530 lines
12 KiB
Java
530 lines
12 KiB
Java
package com.tenwa.reckon.util;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Date;
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/**
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*
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* @author SHIHONGFEI
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* @version 1.0
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* @copyright (C) TENWA 2011
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* @date 2011-2-17
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* @desc ( Date时间处理工具类)
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*/
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public class DateTools {
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public static SimpleDateFormat timeFormart = new SimpleDateFormat("HH:mm:ss");
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public static SimpleDateFormat dateFormart = new SimpleDateFormat("yyyy/MM/dd");
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public static SimpleDateFormat dateTimeFormart = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
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public static String getSystemDate(){
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return formatToDate(new Date());
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}
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public static String getSystemTime(){
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return formatToTime(new Date());
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}
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public static String getSystemDateTime(){
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return formatToDateTime(new Date());
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}
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public static String formatToDate(Date date) {
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if(date != null){
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return dateFormart.format(date);
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}
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return null;
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}
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public static String formatToDateTime(Date date) {
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if(date != null){
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return dateTimeFormart.format(date);
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}
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return null;
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}
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public static String formatToTime(Date date) {
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if(date != null){
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return timeFormart.format(date);
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}
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return null;
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}
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public static Date parseToDate(String date) {
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if (date != null) {
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try {
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if (date.length() == 10) {
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return dateFormart.parse(date);
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} else if (date.length() == 19) {
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return dateTimeFormart.parse(date);
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}
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} catch (ParseException e) {
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}
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}
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return null;
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}
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/**
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* DB时间字符串取出处理
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*
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* @param datestr
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* @return
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*/
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public static String getDBDateStr(String datestr) {
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try {
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String temp_date = datestr;
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if ((temp_date == null) || (temp_date.equals("")) || (temp_date.indexOf("1900") >= 0)) {
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temp_date = "";
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} else {
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temp_date = temp_date.substring(0, 10);
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}
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return temp_date;
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} catch (Exception e) {
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}
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return "";
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}
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/**
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* 返回系统时间 0--返回时间字符串 1--返回sql时间字符串
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*
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* @param rtype
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* @return
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*/
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public static String getSystemDate(int rtype) {
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try {
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Calendar cal = Calendar.getInstance();
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String module = "yyyy/MM/dd";
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if (rtype == 2) {
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module = "yyyyMMdd";
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}
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SimpleDateFormat formatter1 = new SimpleDateFormat(module);
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String fld_date = formatter1.format(cal.getTime());
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if (rtype == 0)
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return fld_date;
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else if (rtype == 1)
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return "'" + fld_date + "'"; // sql server
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// return "to_date("+fld_date+",'yyyy-mm-dd')"; //oracle
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else
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return fld_date;
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} catch (Exception e) {
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}
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return "null";
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}
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/**
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* 在原有的日期上添加值
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*
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* @param date
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* 所要添加的日期
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* @param leng
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* 所要添加数
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* @param type
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* 添加的类型 年，月，日
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* @return
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*/
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public static Date getDateAdd(Date date, int leng, String type) {
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Date addDate = null;
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Calendar cal = Calendar.getInstance();
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cal.setTime(date);
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if (type.equals("yy")) {
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cal.add(Calendar.YEAR, leng);
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} else if (type.equals("mm")) {
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cal.add(Calendar.MONTH, leng);
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} else if (type.equals("we")) {
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cal.add(Calendar.WEEK_OF_YEAR, leng);
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} else if (type.equals("dd")) {
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cal.add(Calendar.DAY_OF_YEAR, leng);
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} else if (type.equals("hh")) {
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cal.add(Calendar.HOUR_OF_DAY, leng);
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} else if (type.equals("mi")) {
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cal.add(Calendar.MINUTE, leng);
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} else if (type.equals("ss")) {
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}
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addDate = cal.getTime();
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return addDate;
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}
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/**
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* 在原有的日期上添加值
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*
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* @param date
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* 所要添加的日期(字符串类型的日期)
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* @param leng
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* 所要添加数
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* @param type
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* 添加的类型 年，月，日
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* @return
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*/
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public static String getDateAdd(String strDate, int leng, String type) {
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Date addDate = null;
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Date date = null;
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
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try {
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date = sdf.parse(strDate);
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} catch (Exception e) {
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System.out.println(e);
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}
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Calendar cal = Calendar.getInstance();
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cal.setTime(date);
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if (type.equals("yy")) {
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cal.add(Calendar.YEAR, leng);
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} else if (type.equals("mm")) {
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cal.add(Calendar.MONTH, leng);
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} else if (type.equals("we")) {
