本文着重论述了如何输入数据、分割数据和显示数据的算法。
This article emphasizes on the algorithm of data input, data split and data display.
您可以使用不同的用户名和密码组合尝试若干次，来了解如何完成数据输入。
You can try several times with different username and password combinations to see how the data goes in successfully.
不过，控制器不关心用户如何适当地显示或者输入数据。
But controllers are not concerned with how the data is concretely presented and entered by users.
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