Added methods
Modify map configuration
id is the name of the method
according to the original wording values jdbc there should be a bunch of question marks, here and now can not go to a written question mark as to the value
passed from the way we want to perform parameter values to go inside
so we type parameter you must tell the sql statement execution
type parameterType User parameter is the type
to take over where we want to provide user value inside the sql statement.
# {}
Because entity class getter and setter our program are automatically generated, so here you can write directly to the properties of the entity class
Test Methods
Sex is the sex of the length of a char type
code means to query the above test copied. Issued the final call here the name was changed to saveUser method,
follow-up tests will be some of this long-winded code. A lot of trouble
to put forward a common way to put inside init
again a method used to release resources.
Two notes, he will be in the square before and after the implementation and execution method is invoked.
userDao statement has not been deleted. Here deleted.
The method of execution of the query
calls saveUser method
does not commit the transaction, there has been rolled back. Although the code is no exception, but saving can not be achieved
Commit the transaction
Why not 49 yet, just because the transaction is rolled back.
The transaction is committed, is moved before the release of resources. It has pledged to support each commit transaction
