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javascript实现划词标记+划词搜索功能
以下是引用片段： !DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01Transitional//EN" html head titleUntitledDocument/title metahttp-equiv="Content-Type"content="text/html;charset=gb2312" /head body SCRIPTlanguage=javascript !-- document.body.onload=ad
| 以下是引用片段： <!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="BuB"+oText.text+"EuE"; } oText.select(); event.srcElement.innerHTML=event.srcElement.innerHTML.replace("BuB","<u style='FONT-WEIGHT: bold;COLOR: #ff3366'>").replace("EuE","</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> |
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