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cal.add(Calendar.WEEK_OF_YEAR, leng);
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} else if (type.equals("dd")) {
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cal.add(Calendar.DAY_OF_YEAR, leng);
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} else if (type.equals("hh")) {
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cal.add(Calendar.HOUR_OF_DAY, leng);
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} else if (type.equals("mi")) {
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cal.add(Calendar.MINUTE, leng);
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} else if (type.equals("ss")) {
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}
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addDate = cal.getTime();
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return sdf.format(addDate);
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}
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/**
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* 得到两时间的间隔月数
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*
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* @param bdate
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* @param edate
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* @return
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*/
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public static int getDateDiffMonth(String bdate, String edate) {
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try {
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String[] barray = bdate.split("-");
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String[] earray = edate.split("-");
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return (Integer.parseInt(earray[0]) - Integer.parseInt(barray[0])) * 12 + (Integer.parseInt(earray[1]) - Integer.parseInt(barray[1]));
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} catch (Exception e) {
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}
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return 0;
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}
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/**
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* 返回两时间间隔天数 bdate--开始时间字符串 edate--结束时间字符串
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*
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* @param bdate
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* @param edate
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* @return
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*/
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public static long getDateDiff(Date bdate, Date edate) {
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try {
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long datediff = (bdate.getTime() - edate.getTime()) / (1000 * 60 * 60 * 24);
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return datediff;
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} catch (Exception e) {
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}
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return 0;
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}
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/**
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* 返回两时间间隔天数 bdate--开始时间字符串 edate--结束时间字符串
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*
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* @param strbdate
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* @param stredate
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* @return
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*/
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public static long getDateDiff(String strbdate, String stredate) {
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Date bdate = null;
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Date edate = null;
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try {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
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bdate = sdf.parse(strbdate);
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edate = sdf.parse(stredate);
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long datediff = (bdate.getTime() - edate.getTime()) / (1000 * 60 * 60 * 24);
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return datediff;
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} catch (Exception e) {
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}
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return 0;
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}
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/**
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* 获得一月中的最后一天
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*
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* @param year
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* @param month
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* @return
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*/
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public static String getLastDayOfMonth(String year, String month) {
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Calendar cal = Calendar.getInstance();
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// 年
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cal.set(Calendar.YEAR, Integer.parseInt(year));
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// 月，因为Calendar里的月是从0开始，所以要-1
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cal.set(Calendar.MONTH, Integer.parseInt(month) - 1);
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// 日，设为一号
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cal.set(Calendar.DATE, 1);
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// 月份加一，得到下个月的一号
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cal.add(Calendar.MONTH, 1);
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// 下一个月减一为本月最后一天
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cal.add(Calendar.DATE, -1);
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return String.valueOf(cal.get(Calendar.DAY_OF_MONTH));// 获得月末是几号
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}
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/**
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* 两日期间隔数
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*
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* @param type
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* 年，月，日
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* @param b_date
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* @param e_date
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* @return
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*/
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public static long dateDiff(String type, String b_date, String e_date) {
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long r_turn = -1;
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String b_year = b_date.substring(0, 4);
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String e_year = e_date.substring(0, 4);
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String b_month = b_date.substring(5, 7);
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String e_month = e_date.substring(5, 7);
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if (type.equals("year")) {
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r_turn = Long.parseLong(e_year) - Long.parseLong(b_year);
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} else if (type.equals("month")) {
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r_turn = Long.parseLong(e_year) * 12 + Long.parseLong(e_month) - Long.parseLong(b_year) * 12 - Long.parseLong(b_month);
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} else if (type.equals("day")) {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
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try {
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Date begin_date = sdf.parse(b_date);
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Date end_date = sdf.parse(e_date);
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r_turn = (end_date.getTime() - begin_date.getTime()) / 24 / 60 / 60 / 1000;
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} catch (ParseException e) {
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// Auto-generated catch block
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e.printStackTrace();
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}
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}
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return r_turn;
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}
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/**
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* 在某日期上添加某类型的日期数
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*
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* @param type
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* @param leng
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* @param strDate
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* @return
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*/
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public static String dateAdd(String type, int leng, String strDate) {
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Date addDate = null;
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Date date = null;
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
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try {
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date = sdf.parse(strDate);
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} catch (Exception e) {
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System.out.println(e);
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}
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Calendar cal = Calendar.getInstance();
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cal.setTime(date);
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if (type.equals("year")) {
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cal.add(Calendar.YEAR, leng);
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} else if (type.equals("month")) {
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cal.add(Calendar.MONTH, leng);
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} else if (type.equals("we")) {
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cal.add(Calendar.WEEK_OF_YEAR, leng);
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} else if (type.equals("day")) {
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cal.add(Calendar.DAY_OF_YEAR, leng);
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} else if (type.equals("hh")) {
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cal.add(Calendar.HOUR_OF_DAY, leng);
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} else if (type.equals("mi")) {
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cal.add(Calendar.MINUTE, leng);
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} else if (type.equals("ss")) {
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}
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addDate = cal.getTime();
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return sdf.format(addDate);
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}
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/**
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* 返回一个日期的下一年的第一天
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*
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* @Title: getYearFirstDate
