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网上流传的Js版划词搜索代码浏览器兼容上有问题，经过两天的改写终于做出可兼容非IE的版本.
JS代码
默认搜索引擎为:google
转自: js中国
/thread-2-1-1.html
<!--
if(navigator.appName=="MicrosoftInternetExplorer"){
document.body.onload=adddiv;
document.onmousedown=recordobj;
document.ondblclick=dbclick;
document.onmouseup=showselect;
}else
{
//firefox
window.onload=adddiv();
window.onmousedown=recordobj;
window.ondblclick=dbclick();
window.onmouseup=showselect;
}
///
varstarobj,
isdb=false,
allow=true;
///
functionisallow()
{
if(allow){
allow=false;
alert('isclosed');
}
else{
allow=true;
alert('isopend');
}
}
////
functiondbclick()
{
isdb=true;
}
/////
//functionrecordobj(evt)
//{
//starobj=event.srcElement;//IE
//starobj=evt.target
//}
functionrecordobj(evt){
evt=(evt)?evt:((window.event)?window.event:"")
if(evt){
starobj=(evt.target)?evt.target:evt.srcElement
}
//starobj=evt.srcElement;
}
////
functionshowselect(evt){
//test
varobj;
varstrlen;
evt=(evt)?evt:((window.event)?window.event:"")
if(evt){
if(evt.target)
{
obj=evt.target;
strlen=window.getSelection().toString();
}
else
{
obj=event.srcElement;
strlen=document.selection.createRange().text;
}
}
//test
varstr="";
if(obj.tagName!="A"&&obj.tagName!="INPUT"&&obj==starobj&&!isdb&&allow)
{
//varoText=document.selection.createRange();//IE
//alert(window.getSelection());
//alert(window.getSelection().toString().length);
//if(window.getSelection().length>0)//错误写法
////
//if(window.getSelection().toString().length>0)
if(strlen.length>0)
{
//alert("ddd"+window.getSelection().boundingWidth());
//alert("dddddddddddddddddddd000");
str=strlen;
//oText.text="BuB"+oText.text+"EuE";
}
//oText.select();
//window.getSelection.select()
}
//alert("自负"+str);
searchgoogle(str,evt);
isdb=false;
}
//
functionsearchgoogle(str,evt)
{
varobj=document.getElementById("searchgoogle");
//alert("长度"+str.toString().length);
if(str.toString().length>0)
{
//alert("tongguo");
//alert(obj);
obj.style.display="block";
obj.style.position="absolute";
obj.style.zindex=999;
//alert("y"+evt.clientY+"X"+evt.clientX);
//
//alert(document.body.scrollTop.toString());
//alert("new"+document.documentElement.scrollTop.toString());
//
if(navigator.appName=="MicrosoftInternetExplorer")
{
obj.style.widht=80;
obj.style.posTop=document.body.scrollTop+event.y-25;
obj.style.posLeft=document.body.scrollLeft+event.x+5;
}
else
{
obj.style.width="100px";
obj.style.top=evt.pageY-25;
obj.style.left=evt.pageX+5;
}
obj.innerHTML="<atarget=_blankhref=/search?ie=UTF-8&oe=UTF-8&q="+encodeURI(str)+"style='BORDER-RIGHT:royalbluethinsolid;BORDER-TOP:royalbluethinsolid;FONT-WEIGHT:bold;BORDER-LEFT:royalbluethinsolid;CLIP:rect(autoautoautoauto);COLOR:#ffffff;BORDER-BOTTOM:royalbluethinsolid;BACKGROUND-COLOR:inactivecaption;TEXT-DECORATION:none'>SearchIt！</a>";
}
else
{
obj.style.display="none";
}
}
///
functionadddiv()
{
varmobj=document.createElement("div");
mobj.id="searchgoogle";
document.body.appendChild(mobj);
}
//--> 直接在html页面中调用即可实现网页划词搜索功能.
