- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view.        NSLog(@"--float-%@-",[self stringDisposeWithFloat:9.000899990000]);    }//浮点数处理并去掉多余的0-(NSString *)stringDisposeWithFloat:(float)floatValue{    NSString *str = [NSString stringWithFormat:@"%f",floatValue];    int len = str.length;    for (int i = 0; i < len; i++)    {        if (![str  hasSuffix:@"0"])            break;        else            str = [str substringToIndex:[str length]-1];    }    if ([str hasSuffix:@"."])//避免像2.0000这样的被解析成2.    {        return [str substringToIndex:[str length]-1];//s.substring(0, len - i - 1);    }    else    {        return str;    }}