TKmybatis的框架介绍和原理解析

<dependency>
 <groupId>tk.mybatis</groupId>
 <artifactId>mapper-spring-boot-starter</artifactId>
 <version>2.1.5</version>
</dependency>

@Table(name = "t_plan")
public class PopMerchantPlanDO{

	/**
	 * id
	 */
	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	private Long id;
	/**
	 * 编号
	 */
	private String code;
}

public interface BaseDao<T> extends BaseMapper<T>, MySqlMapper<T>, IdsMapper<T>, ConditionMapper<T>, ExampleMapper<T> {
}

@RegisterMapper
public interface SelectAllMapper<T> {

 /**
  * 查询全部结果
  *
  * @return
  */
 @SelectProvider(type = BaseSelectProvider.class, method = "dynamicSQL")
 List<T> selectAll();
}

public interface Mapper {

 @Select("select uuid,full_name as name from t_system_company ")
 List<Map<String, String>> getCompanyInfo();
}

@RegisterMapper
public interface SelectAllMapper<T> {

 @SelectProvider(type = BaseSelectProvider.class, method = "dynamicSQL")
 List<T> selectAll();
}

 /**
  * 查询全部结果
  *
  * @param ms
  * @return
  */
 public String selectAll(MappedStatement ms) {
  final Class<?> entityClass = getEntityClass(ms);
  //修改返回值类型为实体类型
  setResultType(ms, entityClass);
  StringBuilder sql = new StringBuilder();
  sql.append(SqlHelper.selectAllColumns(entityClass));
  sql.append(SqlHelper.fromTable(entityClass, tableName(entityClass)));

  // 逻辑删除的未删除查询条件
  sql.append("<where>");
  sql.append(SqlHelper.whereLogicDelete(entityClass, false));
  sql.append("</where>");

  sql.append(SqlHelper.orderByDefault(entityClass));
  return sql.toString();
 }