SELECT A.ID, A.AccountID, B.OrganFullName, A.AccountType, B.OrganShortName, C.StageName, A.AddTime FROM AccountInfo A join OrganInfo B on A.StageID=B.OrganID left join StageInfo C on A.StageID=C.StageID
[解决办法] SELECT A.ID, A.AccountID, B.OrganFullName, A.AccountType, B.OrganShortName, C.StageName, A.AddTime , CASE WHEN AccountType='1' THEN OrganShortName WHEN AccountType='0' THEN StageName END SSS FROM AccountInfo A join OrganInfo B on A.StageID=B.OrganID left join StageInfo C on A.StageID=C.StageID