C#使用IronPython调用Python

def sayHi():
    print("f**k you")
def add(x,y):
    try:
        return x + y
    except Exception as err:
        return str(err)
def arrSum(arr):
    try:
        sum = 0
        for i in arr:
            sum += i
        return sum
    except Exception as err:
        return str(err)

using IronPython.Hosting;
using Microsoft.Scripting.Hosting;
using System;
using System.Windows.Forms;
namespace CSharpCallPython
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private string PythonScriptPath = string.Empty;
        private ScriptEngine PyEngine = null;
        private void Form1_Load(object sender, EventArgs e)
        {
            PythonScriptPath = Application.StartupPath + "\\test.py";
            PyEngine = Python.CreateEngine();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            dynamic py = PyEngine.ExecuteFile(PythonScriptPath);
            py.sayHi();
            var sum = py.add(3, 5);
            Console.WriteLine("add 方法的和是：{0}", sum);
            int[] arr = new int[3] { 2, 4, 6 };
            var sum1 = py.arrSum(arr);
            Console.WriteLine("数组的和是：{0}", sum1);
        }
    }
}

Process p = new Process();
//环境安装路径 （已经配置了系统变量，所以可以直接写python.exe）
p.StartInfo.FileName = @"python.exe";
//dll+空格+参数
p.StartInfo.Arguments = @"D:\Develop\TEST\OCR\OCRdemo.py 2 3";//参数以空格分隔，如果某个参数为空，可以传入””
p.StartInfo.UseShellExecute = false; //必需
p.StartInfo.RedirectStandardOutput = true;//输出参数设定
p.StartInfo.RedirectStandardInput = true;//传入参数设定
p.StartInfo.CreateNoWindow = true;
p.Start();
string output = p.StandardOutput.ReadToEnd();
p.WaitForExit();//等待外部程序退出后才能往下执行}
Console.Write(output);//输出
p.Close();