# pywinauto.keyboard > 键盘输入仿真模块 > > 通过调用`send_keys`方法自动键入键或单个键操作（即按住，释放）到活动窗口。 > > 您可以使用任何Unicode字符（在Windows上）和下面列出的一些特殊键。 该模块也可在Linux上使用。 > > **可用的按键代码:** > > ~~~ > {SCROLLLOCK}, {VK_SPACE}, {VK_LSHIFT}, {VK_PAUSE}, {VK_MODECHANGE}, > {BACK}, {VK_HOME}, {F23}, {F22}, {F21}, {F20}, {VK_HANGEUL}, {VK_KANJI}, > {VK_RIGHT}, {BS}, {HOME}, {VK_F4}, {VK_ACCEPT}, {VK_F18}, {VK_SNAPSHOT}, > {VK_PA1}, {VK_NONAME}, {VK_LCONTROL}, {ZOOM}, {VK_ATTN}, {VK_F10}, {VK_F22}, > {VK_F23}, {VK_F20}, {VK_F21}, {VK_SCROLL}, {TAB}, {VK_F11}, {VK_END}, > {LEFT}, {VK_UP}, {NUMLOCK}, {VK_APPS}, {PGUP}, {VK_F8}, {VK_CONTROL}, > {VK_LEFT}, {PRTSC}, {VK_NUMPAD4}, {CAPSLOCK}, {VK_CONVERT}, {VK_PROCESSKEY}, > {ENTER}, {VK_SEPARATOR}, {VK_RWIN}, {VK_LMENU}, {VK_NEXT}, {F1}, {F2}, > {F3}, {F4}, {F5}, {F6}, {F7}, {F8}, {F9}, {VK_ADD}, {VK_RCONTROL}, > {VK_RETURN}, {BREAK}, {VK_NUMPAD9}, {VK_NUMPAD8}, {RWIN}, {VK_KANA}, > {PGDN}, {VK_NUMPAD3}, {DEL}, {VK_NUMPAD1}, {VK_NUMPAD0}, {VK_NUMPAD7}, > {VK_NUMPAD6}, {VK_NUMPAD5}, {DELETE}, {VK_PRIOR}, {VK_SUBTRACT}, {HELP}, > {VK_PRINT}, {VK_BACK}, {CAP}, {VK_RBUTTON}, {VK_RSHIFT}, {VK_LWIN}, {DOWN}, > {VK_HELP}, {VK_NONCONVERT}, {BACKSPACE}, {VK_SELECT}, {VK_TAB}, {VK_HANJA}, > {VK_NUMPAD2}, {INSERT}, {VK_F9}, {VK_DECIMAL}, {VK_FINAL}, {VK_EXSEL}, > {RMENU}, {VK_F3}, {VK_F2}, {VK_F1}, {VK_F7}, {VK_F6}, {VK_F5}, {VK_CRSEL}, > {VK_SHIFT}, {VK_EREOF}, {VK_CANCEL}, {VK_DELETE}, {VK_HANGUL}, {VK_MBUTTON}, > {VK_NUMLOCK}, {VK_CLEAR}, {END}, {VK_MENU}, {SPACE}, {BKSP}, {VK_INSERT}, > {F18}, {F19}, {ESC}, {VK_MULTIPLY}, {F12}, {F13}, {F10}, {F11}, {F16}, > {F17}, {F14}, {F15}, {F24}, {RIGHT}, {VK_F24}, {VK_CAPITAL}, {VK_LBUTTON}, > {VK_OEM_CLEAR}, {VK_ESCAPE}, {UP}, {VK_DIVIDE}, {INS}, {VK_JUNJA}, > {VK_F19}, {VK_EXECUTE}, {VK_PLAY}, {VK_RMENU}, {VK_F13}, {VK_F12}, {LWIN}, > {VK_DOWN}, {VK_F17}, {VK_F16}, {VK_F15}, {VK_F14} > ~~~ > > **修饰符:** > > * `'+': {VK_SHIFT}` > * `'^': {VK_CONTROL}` > * `'%': {VK_MENU}` a.k.a. Alt键 > > 示例如何使用修饰符: > > ~~~ > send_keys('^a^c') # 全选（Ctrl + A）并复制到剪贴板（Ctrl + C） > send_keys('+{INS}') # 从剪贴板插入（Shift + Ins） > send_keys('%{F4}') # 使用Alt + F4关闭活动窗口 > ~~~ > > 可以为特殊键指定重复计数。 `{ENTER 2}`表示按两次Enter键。 > > 示例显示如何按住或释放键盘上的按键: > > ~~~ > send_keys("{VK_SHIFT down}" > "pywinauto" > "{VK_SHIFT up}") # to type PYWINAUTO > > send_keys("{h down}" > "{e down}" > "{h up}" > "{e up}" > "llo") # to type hello > ~~~ > > 使用花括号来转义修饰符并将保留符号键入为单个键: > > ~~~ > send_keys('{^}a{^}c{%}') # 键入字符串 "^a^c%" (不会按下Ctrl键) > send_keys('{{}ENTER{}}') # 键入字符串“{ENTER}”而不按Enter键 > ~~~