springboot-Mybatis簡單舉例

package cn.zh.community.mapper;

import cn.zh.community.dto.QuestionDTO;
import cn.zh.community.model.Question;
import org.apache.ibatis.annotations.*;

import java.util.List;

/**
 * @Author: zhanghuan
 * @Date: 2019/10/12 09:59
 * @Description:
 */
@Mapper
public interface QuestionMapper {

    @Insert("insert into question (title,description,gmt_create,gmt_modified,creator,tag) values (#{title},#{description},#{gmtCreate},#{gmtModified},#{creator},#{tag})")
    void create(Question question);

    @Select("Select *from question limit #{offset},#{size}")
    List<Question> list(@Param(value = "offset") Integer offset, @Param(value = "size") Integer size);

    @Select("select count(1) from question")
    Integer count();

    @Select("Select *from question where creator = #{userId} limit #{offset},#{size}")
    List<Question> listByUserId(@Param(value = "userId") Integer userId, @Param(value = "offset") Integer offset, @Param(value = "size") Integer size);

    @Select("select count(1) from question where creator = #{userId}")
    Integer countByUserId(@Param(value = "userId") Integer userId);

    @Select("select *from question where id = #{id}")
    Question getById(@Param("id") Integer id);

    @Update("update question set title = #{title}, description = #{description},gmt_modified = #{gmtModified},tag = #{tag} where id = #{id}")
    void update(Question question);
}