人人框架中当前模块统一实现逻辑删除,但是不是mybatis-plus中的解决方案
mybatis-plus中提供了逻辑删除的解决方案,但是担心其他模块中并不想使用逻辑删除,只在本模块中统一实现逻辑删除,那么该怎么办呢?
解决方案:
1 自定义CrudServiceImpl,修改其中的delete方法,原理是使用了反射机制。
代码如下:
package com.broit.fish.modules.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.ReflectionKit;
import com.broit.fish.modules.service.CrudService;
import io.renren.common.page.PageData;
import io.renren.common.utils.ConvertUtils;
import org.springframework.beans.BeanUtils;
import java.lang.reflect.Field;
import java.util.List;
import java.util.Map;
/**
* CRUD基础服务类
*
* @author Mark sunlightcs@gmail.com
*/
public abstract class CrudServiceImpl<M extends BaseMapper<T>, T, D> extends BaseServiceImpl<M, T> implements CrudService<T, D> {
protected Class<D> currentDtoClass() {
return (Class<D>)ReflectionKit.getSuperClassGenericType(getClass(), 2);
}
@Override
public PageData<D> page(Map<String, Object> params) {
IPage<T> page = baseDao.selectPage(
getPage(params, null, false),
getWrapper(params)
);
return getPageData(page, currentDtoClass());
}
@Override
public List<D> list(Map<String, Object> params) {
List<T> entityList = baseDao.selectList(getWrapper(params));
return ConvertUtils.sourceToTarget(entityList, currentDtoClass());
}
public abstract QueryWrapper<T> getWrapper(Map<String, Object> params);
@Override
public D get(String id) {
T entity = baseDao.selectById(id);
return ConvertUtils.sourceToTarget(entity, currentDtoClass());
}
@Override
public void save(D dto) {
T entity = ConvertUtils.sourceToTarget(dto, currentModelClass());
insert(entity);
//copy主键值到dto
BeanUtils.copyProperties(entity, dto);
}
@Override
public void update(D dto) {
T entity = ConvertUtils.sourceToTarget(dto, currentModelClass());
updateById(entity);
}
@Override
public int delete(String[] ids, String optUserId,D dto) {
int rows = 0;
try{
for(String id : ids){
T entity = ConvertUtils.sourceToTarget(dto, currentModelClass());
Class<? extends Object> tClass = entity.getClass();
Field[] field = tClass.getDeclaredFields();
for(Field f : field){
f.setAccessible(true);
if("id".equals(f.getName())){
f.set(entity,id);
}
if("delFlg".equals(f.getName())){
f.set(entity,"0");
}
if("updateUser".equals(f.getName())){
f.set(entity,optUserId);
}
if("updateTime".equals(f.getName())){
f.set(entity,System.currentTimeMillis());
}
}
if(updateById(entity)){
rows++;
}
}
}catch (Exception e){
e.printStackTrace();
}
return rows;
}
}
2 在自己的 业务ServiceImpl 中这样调用(前提:BaseFishProductTypeServiceImpl extends CrudServiceImpl<BaseFishProductTypeDao, BaseFishProductTypeEntity, BaseFishProductTypeDTO> implements BaseFishProductTypeService):
public Result delete(String[] ids) {
Result result = new Result();
AssertUtils.isArrayEmpty(ids, "id");
int rows = delete(ids, ConvertUtils.sourceToTarget(SecurityUser.getUser(), SysUserDTO.class).getId().toString(), new BaseFishProductTypeDTO());
if(rows != ids.length) {
result.setCode(-1);
}
return result;
}
如有不当,欢迎指正

浙公网安备 33010602011771号