4e2d\uff0c\u4f7f\u7528 $emit<\/code> \u6765\u89e6\u53d1\u4e00\u4e2a\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff0c\u5e76\u4f20\u9012\u9700\u8981\u4f20\u9012\u7684\u6570\u636e\uff1a<\/p>\n

    <template>\n  <button @click="notifyParent">Click me<\/button>\n<\/template>\n\n<script>\nexport default {\n  methods: {\n    notifyParent() {\n      this.$emit('child-event', 'Some data to pass to the parent');\n    }\n  }\n}\n<\/script>\n<\/code><\/pre>\n<\/li>\n
  2. \n
    \u7236\u7ec4\u4ef6\u76d1\u542c\u4e8b\u4ef6<\/strong>\uff1a<\/p>\n
    \u5728\u7236\u7ec4\u4ef6\u4e2d\uff0c\u901a\u8fc7\u5728\u5b50\u7ec4\u4ef6\u4e0a\u4f7f\u7528\u81ea\u5b9a\u4e49\u4e8b\u4ef6\u7684\u540d\u79f0\uff08\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\u662f child-event<\/code>\uff09\uff0c\u5e76\u4f7f\u7528 v-on<\/code> \u6216 @<\/code> \u6765\u76d1\u542c\u8fd9\u4e2a\u4e8b\u4ef6\uff1a<\/p>\n
    <template>\n  <child-component @child-event="handleChildEvent"><\/child-component>\n<\/template>\n\n<script>\nimport ChildComponent from '.\/ChildComponent.vue';\n\nexport default {\n  components: {\n    ChildComponent\n  },\n  methods: {\n    handleChildEvent(data) {\n      console.log('Received data from child:', data);\n      \/\/ \u5904\u7406\u4ece\u5b50\u7ec4\u4ef6\u4f20\u9012\u8fc7\u6765\u7684\u6570\u636e\n    }\n  }\n}\n<\/script>\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
    \u5f53\u5b50\u7ec4\u4ef6\u4e2d\u7684 notifyParent<\/code> \u65b9\u6cd5\u88ab\u89e6\u53d1\u65f6\uff0cchild-event<\/code> \u4e8b\u4ef6\u5c06\u4f1a\u5728\u7236\u7ec4\u4ef6\u4e2d\u88ab\u6355\u83b7\uff0c\u7236\u7ec4\u4ef6\u4e2d\u7684 handleChildEvent<\/code> \u65b9\u6cd5\u5c06\u4f1a\u6267\u884c\uff0c\u5e76\u63a5\u6536\u4ece\u5b50\u7ec4\u4ef6\u4f20\u9012\u8fc7\u6765\u7684\u6570\u636e\u3002<\/p>\n
    \u8fd9\u79cd\u4e8b\u4ef6\u673a\u5236\u4f7f\u5f97\u7ec4\u4ef6\u4e4b\u95f4\u53ef\u4ee5\u8fdb\u884c\u901a\u4fe1\uff0c\u5b9e\u73b0\u4e86\u5b50\u7ec4\u4ef6\u5411\u7236\u7ec4\u4ef6\u7684\u6570\u636e\u4f20\u9012\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728Vue\u4e2d\uff0c\u5b50\u7ec4\u4ef6\u53ef\u4ee5\u5411\u7236\u7ec4\u4ef6\u4f20\u9012\u4e8b\u4ef6\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5728\u5b50\u7ec4\u4ef6\u5185\u90e8\u4f7f\u7528 $emit \u65b9\u6cd5\u6765\u89e6\u53d1\u4e00\u4e2a\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff0c\u5e76\u5728 […]<\/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-7694","post","type-post","status-publish","format-standard","hentry","category-vue"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7694","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=7694"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7694\/revisions"}],"predecessor-version":[{"id":13947,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7694\/revisions\/13947"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=7694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=7694"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=7694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}