Ftp客户端连接服务器示例(源码+可执行文件)

【实例截图】

【核心代码】

#include"stdafx.h"
#include"FTPClient.h"
#include<iostream>
using namespace std;
int main(int argc, char* argv[])
{
	
	FTPClient ftp; //定义FTP对象
				  
	if (argc != 2)
	{
		cout << "请输入FTP服务器IP地址：";
		string a, b;
		ftp.subcommend(a, b);
		while (!(const_cast<char*>(a.c_str())))
		{
			cout << "连接失败！请检查输入是否正确！" << endl;
			ftp.subcommend(a, b);
		}
		if (ftp.FTPConnection(const_cast<char*>(a.c_str()), 21))
		{
			
			bool flag;
			do
			{
				ftp.useuser();
				flag = ftp.usepass();
			} while (!flag);
			cout << "提示：help命令可获取帮助！" << endl;
			cout << endl;
			
			while (true)
			{
				cout << "FTP>";
				string order, detail;
				ftp.subcommend(order, detail);
				if (detail.length() != 0)
				{
					memset(ftp.CmdBuf, 0, MAX_SIZE);
					memcpy(ftp.CmdBuf, detail.data(), detail.length());
					ftp.ishavedetail = true;
				}
				if (order == "ls")
					ftp.listftp(const_cast<char*>(a.c_str()));
				else if (order == "stor")
					ftp.storfile(const_cast<char*>(a.c_str()));
				else if (order == "retr")
					ftp.retrfile(const_cast<char*>(a.c_str()));
				else if (order == "cwd")
					ftp.changedir();
				else if (order == "mkd")
					ftp.mkdirectory();
				else if (order == "help")
					ftp.help();
				else if (order == "dele")
					ftp.deletefile();
				else if (order == "about")
					ftp.about();
				else if (order == "quit")
				{
					ftp.quitftp();
					break;
				}
				else if (order == "user")
				{
					bool flag;
					do
					{
						ftp.useuser();
						flag = ftp.usepass();
					} while (!flag);
				}
				else
				{
					cout << "FTP>无此命令！帮助请输入help！" << endl;
				}
				ftp.ishavedetail = false;
			}
		}
	}
	return 0;
}