WuKongJiZhang/JIZHANG/Main/Tools/JZTime.m

//
//  JZTime.m
//  JIZHANG
//
//  Created by kuxuan on 2017/10/24.
//  Copyright © 2017年 kuxuan. All rights reserved.
//

#import "JZTime.h"

@implementation JZTime
+(NSString *)getTime{
    NSTimeInterval time = [[NSDate date] timeIntervalSince1970];
    long long int date = (long long int)time;
    NSString *timeString = [NSString stringWithFormat:@"%lld", date];
    return timeString;
}
+(NSString *)getYYMMDDWithDate:(NSDate *)date{
    NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
    [formatter setDateFormat:@"yy-MM-dd"];
    NSString *dateStr = [formatter stringFromDate:date];
    return dateStr;
}
+(NSString *)getYYMMDDWithDate2:(NSDate *)date{
    NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
    [formatter setDateFormat:@"yyyy-MM-dd"];
    NSString *dateStr = [formatter stringFromDate:date];
    return dateStr;
}
+(NSString *)getYYMMDDHHMMWithDate:(NSDate *)date{
    NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
    [formatter setDateFormat:@"yyyy年MM月dd日"];
    NSString *dateStr = [formatter stringFromDate:date];
    return dateStr;
}
+(NSString *)getYYMMDDHHMMWithDate2:(NSDate *)date{
    NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
    [formatter setDateFormat:@"yyyy-MM-dd hh:mm"];
    NSString *dateStr = [formatter stringFromDate:date];
    return dateStr;
}

+(NSString *)getYear:(NSDate *)date
{
    NSString * dateString = [self getYYMMDDWithDate2:date];
    NSArray *dateArray = [dateString componentsSeparatedByString:@"-"];
    return dateArray[0];
}

+(NSString *)getMonth:(NSDate *)date
{
    NSString * dateString = [self getYYMMDDWithDate2:date];
    NSArray *dateArray = [dateString componentsSeparatedByString:@"-"];
    NSString *twoString = dateArray[1];
    if ([twoString hasPrefix:@"0"]) {
        twoString = [twoString substringFromIndex:1];
    }
    
    return twoString;
}

+(NSString *)getTimeFromTimeString:(NSString *)timeString
{
    NSDate *date = [NSDate dateWithTimeIntervalSince1970:timeString.doubleValue/1000];
    NSDate *localDate = [NSDate date];
    NSInteger interval = localDate.timeIntervalSince1970 - date.timeIntervalSince1970;
    interval=interval/60/60/24;
    if (interval<1.0) {
        NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
        [formatter setDateFormat:@"HH:mm"];
        NSString *dateStr = [formatter stringFromDate:date];
        
        return dateStr;
    }else if(interval<2.0){
        return @"昨天";
    }else if(interval<3.0){
        return @"前天";
    }else{
        
        //日期
        NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
        [formatter setDateFormat:@"yyyy-MM-dd"];
        NSString *dateStr = [formatter stringFromDate:date];
        
        return dateStr;
    }
    
    return @"";
}

+(NSString *)getTimeWithSice1970TimeString:(NSString *)timeString{
    
    NSDate *date = [NSDate dateWithTimeIntervalSince1970:[timeString doubleValue]/1000];
    NSDate *localDate = [NSDate date];
    NSInteger interval = localDate.timeIntervalSince1970 - date.timeIntervalSince1970;
    interval = interval/60;//分钟为单位
    if (interval <= 60) {
        if (interval <= 30) {
            if (interval == 0){
                return @"刚刚";
            }else{
                return [NSString stringWithFormat:@"%ld分钟前",(long)interval];
            }
        }else if (interval > 30){
            return @"半小时前";
        }
    }else{
        interval = interval/60;
        if (interval <= 24) {
            return [NSString stringWithFormat:@"%ld小时前",(long)interval];
        }else{
            
            
            //今年
            NSDate *  senddate=[NSDate date];
            
            NSDateFormatter  *dateformatter=[[NSDateFormatter alloc] init];
            
            [dateformatter setDateFormat:@"YYYY"];
            
            NSString *  locationString=[dateformatter stringFromDate:senddate];
            
            //日期
            NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
            [formatter setDateFormat:@"yyyy"];
            NSString *dateStr = [formatter stringFromDate:date];
            
            if ([dateStr isEqualToString:locationString]) {
                
                [formatter setDateFormat:@"MM-dd"];
                dateStr = [formatter stringFromDate:date];
                NSMutableString *mutString = [NSMutableString stringWithFormat:@"%@",dateStr];
                NSString *str = [dateStr substringWithRange:NSMakeRange(3, 1)];
                
                if ([str isEqualToString:@"0"]) {
                    [mutString replaceCharactersInRange:NSMakeRange(3, 1) withString:@""];
                }
                NSString *str2 = [mutString substringWithRange:NSMakeRange(0, 1)];
                
                if ([str2 isEqualToString:@"0"]) {
                    [mutString replaceCharactersInRange:NSMakeRange(0, 1) withString:@""];
                }
                return mutString;
            }else{
                [formatter setDateFormat:@"yyyy-MM-dd"];
                dateStr = [formatter stringFromDate:date];
                return dateStr;
            }
            
            
        }
    }
    
    return @"";
}

+ (NSInteger)howManyDaysInThisYear:(NSInteger)year withMonth:(NSInteger)month{
    
    //下面这种频繁切换月份时候易崩溃
    //    NSDateFormatter * formatter = [[NSDateFormatter alloc] init];
    //    [formatter setDateFormat:@"yyyy-MM"]; // 年-月
    //    [formatter setTimeZone:[NSTimeZone timeZoneForSecondsFromGMT:8*60*60]];
    //    NSString * dateStr = [NSString stringWithFormat:@"%ld-%ld",(long)year,(long)month];
    //
    //    NSDate * date = [formatter dateFromString:dateStr];
    //
    //    //
    //    NSCalendar * calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
    //
    //    NSRange range = [calendar rangeOfUnit:NSCalendarUnitDay
    //                                   inUnit: NSCalendarUnitMonth
    //                                  forDate:date];
    //    return range.length;
    
    
    if((month == 1) || (month == 3) || (month == 5) || (month == 7) || (month == 8) || (month == 10) || (month == 12)){
        return 31;
    } else if((month == 4) || (month == 6) || (month == 9) || (month == 11)) {
        return 30;
    } else {   //2月
        if (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0)) {
            return 29;
        }else{
            return 28;
        }
    }
}

@end