public class Job { private String name = ""; private String inTime = ""; private int maybeRunTime = 0; private int waitTime = 0; private int turnoverTime = 0; private int withPoweroverTime = 0; public int getTurnoverTime() { return turnoverTime; } public void setTurnoverTime(int turnoverTime) { this.turnoverTime = turnoverTime; } public int getWithPoweroverTime() { return withPoweroverTime; } public void setWithPoweroverTime(int withPoweroverTime) { this.withPoweroverTime = withPoweroverTime; } public String getInTime() { return inTime; } public void setInTime(String inTime) { this.inTime = inTime; } public int getMaybeRunTime() { return maybeRunTime; } public void setMaybeRunTime(int maybeRunTime) { this.maybeRunTime = maybeRunTime; } public String getName() { return name; } public void setName(String name) { this.name = name; } public int getWaitTime() { return waitTime; } public void setWaitTime(int waitTime) { this.waitTime = waitTime; } }/import java.io.BufferedReader;import java.io.FileReader;import java.util.StringTokenizer;import java.util.Vector;
public class Operating { public static String dealTime(String time, int parMinutes) { StringTokenizer tokenizer = new StringTokenizer(time,":"); String hour = tokenizer.nextToken(); String minute = tokenizer.nextToken(); int intHour = Integer.parseInt(hour); int intMinute = Integer.parseInt(minute); if((intMinute + parMinutes) < 60) { intMinute = intMinute + parMinutes; }else { intHour = (int)(intMinute + parMinutes)/60 + intHour; intMinute = (intMinute + parMinutes)`; } if(intMinute < 10) return intHour+":0"+intMinute; else return intHour+":"+intMinute; } public static boolean compareTime(String time1,String time2) { StringTokenizer tokenizer1 = new StringTokenizer(time1,":"); String hour1 = tokenizer1.nextToken(); String minute1 = tokenizer1.nextToken(); int intHour1 = Integer.parseInt(hour1); int intMinute1 = Integer.parseInt(minute1); StringTokenizer tokenizer2 = new StringTokenizer(time2,":"); String hour2 = tokenizer2.nextToken(); String minute2 = tokenizer2.nextToken(); int intHour2 = Integer.parseInt(hour2); int intMinute2 = Integer.parseInt(minute2); if(intHour1 > intHour2) { return true; }else if (intHour1 == intHour2) { if(intMinute1 > intMinute2) { return true; } } return false; } public static void main(String[] args) throws Exception { int sumOverturn = 0; float sumWithPower = 0; int jobNum = 0; BufferedReader fromFile = new BufferedReader(new FileReader("in.txt")); Vector<Job> jobs = new Vector<Job>(); String jobInLine; while((jobInLine = fromFile.readLine()) !=null) { Job job = new Job(); StringTokenizer strTokenizer = new StringTokenizer(jobInLine); job.setName(strTokenizer.nextToken()); job.setInTime(strTokenizer.nextToken()); job.setMaybeRunTime(Integer.parseInt(strTokenizer.nextToken())); jobs.addElement(job); } System.out.println("作业名称 " + "/t进入 " + "/t开始" + "/t结束 " + "/t周转时间 " + "/t带权周转时间 "); while(!jobs.isEmpty()) { Job toDealJob = new Job(); int k = 0; for (int i = 0,j = 0;i < jobs.size();) { i = 0; j = 0; k = 0; toDealJob = jobs.elementAt(i); for (j = i + 1;j < jobs.size(); j++) { String jInTime = jobs.elementAt(j).getInTime(); String nowTime = Operating.dealTime(toDealJob.getInTime(),toDealJob.getWaitTime()); if((jobs.elementAt(j).getMaybeRunTime() < toDealJob.getMaybeRunTime()) && (Operating.compareTime(jInTime, nowTime))) { toDealJob = jobs.elementAt(j); k = j; } } String startTime = Operating.dealTime(toDealJob.getInTime(), toDealJob.getWaitTime()); toDealJob = jobs.elementAt(k); int overturn = toDealJob.getWaitTime() + toDealJob.getMaybeRunTime(); float withPower = overturn/toDealJob.getMaybeRunTime(); String endTime = Operating.dealTime(toDealJob.getInTime(), overturn); System.out.println(toDealJob.getName() + "/t" //作业名称 + toDealJob.getInTime()+ "/t" //进入 + startTime + "/t" //开始 + endTime + "/t"//结束 + overturn + "/t" + withPower); sumOverturn = sumOverturn + overturn; sumWithPower = sumWithPower + withPower; jobNum++; for(int t = 0;t < jobs.size();t++) { jobs.elementAt(t).setWaitTime(jobs.elementAt(t).getWaitTime() + toDealJob.getMaybeRunTime()); } jobs.remove(k); } } System.out.println(); float averageOverturn = sumOverturn/jobNum; float averageWithPower = sumWithPower/jobNum; System.out.println("平均周转时间为 ：" + averageOverturn + " 分钟"); System.out.println("平均带权周转时间为 ：" + averageWithPower + " 分钟"); }}/in.txt的内容:Job1 12:00 30Job2 12:30 40Job3 12:40 30Job4 13:00 30Job5 13:50 50Job6 14:00 30Job7 14:40 30Job8 15:01 30
