package com.yeshi.buwan.util;

import java.text.DecimalFormat;
import java.util.regex.Pattern;

import javax.persistence.Entity;

@Entity
public class NumberUtil {

	public static String get2PointNumber(float price) {
		DecimalFormat decimalFormat = new DecimalFormat(".00");// 构造方法的字符格式这里如果小数不足2位,会以0补足.
		String p = decimalFormat.format(price);// format 返回的是字符串
		return p;
	}

	public static String get1PointNumber(float price) {
		DecimalFormat decimalFormat = new DecimalFormat(".0");// 构造方法的字符格式这里如果小数不足2位,会以0补足.
		String p = decimalFormat.format(price);// format 返回的是字符串
		return p;
	}

	public static String get1PointNumber(double price) {
		DecimalFormat decimalFormat = new DecimalFormat(".0");// 构造方法的字符格式这里如果小数不足2位,会以0补足.
		String p = decimalFormat.format(price);// format 返回的是字符串
		return p;
	}

	public static String get1Point(float d) {
		DecimalFormat fnum = new DecimalFormat("##0.0");
		String dd = fnum.format(d);
		return dd;
	}

	public static String get1Point(String d) {
		try {
			return get1Point(Float.parseFloat(d));
		} catch (Exception e) {
			e.printStackTrace();
		}
		return "9.0";
	}

	private static String getNumberWithZero(int number) {
		if (number < 10)
			return "0" + number;
		else
			return number + "";
	}

	// 将秒转化为标准时间长度
	public static String convertSecondToString(int second) {
		if (second < 60) {// 小于1分钟
			return "00:" + getNumberWithZero(second);
		} else if (second < 60 * 60) {// 小于1小时
			int minite = second / 60;
			return getNumberWithZero(minite) + ":"
					+ getNumberWithZero(second % 60);
		} else {
			int hour = second / (60 * 60);
			int minite = (second % (60 * 60)) / 60;
			int se = (second % (60 * 60)) % 60;
			return getNumberWithZero(hour) + ":" + getNumberWithZero(minite)
					+ ":" + getNumberWithZero(se);
		}
	}

	public static boolean isNumeric(String str) {

		if (str == null || "".equals(str.trim())) {
			return false;
		}

		Pattern pattern = Pattern.compile("[0-9]*");
		return pattern.matcher(str).matches();
	}

}