组件：因特网

此组件由因特网卡提供。

组件名：internet。
回调函数：

• isTcpEnabled():boolean
  返回是否可建立TCP连接（可在配置文件中设置）。
• isHttpEnabled():boolean
  返回是否可进行HTTP请求（可在配置文件中设置）。
• connect(address:string[, port:number]):userdata
  建立一个新的TCP连接。返回连接的句柄。
• request(url:string[, postData:string[, headers:table]]):userdata
  发送一个新的HTTP请求。返回连接的句柄。

• read([n:number]):string
  Tries to read data from the socket stream. Returns the read byte array.
• close()
  Closes an open socket stream.
• write(data:string):number
  Tries to write data to the socket stream. Returns the number of bytes written.
• finishConnect():boolean
  Ensures a socket is connected. Errors if the connection failed.
• id():string Returns the id for this socket.

After calling finishConnect or read, this socket generates a signal named internet_ready whenever new data is available to be read. It has one parameter which is the socket id.

• read([n:number]):string
  Tries to read data from the response. Returns the read byte array.
• response():number, string, table
  Get response code, message and headers.
• close()
  Closes an open socket stream.
• finishConnect():boolean
  Ensures a response is available. Errors if the connection failed.