xml代码
<!DOCTYPE mapper PUBLIC "-//ibatis.apache.org//DTD iBatis Mapper 3.0 //EN" "https://ibatis.apache.org/dtd/ibatis-3-mapper.dtd"> <!DOCTYPE mapper PUBLIC "-//ibatis.apac
<!DOCTYPE mapper PUBLIC "-//ibatis.apache.org//DTD iBatis Mapper 3.0 //EN" "https://ibatis.apache.org/dtd/ibatis-3-mapper.dtd"> <!DOCTYPE mapper PUBLIC "-//ibatis.apac
