package com.whyc.util;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.JsonSyntaxException;
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import org.apache.commons.codec.digest.DigestUtils;
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import org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import sun.misc.BASE64Decoder;
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import sun.misc.BASE64Encoder;
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import org.apache.commons.io.FilenameUtils;
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import javax.servlet.ServletContext;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import java.io.*;
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import java.lang.reflect.Type;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.time.LocalDate;
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import java.time.YearMonth;
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import java.time.format.DateTimeFormatter;
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import java.util.*;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import com.whyc.pojo.db_user.User;
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public class ActionUtil {
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public static String time_yyyyMMddHHmmss = "yyyy-MM-dd HH:mm:ss";
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public static String time_yyyyMMdd = "yyyy-MM-dd";
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public static String time_yyyyMM = "yyyy-MM";
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public static String time_yyyy_MM = "yyyy_MM";
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public static String time_yyyyMMdd_HH_mm_ss = "yyyy-MM-dd_HH_mm_ss";
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public static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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public static SimpleDateFormat sdfwithOutday = new SimpleDateFormat("yyyy_MM");
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public static SimpleDateFormat sdfwithday = new SimpleDateFormat("yyyy-MM-dd");
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public static SimpleDateFormat sdfwithtime = new SimpleDateFormat("HH:mm:ss");
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public static SimpleDateFormat sdfwithtime_yyyyMMdd_HH_mm_ss = new SimpleDateFormat(time_yyyyMMdd_HH_mm_ss);
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public static Object objeNull = null;
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/*
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* 获取HttpServletRequest
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*/
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public static HttpServletRequest getRequest() {
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ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
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HttpServletRequest request = requestAttributes.getRequest();
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return request;
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}
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/*
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* 获取HttpServletResponse
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*/
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public static HttpServletResponse getResponse(){
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ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
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HttpServletResponse response = requestAttributes.getResponse();
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return response;
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}
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/*
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* 获取HttpSession
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*/
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public static HttpSession getSession(){
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return getRequest().getSession();
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}
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/**
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*
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* @return 返回application
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*/
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public static ServletContext getApplication(){
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return getSession().getServletContext();
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}
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//获取application中互斥上传的标志位flag
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public static int getFlag(){
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ServletContext app=getApplication();
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int flag=(Integer) app.getAttribute("flag");
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return flag;
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}
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////给application中互斥上传的标志位flag设置值
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public static void setFlag(int flag){
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ServletContext app=getApplication();
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app.setAttribute("flag", flag);
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}
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/*
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* 获取将对象转换成json格式
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*/
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public static String tojson(Object obj){
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Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd HH:mm:ss").create();
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return gson.toJson(obj);
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}
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public static String chageDateToString(Date time,String type){
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String msg = "";
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SimpleDateFormat sdf = new SimpleDateFormat(type);
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msg = sdf.format(time);
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return msg;
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}
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/**
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*
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* @param datetype 需要解析的日期的格式如："yyyy-MM-dd HH:mm:ss"
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* @return 得到对应的gson对象
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*/
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public static Gson getGson(String datetype){
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return new GsonBuilder().setDateFormat(datetype).create();
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}
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/**
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* 获取默认的gson对象
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* @return
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*/
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public static Gson getGson(){
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return new Gson();
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}
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public static <T> T getObject(String jsonstring,Type listtype){
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Gson gson=new Gson();
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T t=null;
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try {
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t=gson.fromJson(jsonstring, listtype);
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} catch (JsonSyntaxException e) {
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e.printStackTrace();
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}
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return t;
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}
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/**
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*
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* @return 获取输出流
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*/
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public static PrintWriter getOut(){
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PrintWriter out =null;
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try {
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out=getResponse().getWriter();
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} catch (IOException e) {
