html怎么不可以使用右键,在html中怎样设置让文本框不能粘贴,包括鼠标右键粘贴也不可以。...

功能：禁止右键、禁选择、禁粘贴、禁shift、禁ctrl、禁altscript language=JavaScript

!--

function key(){

if(event.shiftKey){

window.close();}

//禁止Shift

if(event.altKey){

window.close();}

//禁止Alt

if(event.ctrlKey){

window.close();}

//禁止Ctrl

return false;}

document.onkeydown=key;

if (window.Event)

document.captureEvents(Event.MOUSEUP);

function nocontextmenu(){

event.cancelBubble = true

event.returnValue = false;

return false;}

function norightclick(e){

if (window.Event){

if (e.which == 2 || e.which == 3)

return false;}

else

if (event.button == 2 || event.button == 3){

event.cancelBubble = true

event.returnValue = false;

return false;}

}

//禁右键

document.oncontextmenu = nocontextmenu; // for IE5+

document.onmousedown = norightclick; // for all others

//--

/script

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