+(NSInteger)timeStampWithString:(NSString *)timeStr{
NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
[formatter setDateFormat:@"yyyy-MM-dd"];
NSDate *date = [formatter dateFromString:timeStr];
NSInteger time = [date timeIntervalSince1970];
NSLog(@"aaaaaa----%lld",(long long)time);
return time;
}
+(NSString *)stringWithTimeStamp:(NSInteger)timeStamp{
NSDate *dateStamp = [NSDate dateWithTimeIntervalSince1970:timeStamp];
NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
[formatter setDateFormat:@"yyyy-MM-dd"];
NSString *birthday = [formatter stringFromDate:dateStamp];
NSLog(@"22222222-----%@",birthday);
return birthday;
}