xcode NSDateFormatter setTitle

索引サイト
日付の処理


appl***.h





#import 
@interface Windows_based_630AppDelegate : NSObject  {

    UIWindow *window;

	UIButton *btDate;

	UITextField *txDate1;

	UITextField *txDate2;

}
@property (nonatomic, retain) IBOutlet UIWindow *window;
@property (nonatomic, retain) IBOutlet UIButton *btDate;

@property (nonatomic, retain) IBOutlet UITextField *txDate1;

@property (nonatomic, retain) IBOutlet UITextField *txDate2;
 - (IBAction)touch1:(id)sender;
@end

システムデートと一ヶ月前（３１日前）の日付
appl***.m



#import "Windows_based_630AppDelegate.h"
@implementation Windows_based_630AppDelegate
@synthesize window;
@synthesize btDate;

@synthesize txDate1;

@synthesize txDate2;
 - (IBAction)touch1:(id)sender

{

	NSDateFormatter *dateFormatter = [ [NSDateFormatter alloc] init];

	[dateFormatter setDateFormat:@"Y/M/d"];  

	

	NSString *dateString = [dateFormatter stringFromDate:[NSDate date] ];

	txDate1.text = dateString;

	

	NSDate *date2;

	date2 = [NSDate dateWithTimeIntervalSinceNow:-31*24*60*60];
	dateString = [dateFormatter stringFromDate:date2];

	txDate2.text = dateString;

}





 - (void)dealloc {

    [window release];

	[btDate release];

	[txDate1 release];

	[txDate2 release];

    [super dealloc];

}


ボタンへの文字セット





#import "Window_based_650AppDelegate.h"
@implementation Window_based_650AppDelegate
@synthesize window;
@synthesize bt_SetDate;

@synthesize bt_00;

@synthesize bt_01;

@synthesize bt_02;

@synthesize bt_03;

@synthesize bt_04;

@synthesize bt_05;

@synthesize bt_06;

@synthesize bt_07;
@synthesize tx_check;
 - (IBAction)touch_01:(id)sender

{

	NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];

	[dateFormatter setDateFormat:@"M/d"];  

	

	NSDate *w_date[8];

	NSString *w_dateString[8];

	

	for (int idx=0;idx<8;idx++)

	{

		w_date[idx] = [NSDate dateWithTimeIntervalSinceNow:idx*24*60*60]; 

		w_dateString[idx] = [dateFormatter stringFromDate:w_date[idx]];

	}

	tx_check.text = @"push check";

	[bt_00 setTitle:w_dateString[0] forState:UIControlStateNormal];

	[bt_01 setTitle:w_dateString[1] forState:UIControlStateNormal];

	[bt_02 setTitle:w_dateString[2] forState:UIControlStateNormal];

	[bt_03 setTitle:w_dateString[3] forState:UIControlStateNormal];

	[bt_04 setTitle:w_dateString[4] forState:UIControlStateNormal];

	[bt_05 setTitle:w_dateString[5] forState:UIControlStateNormal];

	[bt_06 setTitle:w_dateString[6] forState:UIControlStateNormal];

	[bt_07 setTitle:w_dateString[7] forState:UIControlStateNormal];

}




AX