/// <summary>
/// 利用表驱动法，读取费率
/// </summary>
/// <param name="gender"></param>
/// <param name="marital"></param>
/// <param name="smoke"></param>
/// <param name="age"></param>
/// <returns></returns>
public double GetRateByTable(GenderEnum gender, MaritalEnum marital, SmokeEnum smoke, int age)
{
byte type = (byte)(((byte)gender << 6) | ((byte)marital << 2) | (byte)smoke);
var rates = ratesTable[type];
double result = 0;
foreach (var rate in rates)
{
if (age >= rate.Item1 && age < rate.Item2)
{
result = rate.Item3;
break;
}
}
return(result);
}
/*
* 通过该方法，可以看出有大量的重复内容，并且一长篇都是If else ，可读性、维护性很差
* 为此，建议大家尝试表驱动法处理该问题
*/
public double GetRateByCondition(GenderEnum gender, MaritalEnum marital, SmokeEnum smoke, int age)
{
if (gender == GenderEnum.Male)
{
if (marital == MaritalEnum.Married)
{
if (smoke == SmokeEnum.Smoking)
{
if (age < 20)
{
return(200);
}
else if (age < 40)
{
return(300);
}
else if (age < 60)
{
return(500);
}
else
{
return(1000);
}
}
else
{
//to do
}
}
else if (marital == MaritalEnum.Single)
{
//to do
}
else if (marital == MaritalEnum.Divorce)
{
//to do
}
else
{
//to do
}
}
return(0);
}
public static string MapMaritalEnum(MaritalEnum v)
{
switch (v)
{
case MaritalEnum.Married:
return "已婚";
case MaritalEnum.Love:
return "恋爱中";
case MaritalEnum.Single:
return "单身";
case MaritalEnum.Separate:
return "分居";
case MaritalEnum.Divorce:
return "离异";
case MaritalEnum.Secrecy:
return "保密";
}
return "";
}
