iOS----------四舍五入（只舍不入）

NSString * totalAssetString =@"1161000.00";

NSDecimalNumber *totalAssetNumber = [NSDecimalNumber decimalNumberWithString:totalAssetString];

NSDecimalNumber *publicNumber = [NSDecimalNumber decimalNumberWithString:@"10000"];

NSDecimalNumberHandler *roundUp = [NSDecimalNumberHandler

decimalNumberHandlerWithRoundingMode:NSRoundDown

scale:2

raiseOnExactness:NO

raiseOnOverflow:NO

raiseOnUnderflow:NO

raiseOnDivideByZero:NO];

NSDecimalNumber *dividNum2 = [totalAssetNumber decimalNumberByDividingBy:publicNumber withBehavior:roundUp];

NSLog(@"dividNum2---%@",[NSString stringWithFormat:@"%.2f",[dividNum2 floatValue]]);