package com.hx.mp.util;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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public class TenpayUtil {
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/**
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* �Ѷ���ת�����ַ�
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* @param obj
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* @return String ת�����ַ�,������Ϊnull,�ؿ��ַ�.
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*/
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public static String toString(Object obj) {
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if(obj == null)
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return "";
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return obj.toString();
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}
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/**
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* �Ѷ���ת��Ϊint��ֵ.
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*
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* @param obj
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* �����ֵĶ���.
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* @return int ת�������ֵ,�Բ���ת���Ķ���0��
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*/
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public static int toInt(Object obj) {
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int a = 0;
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try {
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if (obj != null)
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a = Integer.parseInt(obj.toString());
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} catch (Exception e) {
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}
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return a;
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}
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/**
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* ��ȡ��ǰʱ�� yyyyMMddHHmmss
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* @return String
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*/
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public static String getCurrTime() {
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Date now = new Date();
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SimpleDateFormat outFormat = new SimpleDateFormat("yyyyMMddHHmmss");
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String s = outFormat.format(now);
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return s;
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}
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/**
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* ��ȡ��ǰ���� yyyyMMdd
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* @param date
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* @return String
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*/
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public static String formatDate(Date date) {
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SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
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String strDate = formatter.format(date);
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return strDate;
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}
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/**
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* ȡ��һ��ָ�����ȴ�С�����������.
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*
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* @param length
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* int �趨��ȡ�������ij��ȡ�lengthС��11
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* @return int ������ɵ������
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*/
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public static int buildRandom(int length) {
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int num = 1;
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double random = Math.random();
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if (random < 0.1) {
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random = random + 0.1;
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}
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for (int i = 0; i < length; i++) {
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num = num * 10;
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}
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return (int) ((random * num));
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}
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/**
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* ��ȡ�����ַ�
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* @param request
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* @param response
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* @return String
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*/
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public static String getCharacterEncoding(HttpServletRequest request,
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HttpServletResponse response) {
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if(null == request || null == response) {
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return "utf-8";
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}
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String enc = request.getCharacterEncoding();
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if(null == enc || "".equals(enc)) {
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enc = response.getCharacterEncoding();
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}
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if(null == enc || "".equals(enc)) {
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enc = "utf-8";
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}
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return enc;
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}
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/**
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* ��ȡunixʱ�䣬��1970-01-01 00:00:00��ʼ������
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* @param date
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* @return long
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*/
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public static long getUnixTime(Date date) {
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if( null == date ) {
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return 0;
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}
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return date.getTime()/1000;
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}
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/**
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* ʱ��ת�����ַ�
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* @param date ʱ��
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* @param formatType ��ʽ������
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* @return String
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*/
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public static String date2String(Date date, String formatType) {
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SimpleDateFormat sdf = new SimpleDateFormat(formatType);
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return sdf.format(date);
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}
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}
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