iphone 輸出如2010年2月25日星期幾的時間格式 NSDate

轉自:http://jinkeu.blog.163.com/blog/static/2089212920111255385161/

   NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    dateFormatter.timeZone = [NSTimeZone localTimeZone];
    
    NSDate *today = [NSDate date];
    NSCalendar *gregorian = [[[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar] autorelease];
    NSDateComponents *components = [gregorian components:(NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSWeekdayCalendarUnit) fromDate:today];
    
    NSString *timeString = [NSString stringWithFormat:@"%d年%d月%d日星期%d",[components year],[components month], [components day], [components weekday]];
    NSLog(@"timeString:%@",timeString);
    BR_RELEASE(dateFormatter);
    BR_RELEASE(gregorian);