要计算枚举类型的百分比,可以按照以下步骤进行:
public enum MyEnum
{
Value1,
Value2,
Value3
}
public IActionResult CalculatePercentage()
{
// 创建一个枚举变量
MyEnum[] myEnums = { MyEnum.Value1, MyEnum.Value2, MyEnum.Value3 };
// 计算每个枚举值的数量
int totalCount = myEnums.Length;
int value1Count = myEnums.Count(x => x == MyEnum.Value1);
int value2Count = myEnums.Count(x => x == MyEnum.Value2);
int value3Count = myEnums.Count(x => x == MyEnum.Value3);
// 计算百分比
decimal value1Percentage = (decimal)value1Count / totalCount * 100;
decimal value2Percentage = (decimal)value2Count / totalCount * 100;
decimal value3Percentage = (decimal)value3Count / totalCount * 100;
// 返回百分比结果
return Ok(new
{
Value1Percentage = value1Percentage,
Value2Percentage = value2Percentage,
Value3Percentage = value3Percentage
});
}
app.UseEndpoints(endpoints =>
{
endpoints.MapControllerRoute(
name: "default",
pattern: "{controller}/{action}/{id?}",
defaults: new { controller = "Home", action = "Index" }
);
endpoints.MapControllerRoute(
name: "calculatePercentage",
pattern: "calculatePercentage",
defaults: new { controller = "YourController", action = "CalculatePercentage" }
);
});
以上代码示例中,我们假设你的控制器名称为YourController,你可以根据你的实际情况进行修改。当你访问/calculatePercentage时,将会调用CalculatePercentage方法并返回百分比结果。
注意:在实际应用中,你可能需要从数据库或其他数据源获取枚举值,并根据实际需求进行计算。上述示例仅仅是一个简单的演示。