/// <summary>
/// 求值
/// </summary>
/// <param name="input"></param>
/// <param name="companyCD"></param>
/// <returns></returns>
public static DataTable ExpDataTable(DataTable input, string companyCD, string expType, int moveRows)
{
DataSet ds0 = new XBase.Business.Decision.DataCustLevel().GetList("CompanyCD='" + companyCD + "'");
int levelCnt = ds0.Tables[0].Rows.Count;
levelCnt--;
DataSet ds = new XBase.Business.Decision.DataModelExp().GetList("CompanyCD='" + companyCD + "' AND ExpType='" + expType + "'");
if (ds.Tables[0].Rows.Count == 0)
{
return(input);
}
string exp = ds.Tables[0].Rows[0]["Expressions"].ToString();
double tconstSec = double.Parse(exp.Split('|')[0]);
string[] tvarSecs = exp.Split('|')[1].Split(';');
foreach (DataRow row in input.Rows)
{
double result = tconstSec;
for (int j = 0; j < tvarSecs.Length; j++)
{
string[] pairs = tvarSecs[j].Split(',');
result += double.Parse(row[moveRows + int.Parse(pairs[0])].ToString()) * double.Parse(pairs[1]);
}
double p = Math.Pow(Math.E, result) / (1 + Math.Pow(Math.E, result));
if (Double.IsNaN(p))
{
p = 1;
}
int lvIdx = (int)(p * levelCnt);
if (levelCnt == -1)
{
row["CustGrade"] = "未配置等级";
}
else
{
row["CustGrade"] = ds0.Tables[0].Rows[lvIdx]["GName"].ToString();
}
}
return(input);
}
/// <summary>
/// 求值
/// </summary>
/// <param name="input"></param>
/// <param name="companyCD"></param>
/// <returns></returns>
public static DataTable ExpDataTable(DataTable input,string companyCD,string expType,int moveRows)
{
DataSet ds0 = new XBase.Business.Decision.DataCustLevel().GetList("CompanyCD='" + companyCD + "'");
int levelCnt = ds0.Tables[0].Rows.Count;
levelCnt--;
DataSet ds = new XBase.Business.Decision.DataModelExp().GetList("CompanyCD='" + companyCD + "' AND ExpType='" + expType + "'");
if (ds.Tables[0].Rows.Count == 0)
return input;
string exp = ds.Tables[0].Rows[0]["Expressions"].ToString();
double tconstSec = double.Parse(exp.Split('|')[0]);
string[] tvarSecs = exp.Split('|')[1].Split(';');
foreach (DataRow row in input.Rows)
{
double result = tconstSec;
for (int j = 0; j < tvarSecs.Length; j++)
{
string[] pairs = tvarSecs[j].Split(',');
result += double.Parse(row[moveRows+ int.Parse(pairs[0])].ToString()) * double.Parse(pairs[1]);
}
double p = Math.Pow(Math.E, result) / (1 + Math.Pow(Math.E, result));
if (Double.IsNaN(p))
{
p = 1;
}
int lvIdx = (int)(p * levelCnt);
if (levelCnt == -1)
{
row["CustGrade"] = "未配置等级";
}
else
{
row["CustGrade"] = ds0.Tables[0].Rows[lvIdx]["GName"].ToString();
}
}
return input;
}
