基于微信小程序的简易会员卡系统设计源码

package org.example.user.service.impl; import org.example.user.client.MainClient; import org.example.user.mapper.BillMapper; import org.example.user.mapper.CouponMapper; import org.example.user.mapper.UserMapper; import org.example.user.mapper.move.InvitationMapper; import org.example.user.domain.User; import org.example.user.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.cloud.client.ServiceInstance; import org.springframework.cloud.client.discovery.DiscoveryClient; import org.springframework.http.HttpMethod; import org.springframework.http.ResponseEntity; import org.springframework.stereotype.Service; import org.springframework.web.client.RestTemplate; import java.util.Date; import java.util.List; @Service public class UserServiceImpl implements UserService { @Autowired private UserMapper userMapper; @Autowired private InvitationMapper invitationMapper; @Autowired private BillMapper billMapper; @Autowired private CouponMapper couponMapper; @Autowired private DiscoveryClient discoveryClient; // @Autowired // private MainClient mainClient; @Override public User login(String account) { return userMapper.login(account); } @Override public void add(String account, String password, String name, String phone, String invitationCode, Date openCardDate) { userMapper.add(account,password,name,phone,invitationCode,openCardDate); } @Override public User myself(Integer id) { return userMapper.myself(id); } @Override public void update(User user) { userMapper.update(user.getName(),user.getPhone(), user.getId()); } @Override public String getInvitationCode(Integer id) { User user= userMapper.myself(id); return user.getInvitationCode(); } @Override public String getInvitationPerson(Integer id) { RestTemplate restTemplate = new RestTemplate(); //获取服务实例 List<ServiceInstance> instances = discoveryClient.getInstances("main"); if (instances.isEmpty()){//获取的服务为空，跳出 return "服务“main”获取失败~"; } //通过随机负载均衡（当前仅考虑单实例情况，下标写死为0 ServiceInstance serviceInstance = instances.get(0); //通过远程调用，实现业务之间的交流(此处暂且跳过token校验) ResponseEntity<Integer> response = restTemplate.exchange( serviceInstance.getUri()+"/invitation/getInvitationPersonIdById?id="+id, HttpMethod.GET, null, Integer.class ); //根据拿到的id，进行用户查询 Integer invitationPersonId=response.getBody(); //Integer invitationPersonId=mainClient.getInvitationPersonIdById(id); if(invitationPersonId==null){//无人邀请自己 return "暂无"; } else {//有邀请者 return userMapper.myself(invitationPersonId).getName(); } } @Override public Integer invitation(String invitationPersonCode, Integer id) { User user=userMapper.myself(id);//获取用户的信息 Date openCardDate=user.getOpenCardDate();//获取开卡时间 Date now=new Date(); if(now.getTime()-openCardDate.getTime()>86400000*7){//开卡时间以大于7天 return -1;//已不是新用户 } Integer invitationId=userMapper.getIdByInvitationCode(invitationPersonCode); if(invitationId==null){ return 0;//邀请码不存在 } else if(invitationId.equals(id)){ return -2;//不能绑定自己 } else { invitationMapper.invitation(invitationId,id);//绑定成功后，向被绑定者发送一张优惠券 Date date=new Date(System.currentTimeMillis()+604800000);//有效期为7天 couponMapper.add(invitationId,date,0,20.0,5,1); return 1;//绑定成功 } } @Override public Integer changeMoneyByAccount(String account, Double money,String other) {//向指定账户充值金额 User user= userMapper.login(account); if(user==null){ return 0;//该用户不存在 } else { Double newMoney=user.getMoney()+money; userMapper.changeMoneyByAccount(user.getId(),newMoney); billMapper.addOneBill(user.getId(),2,money,other,new Date()); return 1; } } }