JS 判断按键,获取按键内容,支持像 Ctrl+Alt+Shift+T 的组合键
<html> <head> </head> <body onkeyup="window.alert(showKeyName(event))"> 按键测试,支持像 Ctrl+Alt+Shift+T 的组合键(注:非浏览器热键) <script type="text/javascript"> function showKeyName(e) { var keyName; switch(e.keyCode) { case 8:keyName = e.keyCode+"[退格]";break; case 9:keyName = e.keyCode+"[Tab]";break; case 13:keyName = e.keyCode+"[Enter]";break; case 16:keyName = e.keyCode+"[Shift]";break; case 17:keyName = e.keyCode+"[Ctrl]";break; case 18:keyName = e.keyCode+"[Alt]";break; case 19:keyName = e.keyCode+"[PauseBreak]";break; case 20:keyName = e.keyCode+"[Caps Lock]";break; case 27:keyName = e.keyCode+"[Esc]";break; case 32:keyName = e.keyCode+"[空格]";break; case 33:keyName = e.keyCode+"[PageUp]";break; case 34:keyName = e.keyCode+"[PageDown]";break; case 35:keyName = e.keyCode+"[End]";break; case 36:keyName = e.keyCode+"[Home]";break; case 37:keyName = e.keyCode+"[方向键左]";break; case 38:keyName = e.keyCode+"[方向键上]";break; case 39:keyName = e.keyCode+"[方向键右]";break; case 40:keyName = e.keyCode+"[方向键下]";break; case 45:keyName = e.keyCode+"[Insert]";break; case 46:keyName = e.keyCode+"[Delete]";break; case 91:keyName = e.keyCode+"[左Win]";break; case 92:keyName = e.keyCode+"[右Win]";break; case 93:keyName = e.keyCode+"[快捷菜单键]";break; case 95:keyName = e.keyCode+"[Sleep]";break; case 96:keyName = e.keyCode+"[小键盘区0]";break; case 97:keyName = e.keyCode+"[小键盘区1]";break; case 98:keyName = e.keyCode+"[小键盘区2]";break; case 99:keyName = e.keyCode+"[小键盘区3]";break; case 100:keyName = e.keyCode+"[小键盘区4]";break; case 101:keyName = e.keyCode+"[小键盘区5]";break; case 102:keyName = e.keyCode+"[小键盘区6]";break; case 103:keyName = e.keyCode+"[小键盘区7]";break; case 104:keyName = e.keyCode+"[小键盘区8]";break; case 105:keyName = e.keyCode+"[小键盘区9]";break; case 106:keyName = e.keyCode+"[*]";break; case 107:keyName = e.keyCode+"[+]";break; case 109:keyName = e.keyCode+"[-]";break; case 110:keyName = e.keyCode+"[.]";break; case 111:keyName = e.keyCode+"[/]";break; case 112:keyName = e.keyCode+"[F1]";break; case 113:keyName = e.keyCode+"[F2]";break; case 114:keyName = e.keyCode+"[F3]";break; case 115:keyName = e.keyCode+"[F4]";break; case 116:keyName = e.keyCode+"[F5]";break; case 117:keyName = e.keyCode+"[F6]";break; case 118:keyName = e.keyCode+"[F7]";break; case 119:keyName = e.keyCode+"[F8]";break; case 120:keyName = e.keyCode+"[F9]";break; case 121:keyName = e.keyCode+"[F10]";break; case 122:keyName = e.keyCode+"[F11]";break; case 123:keyName = e.keyCode+"[F12]";break; case 144:keyName = e.keyCode+"[NumLock]";break; case 145:keyName = e.keyCode+"[ScrollLock]";break; case 186:keyName = e.keyCode+"[;]";break; case 187:keyName = e.keyCode+"[=]";break; case 188:keyName = e.keyCode+"[,]";break; case 189:keyName = e.keyCode+"[-]";break; case 190:keyName = e.keyCode+"[.]";break; case 191:keyName = e.keyCode+"[/]";break; case 192:keyName = e.keyCode+"[`]";break; case 219:keyName = e.keyCode+"[[]";break; case 220:keyName = e.keyCode+"[\\]";break; case 221:keyName = e.keyCode+"[]]";break; case 222:keyName = e.keyCode+"[']";break; //case 255:keyName = e.keyCode+"[Power]";break; case 255:keyName = e.keyCode+"[Wake]";break; default:keyName = e.keyCode+"[" + String.fromCharCode(e.keyCode) + "]";break; } if((e.shiftKey)&&(e.keyCode!=16)){keyName = e.keyCode+"[Shift] + " + keyName;} if((e.altKey)&&(e.keyCode!=18)){keyName = e.keyCode+"[Alt] + " + keyName;} if((e.ctrlKey)&&(e.keyCode!=17)){keyName = e.keyCode+"[Ctrl] + " + keyName;} return keyName; } </script> </body> </html>
posted on 2012-08-28 12:51 TonyCoolZhu 阅读(4679) 评论(0) 编辑 收藏 举报