crud 模板方法 - V2EX
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huifer

crud 模板方法

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  •   huifer 2020 年 8 月 21 日 1146 次点击
    这是一个创建于 2072 天前的主题,其中的信息可能已经有所发展或是发生改变。

    crud template

    功能

    • 单个表的数据库增删改查操作
    • 单个表的数据库+缓存的增删改查操作
    • 单个实体的缓存增删改查操作

    如何使用

    • 在启动类上添加如下代码
      • daoType 可选项有 mybatis 和 mybatis-plus
      • scanPackages 用来填写需要扫描的实体包路径,支持多个
    @EnableCrudTemplate(daoType = DaoType.MYBATIS_PLUS, scanPackages = { "com.github.huifer.mybatis.plus.mybatis"}) 

    mybatis 支持

    • 添加依赖
     <dependency> <groupId>com.github.huifer</groupId> <artifactId>for-mybatis</artifactId> <version>0.0.4-SNAPSHOT</version> </dependency> 
    • 对 mapper 进行修改
    @CacheKey(key = "issues", type = IssuesEntity.class) public interface IssuesMapper extends A<Integer, IssuesEntity> {} 
    • 对实体进行修改
    public class IssuesEntity implements BaseEntity {} 

    mybatis plus 支持

    • 添加依赖
     <dependency> <groupId>com.github.huifer</groupId> <artifactId>for-mybatis-plus</artifactId> <version>0.0.4-SNAPSHOT</version> </dependency> 
    • 对 mapper 进行修改
    @CacheKey(key = "issues", type = IssuesEntity.class) public interface IssuesMapper extends BaseMapper<IssuesEntity>, AforMybatisPlus<Integer, IssuesEntity> 
    • 对实体进行修改
    public class IssuesEntity implements BaseEntity {} 
    • 调用层 mybatis 和 mybatis-plus 都是同一个入口
     @Autowired private CrudFacade<IssuesEntity, IntIdInterface<Integer>> crudFacade; 
    • 只需要引入CrudFacade组件就可以拥有数据库+缓存的 crud 操作了. 如果不需要缓存请将 mapper 上的@CacheKey删掉

    entity 支持

    • 给实体对象添加注解 @CacheKey
      • redis-hash field 取值说明: idFiled=实体类的某个字段, idMethod=实体类中的一个方法,如果两者同时存在以idMethod为准, 建议填写一个
    @CacheKey(key = "tt", type = IssuesEntity.class, idFiled = "newTitle", idMethod = "ooo") public class IssuesEntity { private Integer id; private String newTitle; private String ooo() { return "OOO" + this.newTitle; } } 

    Contributers


    • 希望各位可以发表一下想法、看法
    目前尚无回复
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