120 Service ready in nnn minutes.服务在NNN时间内可用-----------------------------------125 Data connection already open; transfer starting.数据连接已经打开，开始传送数据.-----------------------------------150 File status okay; about to open data connection.文件状态正确，正在打开数据连接.-----------------------------------200 Command okay.命令执行正常结束.-----------------------------------202 Command not implemented, superfluous at this site.命令未被执行，此站点不支持此命令.-----------------------------------211 System status, or system help reply.系统状态或系统帮助信息回应.-----------------------------------212 Directory status.目录状态信息.-----------------------------------213 File status. $XrkxmL=文件状态信息.-----------------------------------214 Help message.On how to use the server or the meaning of a particular non-standard command. This reply is useful only to the human user. 帮助信息。关于如何使用本服务器或特殊的非标准命令。此回复只对人有用。-----------------------------------215 NAME system type. Where NAME is an official system name from the list in the Assigned Numbers document.NAME系统类型。-----------------------------------220 Service ready for new user.新连接的用户的服务已就绪-----------------------------------221 Service closing control connection.控制连接关闭-----------------------------------225 Data connection open; no transfer in progress.数据连接已打开，没有进行中的数据传送-----------------------------------226 Closing data connection. Requested file action successful (for example, file transfer or file abort).正在关闭数据连接。请求文件动作成功结束（例如，文件传送或终止）-----------------------------------227 Entering Passive Mode (h1,h2,h3,h4,p1,p2).进入被动模式-----------------------------------230 User logged in, proceed. Logged out if appropriate.用户已登入。 如果不需要可以登出。-----------------------------------250 Requested file action okay, completed. _被请求文件操作成功完成 63----------------------------------- ,257 "PATHNAME" created.路径已建立-----------------------------------331 User name okay, need password. ,用户名存在，需要输入密码-----------------------------------332 Need account for login.需要登陆的账户-----------------------------------350 Requested file action pending further information U对被请求文件的操作需要进一步更多的信息-----------------------------------421 Service not available, closing control connection.This may be a reply to any command if the service knows it must shut down. (O&;服务不可用，控制连接关闭。这可能是对任何命令的回应，如果服务认为它必须关闭 基本上表示人数达到上限,请以后再试连接.-----------------------------------425 Can’t open data connection.打开数据连接失败-----------------------------------426 Connection closed; transfer aborted.连接关闭，传送中止。-----------------------------------450 Requested file action not taken.对被请求文件的操作未被执行-----------------------------------451 Requested action aborted. Local error in processing.请求的操作中止。处理中发生本地错误。-----------------------------------452 Requested action not taken. Insufficient storage space in system.File unavailable (e.g., file busy).请求的操作没有被执行。 系统存储空间不足。 文件不可用-----------------------------------500 Syntax error, command unrecognized. This may include errors such as command line too long..语法错误，不可识别的命令。 这可能是命令行过长。----------------------------------- }501 Syntax error in parameters or arguments.参数错误导致的语法错误-----------------------------------502 Command not implemented.命令未被执行-----------------------------------503 Bad sequence of commands. )命令的次序错误。-----------------------------------504 Command not implemented for that parameter.,由于参数错误，命令未被执行-----------------------------------530 Not logged in.没有登录-----------------------------------532 Need account for storing files.存储文件需要账户信息!-----------------------------------550 Requested action not taken. File unavailable (e.g., file not found, no access).请求操作未被执行，文件不可用。----------------------------------- |551 Requested action aborted. Page type unknown. +.+请求操作中止，页面类型未知-----------------------------------552 Requested file action aborted. Exceeded storage allocation (for current directory or dataset).对请求文件的操作中止。 超出存储分配-----------------------------------553 Requested action not taken. File name not allowed请求操作未被执行。 文件名不允许----------------------------------- .-----------------------------------这种错误跟http协议类似，大致是：2开头－－成功 A/3开头－－权限问题4开头－－文件问题5开头－－服务器问题
