将时间超过万的数字转换为保留两位小数的阅读

/**
 * 数字处理类
 * @Author : wangchi
 * @Date 2021/1/14 9:57
 */
public class NumberUtils {
    private static final Integer TEN_THOUSAND = 10000;
    private static final Integer THOUSAND = 1000;
    private static final Integer HUNDRED = 100;
    private static final String TEN_THOUSAND_STRING = "万";
    private static final String POINT_STRING = ".";
    /**
     * 将整数超过万的转换成，有两位精度的描述
     * 比如 ： 123000 -> 12.30万
     * @return
     */
    public static String convertIntegerToTenThousand(Integer inputNumber){
        if(ObjectUtils.isEmpty(inputNumber)){
            return "";
        }
        StringBuffer convertNumber = new StringBuffer();
        if (inputNumber > TEN_THOUSAND){
            Integer tenThousand = inputNumber/TEN_THOUSAND;
            Integer thousand = (inputNumber/THOUSAND)%tenThousand;
            Integer hundred = (inputNumber/HUNDRED)%(inputNumber/THOUSAND);
            convertNumber.append(tenThousand).append(POINT_STRING).append(thousand).append(hundred);
            convertNumber.append(TEN_THOUSAND_STRING);
        }else{
            convertNumber.append(inputNumber);
        }
        return convertNumber.toString();
    }

    public static void main(String[] args) {
        Integer nun = 20480;
        String s = convertIntegerToTenThousand(nun);
        System.out.println(s);
    }
}