< body oncontextmenu = "return false" onselectstart = "return false" ondragstart = "return false" onbeforecopy = "return false" onmouseup = document .selection.empty() oncopy = document .selection.empty() onselect = document .selection.empty()></ body > |
禁止鼠标右键:oncontextmenu="return false";
禁止选择:onselectstart="return false";
禁止拖放:ondragstart="return false";
禁止拷贝:oncopy=document.selection.empty() 。
禁止保存:<noscript><iframe src="*.htm"></iframe></noscript>,放在head里面。
禁止粘贴:<input type=text onpaste="return false">
关闭输入法:<input style="ime-mode:disabled">
屏蔽鼠标右键:
function document.oncontextmenu(){event.returnValue=false;} |
屏蔽F1帮助:
function window.onhelp(){return false} |
屏蔽其他键:
function document.onkeydown() { if ((window.event.altKey)&& ((window.event.keyCode==37)|| //屏蔽 Alt+ 方向键 ← (window.event.keyCode==39))) //屏蔽 Alt+ 方向键 → { alert("不准你使用ALT+方向键前进或后退网页!"); event.returnValue=false; } /* 注:这还不是真正地屏蔽 Alt+ 方向键, 因为 Alt+ 方向键弹出警告框时,按住 Alt 键不放, 用鼠标点掉警告框,这种屏蔽方法就失效了。以后若 有哪位高手有真正屏蔽 Alt 键的方法,请告知。*/ if ((event.keyCode==8) || //屏蔽退格删除键 (event.keyCode==116)|| //屏蔽 F5 刷新键 (event.ctrlKey && event.keyCode==82)){ //Ctrl + R event.keyCode=0; event.returnValue=false; } if (event.keyCode==122){event.keyCode=0;event.returnValue=false;} //屏蔽F11 if (event.ctrlKey && event.keyCode==78) event.returnValue=false; //屏蔽 Ctrl+n if (event.shiftKey && event.keyCode==121)event.returnValue=false; //屏蔽 shift+F10 if (window.event.srcElement.tagName == "A" && window.event.shiftKey) window.event.returnValue = false; //屏蔽 shift 加鼠标左键新开一网页 if ((window.event.altKey)&&(window.event.keyCode==115)) //屏蔽Alt+F4 { window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px"); return false; } } |
屏蔽打印:
< style > @media print{ * {display:none} } </ style > |
======================另一种处理方法==================
function stop() {
return false;
}
document.oncontextmenu = stop;
var omitformtags = [ "input", "textarea", "select" ]
omitformtags = omitformtags.join("|")
function disableselect(e) {
if (omitformtags.indexOf(e.target.tagName.toLowerCase()) == -1)
return false
}
function reEnable() {
return true
}
if (typeof document.onselectstart != "undefined")
document.onselectstart = new Function("return false")
else {
document.onmousedown = disableselect
document.onmouseup = reEnable
}