private String calculateForm(Queue<String> formula) {
////test
//String s = formula.Dequeue();
//while (formula.Count() != 0) {
// s += formula.Dequeue();
//}
//Console.WriteLine(s);
//匹配各种函数： formula的形式是：pow[o1,o2]
if (formula.Peek().Equals("pow")) {
formula.Dequeue();
String[] t = breakFormula(formula,",");
Decimal o1 = getResult(t);
t = breakFormula(formula, "]");
Decimal o2 = getResult(t);
String result=Function.pow(o1, o2).ToString();
return result;
}
else if (formula.Peek().Equals("if")) {
formula.Dequeue();
String[] t = breakFormula(formula, ",");
FormulaGetter f = new FormulaGetter(t.ToString(), stock);
string o0 = f.getResult();
t = breakFormula(formula, ",");
Decimal o1 = getResult(t);
t = breakFormula(formula, "]");
Decimal o2 = getResult(t);
if (o0.Equals("true")) {
return o1.ToString();
}
else {
return o2.ToString();
}
}
else if (formula.Peek().Equals("nif")) {
formula.Dequeue();
String[] t = breakFormula(formula, ",");
FormulaGetter f = new FormulaGetter(t.ToString(), stock);
string o0 = f.getResult();
t = breakFormula(formula, ",");
Decimal o1 = getResult(t);
t = breakFormula(formula, "]");
Decimal o2 = getResult(t);
if (o0.Equals("false")) {
return o1.ToString();
}
else {
return o2.ToString();
}
}
else if (formula.Peek().Equals("acos")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.ACOS(o).ToString();
return result;
}
else if (formula.Peek().Equals("asin")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.ASIN(o).ToString();
return result;
}
else if (formula.Peek().Equals("atan")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.ATAN(o).ToString();
return result;
}
else if (formula.Peek().Equals("sin")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.SIN(o).ToString();
return result;
}
else if (formula.Peek().Equals("cos")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.COS(o).ToString();
return result;
}
else if (formula.Peek().Equals("tan")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.TAN(o).ToString();
return result;
}
else if (formula.Peek().Equals("exp")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.EXP(o).ToString();
return result;
}
else if (formula.Peek().Equals("ln")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.LN(o).ToString();
return result;
}
else if (formula.Peek().Equals("log")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.LOG(o).ToString();
return result;
}
else if (formula.Peek().Equals("sqrt")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.SQRT(o).ToString();
return result;
}
else if (formula.Peek().Equals("abs")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.ABS(o).ToString();
return result;
}
else if (formula.Peek().Equals("ceiling")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.CEILING(o).ToString();
return result;
}
else if (formula.Peek().Equals("floor")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.FLOOR(o).ToString();
return result;
}
else if (formula.Peek().Equals("intpart")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.INTPART(o).ToString();
return result;
}
else if (formula.Peek().Equals("rand")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.RAND(o).ToString();
return result;
}
else if (formula.Peek().Equals("sign")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.SIGN(o).ToString();
return result;
}
else if (formula.Peek().Equals("round")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.ROUND(o).ToString();
return result;
}
else if (formula.Peek().Equals("fracpart")) {
formula.Dequeue();
String[] t = breakFormula(formula, "]");
Decimal o = getResult(t);
String result = Function.FRACPART(o).ToString();
return result;
}
else if (formula.Peek().Equals("max")) {
formula.Dequeue();
String[] t = breakFormula(formula, ",");
Decimal o1 = getResult(t);
t = breakFormula(formula, "]");
Decimal o2 = getResult(t);
String result = Function.MAX(o1, o2).ToString();
return result;
}
else if (formula.Peek().Equals("min")) {
formula.Dequeue();
String[] t = breakFormula(formula, ",");
Decimal o1 = getResult(t);
t = breakFormula(formula, "]");
Decimal o2 = getResult(t);
String result = Function.MIN(o1, o2).ToString();
return result;
}
else if (formula.Peek().Equals("mod")) {
formula.Dequeue();
String[] t = breakFormula(formula, ",");
Decimal o1 = getResult(t);
t = breakFormula(formula, "]");
Decimal o2 = getResult(t);
String result = Function.MOD(o1, o2).ToString();
return result;
}
return new String ('1',1);
}
private void formulaListBox_SelectedIndexChanged(object sender, EventArgs e)
{
formulaTitle.Text = ((Formula)formulaListBox.SelectedItem).title;
formula.Text = ((Formula)formulaListBox.SelectedItem).formula;
FormulaGetter getter = new FormulaGetter(formula.Text, stock);
result.Text = getter.getResult() + "\n\n=====================================\n" + tipStr;
}
private void save_Click(object sender, EventArgs e)
{
FormulaGetter getter = new FormulaGetter(formula.Text, stock);
if (getter.getResult().Contains("表达式错误！"))
{
result.Text = "公式错误！禁止保存错误的公式，请检查并修改！\n" + "\n\n=====================================\n" + tipStr;
}
else
{
SaveFormulaToList();
SaveFormulaToDB();
result.Text = "保存成功！\n" + "\n\n=====================================\n" + tipStr;
BindFormulaList();
}
}
private void calculate_Click(object sender, EventArgs e)
{
FormulaGetter getter = new FormulaGetter(formula.Text, stock);
result.Text = getter.getResult() + "\n\n=====================================\n" + tipStr;
}
