问下哪个环节数据库被关闭了，检查了代码逻辑，跟老师的一致

api_test.go:65: Error of RegetUser: sql: database is closed

=== RUN   TestUserWorkFlow

=== RUN   TestUserWorkFlow/Add

=== RUN   TestUserWorkFlow/Get

=== RUN   TestUserWorkFlow/Del

=== RUN   TestUserWorkFlow/ReGet

2018/07/15 19:12:24 sql: database is closed

--- FAIL: TestUserWorkFlow (0.02s)

    --- PASS: TestUserWorkFlow/Add (0.01s)

    --- PASS: TestUserWorkFlow/Get (0.00s)

    --- PASS: TestUserWorkFlow/Del (0.01s)

    --- FAIL: TestUserWorkFlow/ReGet (0.00s)

        api_test.go:65: Error of RegetUser: sql: database is closed

FAIL

ok      video_server/api/dbops  0.073s

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感谢群里小伙伴帮忙，是我将 stmt.close()写成了 dbconn.close()，将数据库关闭了，所以导致reget 无法连接数据库。