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* @Description:
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* @param
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* @param txrq
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* @param
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* @return
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* @return String
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* @throws
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*/
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public static String getYearFirstDay(String chargeDate) {
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String rdate = getDateAdd(chargeDate, 1, "yy");
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rdate = rdate.substring(0, 4) + "/01/01";
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return rdate;
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}
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/**
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* 得到下个月的第一天
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*
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* @return
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*/
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public static String getMonthFirstDay(String date) {
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String rdate = getDateAdd(date, 1, "mm");
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rdate = rdate.substring(0, rdate.length() - 2) + "01";
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return rdate;
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}
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/**
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*
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* ( 得到一个日期的年份)
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*
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* @param strDate
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* @return
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* @throws ParseException
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*/
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public static String getDateYear(String strDate) throws ParseException {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
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Calendar date = Calendar.getInstance();
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date.setTime(sdf.parse(strDate));
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return String.valueOf(date.get(Calendar.YEAR));
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}
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/**
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*
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* ( 得到一个日期的月份)
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*
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* @param strDate
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* @return
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* @throws ParseException
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*/
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public static String getDateMonth(String strDate) throws ParseException {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
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Calendar date = Calendar.getInstance();
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date.setTime(sdf.parse(strDate));
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return String.valueOf(date.get(Calendar.MONTH) + 1);
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}
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/**
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*
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* ( 得到一个日期的天数)
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*
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* @param strDate
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* @return
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* @throws ParseException
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*/
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public static String getDateDay(String strDate) throws ParseException {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
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Calendar date = Calendar.getInstance();
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date.setTime(sdf.parse(strDate));
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return String.valueOf(date.get(Calendar.DAY_OF_MONTH));
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}
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// public static void main(String[] args) throws ParseException {
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//
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// SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
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//
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// Calendar date = Calendar.getInstance();
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// date.setTime(sdf.parse("2004-06-07 "));
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//
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// int iYear = date.get(Calendar.YEAR);
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// int iMonth = date.get(Calendar.MONTH) + 1;
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// int iDay = date.get(Calendar.DAY_OF_MONTH);
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// System.out.println(String.valueOf(iYear) + "=="
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// + String.valueOf(iMonth) + "==" + String.valueOf(iDay));
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//
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// System.out.println(getDateYear("2004-06-07")+getDateMonth("2004-06-07")+getDateDay("2004-06-07"));
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//
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// }
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/**
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* 根据日期，如果是空则返回当前日期值
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*/
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public static String getNullDate(String date) {
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String tempDate = date;
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if (date == null || "".equals(date)) {
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tempDate = getSystemDate(0);
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}
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return tempDate;
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}
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/**
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* compareToDate("2015-09-23","2015-12-10")=-1
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* @param startDate
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* @param endDate
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* @return
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* @throws ParseException
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*/
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public static int compareToDate(String startDate, String endDate) throws ParseException{
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Date sDate = dateFormart.parse(startDate);
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Date eDate = dateFormart.parse(endDate);
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return sDate.compareTo(eDate);
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}
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/**
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* 设定指定日期的天数，若设定后的日期超出指定日期所在月份的最后一天，返回最后一天
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* @param date 日期
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* @param day 天
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* @return 设定后的日期
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* @throws ParseException
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*/
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public static String setDateDay(String date, String day)
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throws ParseException {
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String year = getDateYear(date);
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String month = getDateMonth(date);
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String lastDay = getLastDayOfMonth(year, month);
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if (Integer.parseInt(lastDay) < Integer.parseInt(day)) {
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day = lastDay;
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}
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String newDate = year + "/" + month + "/" + day;
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newDate=dateFormart.format(dateFormart.parse(newDate));
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return newDate;
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}
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/**
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* 设定指定日期的月份，若设定后的日期超出所在月份的最后一天，返回最后一天
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* @param date 日期
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* @param month 月份
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* @return 设定后的日期
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* @throws ParseException
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*/
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public static String setDateMonth(String date, String month)
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throws ParseException {
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String year = getDateYear(date);
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String day = getDateDay(date);
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String lastDay = getLastDayOfMonth(year, month);
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if (Integer.parseInt(lastDay) < Integer.parseInt(day)) {
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day = lastDay;
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}
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String newDate = year + "/" + month + "/" + day;
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newDate=dateFormart.format(dateFormart.parse(newDate));
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return newDate;
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}
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public static int getMonthDiff(String bdate, String edate) {
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try {
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String[] barray = bdate.split("/");
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String[] earray = edate.split("/");
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return (Integer.parseInt(earray[0]) - Integer.parseInt(barray[0])) * 12 + (Integer.parseInt(earray[1]) - Integer.parseInt(barray[1]));
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} catch (Exception e) {
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}
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return 0;
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}
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}
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