Java Code Examples for cn.hutool.core.date.DateUtil#month()

/**
 * 无数据补0
 * @param data
 * @param year
 * @return
 */
public List<OrderChartData> getFullYearData(List<OrderChartData> data,int year){

    List<OrderChartData> fullData = new ArrayList<>();
    //起始月份
    Date everyMonth = TimeUtil.getBeginDayOfYear(year);
    int count = -1;
    for(int i=0;i<12;i++){
        boolean flag = true;
        for(OrderChartData chartData:data){
            if(DateUtil.month(chartData.getTime())==DateUtil.month(everyMonth)){
                //有数据
                flag = false;
                count++;
                break;
            }
        }
        if(!flag){
            fullData.add(data.get(count));
        }else{
            OrderChartData orderChartData = new OrderChartData();
            orderChartData.setTime(everyMonth);
            orderChartData.setMoney(new BigDecimal("0"));
            fullData.add(orderChartData);
        }

        //时间+1天
        Calendar cal = Calendar.getInstance();
        cal.setTime(everyMonth);
        cal.add(Calendar.MONTH, 1);
        everyMonth = cal.getTime();
    }
    return fullData;
}
 

@ApiOperation("DateUtil使用：日期时间工具")
@GetMapping(value = "/dateUtil")
public CommonResult dateUtil() {
    //Date、long、Calendar之间的相互转换
    //当前时间
    Date date = DateUtil.date();
    //Calendar转Date
    date = DateUtil.date(Calendar.getInstance());
    //时间戳转Date
    date = DateUtil.date(System.currentTimeMillis());
    //自动识别格式转换
    String dateStr = "2017-03-01";
    date = DateUtil.parse(dateStr);
    //自定义格式化转换
    date = DateUtil.parse(dateStr, "yyyy-MM-dd");
    //格式化输出日期
    String format = DateUtil.format(date, "yyyy-MM-dd");
    //获得年的部分
    int year = DateUtil.year(date);
    //获得月份，从0开始计数
    int month = DateUtil.month(date);
    //获取某天的开始、结束时间
    Date beginOfDay = DateUtil.beginOfDay(date);
    Date endOfDay = DateUtil.endOfDay(date);
    //计算偏移后的日期时间
    Date newDate = DateUtil.offset(date, DateField.DAY_OF_MONTH, 2);
    //计算日期时间之间的偏移量
    long betweenDay = DateUtil.between(date, newDate, DateUnit.DAY);
    return CommonResult.success(null, "操作成功");
}
 

private String buildFullPath(Post post) {

        PostPermalinkType permalinkType = optionService.getPostPermalinkType();

        String pathSuffix = optionService.getPathSuffix();

        String archivesPrefix = optionService.getArchivesPrefix();

        int month = DateUtil.month(post.getCreateTime()) + 1;

        String monthString = month < 10 ? "0" + month : String.valueOf(month);

        int day = DateUtil.dayOfMonth(post.getCreateTime());

        String dayString = day < 10 ? "0" + day : String.valueOf(day);

        StringBuilder fullPath = new StringBuilder();

        if (optionService.isEnabledAbsolutePath()) {
            fullPath.append(optionService.getBlogBaseUrl());
        }

        fullPath.append(URL_SEPARATOR);

        if (permalinkType.equals(PostPermalinkType.DEFAULT)) {
            fullPath.append(archivesPrefix)
                .append(URL_SEPARATOR)
                .append(post.getSlug())
                .append(pathSuffix);
        } else if (permalinkType.equals(PostPermalinkType.ID)) {
            fullPath.append("?p=")
                .append(post.getId());
        } else if (permalinkType.equals(PostPermalinkType.DATE)) {
            fullPath.append(DateUtil.year(post.getCreateTime()))
                .append(URL_SEPARATOR)
                .append(monthString)
                .append(URL_SEPARATOR)
                .append(post.getSlug())
                .append(pathSuffix);
        } else if (permalinkType.equals(PostPermalinkType.DAY)) {
            fullPath.append(DateUtil.year(post.getCreateTime()))
                .append(URL_SEPARATOR)
                .append(monthString)
                .append(URL_SEPARATOR)
                .append(dayString)
                .append(URL_SEPARATOR)
                .append(post.getSlug())
                .append(pathSuffix);
        }
        return fullPath.toString();
    }
 

private BasePostMinimalDTO buildPostFullPath(BasePostMinimalDTO post) {
    PostPermalinkType permalinkType = optionService.getPostPermalinkType();

    String pathSuffix = optionService.getPathSuffix();

    String archivesPrefix = optionService.getArchivesPrefix();

    int month = DateUtil.month(post.getCreateTime()) + 1;

    String monthString = month < 10 ? "0" + month : String.valueOf(month);

    int day = DateUtil.dayOfMonth(post.getCreateTime());

    String dayString = day < 10 ? "0" + day : String.valueOf(day);

    StringBuilder fullPath = new StringBuilder();

    if (optionService.isEnabledAbsolutePath()) {
        fullPath.append(optionService.getBlogBaseUrl());
    }

    fullPath.append(URL_SEPARATOR);

    if (permalinkType.equals(PostPermalinkType.DEFAULT)) {
        fullPath.append(archivesPrefix)
            .append(URL_SEPARATOR)
            .append(post.getSlug())
            .append(pathSuffix);
    } else if (permalinkType.equals(PostPermalinkType.ID)) {
        fullPath.append("?p=")
            .append(post.getId());
    } else if (permalinkType.equals(PostPermalinkType.DATE)) {
        fullPath.append(DateUtil.year(post.getCreateTime()))
            .append(URL_SEPARATOR)
            .append(monthString)
            .append(URL_SEPARATOR)
            .append(post.getSlug())
            .append(pathSuffix);
    } else if (permalinkType.equals(PostPermalinkType.DAY)) {
        fullPath.append(DateUtil.year(post.getCreateTime()))
            .append(URL_SEPARATOR)
            .append(monthString)
            .append(URL_SEPARATOR)
            .append(dayString)
            .append(URL_SEPARATOR)
            .append(post.getSlug())
            .append(pathSuffix);
    }

    post.setFullPath(fullPath.toString());

    return post;
}