(The courses mybatis and spring mvc drive mybatis foundation through the case of ordered products: summarize the problems of original jdbc programs (developed using jdbc alone), the principles of mybatis framework (master), the addition, deletion, modification Look up the two methods for developing the mybatis: the original dao development method (the program needs to write dao interfaces and dao implementation classes) (master) the mapper interface of mybatis (equivalent to dao interfaces) development method (master) the configuration file SqlMapConfig of mybatis Xmlmybatis core: mybatis input mapping (master) mybatis output mapping (master) mybatis dynamic sql (master) day 2: advanced knowledge order product data model analysis advanced result set mapping (one-to-one, one-to-many, many to many) mybatis delayed loading of mybatis query cache (primary cache, secondary cache) mybatis and spring integrated (master) mybatis reverse engineering)