201912G07/src/main/java/com/springboot/staffingsystem/service/impl/EmployeeServiceImpl.java

package com.springboot.staffingsystem.service.impl;

import com.springboot.staffingsystem.bean.Employee;
import com.springboot.staffingsystem.bean.EmployeeExample;
import com.springboot.staffingsystem.dao.EmployeeMapper;
import com.springboot.staffingsystem.service.EmployeeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class EmployeeServiceImpl implements EmployeeService {
    @Autowired
   private EmployeeMapper employeeMapper;

    @Override
    public List<Employee> getAll() {
        return employeeMapper.selectByExample(null);
    }

    @Override
    public void saveEmp(Employee employee) {
        employeeMapper.insertSelective(employee);
    }

    @Override
    public Employee getEmp(Integer id) {
        return employeeMapper.selectByPrimaryKey(id);
    }

    @Override
    public void updateEmp(Employee employee) {
        employeeMapper.updateByPrimaryKeySelective(employee);
    }

    @Override
    public void deleteEmp(Integer id) {
        employeeMapper.deleteByPrimaryKey(id);
    }

    @Override
    public boolean checkUser(String empName) {
        EmployeeExample example = new EmployeeExample();
        EmployeeExample.Criteria criteria = example.createCriteria();
        criteria.andEmpNameEqualTo(empName);
        Long count = employeeMapper.countByExample(example);
        return count == 0;
    }

    @Override
    public void deleteBatch(List<Integer> ids) {
        EmployeeExample example = new EmployeeExample();
        EmployeeExample.Criteria criteria = example.createCriteria();
        criteria.andEmpIdIn(ids);
        employeeMapper.deleteByExample(example);
    }
}