ios根据日期获取当前年，月，日的起始时间和终止时间

来源：互联网发布：js leetcode 编辑：程序博客网时间：2024/04/29 02:47

转载地址:http://blog.csdn.net/lwq421336220/article/details/16335095

- (void)getTimeBeginAndEndWidth:(NSDate *)newDate timeStr:(NSString *)timeStr

{
    if (newDate == nil) {
        newDate = [NSDate date];
    }
    double interval = 0;
    NSDate *beginDate = nil;
    NSDate *endDate = nil;
    NSCalendar *calendar = [NSCalendar currentCalendar];
    [calendar setFirstWeekday:2];
    BOOL ok=NO;
    if ([timeStr isEqualToString:All_Today_String]) {
        ok = [calendar rangeOfUnit:NSDayCalendarUnit startDate:&beginDate interval:&interval forDate:newDate];
    }
    else if ([timeStr isEqualToString:All_Week_String])
    {
        ok = [calendar rangeOfUnit:NSWeekCalendarUnit startDate:&beginDate interval:&interval forDate:newDate];
    }
    else if ([timeStr isEqualToString:All_Month_String])
    {
        ok = [calendar rangeOfUnit:NSMonthCalendarUnit startDate:&beginDate interval:&interval forDate:newDate];
    }
    if (ok) {
        endDate = [beginDate dateByAddingTimeInterval:interval-1];
    }else {
        return;
    }
    NSDateFormatter *myDateFormatter = [[NSDateFormatter alloc] init];
    [myDateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
    NSString *beginString = [myDateFormatter stringFromDate:beginDate];
    NSString *endString = [myDateFormatter stringFromDate:endDate];
    [self requestMindMapListWithBeginString:beginString endString:endString];
    NSString *s = [NSString stringWithFormat:@"%@-%@",beginString,endString];

    NSLog(@"%@",s);
}

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