public void randFormulaTest()
{
RandomFormula formula = new RandomFormula();
String result = formula.randFormula();
Console.WriteLine(result);
}
public static void printFormula()
{
int makeCounts = 0;
while (makeCounts < sumTotal)
{
FormulaFile formulaFile = new FormulaFile();
RandomFormula randomFormula = new RandomFormula();
String formula = randomFormula.randFormula();
DataTable dataTable = new DataTable();
object result = dataTable.Compute(formula, "");//将字符串转换为算术表达式计算
String strResult = Convert.ToString(result);
if (!(strResult.Contains(".") || strResult.Contains("-")))
{
formulaFile.printFile(formula + " = ");//将算式写入文件
Console.WriteLine(formula + " = " + result);
makeCounts++;
}
}
}
