BillService.java

张创琦

package com.zcq.service;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.zcq.dao.BillMapper;
import com.zcq.entity.Bill;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class BillService {
    @Autowired
    private BillMapper billMapper;
    public List<Bill> list(Bill b) {
        return billMapper.select(b);
    }
    public int add(Bill b) {
        return billMapper.insert(b);
    }
    public Bill get(Long id) {
        return billMapper.selectByPrimaryKey(id);
    }
    public int update(Bill b) {
        return billMapper.updateByPrimaryKey(b);
    }
    public int delete(Long id) {
        return billMapper.deleteByPrimaryKey(id);
    }
    public PageInfo<Bill> listPage(Bill b, int pageNum, int pageSize) {
        return PageHelper.startPage(pageNum, pageSize).doSelectPageInfo(() -> {
            billMapper.select(b);
        });
    }
}