BaseService

package com.taotao.manager.service;import java.util.Date;import java.util.List;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import com.github.abel533.entity.Example;import com.github.abel533.mapper.Mapper;import com.github.pagehelper.PageHelper;import com.github.pagehelper.PageInfo;import com.taotao.manager.pojo.BasePojo;@Servicepublic abstract class BaseService<T extends BasePojo> {    /** 由子类实现该方法，返回具体的Mapper的实现类 **///    public abstract Mapper<T> getMapper() ;    /**     * 使用Spring4.x的新特性，根据泛型类型注入对象     */    @Autowired    private Mapper<T> mapper;    /**     * 根据id查询     * @param id     * @return     */    public T queryById(Long id){        return this.mapper.selectByPrimaryKey(id);    }    //    查询所有数据    public List<T> queryAll(){        return this.mapper.select(null);    }    //  根据条件查询一条数据  public T queryOne(T t){      return this.mapper.selectOne(t);  }  //    根据条件查询数据集合       public List<T> queryByWhere(T t){      return this.mapper.selectByExample(t);    }//    分页查询    public PageInfo<T> queryPageList(T t,Integer page,Integer rows){        PageHelper.startPage(page, rows);      List<T> list = this.queryByWhere(t);      return new PageInfo<T>(list);    }//    新增数据    public Integer save(T t){        t.setCreated(new Date());        t.setUpdated(t.getCreated());       return this.mapper.insert(t);    }//    新增数据，使用不为null的字段    public Integer saveSelective(T t){        t.setCreated(new Date());        t.setUpdated(t.getCreated());        return this.mapper.insertSelective(t);    }    //    更新数据    public Integer update(T t){        t.setUpdated(new Date());        return this.mapper.updateByPrimaryKey(t);    }//    更新数据，使用不为null的字段    public Integer updateSelective(T t){        t.setUpdated(new Date());        return this.mapper.updateByPrimaryKeySelective(t);    }    //    根据id删除数据    public Integer deleteById(Long id){        return this.mapper.deleteByPrimaryKey(id);    }//    批量删除数据    public Integer deleteByIds(String property,List<Object> ids,Class<T> class1){        Example example=new Example(class1);        example.createCriteria().andIn(property, ids);       return this.mapper.deleteByExample(example);    }    }

BasePojo

package com.taotao.manager.pojo;import java.util.Date;public abstract class BasePojo {        private Date created;    private Date updated;    public Date getCreated() {        return created;    }    public void setCreated(Date created) {        this.created = created;    }    public Date getUpdated() {        return updated;    }    public void setUpdated(Date updated) {        this.updated = updated;    }}