public string clsHandle(string exp)
{
string result = "exp";
char[] compair = { '+', '-', '*', '/' };
string[] exptmp = exp.Split(',');
List <string> rescom = new List <string>();
foreach (var item in exptmp)
{
#region 进入四则运算判断
if (item.IndexOfAny(compair, 0) > -1)
{
try
{
GrammerAnalyzer ga = new GrammerAnalyzer(item);
ga.Analyze();
Token[] toks = ga.TokenList;
SyntaxAnalyzer sa = new SyntaxAnalyzer(toks);
sa.Analyze();
Calculator calc = new Calculator(sa.SyntaxTree);
double value = calc.Calc();
rescom.Add(value.ToString());//加入到list中
}
catch
{
}
}
else
{
rescom.Add(item.ToString());
}
#endregion
}
result = string.Join(",", rescom);
return(result);
}