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e.printStackTrace();
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}
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return out;
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}
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/**
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*
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* @param time java.util包中的时间
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* @return java.sql时间
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*/
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public static Date getSimpDate(Date time){
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//System.out.println(time);
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return new java.sql.Date(time.getTime());
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}
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//使用MD5加密
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public static Object EncryptionMD5(Object obj){
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String md5=null;
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if(obj!=null && obj.toString().length()>0){
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md5= DigestUtils.md5Hex(obj.toString());
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}
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return md5;
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}
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//使用Base64加密
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public static Object EncryptionBase64(Object obj){
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String base64=null;
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if(obj!=null && obj.toString().length()>0){
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base64=new BASE64Encoder().encode(obj.toString().getBytes());
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base64 = base64.replaceAll("[\\s*\t\n\r]", ""); //替换加密后不换行
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}
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return base64;
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}
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//使用Base64解密
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public static Object DecryptionBase64(Object obj){
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String base64=null;
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if(obj!=null && obj.toString().length()>0){
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try {
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base64 = new String(new BASE64Decoder().decodeBuffer(obj.toString()));
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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return base64;
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}
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//获取指定年月的天数
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public static int getDaysByYearMonth(int year, int month) {
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Calendar a = Calendar.getInstance();
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a.set(Calendar.YEAR, year);
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a.set(Calendar.MONTH, month - 1);
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a.set(Calendar.DATE, 1);
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a.roll(Calendar.DATE, -1);
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int maxDate = a.get(Calendar.DATE);
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return maxDate;
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}
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/**
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*
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* @return 获取当前session 中的用户对象
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*/
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public static User getUser(){
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HttpSession session =getSession();
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Object obj=session.getAttribute("user");
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User userInf = new User();
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if(obj==null){
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userInf.setName("hw");
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userInf.setId(1005);
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}else{
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userInf=(User) session.getAttribute("user");
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}
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return userInf;
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}
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//获取某年某月的起始和结束时间
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//需要注意的是：月份是从0开始的，比如说如果输入5的话，实际上显示的是4月份的最后一天，千万不要搞错了哦
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public static String getLastDayOfMonth(int year, int month) {
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Calendar cal = Calendar.getInstance();
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cal.set(Calendar.YEAR, year);
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cal.set(Calendar.MONTH, month);
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cal.set(Calendar.DAY_OF_MONTH,cal.getActualMaximum(Calendar.DATE));
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return new SimpleDateFormat( "yyyy-MM-dd ").format(cal.getTime())+"23:59:59";
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}
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public static String getFirstDayOfMonth(int year, int month) {
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Calendar cal = Calendar.getInstance();
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cal.set(Calendar.YEAR, year);
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cal.set(Calendar.MONTH, month);
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cal.set(Calendar.DAY_OF_MONTH,cal.getMinimum(Calendar.DATE));
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return new SimpleDateFormat( "yyyy-MM-dd ").format(cal.getTime())+"00:00:00";
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}
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//获取当前时间的年份
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public static int getNowYear(){
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Calendar ca = Calendar.getInstance();//得到一个Calendar的实例
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ca.setTime(new Date()); //设置时间为当前时间
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int year = ca.get(Calendar.YEAR);
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//System.out.println(month);
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return year;
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}
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//获取当前时间的月份
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public static int getNowMonth(){
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Calendar ca = Calendar.getInstance();//得到一个Calendar的实例
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ca.setTime(new Date()); //设置时间为当前时间
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int month = ca.get(Calendar.MONTH) + 1;
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//System.out.println(month);
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return month;
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}
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//获取当前时间的日期
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public static int getNowday(){
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Calendar ca = Calendar.getInstance();//得到一个Calendar的实例
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ca.setTime(new Date()); //设置时间为当前时间
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int day = ca.get(Calendar.DAY_OF_MONTH);
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//System.out.println(month);
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return day;
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}
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//当前时间加上x小时
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public static String getDateAdd(int minute){
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Date date = new Date();
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Calendar c = Calendar.getInstance();
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c.setTime(date);
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c.add(Calendar.MINUTE, minute);
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return new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss").format(c.getTime());
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}
