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This article mainly introduces "how the vue parent component invokes the child component". In the daily operation, I believe that many people have doubts about how the vue parent component invokes the child component. The editor consulted all kinds of materials and sorted out a simple and easy-to-use operation method. I hope it will be helpful to answer the doubt of "how the vue parent component invokes the child component". Next, please follow the editor to study!

Calling method: 1, in the parent component, directly call the method of the child component through ref; 2, in the parent component, through the component's "$emit", "$on" method to call.

The operating environment of this tutorial: windows7 system, vue2.9.6 version, DELL G3 computer.

How to call child components directly in the parent component in the Vue project:

Option 1: the method of directly calling subcomponents through ref

/ / Click to call the subcomponent method import Child from'. / child';export default {methods: {handleClick () {this.$refs.child.sing ();},} / / in the parent component, I am the subcomponent export default {methods: {sing () {console.log ('I am the method of the subcomponent') },},}

Option 2: through the $emit and $on methods of the component

/ / Click to call the subcomponent method import Child from'. / child' in the parent component Export default {methods: {handleClick () {this.$refs.child.$emit ("childmethod") / the name in the subcomponent $on},},} / / I am the subcomponent export default {mounted () {this.$nextTick (function () {this.$on ('childmethods') Function () {console.log ('I am a subcomponent method') At this point, the study on "how the vue parent component invokes child components" is over, hoping to solve everyone's doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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