static void Main(string[] args)
{
int var1, var2;
var result = 0.0;
string op;
Console.WriteLine("$-:欢迎使用四则运算1.0.0版本！");
Console.WriteLine("$-:请输入运算式:");
Console.Write("$-: var1: ");
var1 = Int32.Parse(Console.ReadLine());
Console.Write("$-: op: ");
op = Console.ReadLine();
Console.Write("$-: var2 ");
var2 = Int32.Parse(Console.ReadLine());
//利用配置文件管理工具配置文件
Configuration conf = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
string factoryname = conf.AppSettings.Settings[op].Value;
//用反射机制
//当前程序集
//Type type = Type.GetType(factoryname);
//type.Assembly.CreateInstance(factoryname);
Assembly ass = Assembly.Load("No_rz43_CalcualtorLib");
ICalculatorFactory ft = (ICalculatorFactory)ass.CreateInstance(factoryname);
ICalculator cal = ft.GetCalcualtor();
result = cal.Calcualtor(var1, var2);
Console.WriteLine("$-:result: {0}{1}{2}={3}", var1, op, var2, result);
Console.ReadKey();
}
private void btnOps_Click(object sender, EventArgs e)
{
dataX = double.Parse(tb_in.Text);
tb_out.Text += ((Button)sender).Text;
tb_in.Text = "0";
#region 使用配置文件和反射机制，按照所按操作符获取运算 cal
//利用配置文件管理工具配置文件
Configuration conf = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
string factoryname = conf.AppSettings.Settings[((Button)sender).Text].Value;
op = ((Button)sender).Text;
//用反射机制
//当前程序集
//Type type = Type.GetType(factoryname);
//type.Assembly.CreateInstance(factoryname);
Assembly ass = Assembly.Load("No_rz43_CalcualtorLib");
ICalculatorFactory ft = (ICalculatorFactory)ass.CreateInstance(factoryname);
cal = ft.GetCalcualtor();
#endregion 使用配置文件和反射机制，按照所按操作符获取运算 cal
}