groovy:本幣金額計算-請購

groovy:本幣金額計算-請購
Callout
====================
import java.sql.Timestamp
import java.math.BigDecimal
import java.sql.PreparedStatement
import java.sql.ResultSet
import org.compiere.util.DB
import org.compiere.model.MUser
//@script:groovy:getQuotationForOrder
BigDecimal price = null;
BigDecimal taxrate = null;
if (A_Value != null  && A_Field.getColumnName().equals("匯率") )
{
taxrate =  (BigDecimal) A_Value;
price = A_Tab.getValue("請購金額");
}
if (A_Value != null  && A_Field.getColumnName().equals("請購金額") )
{
price =  (BigDecimal) A_Value;
taxrate = A_Tab.getValue("匯率");
}
if (taxrate==null) taxrate = new BigDecimal(1)
if (price != null)
{
BigDecimal amt = price.multiply(taxrate);
A_Tab.setValue("本幣金額", amt);
}else{
A_Tab.setValue("本幣金額", null);
}
result=""