常用快速开发，快速生成CRUD

末蓝、 2023-10-07 18:56 27阅读 0赞

#### 文章目录 ####

*   *  Entity，需要注明主键
     *  Mapper层
     *   *  CommonDao
         *  BasiccBfmMenuDao
     *  Service层
     *   *  CommonService
         *  BasiccBfmMenuService
         *  CommonServiceImpl
         *  BasiccBfmMenuServiceImpl
     *  Controller层
     *   *  CommonController
         *  BasiccBfmMenuController
     *  总结最后实现的效果

### Entity，需要注明主键 ###

package com.iwhalecloud.bassc.ncdp.web.test.entity;
    
    import com.iwhalecloud.ids.core.common.pojo.BasePO;
    
    import javax.persistence.Id;
    import java.io.Serializable;
    import java.util.Date;
    
    /**
     * 菜单或界面项.
     * 表现为菜单目录和具体的页面
     * 弹出窗口页面请关联主要业务菜单上(BasiccBfmMenu)实体类
     *
     * @author makejava
     * @since 2022-05-16 10:44:16
     */
    public class BasiccBfmMenu extends BasePO implements Serializable {
        
        private static final long serialVersionUID = -80830249105561636L;
        /**
         * 对应是权限表的权限ID
         */
        @Id
        private Long menuId;
        /**
         * ICON_URL，图标文件对应的URL
         */
        private String iconUrl;
        /**
         * A-在用，X-失效
         */
        private String state;
    
        private Date stateDate;
        /**
         * 菜单类型，S表示单页类型的菜单，I表示Iframe类型的菜单，F表示flex类型的菜单
         */
        private String menuType;
    
    
        public Long getMenuId() {
        
            return menuId;
        }
    
        public void setMenuId(Long menuId) {
        
            this.menuId = menuId;
        }
    
        public String getIconUrl() {
        
            return iconUrl;
        }
    
        public void setIconUrl(String iconUrl) {
        
            this.iconUrl = iconUrl;
        }
    
        public String getState() {
        
            return state;
        }
    
        public void setState(String state) {
        
            this.state = state;
        }
    
        public Date getStateDate() {
        
            return stateDate;
        }
    
        public void setStateDate(Date stateDate) {
        
            this.stateDate = stateDate;
        }
    
        public String getMenuType() {
        
            return menuType;
        }
    
        public void setMenuType(String menuType) {
        
            this.menuType = menuType;
        }
    
    }

### Mapper层 ###

#### CommonDao ####

package com.iwhalecloud.bassc.ncdp.web.test.dao;
    
    import tk.mybatis.mapper.additional.insert.InsertListMapper;
    import tk.mybatis.mapper.common.Mapper;
    
    /**
     * @Author lijunyun
     * @Date 2022/5/17 17:12
     */
    public interface CommonDao <T> extends Mapper<T>, InsertListMapper<T> {
        
    
    }

#### BasiccBfmMenuDao ####

package com.iwhalecloud.bassc.ncdp.web.test.dao;
    
    
    import com.iwhalecloud.bassc.ncdp.web.test.entity.BasiccBfmMenu;
    import org.apache.ibatis.annotations.Mapper;
    
    /**
     * 菜单或界面项.
     * 表现为菜单目录和具体的页面
     * 弹出窗口页面请关联主要业务菜单上(BasiccBfmMenu)表数据库访问层
     *
     * @author makejava
     * @since 2022-05-16 10:44:15
     */
    @Mapper
    public interface BasiccBfmMenuDao extends CommonDao<BasiccBfmMenu> {
        
    
    
    }

### Service层 ###

#### CommonService ####

package com.iwhalecloud.bassc.ncdp.web.test.service;
    
    /**
     * @Author lijunyun
     * @Date 2022/5/17 16:50
     */
    
    public interface CommonService<T> {
        
    
        /**
         * 通过ID查询单条数据
         *
         * @param menuId 主键
         * @return 实例对象
         */
        public T queryById(Long menuId);
    
    
        /**
         * 新增数据
         *
         * @param t 实例对象
         * @return 实例对象
         */
        public T insert(T t);
    
        /**
         * 修改数据
         *
         * @param t 实例对象
         * @return 实例对象
         */
        public T update(T t) ;
    
        /**
         * 通过主键删除数据
         *
         * @param menuId 主键
         * @return 是否成功
         */
        public boolean deleteById(Long menuId) ;
    
    
    }

#### BasiccBfmMenuService ####

package com.iwhalecloud.bassc.ncdp.web.test.service;
    
    
    /**
     * 菜单或界面项.
     * 表现为菜单目录和具体的页面
     * 弹出窗口页面请关联主要业务菜单上(BasiccBfmMenu)表服务接口
     *
     * @author makejava
     * @since 2022-05-16 10:44:16
     */
    public interface BasiccBfmMenuService {
        
    
    }

#### CommonServiceImpl ####

package com.iwhalecloud.bassc.ncdp.web.test.service.impl;
    
    import com.iwhalecloud.bassc.ncdp.web.test.dao.CommonDao;
    import com.iwhalecloud.bassc.ncdp.web.test.service.CommonService;
    import com.iwhalecloud.ids.core.common.pojo.BasePO;
    import org.springframework.beans.factory.annotation.Autowired;
    
