package com.stylefeng.guns.modular.system.util;
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import com.stylefeng.guns.core.util.ToolUtil;
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import org.springframework.stereotype.Component;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.*;
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/**
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* 日期处理工具类
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*/
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@Component
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public class DateUtil {
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/**
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* 获取给定日期天的开始时间点或结束时间点
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* @param time 日期
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* @param type 时间点类型start一天的开始时间点，end一天的结束时间点
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* @return
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*/
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public Date getStartOrEndDate(Date time, String type){
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if(ToolUtil.isEmpty(time) || ToolUtil.isEmpty(type)){
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return null;
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}
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int hourOfDay = "start".equals(type) ? 0 : 23;
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int minute = "start".equals(type) ? 0 : 59;
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int second = "start".equals(type) ? 0 : 59;
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int millisecond = "start".equals(type) ? 0 : 999;
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Calendar s = Calendar.getInstance();
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s.setTime(time);
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s.set(s.get(Calendar.YEAR), s.get(Calendar.MONTH), s.get(Calendar.DAY_OF_MONTH), hourOfDay, minute, second);
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s.set(Calendar.MILLISECOND, millisecond);
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return s.getTime();
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}
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/**
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* 获取给定日期天的起始时间和结束时间
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* @param time
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* @return
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*/
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public Map<String, Date> getStartAndEndDate(Date time){
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if(ToolUtil.isEmpty(time)){
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return null;
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}
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Map<String, Date> map = new HashMap<>();
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map.put("startTime", getStartOrEndDate(time, "start"));
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map.put("endTime", getStartOrEndDate(time, "end"));
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return map;
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}
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/**
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* 获取格式化的字符串日期返回日期天的起始时间和结束时间
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* @param time yyyy-MM-dd DD:mm:ss/yyyy-MM-dd
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* @return
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*/
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public Map<String, Date> getStartAndEndDate(String time){
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if(ToolUtil.isEmpty(time)){
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return null;
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}
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int index = time.indexOf(" ");
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String pattern = "yyyy-MM-dd DD:mm:ss";
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if(index == -1){
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pattern = "yyyy-MM-dd";
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}
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SimpleDateFormat sdf = new SimpleDateFormat(pattern);
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Date date = null;
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try {
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date = sdf.parse(time);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return getStartAndEndDate(date);
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}
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/**
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* 获取格式化的字符串区间日期返回区间日期天的起始时间和结束时间
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* @param time yyyy-MM-dd DD:mm:ss - yyyy-MM-dd DD:mm:ss/yyyy-MM-dd - yyyy-MM-dd
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* @param split 区间时间的分隔符
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* @return
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*/
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public List<Date> getStartAndEndDate(String time, String split){
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if(ToolUtil.isEmpty(time) || ToolUtil.isEmpty(split)){
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return null;
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}
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List<Date> list = new ArrayList<>();
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String[] split1 = time.split(split);
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int index = split1[0].indexOf(" ");
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String pattern = "yyyy-MM-dd DD:mm:ss";
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if(index == -1){
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pattern = "yyyy-MM-dd";
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}
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SimpleDateFormat sdf = new SimpleDateFormat(pattern);
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Date date1 = null;
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Date date2 = null;
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try {
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date1 = sdf.parse(split1[0]);
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date2 = sdf.parse(split1[1]);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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list.add(getStartOrEndDate(date1, "start"));
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list.add(getStartOrEndDate(date2, "end"));
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return list;
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}
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/**
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* 获取月初和月末日期
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* @param date
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* @return
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*/
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public Map<String, Date> getMonthStartAndEnd(Date date){
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Calendar s = Calendar.getInstance();
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s.setTime(date);
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s.set(Calendar.DAY_OF_MONTH, 1);
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Calendar e = Calendar.getInstance();
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e.setTime(date);
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e.set(Calendar.DAY_OF_MONTH, e.getActualMaximum(Calendar.DAY_OF_MONTH));
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Date start = this.getStartOrEndDate(s.getTime(), "start");
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Date end = this.getStartOrEndDate(e.getTime(), "end");
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Map<String, Date> map = new HashMap<>();
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map.put("startTime", start);
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map.put("endTime", end);
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return map;
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}
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}
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