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README
Apache-2.0

简介

dbrest-spring-boot-starter

极简的crud接口开发、sql接口开发框架,与spring boot无缝集成。

思路来源于mybatis,在controller基于声明式接口和注解,动态代理生成实现类,实现api接口开发。

@DbCrud:一个注解实现单表crud接口开发

@DbQuery、@DbUpdate、@DbQueryPage等:用法类似mybatis @Select、@Update注解,在controller层实现基于注解式接口开发

特点

  • 通过注解声明式,实现controller接口开发
  • 与spring boot无缝集成
  • 支持mysql、oracle
  • 安全性,防止sql注入
  • 轻量级、可与mybatisPlus、hibernate框架等共用
如果您觉的有用的话,点个star收藏支持一下,万分感谢!

使用方法

快速开始

依赖包引入

在项目的pom.xml的dependencies中加入以下内容:

<dependency>
    <groupId>xyz.zeozheng</groupId>
    <artifactId>dbrest-spring-boot-starter</artifactId>
    <version>0.98</version>
</dependency>

数据库配置(可选,已集成mybatis、jpa等数据库dao框架可跳过,会自动识别数据源)

添加db.setting配置文件(本项目使用hutool db模块操作数据库),样例如下:

## 基本配置信息
# JDBC URL,根据不同的数据库,使用相应的JDBC连接字符串
url = jdbc:mysql://<host>:<port>/<database_name>
# 用户名,此处也可以使用 user 代替
username = 用户名
# 密码,此处也可以使用 pass 代替
password = 密码
# JDBC驱动名,可选(Hutool会自动识别)
driver = com.mysql.jdbc.Driver
## 可选配置
# 是否在日志中显示执行的SQL
showSql = true
# 是否格式化显示的SQL
formatSql = false
# 是否显示SQL参数
showParams = true
# 打印SQL的日志等级,默认debug
sqlLevel = debug
  • 如需集成数据库连接池等其他配置,参考Hutool

开始使用

  • spring boot启动类添加 @EnableDbRest

  • Controller层添加以下接口( book表名需修改为自己的表名 )

    @DbRestController //@DbRestController注解
    public interface BookController {
    
        /**
         * 生成crud接口:/book/save、/book/findList、/book/findPage、
         *    /book/getById、/book/delete
         */
        @DbCrud(tableName = "book", keyField = "id",idtype = IdType.AUTO)
        public Object book();
    
        /**
         * 根据name查询,请求路径 /book/findByName
         */
        @RequestMapping(value = "/book/findByName", method = RequestMethod.GET)
        @DbQuery(value = "select * from book where 1=1 {name? and name = [name]}")
        public Object findByName(@RequestParam(value = "name", required = false) String name);
    }
  • 试试请求 接口:

    • /book/getById?id=xx
    • /book/findList、/book/findPage
    • /book/findByName?name=xxx

详细用法

注解说明

注解 目标对象 作用
@EnableDbRest spring boot 启动类 启用dbrest-spring-boot-starter
@DbRestController controller层接口 继承于Spring的@Controller注解,用于标记dbrest类接口
@DbCrud 添加@DbRestController接口的对象方法 通过注解声明,自动生成对应表的增删改查方法
@DbQuery 同@DbCrud 列表查询:注解value为sql语句,可通过@RequestParam,@RequestBody等传入sql参数变量,同时支持条件判断
@DbQuerySingle 同@DbCrud 单条查询:其他同@DbQuery
@DbQueryPage 同@DbCrud 分页查询:参数添加Page对象或Map,传入page、size分页参数,实现分页,其他同@DbQuery
@DbUpdate 同@DbCrud 更新接口:用法同@DbQuery,返回更新条数
@DbInsert 同@DbCrud 插入接口:value为sql,如id为自增,可设置IdType = IdType.AUTO返回自增的key

@DbCrud注解接口

​ 通过声明@DbCrud注解,dbrest会自动生成 save、getById、findList、findPage、delete接口;接口请求路径为:/{tableName}/{接口名},如 /book/save。

​ 注1:@DbCrud的tableName取数据库表实际大小写,接口请求路径tableName默认小写

​ 注2:接口类支持@RequestMapping("xxx"),接口路径前缀需添加相应路径(@DbCrud方法上不支持@RequestMapping注解)

save

  • 请求方式:get、普通post、post (application/json)
  • 请求参数:对应数据库字段名(区分大小写)
  • 说明:传入主键时为update,无主键时为insert,为空的字段不修改和新增

getById

  • 请求方式:get、普通post
  • 请求参数:{ "id": "xxxxxx" }

findList

  • 请求方式:get、普通post、post (application/json)
  • 请求参数:
    • { 字段名1_条件:"xx", 字段名2_条件:"xx"},如: { "id_eq": 3, "name_like": "aaa" }
    • 条件支持:_eq、_neq、_like、_in、_gt、_gte、_lt、_lte、_bet(同between)
    • 特殊字段:orderby, 可传入 { orderby: '字段名 desc/asc'} 进行排序

findPage

  • 用法同findList接口,可传入 page、size字段分页,如 { page:1, size:10}

delete

  • 请求方式:get、普通post、delete
  • 请求参数:{ "id": "xxxxxx" }

Sql特殊语法

  • Sql中获取参数:

    使用[key](同mybatis #{key}),如:@DbQuery(value = "Select * from [key]")
    使用 $[key]  (同mybatis ${key}),如:@DbQuery(value = "Select * from $[key]")   
    如无权限验证机制,谨慎使用 $[key],存在sql注入风险
    可获取map、entity、@RequestParam、@RequestBody字段
  • Sql条件判断

    • 语法如:select * from book where 1 = 1 { name? name = [name] },大括号包含为条件代码块,当问号前面成立时,则拼接问号后面的sql

    • 参照mybatis写法:

      <if test="name != null and name != ''">
          AND name = ''
      </if>
      
      dbrest写法:
      { name != null and name != ''? AND name = ''}
      可简写为:{ name? AND name = ''}
    • 同时和mybatis类似,test语句及获取参数表达式支持ognl语法:

      • 如执行方法

        Select * from book where 1=1 { @zzh.dbrest.demo.dbrestdemo.DbrestDemoApplication@check(name) ? and name = [@zzh.dbrest.demo.dbrestdemo.DbrestDemoApplication@getName(name)]
        }

使用demo

dbrest-demo-mysql

推荐用法

  • dbrest + mybatis plus
    • 使用dbrest生成crud,简易查询,统计等无业务逻辑的api接口
    • mybatis plus处理service层,及复杂业务数据库逻辑处理
  • 简易项目可直接使用 dbrest + Hutool db模块

常见问题

  • @DbCrud数据库表名区分大小写

感谢

  • Mybatis:思路和源码参考

  • Hutool:数据库查询基于Hutool Db模块

  • Ognl:Sql条件及参数使用Ognl

  • Spring boot:基于Spring 框架体系

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简介

极简的crud及api接口开发框架;思路来源于mybatis,在controller基于声明式接口和注解,动态代理生成实现类,实现api接口开发。 @DbCrud:一个注解实现单表crud接口开发; @DbQuery、@DbUpdate、@DbQueryPage等:用法类似mybatis @Select、@Update注解,在controller层实现基于注解式接口开发 展开 收起
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