本文實(shí)例為大家分享了java計(jì)算工作時(shí)間的具體代碼，不包括節(jié)假日、雙休日，供大家參考，具體內(nèi)容如下
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package common.util; import java.text.dateformat; import java.text.parseexception; import java.text.simpledateformat; import java.util.arraylist; import java.util.calendar; import java.util.date; import java.util.linkedlist; import java.util.list; public class calculatehours { simpledateformat format = new simpledateformat( "yyyy-mm-dd hh:mm:ss"); //這里的格式可以自己設(shè)置 //設(shè)置上班時(shí)間：該處時(shí)間可以根據(jù)實(shí)際情況進(jìn)行調(diào)整 int abh = 9;//上午上班時(shí)間,小時(shí) int abm = 00;//上午上班時(shí)間,分鐘 int aeh = 12;//上午下班時(shí)間，小時(shí) int aem = 0;//上午下班時(shí)間，分鐘 int pbh = 13;//下午上班時(shí)間，小時(shí) int pbm = 00;//下午上班時(shí)間，分鐘 int peh = 18;//下午下班時(shí)間，小時(shí) int pem = 0;//下午下班時(shí)間，分鐘 float h1 = abh+(float)abm/60; float h2 = aeh+(float)aem/60; float h3 = pbh+(float)pbm/60; float h4 = peh+(float)pem/60; float hoursperday = h2-h1+(h4-h3);//每天上班小時(shí)數(shù) int daysperweek = 5;//每周工作天數(shù) long milsecperday = 1000*60*60*24;//每天的毫秒數(shù) float hoursperweek = hoursperday*daysperweek;//每星期小時(shí)數(shù) public float calculatehours(string begintime, string endtime){ //對(duì)輸入的字符串形式的時(shí)間進(jìn)行轉(zhuǎn)換 date t1 = stringtodate(begintime);//真實(shí)開始時(shí)間 date t2 = stringtodate(endtime);//真實(shí)結(jié)束時(shí)間 //對(duì)時(shí)間進(jìn)行預(yù)處理 t1 = processbegintime(t1); t2 = processendtime(t2); //若開始時(shí)間晚于結(jié)束時(shí)間，返回0 if(t1.gettime()>t2.gettime()){ return 0; } //開始時(shí)間到結(jié)束時(shí)間的完整星期數(shù) int weekcount = (int) ((t2.gettime()-t1.gettime())/(milsecperday*7)); float totalhours = 0; totalhours += weekcount * hoursperweek; //調(diào)整結(jié)束時(shí)間，使開始時(shí)間和結(jié)束時(shí)間在一個(gè)星期的周期之內(nèi) t2.settime(t2.gettime()-weekcount*7*milsecperday); int daycounts = 0;//記錄開始時(shí)間和結(jié)束時(shí)間之間工作日天數(shù) //調(diào)整開始時(shí)間，使得開始時(shí)間和結(jié)束時(shí)間在同一天，或者相鄰的工作日內(nèi)。 while(t1.gettime()<=t2.gettime()){ date temp = new date(t1.gettime()+milsecperday); temp = processbegintime(temp); temp.sethours(t1.gethours()); temp.setminutes(t1.getminutes()); if(temp.gettime()>t2.gettime()){ break; }else{ t1 = temp; daycounts++; } } totalhours += daycounts * hoursperday; float hh1 = t1.gethours() + (float)t1.getminutes()/60; float hh2 = t2.gethours() + (float)t2.getminutes()/60; //處理開始結(jié)束是同一天的情況 if(t1.getday()==t2.getday()){ float tt = 0; tt = hh2 - hh1; if(hh1>=h1&&hh1<=h2&&hh2>=h3){ tt = tt - (h3-h2); } totalhours += tt; }else{ //處理開始結(jié)束不是同一天的情況 float tt1 = h4 - hh1; float tt2 = hh2 - h1; if(hh1<=h2){ tt1 = tt1 - (h3-h2); } if(hh2>=h3){ tt2 = tt2 - (h3-h2); } totalhours += (tt1 + tt2); } return totalhours; } /** * 格式化輸出時(shí)間： yyyy-mm-dd hh:mm:ss 星期x * @param t * @return */ private string printdate(date t) { string str; string xingqi = null; switch (t.getday()) { case 0: xingqi = "星期天"; break; case 1: xingqi = "星期一"; break; case 2: xingqi = "星期二"; break; case 3: xingqi = "星期三"; break; case 4: xingqi = "星期四"; break; case 5: xingqi = "星期五"; break; case 6: xingqi = "星期六"; break; default: break; } str = format.format(t)+" "+xingqi; return str; } /** * 對(duì)結(jié)束時(shí)間進(jìn)行預(yù)處理，使其處于工作日內(nèi)的工作時(shí)間段內(nèi) * @param t * @return */ private date processendtime(date t) { float h = t.gethours() + (float)t.getminutes()/60; //若結(jié)束時(shí)間晚于下午下班時(shí)間，將其設(shè)置為下午下班時(shí)間 if(h>=h4){ t.sethours(peh); t.setminutes(pem); }else { //若結(jié)束時(shí)間介于中午休息時(shí)間，那么設(shè)置為上午下班時(shí)間 if(h>=h2&&h<=h3){ t.sethours(aeh); t.setminutes(aem); }else{ //若結(jié)束時(shí)間早于上午上班時(shí)間，日期向前推一天，并將時(shí)間設(shè)置為下午下班時(shí)間 if(t.gethours()<=h1){ t.settime(t.gettime()-milsecperday); t.sethours(peh); t.setminutes(pem); } } } //若結(jié)束時(shí)間是周末，那么將結(jié)束時(shí)間向前推移到最近的工作日的下午下班時(shí)間 if(t.getday()==0){ t.settime(t.gettime()-milsecperday*(t.getday()==6?1:2)); t.sethours(peh); t.setminutes(pem); } if(t.getday()==6){ t.settime(t.gettime()-milsecperday*(t.getday()==6?1:2)); t.sethours(peh); t.setminutes(pem); } return t; } /** * 對(duì)開始時(shí)間進(jìn)行預(yù)處理 * @param t1 * @return */ private date processbegintime(date t) { float h = t.gethours() + (float)t.getminutes()/60; //若開始時(shí)間晚于下午下班時(shí)間，將開始時(shí)間向后推一天 if(h>=h4){ t.settime(t.gettime()+milsecperday); t.sethours(abh); t.setminutes(abm); }else { //若開始時(shí)間介于中午休息時(shí)間，那么設(shè)置為下午上班時(shí)間 if(h>=h2&&h<=h3){ t.sethours(pbh); t.setminutes(pbm); }else{ //若開始時(shí)間早于上午上班時(shí)間，將hour設(shè)置為上午上班時(shí)間 if(t.gethours()<=h1){ t.sethours(abh); t.setminutes(abm); } } } //若開始時(shí)間是周末，那么將開始時(shí)間向后推移到最近的工作日的上午上班時(shí)間 if(t.getday()==0){ t.settime(t.gettime()+milsecperday*(t.getday()==6?2:1)); t.sethours(abh); t.setminutes(abm); }if(t.getday()==6){ t.settime(t.gettime()+milsecperday*(t.getday()==6?2:1)); t.sethours(abh); t.setminutes(abm); } return t; } /** * 將字符串形式的時(shí)間轉(zhuǎn)換成date形式的時(shí)間 * @param time * @return */ private date stringtodate(string time){ try { return format.parse(time); } catch (parseexception e) { e.printstacktrace(); return null; } } /** * 去除周末節(jié)假日工作小時(shí) * @param begintime * @param endtime * @return * @throws parseexception */ public static float calculatehour(string begintime,string endtime) throws parseexception{ calculatehours ch = new calculatehours(); float a=ch.calculatehours(begintime, endtime); calendar startday = calendar.getinstance(); calendar endday = calendar.getinstance(); startday.settime(formatter.parse(begintime)); endday.settime(formatter.parse(endtime)); string[] workday=printday(startday, endday); string[] holiday = new string[]{"01-01","01-02","01-03","05-01","05-02","05-03","10-01","10-02", "10-03","10-04","10-05","10-06","02-08","02-09","02-10"}; calendar now = calendar.getinstance(); int year=now.get(calendar.year); //獲取當(dāng)前年份 list<string> list = new arraylist<string>(); for (string string : holiday) { string=year+"-"+string; list.add(string); } string[] arr = list.toarray(new string[0]); int holidays = arrcontrast(workday, arr); int holidayhous=holidays*8; float b = (float)(math.round(a*10))/10; float workhours=b-holidayhous; return workhours; } public static void main(string[] args) throws parseexception { string begintime = "2018-6-1 9:00:00"; string endtime = "2018-6-4 10:10:00"; calculatehours ch = new calculatehours(); float b=ch.calculatehours(begintime, endtime); system.out.println(b); float a=calculatehours.calculatehour(begintime, endtime); system.out.println(a); } /** * 去除數(shù)組中相同日期 * @param arr1 * @param arr2 * @return */ private static int arrcontrast(string[] arr1, string[] arr2){ int count=0; list<string> list = new linkedlist<string>(); for (string str : arr1) { //處理第一個(gè)數(shù)組,list里面的值為1,2,3,4 if (!list.contains(str)) { list.add(str); } } for (string str : arr2) { //如果第二個(gè)數(shù)組存在和第一個(gè)數(shù)組相同的值，就刪除 if(list.contains(str)){ list.remove(str); ++count; } } return count; } private static final dateformat formatter = new simpledateformat("yyyy-mm-dd"); private static string[] printday(calendar startday, calendar endday) { list<string> list = new arraylist<string>(); // 給出的日期開始日比終了日大則不執(zhí)行打印 if (startday.compareto(endday) >= 0) { return new string[]{}; } // 現(xiàn)在打印中的日期 calendar currentprintday = startday; while (true) { // 日期加一 currentprintday.add(calendar.date, 1); // 日期加一后判斷是否達(dá)到終了日，達(dá)到則終止打印 if (currentprintday.compareto(endday) == 0) { break; } list.add(formatter.format(currentprintday.gettime())); } string[] arr = list.toarray(new string[0]); return arr; } } |
main方法中的執(zhí)行結(jié)果為：
代碼中都有注釋，可自行根據(jù)需要進(jìn)行調(diào)節(jié)。
以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持服務(wù)器之家。
原文鏈接：https://blog.csdn.net/apbbbbb/article/details/80570053
