Node.js v0.10.18 手册 & 文档

TTY#

稳定度: 2 - 不稳定

The tty module houses the tty.ReadStream and tty.WriteStream classes. In most cases, you will not need to use this module directly.

tty 模块提供了 tty.ReadStream 和 tty.WriteStream 类。在大部分情况下，您都不会需要直接使用此模块。

When node detects that it is being run inside a TTY context, then process.stdin will be a tty.ReadStream instance and process.stdout will be a tty.WriteStream instance. The preferred way to check if node is being run in a TTY context is to check process.stdout.isTTY:

当 node 检测到它正运行于 TTY 上下文中时，process.stdin 将会是一个 tty.ReadStream 实例，且 process.stdout 也将会是一个 tty.WriteStream 实例。检查 node 是否运行于 TTY 上下文的首选方式是检查 process.stdout.isTTY：

$ node -p -e "Boolean(process.stdout.isTTY)"
true
$ node -p -e "Boolean(process.stdout.isTTY)" | cat
false

tty.isatty(fd)#

Returns true or false depending on if the fd is associated with a terminal.

若 fd 关联于中端则返回 true，反之返回 false。

tty.setRawMode(mode)#

Deprecated. Use tty.ReadStream#setRawMode() (i.e. process.stdin.setRawMode()) instead.

已废弃，请使用 tty.ReadStream#setRawMode()（如 process.stdin.setRawMode()）。

类: ReadStream#

A net.Socket subclass that represents the readable portion of a tty. In normal circumstances, process.stdin will be the only tty.ReadStream instance in any node program (only when isatty(0) is true).

一个 net.Socket 子类，代表 TTY 的可读部分。通常情况下在所有 node 程序中 process.stdin 会是仅有的 tty.ReadStream 实例（进当 isatty(0) 为 true 时）。

rs.isRaw#

A Boolean that is initialized to false. It represents the current "raw" state of the tty.ReadStream instance.

一个 Boolean，初始为 false，代表 tty.ReadStream 实例的当前 "raw" 状态。

rs.setRawMode(mode)#

mode should be true or false. This sets the properties of the tty.ReadStream to act either as a raw device or default. isRaw will be set to the resulting mode.

mode 可以是 true 或 false。它设定 tty.ReadStream 的属性表现为原始设备或缺省。isRaw 会被设置为结果模式。

类: WriteStream#

A net.Socket subclass that represents the writable portion of a tty. In normal circumstances, process.stdout will be the only tty.WriteStream instance ever created (and only when isatty(1) is true).

一个 net.Socket 子类，代表 TTY 的可写部分。通常情况下 process.stdout 会是仅有的 tty.WriteStream 实例（进当 isatty(1) 为 true 时）。

ws.columns#

A Number that gives the number of columns the TTY currently has. This property gets updated on "resize" events.

一个 `Number，表示 TTY 当前的列数。该属性会在 "resize" 事件中被更新。

ws.rows#

A Number that gives the number of rows the TTY currently has. This property gets updated on "resize" events.

一个 `Number，表示 TTY 当前的行数。该属性会在 "resize" 事件中被更新。

事件: 'resize'#

function () {}

Emitted by refreshSize() when either of the columns or rows properties has changed.

由 refreshSize() 在 columns 或 rows 属性被改变时触发。

process.stdout.on('resize', function() {
  console.log('screen size has changed!');
  console.log(process.stdout.columns + 'x' + process.stdout.rows);
});


process.stdout.on('resize', function() {
  console.log('屏幕大小已改变！');
  console.log(process.stdout.columns + 'x' + process.stdout.rows);
});

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