摘要： 获取今天的日期-(NSString *)getDate{ NSDateFormatter*formatter = [[NSDateFormatteralloc]init]; [formatter setDateFormat:@"YYMMdd"]; NSString *locationString=[formatter stringFromDate: [NSDate date]]; [formatter release]; return locationString;}获取前一天日期-(NSString *)getPredate:(NSString *)strDate{ NS 阅读全文