JAVA
public static void main(String[] args) {
DecimalFormat df = new DecimalFormat("###.##");
BigDecimal b1 = new BigDecimal("28.0109");
BigDecimal b2 = new BigDecimal("28.00");
System.out.println("小数格式化：" + df.format(b1)); //28.01
System.out.println("整数格式化：" + df.format(b2)); //28
}C#
private static void Main(string[] args)
{
decimal a = 0.002m;
decimal b = 0.023m;
decimal c = 1.000m;
decimal d = 1.025m;
decimal e = 1.202m;
Console.WriteLine("a:" + a.ToString("###0.##")); //
Console.WriteLine("b:" + b.ToString("###0.##")); // 0.02
Console.WriteLine("c:" + c.ToString("###0.##")); //
Console.WriteLine("d:" + d.ToString("###0.##")); // 1.03
Console.WriteLine("e:" + e.ToString("###0.##")); // 1.2
}
<TextBlock Margin="5 9 0 0" Height="21" VerticalAlignment="Center">
<TextBlock.Text>
<MultiBinding StringFormat="{}{0} | {1} | {2} | {3} | {4:###0.####}{5} | {6:###0.####}{7}">
<Binding Path="drugName"></Binding>
<Binding Path="specification"></Binding>
<Binding Path="usage"></Binding>
<Binding Path="frequencyCode"></Binding>
<Binding Path="dosagePerTime"></Binding>
<Binding Path="dosageUnit"></Binding>
<Binding Path="quantity"></Binding>
<Binding Path="quantityUnit"></Binding>
</MultiBinding>
</TextBlock.Text>
</TextBlock>
Text="{Binding realQuantity, Mode=OneWay,StringFormat={}{0:###0.####}}"