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/**
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* 输入验证:路径遍历,防止恶意符号影响文件体系
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* 过滤掉特殊字符 ”/\" : | * ? < >”
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*/
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public static String filterFileName(String fileName){
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Pattern pattern = Pattern.compile("[\\s\\\\/:\\*\\?\\\"<>\\|]");
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Matcher matcher = pattern.matcher(fileName);
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fileName = matcher.replaceAll("");
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return FilenameUtils.getName(fileName);
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}
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//获取时间的年份
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public static int getDateYear(Date date){
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Calendar ca = Calendar.getInstance();//得到一个Calendar的实例
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ca.setTime(date); //设置时间为当前时间
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int year = ca.get(Calendar.YEAR);
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//System.out.println(month);
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return year;
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}
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//获取时间的月份
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public static int getDateMonth(Date date){
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Calendar ca = Calendar.getInstance();//得到一个Calendar的实例
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ca.setTime(date); //设置时间为当前时间
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int month = ca.get(Calendar.MONTH) + 1;
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//System.out.println(month);
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return month;
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}
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//获取时间的日期
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public static int getDateday(Date date){
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Calendar ca = Calendar.getInstance();//得到一个Calendar的实例
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ca.setTime(date); //设置时间为当前时间
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int day = ca.get(Calendar.DAY_OF_MONTH);
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//System.out.println(month);
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return day;
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}
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//当前时间加上x小时
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public static Date getDateAdd(Date date,int minute){
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Calendar c = Calendar.getInstance();
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c.setTime(date);
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c.add(Calendar.MINUTE, minute);
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return c.getTime();
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}
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//给定时间判断与当前时间相比是否为老电池(numYear为时间期限几年)
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public static int judgeBatt(Date inUseDate,Date date,int numYear){
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int judge=0;
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inUseDate.setYear(ActionUtil.getDateYear(inUseDate)+numYear-1900);
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//System.out.println("inUseDate: "+inUseDate);
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if(inUseDate.after(date)){
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judge=1;
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}else{
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judge=0;
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}
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return judge;
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}
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//获取某年某月某日内的时间<date为执行时间的时分秒设置为提醒时间段的时分秒>
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public static Date getWorkDay(Date date,Date noticeTime) {
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Calendar cal = Calendar.getInstance();
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cal.setTime(date); //设置时间为执行日期
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int year = cal.get(Calendar.YEAR);//年
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int month = cal.get(Calendar.MONTH);//月
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int day = cal.get(Calendar.DAY_OF_MONTH);//日
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cal.setTime(noticeTime);//设置时间为提醒时间段
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/*int hour=cal.get(Calendar.HOUR_OF_DAY);//时
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int minute=cal.get(Calendar.MINUTE);//分
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int second=cal.get(Calendar.SECOND);//秒*/
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cal.set(Calendar.YEAR, year);
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cal.set(Calendar.MONTH, month);
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cal.set(Calendar.DAY_OF_MONTH,day);
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return cal.getTime();
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}
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//获取某年某月某日起始时间/结束时间
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public static String getDayTime(int year, int month,int day,int type) {
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Calendar cal = Calendar.getInstance();
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cal.set(Calendar.YEAR, year);
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cal.set(Calendar.MONTH, month);
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cal.set(Calendar.DAY_OF_MONTH,day);
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if(type==1){
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return new SimpleDateFormat( "yyyy-MM-dd ").format(cal.getTime())+"00:00:00";
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} else if(type==2){
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return new SimpleDateFormat( "yyyy-MM-dd ").format(cal.getTime())+"09:00:00";
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}else if(type==3){
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return new SimpleDateFormat( "yyyy-MM-dd ").format(cal.getTime())+"17:00:00";
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}else if(type==4){
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return new SimpleDateFormat( "yyyy-MM-dd ").format(cal.getTime())+"23:59:59";
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}
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return new SimpleDateFormat( "yyyy-MM-dd ").format(cal.getTime());
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}
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//计算电池使用了多少个月
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public static int battInuseMonth(Date inUseDate){
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int useDay=0;
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Date nowd=new Date();//当前时间
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int inuseY=ActionUtil.getDateYear(inUseDate);
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int inuseM=ActionUtil.getDateMonth(inUseDate);
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int nowY=ActionUtil.getDateYear(nowd);
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int nowM=ActionUtil.getDateMonth(nowd);
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if(inuseY==nowY){
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useDay=nowM-inuseM;
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}else{
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useDay=(nowY-inuseY)*12+nowM-inuseM;
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}
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return useDay;
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}
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//计算日期之间相差的天数
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public static int daysBetween(Date smdate,Date bdate)
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{
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SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
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try {
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smdate=sdf.parse(sdf.format(smdate));
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bdate=sdf.parse(sdf.format(bdate));
