强烈推荐一个大神的人工智能的教程：http://www.captainai.net/zhanghan

前言

最近在做社交业务，用户进入APP后有签到功能，签到成功后获取相应的奖励：

项目状况：前期尝试业务阶段；

特点：

快速实现（不需要做太重，满足初期推广运营即可）

快速投入市场去运营

用户签到：

用户在每次启动时查询签到记录（规则：连续7日签到从0开始，签到过程中有断签从0开始）

如果今日未签到则提示用户可以进行签到

用户签到获取相应的奖励

提到签到，脑海中首先浮现特点：

需要记录每位用户每天的签到情况

查询时根据规则进行签到记录情况

需求&流程设计&技术实现方案

需求原型图

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查询签到记录

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进行签到

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技术实现方案

SpringBoot
MySQL

数据库表结构

签到记录最新表

CREATE TABLE `zh_sign_in` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `bu_no` varchar(32) DEFAULT NULL COMMENT '业务编码',
  `customer_id` varchar(32) DEFAULT NULL COMMENT '签到用户编码',
  `sign_in_date` datetime DEFAULT NULL COMMENT '签到日期(单位精确到日)',
  `reward_money` int(11) DEFAULT NULL COMMENT '本次签到奖励金币个数',
  `continuite_day` int(2) DEFAULT '1' COMMENT '连续签到天数（A:7天内如果有断签从0开始 B:7天签满从0开始）',
  `create_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `update_time` datetime  DEFAULT CURRENT_TIMESTAMP COMMENT '更新时间',
  `param1` int(2) DEFAULT NULL COMMENT '预留字段1',
  `param2` int(4) DEFAULT NULL COMMENT '预留字段2',
  `param3` int(11) DEFAULT NULL COMMENT '预留字段3',
  `param4` varchar(20) DEFAULT NULL COMMENT '预留字段4',
  `param5` varchar(32) DEFAULT NULL COMMENT '预留字段5',
  `param6` varchar(64) DEFAULT NULL COMMENT '预留字段6',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE KEY `uk_zh_sign_in_buno` (`bu_no`),
  UNIQUE KEY `uk_zh_sign_in_cid_signindate` (`customer_id`,`sign_in_date`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='用户签到表';

签到记录历史表

CREATE TABLE `zh_sign_in_hist` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `bu_no` varchar(32) DEFAULT NULL COMMENT '业务编码',
  `customer_id` varchar(32) DEFAULT NULL COMMENT '签到用户编码',
  `sign_in_date` datetime NULL DEFAULT NULL COMMENT '签到日期(单位精确到日)',
  `reward_money` int(11) DEFAULT NULL COMMENT '本次签到奖励金币个数',
  `continuite_day` int(2) DEFAULT '1' COMMENT '连续签到天数（A:7天内如果有断签从0开始 B:7天签满从0开始）',
  `create_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `update_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT '更新时间',
  `param1` int(2) DEFAULT NULL COMMENT '预留字段1',
  `param2` int(4) DEFAULT NULL COMMENT '预留字段2',
  `param3` int(11) DEFAULT NULL COMMENT '预留字段3',
  `param4` varchar(20) DEFAULT NULL COMMENT '预留字段4',
  `param5` varchar(32) DEFAULT NULL COMMENT '预留字段5',
  `param6` varchar(64) DEFAULT NULL COMMENT '预留字段6',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE KEY `uk_zh_sign_in_hist_cid_signindate` (`customer_id`,`sign_in_date`) USING BTREE,
  KEY `key_zh_sign_in_hist_buno` (`bu_no`) USING BTREE
) ENGINE=InnoDB  DEFAULT CHARSET=utf8mb4 COMMENT='用户签到历史表';

代码实现

完整代码（GitHub，欢迎大家Star,Fork,Watch)

https://github.com/dangnianchuntian/springboot

主要代码展示

Controller

/*
 * Copyright (c) 2020. zhanghan_java@163.com All Rights Reserved.
 * 项目名称：Spring Boot实战:签到奖励实现方案
 * 类名称：SignInController.java
 * 创建人：张晗
 * 联系方式：zhanghan_java@163.com
 * 开源地址: https://github.com/dangnianchuntian/springboot
 * 博客地址: https://zhanghan.blog.csdn.net
 */
package com.zhanghan.zhsignin.controller;
import com.zhanghan.zhsignin.controller.request.PostSignInRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import com.zhanghan.zhsignin.controller.request.ListSignInDetailRequest;
import com.zhanghan.zhsignin.service.SignInService;
@RestController
public class SignInController {
    @Autowired
    private SignInService signInService;
    /**
     * 查询签到记录
     */
    @RequestMapping(value = "/list/sign/in/detail", method = RequestMethod.POST)
    public Object listSignInDetail(@RequestBody @Validated ListSignInDetailRequest listSignInDetailRequest) {
        return signInService.listSignInDetail(listSignInDetailRequest);
    }
    /**
     * 用户进行签到
     */
    @RequestMapping(value = "/post/sign/in", method = RequestMethod.POST)
    public Object postSignIn(@RequestBody @Validated PostSignInRequest postSignInRequest) {
        return signInService.postSignIn(postSignInRequest);
    }
}

