小数处理 四舍五入
NSLog(@"%f",round(12345.6749*100)/100);//12345.670000
NSNumber *num = [NSNumber numberWithFloat:12.1250];
NSLog(@"%@",[NSString stringWithFormat:@"%.2f",round([num floatValue]*100)/100]);//12.13```
小数处理 四舍五入
NSLog(@"%f",round(12345.6749*100)/100);//12345.670000
NSNumber *num = [NSNumber numberWithFloat:12.1250];
NSLog(@"%@",[NSString stringWithFormat:@"%.2f",round([num floatValue]*100)/100]);//12.13```本文标题：小数处理 四舍五入 tip
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