【JAVA基础】时间处理

#时间处理

##查询前台报表运单数据集

@ApiOperation(value = "查询前台报表运单数据集")
    @Permission(permissionPublic = true)
    @ProcessLovValue(targetField = BaseConstants.FIELD_BODY)
    @GetMapping("/searchIfpShipment")
    public ResponseEntity<Map<String, Object>> searchIfpShipment(
            @RequestParam(required = false) Date beginTime, @RequestParam(required = false) Date endTime, @PathVariable Long organizationId) throws ParseException {
        Map<String,Object> map =  this.ifpFrontDeskService.searchIfpShipmentMap(beginTime, endTime, organizationId);
        return Results.success(map);
    }

   /**
     * 查找前台折线图展示运单数据返回map
     * @param beginTime
     * @param endTime
     * @param organizationId
     * @return
     */
    Map<String, Object> searchIfpShipmentMap(Date beginTime, Date endTime,  Long organizationId) throws ParseException;

</details>
    public Map<String, Object> searchIfpShipmentMap(Date beginTime, Date endTime, Long organizationId) throws ParseException {
        Map<String, Object> map = new HashMap<String, Object>();
        // 查询已接单TO_LOAD状态的运单数据
        List<IfpFrontDeskShipmentDTO> toLoadShipmentList = searchIfpShipment(beginTime, endTime, "TO_LOAD", organizationId);
        map.put("TO_LOAD", toLoadShipmentList);
        // 查询已装货TO_UNLOAD状态的运单数据
        List<IfpFrontDeskShipmentDTO> toUnloadShipmentList = searchIfpShipment(beginTime, endTime, "TO_UNLOAD", organizationId);
        map.put("TO_UNLOAD", toUnloadShipmentList);
        // 查询已卸货TO_SIGN状态的运单数据
        List<IfpFrontDeskShipmentDTO> toSignShipmentList = searchIfpShipment(beginTime, endTime, "TO_SIGN", organizationId);
        map.put("TO_SIGN", toSignShipmentList);
        // 查询已签收SIGN状态的运单数据
        List<IfpFrontDeskShipmentDTO> signShipmentList = searchIfpShipment(beginTime, endTime, "SIGN", organizationId);
        map.put("SIGN", signShipmentList);
        // 查询已对账状态COMPLETED的运单数据
        List<IfpFrontDeskShipmentDTO> completedShipmentList = searchIfpShipment(beginTime, endTime, "COMPLETED", organizationId);
        map.put("COMPLETED", completedShipmentList);
        // 查询已支付状态PAID的运单数据
        List<IfpFrontDeskShipmentDTO> paidShipmentList = searchIfpShipment(beginTime, endTime, "PAID", organizationId);
        map.put("PAID", paidShipmentList);
        return map;
    }

   @Override
    public List<IfpFrontDeskShipmentDTO> searchIfpShipment(Date beginTime, Date endTime, String status, Long organizationId) throws ParseException {
        // 计算时间差
        int day = differentDays(beginTime, endTime);

        List<IfpFrontDeskShipmentDTO> ifpFrontDeskShipmentDTOList = new ArrayList<>();
        Date tempTime = beginTime;
        for (int i = 0; i <= day; i++) {
            IfpFrontDeskShipmentDTO ifpFrontDeskShipmentDTO = new IfpFrontDeskShipmentDTO();
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
            String s = sdf.format(tempTime);
            Date beginDate = sdf.parse(s);
            Date endDate = dateAddOne(beginDate);
            ifpFrontDeskShipmentDTO.setTime(tempTime);
            if (status.equals("TO_LOAD") || status.equals("TO_UNLOAD") || status.equals("TO_SIGN") || status.equals("SIGN")) {
                List<IfpShipment> shipmentList = ifpShipmentPushMapper.selectShipment(status, beginDate, endDate, organizationId);
                int quantity = shipmentList.size();
                ifpFrontDeskShipmentDTO.setShipmentQuantity((long) quantity);
                ifpFrontDeskShipmentDTOList.add(ifpFrontDeskShipmentDTO);
            } else if (status.equals("COMPLETED")) {
                List<IfpShipment> shipmentAccountList = ifpShipmentPushMapper.selectAccountList(status, beginDate, endDate, organizationId);
                int quantity = shipmentAccountList.size();
                ifpFrontDeskShipmentDTO.setShipmentQuantity((long) quantity);
                ifpFrontDeskShipmentDTOList.add(ifpFrontDeskShipmentDTO);
            } else if (status.equals("PAID")) {
                List<IfpShipment> shipmentAccountList = ifpShipmentPushMapper.selectPaidList(status, beginDate, endDate, organizationId);
                int quantity = shipmentAccountList.size();
                ifpFrontDeskShipmentDTO.setShipmentQuantity((long) quantity);
                ifpFrontDeskShipmentDTOList.add(ifpFrontDeskShipmentDTO);
            }
            tempTime = dateAddOne(tempTime);
        }
        return ifpFrontDeskShipmentDTOList;
    }

