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js屏蔽浏览器右键菜单,粘贴,复制,剪切,选中(转)

2016-08-02 12:01 751 查看
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js屏蔽浏览器右键菜单,粘贴,复制,剪切,选中</title>
<meta name="description" content="js代码制作屏蔽浏览器右键菜单,屏蔽浏览器粘贴,屏蔽浏览器复制,屏蔽浏览器剪切,屏蔽浏览器选中,不会屏蔽搜索引擎蜘蛛抓取页面,不影响seo优化。可以设置网页内容代码不被用户随意下载等。" />
</head>

<body>

<script type="text/javascript">
//屏蔽右键菜单
document.oncontextmenu = function (event){
if(window.event){
event = window.event;
}try{
var the = event.srcElement;
if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")){
return false;
}
return true;
}catch (e){
return false;
}
}

//屏蔽粘贴
document.onpaste = function (event){
if(window.event){
event = window.event;
}try{
var the = event.srcElement;
if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")){
return false;
}
return true;
}catch (e){
return false;
}
}

//屏蔽复制
document.oncopy = function (event){
if(window.event){
event = window.event;
}try{
var the = event.srcElement;
if(!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")){
return false;
}
return true;
}catch (e){
return false;
}
}

//屏蔽剪切
document.oncut = function (event){
if(window.event){
event = window.event;
}try{
var the = event.srcElement;
if(!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")){
return false;
}
return true;
}catch (e){
return false;
}
}

//屏蔽选中
document.onselectstart = function (event){
if(window.event){
event = window.event;
}try{
var the = event.srcElement;
if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")){
return false;
}
return true;
} catch (e) {
return false;
}
}
</script>

<div style="width:600px;margin:40px auto;text-align:center;border:solid 1px #FFCA52;background:#FFFDD2;height:28px;line-height:28px;font-size:14px;padding:5px 10px;color:#ff0000;font-weight:800;">单页禁用右键菜单、粘贴、复制、剪切、选中操作</div>
test
</body>
</html>
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