Merge pull request #2762 from GoooIce/master

Add docs-translations\api\ global-shortcut.md and accelerator.md for zh-CN

docs-translations/zh-CN/api/accelerator.md

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+# Accelerator
+
+An accelerator is a string that represents a keyboard shortcut. It can contain
+multiple modifiers and key codes, combined by the `+` character.
+
+Examples:
+
+* `Command+A`
+* `Ctrl+Shift+Z`
+
+## Platform notice
+
+On Linux and Windows, the `Command` key does not have any effect so
+use `CommandOrControl` which represents `Command` on OS X and `Control` on
+Linux and Windows to define some accelerators.
+
+The `Super` key is mapped to the `Windows` key on Windows and Linux and
+`Cmd` on OS X.
+
+## Available modifiers
+
+* `Command` (or `Cmd` for short)
+* `Control` (or `Ctrl` for short)
+* `CommandOrControl` (or `CmdOrCtrl` for short)
+* `Alt`
+* `Shift`
+* `Super`
+
+## Available key codes
+
+* `0` to `9`
+* `A` to `Z`
+* `F1` to `F24`
+* Punctuations like `~`, `!`, `@`, `#`, `$`, etc.
+* `Plus`
+* `Space`
+* `Backspace`
+* `Delete`
+* `Insert`
+* `Return` (or `Enter` as alias)
+* `Up`, `Down`, `Left` and `Right`
+* `Home` and `End`
+* `PageUp` and `PageDown`
+* `Escape` (or `Esc` for short)
+* `VolumeUp`, `VolumeDown` and `VolumeMute`
+* `MediaNextTrack`, `MediaPreviousTrack`, `MediaStop` and `MediaPlayPause`

docs-translations/zh-CN/api/global-shortcut.md

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+# global-shortcut
+
+`global-shortcut` 模块可以便捷的为您设置(注册/注销)各种自定义操作的快捷键.
+
+**Note**: 使用此模块注册的快捷键是系统全局的(QQ截图那种), 不要在应用模块(app module)响应 `ready`
+消息前使用此模块(注册快捷键).
+
+```javascript
+var app = require('app');
+var globalShortcut = require('global-shortcut');
+
+app.on('ready', function() {
+  // Register a 'ctrl+x' shortcut listener.
+  var ret = globalShortcut.register('ctrl+x', function() {
+    console.log('ctrl+x is pressed');
+  })
+
+  if (!ret) {
+    console.log('registration failed');
+  }
+
+  // Check whether a shortcut is registered.
+  console.log(globalShortcut.isRegistered('ctrl+x'));
+});
+
+app.on('will-quit', function() {
+  // Unregister a shortcut.
+  globalShortcut.unregister('ctrl+x');
+
+  // Unregister all shortcuts.
+  globalShortcut.unregisterAll();
+});
+```
+
+## Methods
+
+`global-shortcut` 模块包含以下函数:
+
+### `globalShortcut.register(accelerator, callback)`
+
+* `accelerator` [Accelerator](accelerator.md)
+* `callback` Function
+
+注册 `accelerator` 快捷键. 当用户按下注册的快捷键时将会调用 `callback` 函数.
+
+### `globalShortcut.isRegistered(accelerator)`
+
+* `accelerator` [Accelerator](accelerator.md)
+
+查询 `accelerator` 快捷键是否已经被注册过了,将会返回 `true`(已被注册) 或 `false`(未注册).
+
+### `globalShortcut.unregister(accelerator)`
+
+* `accelerator` [Accelerator](accelerator.md)
+
+注销全局快捷键 `accelerator`.
+
+### `globalShortcut.unregisterAll()`
+
+注销本应用注册的所有全局快捷键.