service

/*
 * Copyright (c) 2020. zhanghan_java@163.com All Rights Reserved.
 * 项目名称：Spring Boot实战:签到奖励实现方案
 * 类名称：SignInServiceImpl.java
 * 创建人：张晗
 * 联系方式：zhanghan_java@163.com
 * 开源地址: https://github.com/dangnianchuntian/springboot
 * 博客地址: https://zhanghan.blog.csdn.net
 */
package com.zhanghan.zhsignin.service.impl;
import cn.hutool.core.util.IdUtil;
import com.zhanghan.zhsignin.config.SignInRewardMoneyListConfig;
import com.zhanghan.zhsignin.constant.SignInConstant;
import com.zhanghan.zhsignin.controller.request.ListSignInDetailRequest;
import com.zhanghan.zhsignin.controller.request.PostSignInRequest;
import com.zhanghan.zhsignin.controller.response.ListSignInDetailResponse;
import com.zhanghan.zhsignin.mybatis.entity.XZhSignInEntity;
import com.zhanghan.zhsignin.mybatis.entity.XZhSignInHistEntity;
import com.zhanghan.zhsignin.mybatis.mapper.XZhSignInHistMapper;
import com.zhanghan.zhsignin.mybatis.mapper.XZhSignInMapper;
import com.zhanghan.zhsignin.service.SignInService;
import com.zhanghan.zhsignin.util.DateUtils;
import com.zhanghan.zhsignin.util.wrapper.WrapMapper;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;
import static com.zhanghan.zhsignin.constant.SignInConstant.*;
@Service
public class SignInServiceImpl implements SignInService {
    @Autowired
    private XZhSignInMapper xZhSignInMapper;
    @Autowired
    private XZhSignInHistMapper xZhSignInHistMapper;
    //校验连续天数是否为7
    @Value("#{T(java.lang.Integer).parseInt('${zh.sign.in.continuite.day.threshold:7}')}")
    public Integer continuiteDayThreshold;
    //签到奖励金币集合配置
    @Autowired
    public SignInRewardMoneyListConfig signInRewardMoneyListConfig;
    /**
     * 查询用户签到记录
     */
    @Override
    public Object listSignInDetail(ListSignInDetailRequest listSignInDetailRequest) {
        //若配置文件中未配置签到奖励则不展示签到记录
        List<Integer> signInRewardMoneyListConfigList = signInRewardMoneyListConfig.getList();
        if (CollectionUtils.isEmpty(signInRewardMoneyListConfigList)) {
            return WrapMapper.ok(new ListSignInDetailResponse(false));
        }
        String customerId = listSignInDetailRequest.getCustomerId();
        XZhSignInEntity xZhSignInEntity = xZhSignInMapper.findByCustomerId(customerId);
        List<ListSignInDetailResponse.SignInDetail> signInDetailList = signInRewardMoneyListConfigList.stream().map(aa -> new ListSignInDetailResponse.SignInDetail(0, aa)).collect(Collectors.toList());
        //该用户之前未签到过
        if (null == xZhSignInEntity) {
            return WrapMapper.ok(new ListSignInDetailResponse(TODAY_NOT_SIGN_IN, SignInConstant.CONTINUITE_DAY_ZERO, signInDetailList));
        }
        long signInDateTime = xZhSignInEntity.getSignInDate().getTime();
        //最近一次签到是否为昨日之前
        if (signInDateTime < DateUtils.getYesterdayDateTime()) {
            return WrapMapper.ok(new ListSignInDetailResponse(TODAY_NOT_SIGN_IN, SignInConstant.CONTINUITE_DAY_ZERO, signInDetailList));
        }
        //最近一次签到是否为昨日
        Integer todaySignStatus = TODAY_YES_SIGN_IN;
        Integer continuiteDay = xZhSignInEntity.getContinuiteDay();
        if (signInDateTime < DateUtils.getTodayDateTime()) {
            //最近一次签到是昨日且之前已连续签到7日
            if (continuiteDay >= continuiteDayThreshold) {
                return WrapMapper.ok(new ListSignInDetailResponse(TODAY_NOT_SIGN_IN, SignInConstant.CONTINUITE_DAY_ZERO, signInDetailList));
            }
            //最近一次签到是昨日且之前连续未超7日
            todaySignStatus = TODAY_NOT_SIGN_IN;
        }
        //查询用户签到历史记录
        List<XZhSignInHistEntity> xZhSignInHistEntitieList = xZhSignInHistMapper.listByCustomerIdAndLimit(customerId, continuiteDay);
        for (XZhSignInHistEntity xZhSignInHistEntity : xZhSignInHistEntitieList) {
            ListSignInDetailResponse.SignInDetail signInDetail = new ListSignInDetailResponse.SignInDetail(TODAY_YES_SIGN_IN, xZhSignInHistEntity.getRewardMoney());
