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 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 calculate_Click(object sender, EventArgs e)
{
FormulaGetter getter = new FormulaGetter(formula.Text, stock);
result.Text = getter.getResult() + "\n\n=====================================\n" + tipStr;
}
