vue父组件调子组件 $refs (把父组件的数据传给子组件)

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父组件:

<el-dialog title="" @close="refresh" :visible.sync="userRoleVisible" @open="showAuthEvent">
    <user-role-panel ref="authPanel"></user-role-panel>
</el-dialog>

:标签是根据子组件的名称按驼峰命名中间用‘-’隔开。

import userRolePanel from './userrole';//引入子组件
export default {
    name: 'userList',
    components: {userRolePanel},//注册组件
    methods: {
        parentCall () {
              //authPanel <user-role-panel>标签中ref的值
            this.$refs.authPanel.init(
            this.tempData.userName,
            this.tempData.userId,
            this.tempData.roleIds);
        }
    }
}

子组件:

 export default {
        name: 'userRole',
        data() {
            return {
                tempData: {
                    userId: undefined,
                    userName: undefined,
                    userRole: undefined
                }
            }
        methods: {
            init(uname, uid, rid) {
                    userId: uid,
                    userName: uname,
                    userRole: rid
                };
            }     
    }

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转载自blog.csdn.net/xiaogc_a/article/details/82598002
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