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vue2.x+typescript的项目,需要主动触发组件上绑定的事件如何改写?

(this.$refs.btn as Vue).$listeners.click()

此时click部分会报错
This expression is not callable.
No constituent of type 'Function | Function[]' is callable.
click方法无法调用

应该如何修改消除错误呢?


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为什么要这样调用,事件绑定的方法不都是在父组件的methods里面定义的,直接调用这个方法它不香吗?


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