//指定位置驻入节点

$(‘<img id=”imgSinaShare” class=”img_share” title=”将选中内容分享到新浪微博” src=”1328255868614.gif” /><img id=”imgQqShare” class=”img_share” title=”将选中内容分享到腾讯微博” src=”/1328255868314.png” />’).appendTo(‘body’);

//默认样式

$(‘.img_share’).css({

display : ‘none’,

position : ‘absolute’,

cursor : ‘pointer’

});

//选中文字

var funGetSelectTxt = function() {

var txt = ”;

if(document.selection) {

txt = document.selection.createRange().text;

} else {

txt = document.getSelection();

}

return txt.toString();

};

//选中文字后显示微博图标

$(‘html,body’).mouseup(function(e) {

if (e.target.id == ‘imgSinaShare’ || e.target.id == ‘imgQqShare’) {

return

}

e = e || window.event;

var txt = funGetSelectTxt(),

sh = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0,

left = (e.clientX – 40 < 0) ? e.clientX + 20 : e.clientX – 40,

top = (e.clientY – 40 < 0) ? e.clientY + sh + 20 : e.clientY + sh – 40;

if (txt) {

$(‘#imgSinaShare’).css({

display : ‘inline’,

left : left,

top : top

});

$(‘#imgQqShare’).css({

display : ‘inline’,

left : left + 30,

top : top

});

} else {

$(‘#imgSinaShare’).css(‘display’, ‘none’);

$(‘#imgQqShare’).css(‘display’, ‘none’);

}

});

//点击新浪微博

$(‘#imgSinaShare’).click(function() {

var txt = funGetSelectTxt(), title = $(‘title’).html();

if (txt) {

window.open(‘http://v.t.sina.com.cn/share/share.php?title=’ + txt + ‘ —— 转载自：’ + title + ‘&url=’ + window.location.href);

}

});

//点击腾讯微博

$(‘#imgQqShare’).click(function() {

var txt = funGetSelectTxt(), title = $(‘title’).html();

if (txt) {

window.open(‘http://v.t.qq.com/share/share.php?title=’ + encodeURIComponent(txt + ‘ —— 转载自：’ + title) + ‘&url=’ + window.location.href);

}

});

}();