按键动作 [英] action by key press

问题描述

我正在设计一个基于网络的会计软件。每当用户按 N 键时，我想打开新会计凭证。每当他/她按 S 键时打开设置。

I'm designing a web based accounting software. I would like to open the "new accounting document" whenever the user press N key for example. And open "settings" whenever he/she is pressing S key.

我看到一些基于JavaScript和jQuery的脚本。但他们并没有完全奏效。有人可以帮我吗？

I saw some scripts based on JavaScript and jQuery. But they did not work exactly. Can anyone help me please ?

我试过这个剧本：

var code = (e.keyCode ? e.keyCode : e.which);
if(code == 13) { //Enter keycode
   //Do something
}

推荐答案

$(document).bind('keyup', function(e){
    if(e.which==78) {
      // "n"
    }
    if(e.which==83) {
      // "s"
    }
});

要防止输入聚焦：

$("body").on("focus",":input", function(){ $(document).unbind('keyup'); });
$("body").on("blur",":input", function(){ $(document).bind('keyup', function(e){ etc.... });

您可能想要放置 bind 函数进入它自己的函数，所以你不重复代码。例如：

You might want to put the bind function into its own function so you don't duplicate code. e.g:

function bindKeyup(){
    $(document).bind('keyup', function(e){
      if(e.which==78) {
        // "n"
      }
      if(e.which==83) {
        // "s"
      }
    });
}
$("body").on("focus",":input", function(){ $(document).unbind('keyup'); });
$("body").on("blur",":input", function(){ bindKeyup(); });

这篇关于按键动作的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！