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Question

我想了解Socket类和我使用下面的例子来实现服务器样本

local server = assert(socket.bind("*", 0)) 

-- find out which port the OS chose for us 
local ip, port = server:getsockname() 

-- print a message informing what's up 
print("Please telnet to localhost on IP [" ..ip.. "] and port [" .. port .. "]") 
print("After connecting, you have 10s to enter a line to be echoed") 

-- loop forever waiting for clients 
while true do 
-- wait for a connection from any client 
local client = server:accept() 

-- make sure we don't block waiting for this client's line 
client:settimeout(10) 

-- receive the line 
local line, err = client:receive() 

-- if there was no error, send it back to the client 
if not err then 
    client:send(line .. "\n") 
end 

-- done with client, close the object 
client:close() 
end 

但现在的问题是，我怎么可以telnet例如地址本地主机：通过LUA 8080 ？

编辑： 我忘了说什么，我甚至不能在cmd上telnet。当我键入命令：

的telnet IP端口

它总是说“连接丢失”后，我发送消息。我究竟做错了什么？

Answer 1

完成！

local socket = require("socket") 

local server = socket.connect(ip, port) 

local ok, err = server:send("RETURN\n") 
if (err ~= nil) then 
    print (err) 
else 
    while true do 
     s, status, partial = server:receive(1024) 
     print(s or partial) 

     if (status == "closed") then 
      break 
     end 
    end 
end 

server:close() 

Answer 2

首先，按照说明从here将启动telnet在Windows 7：

1. 进入控制面板
2. 查找Programs下Turn Windows features on or off（取决于布局）
3. 查找Telnet client并启用它。

一旦你这样做了，它应该按预期工作。