select charindex('test','this Test is Test')
(select charindex('" + WUser_Id + "',PartId))>0
charindex(','+cast(b.JobType_Id as nvarchar(50))+',',','+isnull(a.JobType_Id,'0')+',')>0
select * from WeChat_Task where charindex(',56,',','+WeChat_Task.PartId+',')>0
https://www.cnblogs.com/qianxingdewoniu/p/6858580.html