添加ClassServiceImpl.java

master
pco4bax5y 2 years ago
parent 3ff722f30e
commit 61d2389f5a

@ -0,0 +1,79 @@
package com.itheima.service.impl;
import com.itheima.dao.ClassDao;
import com.itheima.po.Class;
import com.itheima.po.PageInfo;
import com.itheima.service.ClassService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
/**
* Service
*/
@Service("classService")
@Transactional
public class ClassServiceImpl implements ClassService {
// classDao
@Autowired
private ClassDao classDao;
//分页查询
@Override
public PageInfo<Class> findPageInfo(String c_classname, String c_counsellor, Integer c_classid, Integer pageIndex, Integer pageSize) {
PageInfo<Class> pi = new PageInfo<Class>();
pi.setPageIndex(pageIndex);
pi.setPageSize(pageSize);
//获取总条数
Integer totalCount = classDao.totalCount(c_classname,c_classid,c_counsellor);
if (totalCount>0){
pi.setTotalCount(totalCount);
//每一页显示班级信息数
//currentPage = (pageIndex-1)*pageSize 当前页码数减1*最大条数=开始行数
List<Class> classList = classDao.getClassList(c_classname,c_classid,c_counsellor,
(pi.getPageIndex()-1)*pi.getPageSize(),pi.getPageSize());
pi.setList(classList);
}
return pi;
}
@Override
public List<Class> getAll(){
List<Class> classList = classDao.getAll();
return classList;
}
//通过id删除班级信息
@Override
public int deleteClass(Integer c_id) {
return classDao.deleteClass(c_id);
}
//添加班级信息
@Override
public int addClass(Class uclass) {
return classDao.addClass(uclass);
}
@Override
public Class findClassById (Integer c_id){
Class c = classDao.findClassById(c_id);
return c;
}
//修改班级信息
@Override
public int updateClass(Class uclass) {
return classDao.updateClass(uclass);
}
//查询宿舍人员信息
@Override
public List<Class> findClassStudent(Class uclass) {
List<Class> c = classDao.findClassStudent(uclass);
return c;
}
}
Loading…
Cancel
Save