How to use $refs in vue3

This article mainly introduces "how to use $refs in vue3". In daily operation, I believe many people have doubts about how to use $refs in vue3. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how to use $refs in vue3". Next, please follow the editor to study!

1. In vue2, you can access $refs,vue3 through this, so you can't get it because there is no this, but the official website provides a way to get it.

After knowing how to get it, we used it in conjunction with ElementPlus, because the project used ElementPlus form validation, the official website was drunk, and it was written in vue2.

Don't say much, put on the code.

Since my form form is wrapped with a layer of el-dialog, it is impossible to get $refs in onMounted. The corresponding event should be triggered to change the v-model bound by dialog into the acquisition of true.

Label-position= "left" label-width= "120px": model= "form": append-to-body= "true": fullscreen= "true": rules= "rules" ref= "ruleForm" > import {ref} from 'vue' export default {setup () { Const ruleForm = ref (null) / / submit change password const submitForm = () = > {console.log (ruleForm.value) ruleForm.value.validate (vaild = > {if (vaild) { Console.log (1111)} else {console.log (222nd)})}

At this point, you can get his following validate method.

The second method can also be done through getCurrentInstance

If you output this method in the console, you can see

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