增加换肤功能

QXLive/Tools/Category/NSDate+QX.m

@@ -0,0 +1,151 @@
+//
+//  NSDate+Category.m
+//  YSDTrucksProject
+//
+//  Created by 党凯 on 2020/8/20.
+//  Copyright © 2020 党凯. All rights reserved.
+//
+
+#import "NSDate+QX.h"
+
+@implementation NSDate (QX)
++ (NSString *)timeStringWithTimeInterval:(NSString *)timeInterval
+{
+
+    NSDate *date = [NSDate dateWithTimeIntervalSince1970:timeInterval.longLongValue]; //此处根据项目需求,选择是否除以1000 , 如果时间戳精确到秒则去掉1000
+
+    NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
+
+    //今天
+    if ([date isToday]) {
+
+//        formatter.dateFormat = @"HH:mm";
+//
+//        return [formatter stringFromDate:date];
+        return @"今天";
+    }else{
+
+        //昨天
+        if ([date isYesterday]) {
+
+//            formatter.dateFormat = @"昨天HH:mm";
+//            return [formatter stringFromDate:date];
+
+            //一周内 [date weekdayStringFromDate]
+            return @"昨天";
+        }else if ([date isInWeak]){
+
+//            formatter.dateFormat = [NSString stringWithFormat:@"%@%@",[date weekdayStringFromDate],@"HH:mm"];
+//            return [formatter stringFromDate:date];
+            return @"一周内";
+            //直接显示年月日
+        }else{
+
+//            formatter.dateFormat = @"yy-MM-dd  HH:mm";
+            formatter.dateFormat = @"yyyy-MM-dd";
+            return [formatter stringFromDate:date];
+        }
+    }
+    return nil;
+}
+//- (BOOL)isInWeek{
+//    NSTimeInterval *time = [self ]
+//}
+
+//是否在同一周
+- (BOOL)isSameWeek
+{
+
+    NSCalendar *calendar = [NSCalendar currentCalendar];
+    int unit = NSCalendarUnitWeekday | NSCalendarUnitMonth | NSCalendarUnitYear ;
+
+    //1.获得当前时间的 年月日
+    NSDateComponents *nowCmps = [calendar components:unit fromDate:[NSDate date]];
+
+    //2.获得self
+    NSDateComponents *selfCmps = [calendar components:unit fromDate:self];
+
+    return (selfCmps.year == nowCmps.year) && (selfCmps.month == nowCmps.month) && (selfCmps.day == nowCmps.day);
+}
+
+
+//根据日期求星期几
+- (NSString *)weekdayStringFromDate{
+
+    NSArray *weekdays = [NSArray arrayWithObjects: [NSNull null], @"星期天", @"星期一", @"星期二", @"星期三", @"星期四", @"星期五", @"星期六", nil];
+
+    NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
+
+    NSTimeZone *timeZone = [[NSTimeZone alloc] initWithName:@"Asia/Shanghai"];
+
+    [calendar setTimeZone: timeZone];
+
+    NSCalendarUnit calendarUnit = NSCalendarUnitWeekday;
+
+    NSDateComponents *theComponents = [calendar components:calendarUnit fromDate:self];
+
+    return [weekdays objectAtIndex:theComponents.weekday];
+
+}
+
+//是否在一周内
+- (BOOL)isInWeak
+{
+    //2014-05-01
+    NSDate *nowDate = [[NSDate date] dateWithYMD];
+
+    //2014-04-30
+    NSDate *selfDate = [self dateWithYMD];
+
+    //获得nowDate和selfDate的差距
+    NSCalendar *calendar = [NSCalendar currentCalendar];
+    NSDateComponents *cmps = [calendar components:NSCalendarUnitDay fromDate:selfDate toDate:nowDate options:0];
+
+    return ((cmps.day > 1) && (cmps.day < 7));
+}
+
+
+//是否为今天
+- (BOOL)isToday
+{
+    //now: 2015-09-05 11:23:00
+    //self 调用这个方法的对象本身
+
+    NSCalendar *calendar = [NSCalendar currentCalendar];
+    int unit = NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear ;
+
+    //1.获得当前时间的 年月日
+    NSDateComponents *nowCmps = [calendar components:unit fromDate:[NSDate date]];
+
+    //2.获得self
+    NSDateComponents *selfCmps = [calendar components:unit fromDate:self];
+
+    return (selfCmps.year == nowCmps.year) && (selfCmps.month == nowCmps.month) && (selfCmps.day == nowCmps.day);
+}
+
+
+
+//是否为昨天
+- (BOOL)isYesterday
+{
+    //2014-05-01
+    NSDate *nowDate = [[NSDate date] dateWithYMD];
+
+    //2014-04-30
+    NSDate *selfDate = [self dateWithYMD];
+
+    //获得nowDate和selfDate的差距
+    NSCalendar *calendar = [NSCalendar currentCalendar];
+    NSDateComponents *cmps = [calendar components:NSCalendarUnitDay fromDate:selfDate toDate:nowDate options:0];
+
+    return cmps.day == 1;
+}
+//格式化
+- (NSDate *)dateWithYMD
+{
+    NSDateFormatter *fmt = [[NSDateFormatter alloc] init];
+    fmt.dateFormat = @"yyyy-MM-dd";
+    NSString *selfStr = [fmt stringFromDate:self];
+    return [fmt dateFromString:selfStr];
+}
+@end