Writing is a query method, in the type string parameters when the background to the above error, the integer types and there is no problem, can successfully execute SQL statements, but the string type transmission error, this is my configuration like, beg god to solve!

CodePudding user response:

The above member variables are defined Role in the class,

CodePudding user response:

How to write good strange feeling, did you pass an object to check an object,
You look at all you don't have to preach and direct the whole table, or you use id check,
You this kind of writing you don't try to write the parameterType and have a look