java.sql.SQLException: Unknown column ‘ìd‘ in ‘field list‘ Query

Problem Description

In the test method: according to the incoming user name, password to obtain the user object in the database, the following exception occurs

Unexpectedly, the reason was that there was a character that resembled i. I don't know how the dot above i was typed out. If I didn't look at it carefully, I really couldn't see it.

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Origin blog.csdn.net/Sruggle/article/details/114058321