实战：如果让你用SpringBoot实现签到奖励的功能，你会怎么做？

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';

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';

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;
@RestControllerpublic 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);    }
}

/* * 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.*;
@Servicepublic 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);    }
}