在comments.php適當(dāng)位置添加如下代碼即可：

document.getElementById("comment").onkeydown = function (moz_ev)
{
var ev = null;
if (window.event){
        ev = window.event;
    }else{
        ev = moz_ev;
    }
if (ev != null && ev.ctrlKey && ev.keyCode == 13)
    {
        document.getElementById("subm