c#执行外部命令示例分享

string command = @"python test.py";
string output = execute.run(command);
console.writeline(output);

using system;
using system.collections.generic;
using system.diagnostics;
using system.linq;
using system.text;
using system.text.regularexpressions;

//using before change the namespace
namespace test.utility
{
    class execute
    {
        public static string run(string command)
        {
            string output = null;

            if (command != null && !command.equals(""))
            {
                process process = new process();
                processstartinfo processstartinfo = new processstartinfo();
                processstartinfo.filename = "cmd.exe";
                //no create the cmd windows
                processstartinfo.createnowindow = true;
                processstartinfo.redirectstandardinput = true;
                processstartinfo.redirectstandardoutput = true;
                processstartinfo.redirectstandarderror = true;
                processstartinfo.useshellexecute = false;

                process.startinfo = processstartinfo;

                try
                {
                    process.start();
                    process.standardinput.writeline(command);
                    process.standardinput.writeline("exit");
                    process.waitforexit(30 * 1000);
                    output = process.standardoutput.readtoend();
                }
                catch (exception e)
                {
                    process.close();
                    return e.tostring();
                }
                finally
                {
                    process.close();
                }
            }

            return contextfilter(output);
        }

        public static string contextfilter(string output)
        {
            regex regex_end = new regex("^[^^]*#end");
            match match = regex_end.match(output);
            regex regex_begin = new regex("^[^^]*?#begin\r\n");
            string result = regex_begin.replace(match.value, "");
            regex regex_tar = new regex("\r\n#end$");
            result = regex_tar.replace(result,"");
            return result;
        }
    }
}