butcher blog

生まれてから　何日生きてきたか？
プロト　Ｏｂｊｅｃｔｉｖｅ−Ｃで書いてみた。
NSCalendarDateを使ってみた

-----以下　サンプル
//
// main.m
// NSCalendarDate_sample
//
// Created by 鈴木 重則 on 11/06/12.
// Copyright 2011 none. All rights reserved.
//

#import <Foundation/Foundation.h>

int main (int argc, const char * argv[])
{
int count,count1,count2;
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
// my brith day
NSCalendarDate *theDate1 = [NSCalendarDate
dateWithString:@"Sunday, 13 June 1957, 00:32 AM"
calendarFormat:@"%A, %d %B %Y, %I:%M %p"];
NSLog([NSString stringWithFormat:@" %d",[theDate1 dayOfCommonEra]]);

count1 = [theDate1 dayOfCommonEra];
// target day
NSCalendarDate *theDate2 = [NSCalendarDate
dateWithString:@"Sunday, 12 June 2011, 00:32 AM"
calendarFormat:@"%A, %d %B %Y, %I:%M %p"];
NSLog([NSString stringWithFormat:@" %d",[theDate2 dayOfCommonEra]]);
count2 = [theDate2 dayOfCommonEra];
count = count2 - count1;

NSLog(@" count day = %d, Year = %d",count,count/365);


// NSLog([NSString stringWithFormat:@" %d",[theDate dayOfYear]]);
// insert code here...
// NSLog(@"Hello, World!");

[pool drain];
return 0;
}

本日のみに変更
---- 以下　サンプル
//
// main.m
// nowDay_sample
//
// Created by 鈴木 重則 on 11/06/12.
// Copyright 2011 none. All rights reserved.
//

#import <Foundation/Foundation.h>

int main (int argc, const char * argv[])
{

NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
int count,count1,count2;
// NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
// my brith day
NSCalendarDate *theDate1 = [NSCalendarDate
dateWithString:@"Sunday, 13 June 1957, 00:32 AM"
calendarFormat:@"%A, %d %B %Y, %I:%M %p"];
NSLog([NSString stringWithFormat:@" %d",[theDate1 dayOfCommonEra]]);

count1 = [theDate1 dayOfCommonEra];
// now time
NSDate *theDate2;
theDate2 = [NSCalendarDate calendarDate];

count2 = theDate2;
NSLog([theDate2 description]);
count2 = [theDate2 dayOfCommonEra];
count = count2 - count1;

NSLog(@" count day = %d, Year = %d",count,count/365);


// insert code here...
//NSLog(@"Hello, World!");

[pool drain];
return 0;
}