python中调用 C#动态链接库问题记录

Posted 2023-04-25

参考技术A 程序［摘自 https://blog.csdn.net/LTG01/article/details/80700513 ］　
import clr
clr.FindAssembly("PythonNetTest.dll") ## 加载c#dll文件
from PythonNetTest import * # 导入命名空间
instance = Class1() #class1是dll里面的类
print(instance.AddShort(2, 3))#一个简单的加法
instance.ShowForm()

【1】报错：　AttributeError: 'module' object has no attribute 'FindAssembly'
错误原因：
python存在 clr 模块，python的pythonnet模块中,也存在clr，在import 过程中，
要用的是后者中的clr，因此要利用　pip uninstall clr
把clr模块卸载掉，再运行上面的程序就可以了。
【2】 报错： name "PythonNetTest" has not found
错误原因：
未将PythonNetTest.dll与.py程序，放在同一个目录下，放在同一个目录下即可。

C# 调用动态链接库，给游览器写入Cookie

给游览器写入Cookie

class Program {
        /// <summary>
        /// 写
        /// </summary>
        /// <param name="lpszUrlName"></param>
        /// <param name="lbszCookieName"></param>
        /// <param name="lpszCookieData"></param>
        /// <returns></returns>
        [DllImport("wininet.dll", CharSet = CharSet.Auto, SetLastError = true)]
        public static extern bool InternetSetCookie ( string lpszUrlName, string lbszCookieName, string lpszCookieData );
        /// <summary>
        /// 读
        /// </summary>
        /// <param name="lpszUrlName"></param>
        /// <param name="lbszCookieName"></param>
        /// <param name="lpszCookieData"></param>
        /// <param name="lpdwSize"></param>
        /// <returns></returns>
        [DllImport("wininet.dll", CharSet = CharSet.Auto, SetLastError = true)]
        public static extern bool InternetGetCookie ( string lpszUrlName, string lbszCookieName, StringBuilder lpszCookieData, ref int lpdwSize );
        /// <summary>
        /// 异常
        /// </summary>
        /// <returns></returns>
        [DllImport("kernel32.dll")]
        public static extern Int32 GetLastError ();
        static void Main ( string[] args ) {
            System.Diagnostics.Process.Start("IEXPLORE.EXE", "http://172.16.5.63:8088/ws?uname=122");
            System.Threading.Thread.Sleep(1000 * 10);
            //System.Diagnostics.Process.Start("http://172.16.5.63:8088/ws?uname=122");
            if ( !InternetSetCookie("http://172.16.5.63:8088", "Test", DateTime.Now + ";expires=Sun,22-Feb-2099 00:00:00 GMT") )
            {
                Console.WriteLine("错误消息:", GetLastError().ToString());
            }
            StringBuilder cookie = new StringBuilder(new String(‘ ‘, 2048));
            int datasize = cookie.Length;
            if ( !InternetGetCookie("http://172.16.5.63:8088", "Test", cookie, ref datasize) )
            {
                Console.WriteLine(GetLastError().ToString());
            }
            Console.WriteLine(cookie.ToString(), datasize);
            Console.ReadLine();
        }
    }