acerbic coffee
走自己的路,让别人跑步
posts - 26,comments - 14,trackbacks - 0
代码如下:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>

<body>


<SCRIPT language=javascript>
<!--

document.body.onload
=adddiv;
document.onmousedown
=recordobj;
document.ondblclick
=dbclick;
document.onmouseup
=showselect;
var starobj,isdb=false,allow=true;

function isallow()
{
if(allow){
allow
=false;
alert('is closed');
}

else{
allow
=true;
alert('is opend');
}


}


function dbclick()
{
isdb
=true;
}

function recordobj()
{
starobj
=event.srcElement;
}

function showselect() {
var str="";
if(event.srcElement.tagName!="A"&&event.srcElement.tagName!="INPUT"&&event.srcElement==starobj&&!isdb&&allow)
{
var oText=document.selection.createRange();

if(oText.text.length>0)
{
str
=oText.text;
oText.text
=""+oText.text+"";
}



oText.select();
event.srcElement.innerHTML
=event.srcElement.innerHTML.replace("","<u style='FONT-WEIGHT: bold;COLOR: #ff3366'>").replace("","</u>");

}


searchgoogle(str)
isdb
=false;
}


function searchgoogle(str)
{
var obj=document.getElementById("searchgoogle");
if(str.length>0)
{
obj.style.display
="block";
obj.style.position
="absolute";
obj.style.zindex
=999;
obj.style.posTop
=document.body.scrollTop+event.y-25;
obj.style.posLeft
=document.body.scrollLeft+event.x+5;
obj.style.widht
=80;
obj.innerHTML
="<a target=_blank href=http://www.google.com/search?ie=UTF-8&oe=UTF-8&q="+str+" style='BORDER-RIGHT: royalblue thin solid; BORDER-TOP: royalblue thin solid; FONT-WEIGHT: bold; BORDER-LEFT: royalblue thin solid; CLIP: rect(auto auto auto auto); COLOR: #ffffff; BORDER-BOTTOM: royalblue thin solid; BACKGROUND-COLOR: inactivecaption; TEXT-DECORATION: none'>Search It!</a>";

}

else
{
obj.style.display
="none";
}

}


function adddiv()
{
var mobj = document.createElement("div");

mobj.id
="searchgoogle";

document.body.appendChild(mobj);
}


//-->
</SCRIPT>
<INPUT type="button" onclick="isallow()" value="关闭/打开划词功能">
<p>qrasfdasfasfdasfsafasdfsafsafasdfasdfasd</p>
</body>
</html>


功能:用鼠标选择内容,则所选字体变色,并打开关闭划词功能,可连接goole搜索
posted on 2006-11-09 12:01 acerbic coffee 阅读(411) 评论(0)  编辑  收藏

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