DATE

//
//  main.m
//  DATE
//
//  Created by syrcfwzx on 16/1/8.
//  Copyright (c) 2016年 syrcfwzx. All rights reserved.
//

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        
        NSDate* date = [NSDate date];
        NSLog(@"%@",date);
        NSLog(@"%@",[date descriptionWithLocale:[NSLocale currentLocale]]);
        
        //NSDate和NSString转换
        NSDateFormatter* formattor = [[NSDateFormatter alloc]init];
        formattor.dateFormat=@"yyyy-MM-dd hh:mm:ss";
        NSString* str = [formattor stringFromDate:date];
        NSLog(@"%@",str);
        //获取年月日
        NSCalendarDate* calender = [NSCalendarDate calendarDate];
        NSInteger year = [calender yearOfCommonEra];
        NSLog(@"%ld",year);
      
        
    }
    return 0;
}
原文地址:https://www.cnblogs.com/hezhuangzhuang/p/5114045.html