基于微信小程序和springBoot的一个投票系统.zip

package com.suntak.demo.service.impl; import com.suntak.demo.dao.UserDao; import com.suntak.demo.entity.User; import com.suntak.demo.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import java.util.Date; import java.util.List; @Service public class UserServiceImpl implements UserService { @Autowired private UserDao userDao; @Override public List<User> getUserList() { return userDao.queryUser(); } @Override public User getUserById(int userid) { return userDao.getUserById(userid); } @Override public User checkUser(String username, String password) { return userDao.checkUser(username,password); } @Transactional @Override public boolean addUser(User user) { if(user.getUserid() != null && !"".equals(user.getUserid())){ user.setRegisterDate(new Date()); try{ int effectedNum = userDao.insertUser(user); if(effectedNum > 0){ return true; }else{ throw new RuntimeException("插入用户信息失败！ "); } }catch (Exception e){ throw new RuntimeException("插入用户信息失败！ " + e.getMessage()); } }else{ throw new RuntimeException("用户信息不能为空！ "); } } @Override public boolean modifyUser(User user) { if(user.getUserid() != null && !"".equals(user.getUserid())){ user.setRegisterDate(new Date()); try{ int effectedNum = userDao.updateUser(user); if(effectedNum > 0){ return true; }else{ throw new RuntimeException("更新用户信息失败！ "); } }catch (Exception e){ throw new RuntimeException("更新用户信息失败！ " + e.getMessage()); } }else{ throw new RuntimeException("用户信息不能为空！ "); } } @Override public boolean deleteUser(int userid) { try{ int effectedNum = userDao.deletUser(userid); if(effectedNum > 0){ return true; }else{ throw new RuntimeException("删除用户信息失败！ "); } }catch (Exception e){ throw new RuntimeException("删除用户信息失败！ " + e.getMessage()); } } }