路过的大侠请来看看 各位,怎样才能用Calendar输入一个完整的日历亚?或者怎样才能用这个类,获得指定月份的第一天是星期几? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 Calendar c = Calendar.getInstance(); import java.util.Calendar;class GergorianCalendar{ Calendar canObj; GergorianCalendar() { canObj=Calendar.getInstance(); } void generate() { System.out.println("显示日历"); System.out.println("\t\t\t"+canObj.get(Calendar.YEAR)+" 年 "+(canObj.get(Calendar.MONTH)+1)+" 月"); System.out.println("\n\t日\t一\t二\t三\t四\t五\t六"); // //canObj.set(canObj.YEAR,year); //canObj.set(canObj.MONTH,month-1); canObj.set(canObj.DATE,1); // //int [] monthArray={1,2,3,4,5,6,7,8,9,10,11,12}; //int [] maxDayOFMonthArray={28,29,30,31}; int maxDayOfMonth; switch(canObj.get(Calendar.MONTH)+1) { case 2: { maxDayOfMonth=(28+this.isLeapYear(canObj.get(Calendar.YEAR))); break; } case 4: case 6: case 9: case 11: { maxDayOfMonth=30; break; } default: { maxDayOfMonth=31; } } System.out.print("\t"); for(int i=1;i<canObj.get(canObj.DAY_OF_WEEK);i++) { System.out.print("\t"); } for(int i=1;i<=maxDayOfMonth;i++) { if(canObj.get(canObj.DAY_OF_WEEK)==7) { System.out.print(canObj.get(canObj.DATE)+"\n\t"); } else { System.out.print(canObj.get(canObj.DATE)+"\t"); } canObj.set(canObj.DATE,i+1); } } void generate(int month,int year) { System.out.println("显示日历"); System.out.println("\t\t\t"+year+" 年 "+month+" 月"); System.out.println("\n\t日\t一\t二\t三\t四\t五\t六"); // canObj.set(canObj.YEAR,year); canObj.set(canObj.MONTH,month-1); canObj.set(canObj.DATE,1); // //int [] monthArray={1,2,3,4,5,6,7,8,9,10,11,12}; //int [] maxDayOFMonthArray={28,29,30,31}; /*int maxDayOfMonth; switch(month) { case 2: { maxDayOfMonth=(28+this.isLeapYear(year)); break; } case 4: case 6: case 9: case 11: { maxDayOfMonth=30; break; } default: { maxDayOfMonth=31; } }*/ System.out.print("\t"); for(int i=1;i<canObj.get(canObj.DAY_OF_WEEK);i++) { System.out.print("\t"); } for(int i=1;i<=31;i++) { if(canObj.get(canObj.DAY_OF_WEEK)==7) { System.out.print(canObj.get(canObj.DATE)+"\n\t"); } else { System.out.print(canObj.get(canObj.DATE)+"\t"); } canObj.set(canObj.DATE,i+1); if(canObj.get(canObj.DATE)==1) { break; } } } static int isLeapYear(int year) { if((year%4==0 && year%100!=0) || (year%400==0)) { return 1; } else { return 0; } }}public class MonthTest{ public static void main(String [] argv) { GergorianCalendar gerObj=new GergorianCalendar(); try { gerObj.generate(Integer.parseInt(argv[0]),Integer.parseInt(argv[1])); } catch(Exception e) { gerObj.generate(); } }} java icon的操作,求高手指点!!! poi 的 setColorAtIndex小问题 问个关于get的问题 Table的问题 截取字符串后缀的问题 one big question!!!!! ALL SCORES 装完jbuilder2005,进入命令行,输入java,系统提示识别命令怎么办? 两天没来,积了20分,提问散光分 连接数据库的简单问题. 请问应该怎么写才符合重用? 用JNDI和 JDBC 访问数据库的区别? 请问一个初级问题,如何达到in.readLine==null`??
class GergorianCalendar
{
Calendar canObj;
GergorianCalendar()
{
canObj=Calendar.getInstance();
}
void generate()
{
System.out.println("显示日历");
System.out.println("\t\t\t"+canObj.get(Calendar.YEAR)+" 年 "+(canObj.get(Calendar.MONTH)+1)+" 月");
System.out.println("\n\t日\t一\t二\t三\t四\t五\t六");
//
//canObj.set(canObj.YEAR,year);
//canObj.set(canObj.MONTH,month-1);
canObj.set(canObj.DATE,1);
//
//int [] monthArray={1,2,3,4,5,6,7,8,9,10,11,12};
//int [] maxDayOFMonthArray={28,29,30,31};
int maxDayOfMonth;
switch(canObj.get(Calendar.MONTH)+1)
{
case 2:
{
maxDayOfMonth=(28+this.isLeapYear(canObj.get(Calendar.YEAR)));
break;
}
case 4:
case 6:
case 9:
case 11:
{
maxDayOfMonth=30;
break;
}
default:
{
maxDayOfMonth=31;
}
}
System.out.print("\t");
for(int i=1;i<canObj.get(canObj.DAY_OF_WEEK);i++)
{
System.out.print("\t");
}
for(int i=1;i<=maxDayOfMonth;i++)
{
if(canObj.get(canObj.DAY_OF_WEEK)==7)
{
System.out.print(canObj.get(canObj.DATE)+"\n\t");
}
else
{
System.out.print(canObj.get(canObj.DATE)+"\t");
}
canObj.set(canObj.DATE,i+1);
}
}
void generate(int month,int year)
{
System.out.println("显示日历");
System.out.println("\t\t\t"+year+" 年 "+month+" 月");
System.out.println("\n\t日\t一\t二\t三\t四\t五\t六");
//
canObj.set(canObj.YEAR,year);
canObj.set(canObj.MONTH,month-1);
canObj.set(canObj.DATE,1);
//
//int [] monthArray={1,2,3,4,5,6,7,8,9,10,11,12};
//int [] maxDayOFMonthArray={28,29,30,31};
/*int maxDayOfMonth;
switch(month)
{
case 2:
{
maxDayOfMonth=(28+this.isLeapYear(year));
break;
}
case 4:
case 6:
case 9:
case 11:
{
maxDayOfMonth=30;
break;
}
default:
{
maxDayOfMonth=31;
}
}*/
System.out.print("\t");
for(int i=1;i<canObj.get(canObj.DAY_OF_WEEK);i++)
{
System.out.print("\t");
}
for(int i=1;i<=31;i++)
{
if(canObj.get(canObj.DAY_OF_WEEK)==7)
{
System.out.print(canObj.get(canObj.DATE)+"\n\t");
}
else
{
System.out.print(canObj.get(canObj.DATE)+"\t");
}
canObj.set(canObj.DATE,i+1);
if(canObj.get(canObj.DATE)==1)
{
break;
}
}
}
static int isLeapYear(int year)
{
if((year%4==0 && year%100!=0) || (year%400==0))
{
return 1;
}
else
{
return 0;
}
}
}
public class MonthTest
{
public static void main(String [] argv)
{
GergorianCalendar gerObj=new GergorianCalendar();
try
{
gerObj.generate(Integer.parseInt(argv[0]),Integer.parseInt(argv[1])); }
catch(Exception e)
{
gerObj.generate();
}
}
}