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} catch (ParseException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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Calendar cal = Calendar.getInstance();
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cal.setTime(smdate);
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long time1 = cal.getTimeInMillis();
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cal.setTime(bdate);
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long time2 = cal.getTimeInMillis();
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long between_days=(time2-time1)/(1000*3600*24);
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return Math.abs(Integer.parseInt(String.valueOf(between_days)));
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}
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//计算日期之间相差的小时
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public static int HoursBetween(Date smdate,Date bdate)
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{
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SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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try {
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smdate=sdf.parse(sdf.format(smdate));
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bdate=sdf.parse(sdf.format(bdate));
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} catch (ParseException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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Calendar cal = Calendar.getInstance();
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cal.setTime(smdate);
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long time1 = cal.getTimeInMillis();
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cal.setTime(bdate);
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long time2 = cal.getTimeInMillis();
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long between_hours=(time2-time1)/(1000*3600);
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//System.out.println("between_hours:"+between_hours);
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return (int) Math.abs(between_hours);
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}
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//比较两个时间的大小
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public static int compareDate(Date d1,Date d2){
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if (d1.getTime() > d2.getTime()) {
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return 1;
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} else if (d1.getTime() < d2.getTime()) {
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return -1;
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} else {//相等
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return 0;
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}
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}
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//计算当前月的上一个季度年_月份集合
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public static List<String> getLastQuarterYearMonths() {
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LocalDate currentDate = LocalDate.now();
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int currentYear = currentDate.getYear();
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int currentMonth = currentDate.getMonthValue();
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int quarter = (currentMonth - 1) / 3 + 1; // 计算当前季度
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int lastQuarter = quarter - 1; // 上一季度
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if (lastQuarter == 0) {
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lastQuarter = 4; // 如果当前是第一季度，则上一季度为第四季度
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}
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List<String> yearMonths = new ArrayList<>();
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for (int i = 1; i <= 3; i++) {
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int month = (lastQuarter - 1) * 3 + i;
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int year = currentYear;
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// 如果上一季度是第四季度，则年份需要减一年
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if (lastQuarter == 4) {
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year = currentYear - 1;
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}
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yearMonths.add(year + "_" + (month < 10 ? "0" + month : month)); // 保证月份为两位格式
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}
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return yearMonths;
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}
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/**
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* @Description: 根据图片地址转换为base64编码字符串
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* @Author:
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* @CreateTime:
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* @return
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*/
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public static String getImageStr(String imgFile) {
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InputStream inputStream = null;
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byte[] data = null;
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try {
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inputStream = new FileInputStream(imgFile);
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data = new byte[inputStream.available()];
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inputStream.read(data);
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} catch (IOException e) {
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e.printStackTrace();
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}finally {
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if(inputStream!=null){
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try {
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inputStream.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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// 加密
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BASE64Encoder encoder = new BASE64Encoder();
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return encoder.encode(data);
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}
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/**
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* @Description: 将base64编码字符串转换为图片
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* @Author:
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* @CreateTime:
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* @param imgStr base64编码字符串
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* @param path 图片路径-具体到文件
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* @return
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*/
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public static boolean generateImage(String imgStr, String path) {
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boolean bl=false;
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OutputStream out=null;
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if (imgStr == null) {
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bl=false;
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}
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BASE64Decoder decoder = new BASE64Decoder();
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try {
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// 解密
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byte[] b = decoder.decodeBuffer(imgStr);
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// 处理数据
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for (int i = 0; i < b.length; ++i) {
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if (b[i] < 0) {
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b[i] += 256;
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}
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}
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out = new FileOutputStream(path);
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out.write(b);
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out.flush();
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bl=true;
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} catch (Exception e) {
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bl=false;
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}finally {
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if(out!=null){
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try {
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out.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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return bl;
