在C#中,您可以使用switch
语句来处理多个条件。switch
语句允许您根据不同的条件执行不同的代码块。当条件匹配时,将执行相应的case
标签中的代码。如果没有匹配的条件,则执行default
标签中的代码(如果提供了default
标签)。
以下是一个处理多个条件的switch
语句示例:
using System;
class Program
{
static void Main()
{
int number = 2;
string day = "Wednesday";
switch (number)
{
case 1:
Console.WriteLine("Number is 1.");
break;
case 2:
Console.WriteLine("Number is 2.");
break;
case 3:
Console.WriteLine("Number is 3.");
break;
default:
Console.WriteLine("Number is not 1, 2, or 3.");
break;
}
switch (day)
{
case "Monday":
Console.WriteLine("Day is Monday.");
break;
case "Tuesday":
Console.WriteLine("Day is Tuesday.");
break;
case "Wednesday":
Console.WriteLine("Day is Wednesday.");
break;
case "Thursday":
Console.WriteLine("Day is Thursday.");
break;
case "Friday":
Console.WriteLine("Day is Friday.");
break;
case "Saturday":
Console.WriteLine("Day is Saturday.");
break;
case "Sunday":
Console.WriteLine("Day is Sunday.");
break;
default:
Console.WriteLine("Day is not Monday through Sunday.");
break;
}
}
}
在这个示例中,我们有两个switch
语句。第一个switch
语句处理整数number
,第二个switch
语句处理字符串day
。在每个switch
语句中,我们为每个可能的值定义了一个case
标签,并为每个case
标签提供了相应的代码块。如果没有匹配的条件,则执行default
标签中的代码。