    /**
     * @Author lijunyun
     * @Date 2022/5/16 12:59
     */
    public class CommonServiceImpl<T extends BasePO,M extends CommonDao<T>> implements CommonService<T> {
        
    
        /**
         * @describe: 自动注入一个Mapper
         * @date 2022/5/16 13:01
         */
        @Autowired
        M m;
    
        /**
         * 通过ID查询单条数据
         *
         * @param id 主键
         * @return 实例对象
         */
        @Override
        public T queryById(Long id) {
        
            return m.selectByPrimaryKey(id);
        }
    
    
        /**
         * 新增数据
         *
         * @param t 实例对象
         * @return 实例对象
         */
        @Override
        public T insert(T t) {
        
            m.insert(t);
            return t;
        }
    
        /**
         * 修改数据
         *
         * @param t 实例对象
         * @return 实例对象
         */
        @Override
        public T update(T t) {
        
            m.updateByPrimaryKeySelective(t);
            return t;
        }
    
        /**
         * 通过主键删除数据
         *
         * @param id 主键
         * @return 是否成功
         */
        @Override
        public boolean deleteById(Long id) {
        
            return m.deleteByPrimaryKey(id) > 0;
        }
    
    }

#### BasiccBfmMenuServiceImpl ####

package com.iwhalecloud.bassc.ncdp.web.test.service.impl;
    
    
    import com.iwhalecloud.bassc.ncdp.web.test.dao.BasiccBfmMenuDao;
    import com.iwhalecloud.bassc.ncdp.web.test.entity.BasiccBfmMenu;
    import com.iwhalecloud.bassc.ncdp.web.test.service.BasiccBfmMenuService;
    import org.springframework.stereotype.Service;
    
    /**
     * 菜单或界面项.
     * 表现为菜单目录和具体的页面
     * 弹出窗口页面请关联主要业务菜单上(BasiccBfmMenu)表服务实现类
     *
     * @author makejava
     * @since 2022-05-16 10:44:16
     */
    @Service("basiccBfmMenuService")
    public class BasiccBfmMenuServiceImpl extends CommonServiceImpl<BasiccBfmMenu, BasiccBfmMenuDao> implements BasiccBfmMenuService {
        
    
    
    }

### Controller层 ###

#### CommonController ####

package com.iwhalecloud.bassc.ncdp.web.test.controller;
    
    import com.iwhalecloud.bassc.ncdp.web.test.service.CommonService;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.http.ResponseEntity;
    import org.springframework.web.bind.annotation.DeleteMapping;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.PathVariable;
    import org.springframework.web.bind.annotation.PostMapping;
    import org.springframework.web.bind.annotation.PutMapping;
    
    /**
     * @Author lijunyun
     * @Date 2022/5/16 12:51
     */
    public class CommonController <T ,S extends CommonService<T>>{
        
    
    
        @Autowired
        S service;
    
        /**
         * 通过主键查询单条数据
         *
         * @param id 主键
         * @return 单条数据
         */
        @GetMapping("{id}")
        public ResponseEntity<T> queryById(@PathVariable("id") Long id) {
        
            return  ResponseEntity.ok((T) service.queryById(id));
        }
    
        /**
         * 新增数据
         *
         * @param t 实体
         * @return 新增结果
         */
        @PostMapping
        public ResponseEntity<T> add(T t) {
        
            return ResponseEntity.ok((T) service.insert(t));
        }
    
        /**
         * 编辑数据
         *
         * @param t 实体
         * @return 编辑结果
         */
        @PutMapping
        public ResponseEntity<T> edit(T t) {
        
            return ResponseEntity.ok((T) service.update(t));
        }
    
        /**
         * 删除数据
         *
         * @param id 主键
         * @return 删除是否成功
         */
        @DeleteMapping
        public ResponseEntity<Boolean> deleteById(Long id) {
        
            return ResponseEntity.ok(service.deleteById(id));
        }
    
    }

#### BasiccBfmMenuController ####

package com.iwhalecloud.bassc.ncdp.web.test.controller;
    
    
    import com.iwhalecloud.bassc.ncdp.web.test.entity.BasiccBfmMenu;
    import com.iwhalecloud.bassc.ncdp.web.test.service.impl.BasiccBfmMenuServiceImpl;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    /**
     * 菜单或界面项.
     * 表现为菜单目录和具体的页面
     * 弹出窗口页面请关联主要业务菜单上(BasiccBfmMenu)表控制层
     *
     * @author makejava
     * @since 2022-05-16 10:44:15
     */
    @RestController
    @RequestMapping("/basiccBfmMenu")
    public class BasiccBfmMenuController extends CommonController<BasiccBfmMenu, BasiccBfmMenuServiceImpl>{
        
    
    
    }

### 总结最后实现的效果 ###

*  直接看controller层，直接生成了4个接口  
    ![在这里插入图片描述][2e21cbe239384d39902306bb037745b3.png]

localhost:8080/basiccBfmMenu/10086
    localhost:8080/basiccBfmMenu
    localhost:8080/basiccBfmMenu
    localhost:8080/basiccBfmMenu?id=10087

[2e21cbe239384d39902306bb037745b3.png]: https://img-blog.csdnimg.cn/2e21cbe239384d39902306bb037745b3.png