节假日(java)判断和配置.docx

import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import .MalformedURLException;import .URL;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Calendar;import java.util.Date;import java.util.List;import org.apache.poi.hssf.usermodel.HSSFCell;import org.apache.poi.hssf.usermodel.HSSFDateUtil;import org.apache.poi.hssf.usermodel.HSSFRow;import org.apache.poi.hssf.usermodel.HSSFSheet;import org.apache.poi.hssf.usermodel.HSSFWorkbook;*日期加一天，说明*DateFormat format=new SimpleDateFormat(yyyy-MM-dd);Calendar calendar=Calendar.getInstance();calendar.setTime(mdefSetting.getDate();calendar.add(Calendar.DAY_OF_MONTH,1); mdefs.setName(format.format(calendar.getTime()+ 至 +mdefSetting2.getDate();说明：以上代码来源于实际项目。 mdefSetting.getDate(); 为 Date型 format.format(calendar.getTime() 便是加 一天后的 时间，也为Date型*日期加一天*public class Festival private final String FILE_NAME = 节假日.xls;private List festival = new ArrayList();/节假日private List workDay = new ArrayList();/工作日public Festival() File excel = this.getExcel(); try FileInputStream fin = new FileInputStream(excel); HSSFWorkbook hssfworkbook = new HSSFWorkbook(fin); HSSFSheet sheet = hssfworkbook.getSheetAt(0); int last = sheet.getLastRowNum(); int index = 1; Date dt = null; while(index0) this.festival.add(dt); /*读取特殊工作日*/ cell = row.getCell(short)1); if(cell!=null) if(HSSFDateUtil.isCellDateFormatted(cell) dt = HSSFDateUtil.getJavaDate(cell.getNumericCellValue(); if(dt!=null&dt.getTime()0) /System.out.println(this.getDate(dt); this.workDay.add(dt); index+; fin.close(); catch (FileNotFoundException e) / TODO Auto-generated catch block e.printStackTrace(); catch (IOException e) / TODO Auto-generated catch block e.printStackTrace(); public File getExcel() File excel = null; try URL url = Festival.class.getResource(/); url = new URL(url,./+FILE_NAME); excel = new File(url.getPath(); return excel; catch (MalformedURLException e) / TODO Auto-generated catch block e.printStackTrace(); return excel;/* 从EXCEL文件中读取节假日* return*/public List getFestival() return this.festival;public List getSpecialWorkDay() return this.workDay;/* 判断一个日期是否日节假日* 法定节假日只判断月份和天，不判断年* param date* return*/public boolean isFestival(Date date) boolean festival = false; Calendar fcal = Calendar.getInstance(); Calendar dcal = Calendar.getInstance(); dcal.setTime(date); List list = this.getFestival(); for(Date dt:list) fcal.setTime(dt); /法定节假日判断 if(fcal.get(Calendar.MONTH)=dcal.get(Calendar.MONTH)& fcal.get(Calendar.DATE)=dcal.get(Calendar.DATE) festival = true; return festival;/* 周六周日判断* param date* return*/public boolean isWeekend(Date date) boolean weekend = false; Calendar cal = Calendar.getInstance(); cal.setTime(date); if(cal.get(Calendar.DAY_OF_WEEK)=Calendar.SATURDAY| cal.get(Calendar.DAY_OF_WEEK)=Calendar.SUNDAY) weekend = true; return weekend;/* 是否是工作日* 法定节假日和周末为非工作日* param date* return*/public boolean isWorkDay(Date date) boolean workday = true; if(this.isFestival(date)|this.isWeekend(date) workday = false; /*特殊工作日判断*/ Calendar cal1 = Calendar.getInstance(); cal1.setTime(date); Calendar cal2 = Calendar.getInstance(); for(Date dt:this.workDay) cal2.setTime(dt); if(cal1.get(Calendar.YEAR)=cal2.get(Calendar.YEAR)& cal1.get(Calendar.MONTH)=cal2.get(Calendar.MONTH)& cal1.get(Calendar.DATE)=cal2.get(Calendar.DATE) ) /年月日相等为特殊工作日 workday = true; return workday;public Date getDate(String str) Date dt = null; SimpleDateFormat df = new SimpleDateFormat(yyyy-MM-dd); try dt = df.parse(str); catch (ParseException e) / TODO Auto-generated catch block e.printStackTrace(); return dt;public String getDate(Date date) String dt = null; SimpleDateFormat df = new SimpleDateFormat(yyyy-MM-dd); dt = df.format(da