   /**
     * date2比date1多的天数
     *
     * @param date1
     * @param date2
     * @return
     */
    private static int differentDays(Date date1, Date date2) {
        Calendar cal1 = Calendar.getInstance();
        cal1.setTime(date1);

        Calendar cal2 = Calendar.getInstance();
        cal2.setTime(date2);
        int day1 = cal1.get(Calendar.DAY_OF_YEAR);
        int day2 = cal2.get(Calendar.DAY_OF_YEAR);

        int year1 = cal1.get(Calendar.YEAR);
        int year2 = cal2.get(Calendar.YEAR);
        //同一年
        if (year1 != year2) {
            int timeDistance = 0;
            for (int i = year1; i < year2; i++) {
                //闰年
                if (i % 4 == 0 && i % 100 != 0 || i % 400 == 0) {
                    timeDistance += 366;
                } else    //不是闰年
                {
                    timeDistance += 365;
                }
            }

            return timeDistance + (day2 - day1);
        } else {// 不同年
            System.out.println("判断day2 - day1 : " + (day2 - day1));
            return day2 - day1;
        }
    }

   /*日期加+1天*/
    public static Date dateAddOne(Date date) {
        Calendar calendar = new GregorianCalendar();
        calendar.setTime(date);
        //把日期往后增加一天,整数  往后推,负数往前移动
        calendar.add(Calendar.DATE, 1);
        //这个时间就是日期往后推一天的结果
        date = calendar.getTime();
        return date;
    }

    /**
     * 筛选满足运单状态条件的运单数量
     * @param status
     * @param beginDate
     * @param endDate
     * @param tenantId
     * @return
     */
    List<IfpShipment> selectShipment(String status, Date beginDate,Date endDate, Long tenantId);

  <select id="selectShipment" resultType="com.hand.htms.ifp.entity.IfpShipment">
        SELECT
        *
        FROM
        ifp_shipment t1
        WHERE (t1.creation_date > #{beginDate} and t1.creation_date&lt;#{endDate})
        <if test="status != null and status != ''">
            and t1.shipment_status =#{status}
        </if>
        <if test="tenantId !=null and tenantId != 1">
            and t1.tenant_id = #{tenantId}
        </if>
    </select>

##相关资料

###获取当前日期和时间

https://blog.csdn.net/topdeveloperr/article/details/91571311?spm=1001.2101.3001.6650.3&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-3-91571311-blog-122052434.pc_relevant_paycolumn_v3&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-3-91571311-blog-122052434.pc_relevant_paycolumn_v3&utm_relevant_index=6

###Date与String的相互转换

https://blog.csdn.net/Albert201605/article/details/120463528?spm=1001.2101.3001.6650.5&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-5-120463528-blog-121798357.pc_relevant_multi_platform_whitelistv3&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-5-120463528-blog-121798357.pc_relevant_multi_platform_whitelistv3&utm_relevant_index=6

###两个日期之间相差的天数

https://blog.csdn.net/nandao158/article/details/121905050

###String、Date、LocalDate之间的互相转换

https://blog.csdn.net/weixin_43526092/article/details/103531391

###MySQL查询某一天的数据

https://blog.csdn.net/hl449006540/article/details/119451301?spm=1001.2101.3001.6661.1&utm_medium=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1-119451301-blog-80744153.pc_relevant_multi_platform_featuressortv2dupreplace&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1-119451301-blog-80744153.pc_relevant_multi_platform_featuressortv2dupreplace&utm_relevant_index=1

###MyBatis中，大于号、小于号的两种表达方式

https://hanquan.blog.csdn.net/article/details/104045397?spm=1001.2101.3001.6661.1&utm_medium=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1-104045397-blog-74853617.pc_relevant_multi_platform_whitelistv1_exp2&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1-104045397-blog-74853617.pc_relevant_multi_platform_whitelistv1_exp2&utm_relevant_index=1