private static int OnAppExecute(CommandArgument argOperator, CommandOption optMin, CommandOption optMax, CommandOption optCount)
{
if (argOperator.Values.Count == 0)
{
Console.Error.WriteLine("未指定算数类型。");
return -1;
}
// 简单起见，我们假设 argOperator 始终有正确的值，因此忽略参数检测
string[] operators = argOperator.Values.Select(o =>
{
switch (o)
{
case "减":
return "-";
case "乘":
return "×";
case "除":
return "÷";
case "加":
default:
return "+";
}
}).ToArray();
int minValue, maxValue, count;
if (optMin.HasValue())
{
if (!int.TryParse(optMin.Value(), out minValue))
{
Console.Error.WriteLine($"invalid minValue: {optMin.Value()}");
return -2;
}
}
else
{
minValue = 0;
}
if (optMax.HasValue())
{
if (!int.TryParse(optMax.Value(), out maxValue))
{
Console.Error.WriteLine($"invalid maxValue: {optMax.Value()}");
return -3;
}
}
else
{
maxValue = 100;
}
if (optCount.HasValue())
{
if (!int.TryParse(optCount.Value(), out count))
{
Console.Error.WriteLine($"invalid count: {optCount.Value()}");
return -4;
}
}
else
{
count = 10;
}
Random rndForOp = new Random();
Random rnd = new Random();
int rndMaxValue = maxValue + 1; // 因为 Random 类的 Next 方法返回的值是大于等于最小值，小于最大值，因此我们需要 maxValue + 1，确保 maxValue 是可能的返回结果之一
int valueWidth = maxValue.ToString().Length;
for (int i = 1; i <= count; i++)
{
Console.Write("{0} {1} {2} = "
, rnd.Next(minValue, rndMaxValue).ToString().PadLeft(valueWidth)
, operators[rndForOp.Next(0, operators.Length)]
, rnd.Next(minValue, rndMaxValue).ToString().PadLeft(valueWidth));
if (i % 3 == 0)
{
Console.WriteLine();
}
else
{
Console.Write("\t");
}
}
Console.WriteLine();
return 0;
}
private void AddDotnetBaseParameters()
{
_app.HelpOption("-?|-h|--help");
_configurationOption = _app.Option(
"-c|--configuration <CONFIGURATION>",
"Configuration under which to build",
CommandOptionType.SingleValue);
_outputOption = _app.Option(
"-o|--output <OUTPUT_DIR>",
"Directory in which to find the binaries to be run",
CommandOptionType.SingleValue);
_buildBasePath = _app.Option(
"-b|--build-base-path <OUTPUT_DIR>",
"Directory in which to find temporary outputs",
CommandOptionType.SingleValue);
_frameworkOption = _app.Option(
"-f|--framework <FRAMEWORK>",
"Looks for test binaries for a specific framework",
CommandOptionType.SingleValue);
_runtimeOption = _app.Option(
"-r|--runtime <RUNTIME_IDENTIFIER>",
"Look for test binaries for a for the specified runtime",
CommandOptionType.SingleValue);
_projectPath = _app.Option(
"-p|--project-path <PROJECT_JSON_PATH>",
"Path to Project.json that contains the tool dependency",
CommandOptionType.SingleValue);
_command = _app.Argument(
"<COMMAND>",
"The command to execute.");
}