JAVA判断当前日期是星期几

方法1：

/**
     * 判断当前日期是星期几<br>
     * <br>
     * @param pTime 需要判断的时间<br>
     * @return dayForWeek 判断结果<br>
     * @Exception 发生异常<br>
     */
 public static int dayForWeek(String pTime) throws Exception {
  format = new SimpleDateFormat("yyyy-MM-dd");
  Calendar c = Calendar.getInstance();
  c.setTime(format.parse(pTime));
  int dayForWeek = 0;
  if(c.get(Calendar.DAY_OF_WEEK) == 1){
   dayForWeek = 7;
  }else{
   dayForWeek = c.get(Calendar.DAY_OF_WEEK) - 1;
  }
  return dayForWeek;
 }
           

方法2：

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

    public static int dayForWeek(String pTime) throws Throwable {  
          
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");  
          
        Date tmpDate = format.parse(pTime);  
          
        Calendar cal = new GregorianCalendar();  
          
        cal.set(tmpDate.getYear(), tmpDate.getMonth(), tmpDate.getDay());  
          
        return cal.get(Calendar.DAY_OF_WEEK);  
    }