How to achieve that when the user inputs a date in the correct format, the value is automatically assigned without the need to manually select the date or press Enter?

[GuoJianjian]

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What problem does this feature solve?

After migrating from element-ui to ant-design-vue, we've observed that this feature comes as default behavior in element-ui. Following the switch, our users have specifically requested this functionality.

由于从element-ui更换为ant-design-vue，这个功能在element-ui中是默认功能，更换后用户提出了这个优化请求。

What does the proposed API look like?

This functionality comes as default behavior in element-ui. We hope ant-design-vue could support it natively or provide an alternative implementation approach.
这个功能在element-ui中是默认功能，希望可以支持，或通过其它方式实现。