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}
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/**
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* 将输入流中的数据读到字节数组中
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* @param is
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* @return
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*/
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public static byte[] IStoByteArr(InputStream is){
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byte[] b = null;
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try {
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b = new byte[is.available()];
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is.read(b);
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} catch (IOException e) {
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e.printStackTrace();
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} finally{
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if(is != null){
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try {
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is.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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return b;
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}
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/**
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* 创建指定的文件文件，若不存在则先创建指定的文件夹再创建指定的文件
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* @param filePath
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*/
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public static void createFilefolderIFNotExist(String filePath){
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File f = new File(filePath);
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if(!f.exists()){
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if(!f.getParentFile().exists()){
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f.getParentFile().mkdirs();
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}
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}
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}
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/**
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* 秒转换小时-分-秒analytics/util/DateUtil.java
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*
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* @param seconds 秒为单位 比如..600秒
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* @return 比如...2小时3分钟52秒
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*/
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public static String secToTime(int seconds) {
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int hour = seconds / 3600;
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int minute = (seconds - hour * 3600) / 60;
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int second = (seconds - hour * 3600 - minute * 60);
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StringBuffer sb = new StringBuffer();
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if (hour > 0) {
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if(hour<10){
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sb.append("0"+hour + ":");
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}else{
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sb.append(hour + ":");
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}
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}else{
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sb.append("00"+ ":");
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}
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if (minute > 0) {
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if(minute<10){
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sb.append("0"+minute + ":");
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}else{
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sb.append(minute + ":");
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}
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}else{
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sb.append("00" + ":");
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}
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if (second > 0) {
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if(second<10){
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sb.append("0"+second);
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}else{
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sb.append(second);
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}
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}else{
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sb.append("00");
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}
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return sb.toString();
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}
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/**
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* 使用timestamp+盐方式,进行签名验证
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* 当前时间戳为13位数
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*/
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public static boolean checkSignMD5(String time,String randomStr,String sign){
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String usefulNum = randomStr;
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//加盐方式,根据末尾的值进行不同的加密规则
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char lastChar = time.charAt(12);
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int lastNum = Integer.parseInt(String.valueOf(lastChar));
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switch (lastNum){
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//在第一位加字符串 rd@c3doed
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case 0: usefulNum += time.replace(String.valueOf(lastChar),"rd@c3dozero");break;
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case 1: usefulNum += time.replace(String.valueOf(lastChar),"rd@c3doenoe");break;
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case 2: usefulNum += time.replace(String.valueOf(lastChar),"rd@c3doktwo");break;
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case 3: usefulNum += time.replace(String.valueOf(lastChar),"rd@c3dolthree");break;
|
case 4: usefulNum += time.replace(String.valueOf(lastChar),"rd@c3doexfour");break;
|
case 5: usefulNum += time.replace(String.valueOf(lastChar),"rd@c3doedefive");break;
|
case 6: usefulNum += time.replace(String.valueOf(lastChar),"rd@c3doedhsix");break;
|
case 7: usefulNum += time.replace(String.valueOf(lastChar),"rd@c3doedtseven");break;
|
case 8: usefulNum += time.replace(String.valueOf(lastChar),"rd@c3doedbeight");break;
|
case 9: usefulNum += time.replace(String.valueOf(lastChar),"rd@c3doedrnine");break;
|
}
|
//MD5加密后
|
String signNow = (String) EncryptionMD5(usefulNum);
|
StringBuilder sb = new StringBuilder();
|
for (int i = 0; i < 10; i++) {
|
sb.append(signNow.charAt(i * 2));
|
}
|
String signResult = sb.append(signNow).toString();
|
return sign.equals(signResult);
|
}
|
|
//获取当前系统的语言环境
|
public static String getLang() {
|
Locale locale = Locale.getDefault();//对Locale类实例化定义
|
String lang = locale.getLanguage();
|
//String lang = "zh";
|
String str = (String) ActionUtil.getSession().getAttribute("lang");
|
if (str != null) {
|
lang = str;
|
}
|
return lang;
|
}
|
//两时间之间的年月集合
|
public static List<String> getDateListBetweenDates(Date startTime, Date endTime) {
|
// 指定开始日期和结束日期
|
LocalDate startDate = LocalDate.of(startTime.getYear() + 1900, startTime.getMonth() + 1, startTime.getDay()); // 示例起始日期
|
LocalDate endDate = LocalDate.of(endTime.getYear() + 1900, endTime.getMonth() + 1, endTime.getDay()); // 示例结束日期
|
|
List<String> dateList = new ArrayList<>();
|
LocalDate currentDate = startDate;
|
DateTimeFormatter formatter = DateTimeFormatter.ofPattern(ActionUtil.time_yyyy_MM);
|
while (!currentDate.isAfter(endDate)) {
|
String formattedDate = currentDate.format(formatter);
|
dateList.add(formattedDate);
|
currentDate = currentDate.plusMonths(1);
|
}
|
return dateList;
|
}
|
// 匹配 "_" 后跟一个字母（小写或大写）
|
public static String toCamelCase(String input) {
|
// 匹配 "_" 后跟一个字母（小写或大写）
|
Pattern pattern = Pattern.compile("_(\\w)");
|
Matcher matcher = pattern.matcher(input);
|
StringBuffer result = new StringBuffer();
|
|
while (matcher.find()) {
|
// 将匹配到的字母转为大写，并替换掉前面的下划线
|
matcher.appendReplacement(result, matcher.group(1).toUpperCase());
|
}
|
matcher.appendTail(result);
|
|
return result.toString();
|
}
|
|
public static void main(String[] args) throws ParseException {
|
/*List<String> dateList =getDateListBetweenDates(ActionUtil.sdf.parse("2025-01-01 00:00:00"),new Date());
|
for (String date : dateList) {
|
System.out.println(date);
|
}*/
|
//System.out.println(toCamelCase("user_name_and_age"));
|
Date time1=getDateAdd(new Date(),-10);
|
System.out.println(ActionUtil.sdf.format(time1));
|
}
|
}
|
