选中文字分享到自己的新浪微博

分享到新浪账号
<!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>分享到新浪账号</title>
<style>
.img_sina_share{display:none; position:absolute; cursor:pointer;}
</style>
</head>
<body>
<div>
    <h1>页面选中文字分享到新浪微博</h1>
    <div id="body" class="light">
        <div id="content" class="show">
            <div class="demo">
                <div id="testContent" class="f14">
                    <p>
                    鼠标划过去可以把你所选中的文字分享到自己的新浪微博账号</p>                       
                </div>
                <img id="imgSinaShare" class="img_sina_share" title="将选中内容分享到新浪微博" src="http://simg.sinajs.cn/blog7style/images/common/share.gif" />
            </div>
        </div>       
    </div>
</div>
<script>
var eleImgShare = document.getElementById("imgSinaShare");

var $sinaMiniBlogShare = function(eleShare, eleContainer) {
    var eleTitle = document.getElementsByTagName("title")[0];
    eleContainer = eleContainer || document;
    var funGetSelectTxt = function() {
        var txt = "";
        if(document.selection) {
            txt = document.selection.createRange().text;    // IE
        } else {
            txt = document.getSelection();
        }
        return txt.toString();
    };
    eleContainer.onmouseup = function(e) {
        e = e || window.event;
        var txt = funGetSelectTxt(), sh = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0;
         var left = (e.clientX - 40 < 0) ? e.clientX + 20 : e.clientX - 40, top = (e.clientY - 40 < 0) ? e.clientY + sh + 20 : e.clientY + sh - 40;//新浪logo浮出的位置
        if (txt) {
            eleShare.style.display = "inline";
            eleShare.style.left = left + "px";
            eleShare.style.top = top + "px";
        } else {
            eleShare.style.display = "none";
        }
    };
    eleShare.onclick = function() {
        var txt = funGetSelectTxt(), title = (eleTitle && eleTitle.innerHTML)? eleTitle.innerHTML : "未命名页面";
        if (txt) {
            window.open('http://v.t.sina.com.cn/share/share.php?title=' + txt + '→来自页面"' + title + '"的文字片段&url=' + window.location.href);   
        }
    };
}(eleImgShare);
</script>

</body>
</html>