c# fluentftp如何上传文件

要使用C# FluentFTP库上传文件，首先确保已经安装了FluentFTP NuGet包。然后，按照以下步骤操作：

1. 引入必要的命名空间：

using System;
    
using System.IO;
    
using FluentFTP;
    

1. 创建一个FtpClient对象并连接到FTP服务器：

string host = "your_ftp_host";
    
int port = 21;
     // 默认的FTP端口是21
string username = "your_username";
    
string password = "your_password";
    

FtpClient client = new FtpClient(host, port, username, password);
    
client.EncryptionMode = FtpEncryptionMode.Explicit;
     // 设置加密模式为显式
client.Connect();

1. 检查连接是否成功：

if (!client.IsConnected)
{
    
    Console.WriteLine("Failed to connect to FTP server.");
    
    return;

}
    

1. 使用UploadFile方法上传文件：

string localFilePath = @"C:\path\to\your\local\file.txt";
     // 本地文件路径
string remoteFilePath = "/remote/path/file.txt";
     // FTP服务器上的目标路径

bool success = client.UploadFile(localFilePath, remoteFilePath);


if (success)
{
    
    Console.WriteLine("File uploaded successfully.");

}

else
{
    
    Console.WriteLine("Failed to upload file.");

}
    

1. 断开与FTP服务器的连接：

client.Disconnect();
    

完整的示例代码如下：

using System;
    
using System.IO;
    
using FluentFTP;


namespace FtpUploadExample
{

    class Program
    {

        static void Main(string[] args)
        {
    
            string host = "your_ftp_host";
    
            int port = 21;
    
            string username = "your_username";
    
            string password = "your_password";
    

            FtpClient client = new FtpClient(host, port, username, password);
    
            client.EncryptionMode = FtpEncryptionMode.Explicit;
    
            client.Connect();


            if (!client.IsConnected)
            {
    
                Console.WriteLine("Failed to connect to FTP server.");
    
                return;

            }
    

            string localFilePath = @"C:\path\to\your\local\file.txt";
    
            string remoteFilePath = "/remote/path/file.txt";
    

            bool success = client.UploadFile(localFilePath, remoteFilePath);


            if (success)
            {
    
                Console.WriteLine("File uploaded successfully.");

            }

            else
            {
    
                Console.WriteLine("Failed to upload file.");

            }
    

            client.Disconnect();

        }

    }

}
    

请根据实际情况替换your_ftp_host、your_username、your_password和本地文件路径。运行此代码后，文件将从本地上传到FTP服务器。

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