问题描述
默认情况下，Symfony2区分大小写地匹配用户名。我希望用户能够输入 johnsmith ， JohnSmith ， johnSMITH 或任何其他变体，并将它们全部注册为约翰·史密斯。我该怎么做？
By default, Symfony2 matches usernames case-sensitively. I want users to be able to enter johnsmith, JohnSmith, johnSMITH, or any variant of that, and have them all register as johnsmith. How do I do this?
我虽然最简单的方法是在比较用户名之前始终将其转换为小写。一方面，这很容易做到（只需将 lower（）放入SQL语句中），但是对于用户在登录名中键入的内容，我该怎么做形成？由于Symfony自动处理 login_check 路由处理，因此我无法弄清楚。
I though the easiest way would be to always convert each username to lower-case before comparing them. This is easy to do on the one side (just throw a lower() into the SQL statement), but how do I do that for what the user types in in the login form? Since Symfony automatically takes care of the login_check route handling, I can't figure it out.
更好的是，我可以设置一些选项来启用不区分大小写吗？
Better yet, is there some option I can set to enable case-insensitivity instead?
推荐答案
我觉得自己是个白痴。我要做的就是在SQL语句的 where 子句周围添加另一个 lower（）。像这样：
I feel like an idiot. All I had to do was add another lower() around the where clause in my SQL statement. Like this:
select lower(USERNAME) as USERNAME, PASSWORD, ROLES, ALL_CUSTOMER_ACCESS
from COMPANYNAME_USERS
where lower(USERNAME) = lower(:username)
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