            signInDetailList.remove(xZhSignInHistEntity.getContinuiteDay() - 1);
            signInDetailList.add(xZhSignInHistEntity.getContinuiteDay() - 1, signInDetail);
        }
        return WrapMapper.ok(new ListSignInDetailResponse(todaySignStatus, continuiteDay, signInDetailList));
    }
    /**
     * 进行签到
     */
    @Override
    public Object postSignIn(PostSignInRequest postSignInRequest) {
        //若配置文件中未配置签到奖励则不展示签到记录
        List<Integer> signInRewardMoneyListConfigList = signInRewardMoneyListConfig.getList();
        if (CollectionUtils.isEmpty(signInRewardMoneyListConfigList)) {
            return WrapMapper.ok();
        }
        //获取session用户对象
        String customerId = postSignInRequest.getCustomerId();
        //根据customerId查询用户签到记录
        XZhSignInEntity xZhSignInEntityByCustomerId = xZhSignInMapper.findByCustomerId(customerId);
        //签到记录是否为空
        if (null == xZhSignInEntityByCustomerId) {
            XZhSignInEntity xZhSignInEntity = new XZhSignInEntity();
            xZhSignInEntity.setBuNo(IdUtil.simpleUUID());
            xZhSignInEntity.setCustomerId(customerId);
            xZhSignInEntity.setContinuiteDay(CONTINUITE_DAY_ONE);
            xZhSignInEntity.setRewardMoney(signInRewardMoneyListConfigList.get(0));
            xZhSignInEntity.setSignInDate(DateUtils.getTodayDate());
            insertSigninAndHist(xZhSignInEntity);
            return WrapMapper.ok();
        }
        long signInDateTime = xZhSignInEntityByCustomerId.getSignInDate().getTime();
        if (signInDateTime == DateUtils.getTodayDateTime()) {
            return WrapMapper.error("今天已经签到");
        }
        //获取连续签到天数
        Integer continuiteDay = continuiteDay(xZhSignInEntityByCustomerId.getContinuiteDay(), signInDateTime);
        xZhSignInEntityByCustomerId.setSignInDate(DateUtils.getTodayDate());
        xZhSignInEntityByCustomerId.setContinuiteDay(continuiteDay);
        xZhSignInEntityByCustomerId.setRewardMoney(signInRewardMoneyListConfigList.get(continuiteDay - 1));
        xZhSignInEntityByCustomerId.setUpdateTime(new Date());
        xZhSignInEntityByCustomerId.setBuNo(IdUtil.simpleUUID());
        updateSignInAndInsertHist(xZhSignInEntityByCustomerId);
        return WrapMapper.ok();
    }
    private Integer continuiteDay(Integer continuiteDay, Long signInDateTime) {
        if (signInDateTime < DateUtils.getYesterdayDateTime()) {
            return CONTINUITE_DAY_ONE;
        }
        if (continuiteDay >= continuiteDayThreshold) {
            return CONTINUITE_DAY_ONE;
        }
        return continuiteDay + 1;
    }
    private void insertSigninAndHist(XZhSignInEntity xZhSignInEntity) {
        xZhSignInMapper.insertSelective(xZhSignInEntity);
        XZhSignInHistEntity xZhSignInHistEntity = new XZhSignInHistEntity();
        BeanUtils.copyProperties(xZhSignInEntity, xZhSignInHistEntity);
        xZhSignInHistEntity.setId(null);
        xZhSignInHistMapper.insertSelective(xZhSignInHistEntity);
    }
    private void updateSignInAndInsertHist(XZhSignInEntity xZhSignInEntity) {
        xZhSignInMapper.updateByPrimaryKeySelective(xZhSignInEntity);
        XZhSignInHistEntity xZhSignInHistEntity = new XZhSignInHistEntity();
        BeanUtils.copyProperties(xZhSignInEntity, xZhSignInHistEntity);
        xZhSignInHistEntity.setId(null);
        xZhSignInHistMapper.insertSelective(xZhSignInHistEntity);
    }
}

测试

模拟用户进行签到

进行请求

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查看数据库结果

模拟用户查询签到记录

进行请求

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总结

亮点：实现业务连续签到，断签以及奖励的业务
注意点：基于数据库查询做的，在进行签到接口需要用redis锁防止并发操作
后续会持续分享更多业务中的亮点

SpringBoot实战（十八）:签到奖励实现方案

前言

需求&流程设计&技术实现方案

数据库表结构

代码实现

测试

总结

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