JS分享功能(微信，微博，贴吧，豆瓣，人人网，QQ，空间，开心网)

<div class="share-list">
    <ul class="share-container">
        <li>
            <a title="分享到微信" href="javascript:void(0)" class="bds_weixin">
                <img src="http://images.cnblogs.com/cnblogs_com/a-cat/1193051/o_img_wechat.png" />
            </a>
            <div class="wechat-share">
                <img src="http://images.cnblogs.com/cnblogs_com/a-cat/1193051/o_wechart_share.png" />
            </div>
        </li>
        <li>
            <a title="分享到新浪微博" href="javascript:void(0)" class="share_xlwb" onclick="shareToSinaWB(event)">
                <img src="http://images.cnblogs.com/cnblogs_com/a-cat/1193051/o_img_xlwb.png" />
            </a>
        </li>
        <li>
            <a title="分享到百度贴吧" href="javascript:void(0)" class="share_bdtb" onclick="shareToTieba(event)">
                <img src="http://images.cnblogs.com/cnblogs_com/a-cat/1193051/o_img_bdtb.png" />
            </a>
        </li>
        <li>
            <a title="分享到豆瓣" href="javascript:void(0)" class="share_db" onclick="shareToDouban(event)">
                <img src="http://images.cnblogs.com/cnblogs_com/a-cat/1193051/o_img_db.png" />
            </a>
        </li>
        <li>
            <a title="分享到人人网" href="javascript:void(0)" class="share_rrw" onclick="shareToRenren(event)">
                <img src="http://images.cnblogs.com/cnblogs_com/a-cat/1193051/o_img_renren.png" />
            </a>
        </li>
        <li>
            <a title="分享到QQ好友" href="javascript:void(0)" class="share_qq" onclick="shareToqq(event)">
                <img src="http://images.cnblogs.com/cnblogs_com/a-cat/1193051/o_img_qq.png" />
            </a>
        </li>
        <li>
            <a title="分享到QQ空间" href="javascript:void(0)" class="share_qzone" onclick="shareToQzone(event)">
                <img src="http://images.cnblogs.com/cnblogs_com/a-cat/1193051/o_img_zone.png" />
            </a>
        </li>
        <li>
            <a title="分享到开心网" href="javascript:void(0)" class="share_kx" onclick="shareToKaixin(event)">
                <img src="http://images.cnblogs.com/cnblogs_com/a-cat/1193051/o_img_kx.png" />
            </a>
        </li>
    </ul>
</div>

//分享至微信 css控制二维码隐藏和出现
//分享到新浪微博
function shareToSinaWB(event) {
    event.preventDefault();
    var _shareUrl = ‘http://v.t.sina.com.cn/share/share.php?title="123"‘;     //真实的appkey，必选参数
    _shareUrl += ‘&url=‘ + encodeURIComponent(_url || document.location);     //参数url设置分享的内容链接|默认当前页location，可选参数
    _shareUrl += ‘&title=‘ + encodeURIComponent(_title || document.title);    //参数title设置分享的标题|默认当前页标题，可选参数
    _shareUrl += ‘&source=‘ + encodeURIComponent(_source || ‘‘);
    _shareUrl += ‘&sourceUrl=‘ + encodeURIComponent(_sourceUrl || ‘‘);
    _shareUrl += ‘&content=‘ + ‘utf-8‘;   //参数content设置页面编码gb2312|utf-8，可选参数
    _shareUrl += ‘&pic=‘ + encodeURIComponent(_pic || ‘‘);  //参数pic设置图片链接|默认为空，可选参数
    window.open(_shareUrl, ‘_blank‘);
}
//分享到QQ空间
function shareToQzone(event) {
    event.preventDefault();
    var _shareUrl = ‘http://sns.qzone.qq.com/cgi-bin/qzshare/cgi_qzshare_onekey?‘;
    _shareUrl += ‘url=‘ + encodeURIComponent(_url || document.location);   //参数url设置分享的内容链接|默认当前页location
    _shareUrl += ‘&showcount=‘ + _showcount || 0;      //参数showcount是否显示分享总数,显示：‘1‘，不显示：‘0‘，默认不显示
    _shareUrl += ‘&desc=‘ + encodeURIComponent(_desc || ‘分享的描述‘);    //参数desc设置分享的描述，可选参数
    _shareUrl += ‘&summary=‘ + encodeURIComponent(_summary || ‘分享摘要‘);    //参数summary设置分享摘要，可选参数
    _shareUrl += ‘&title=‘ + encodeURIComponent(_title || document.title);    //参数title设置分享标题，可选参数
    _shareUrl += ‘&site=‘ + encodeURIComponent(_site || ‘‘);   //参数site设置分享来源，可选参数
    _shareUrl += ‘&pics=‘ + encodeURIComponent(_pic || ‘‘);   //参数pics设置分享图片的路径，多张图片以＂|＂隔开，可选参数
    window.open(_shareUrl, ‘_blank‘);
}
//分享到百度贴吧
function shareToTieba(event) {
    event.preventDefault();
    var _shareUrl = ‘http://tieba.baidu.com/f/commit/share/openShareApi?‘;
    _shareUrl += ‘title=‘ + encodeURIComponent(_title || document.title);  //分享的标题
    _shareUrl += ‘&url=‘ + encodeURIComponent(_url || document.location);  //分享的链接
    _shareUrl += ‘&pic=‘ + encodeURIComponent(_pic || ‘‘);    //分享的图片
    window.open(_shareUrl, ‘_blank‘);
}
//分享到豆瓣
function shareToDouban(event) {
    event.preventDefault();
    var _shareUrl = ‘http://shuo.douban.com/!service/share?‘;
    _shareUrl += ‘href=‘ + encodeURIComponent(_url || location.href);    //分享的链接
    _shareUrl += ‘&name=‘ + encodeURIComponent(_title || document.title);    //分享的标题
    _shareUrl += ‘&image=‘ + encodeURIComponent(_pic || ‘‘);    //分享的图片
    window.open(_shareUrl, ‘_blank‘);
}
//分享到人人网
function shareToRenren(event) {
    event.preventDefault();
    var _shareUrl = ‘http://widget.renren.com/dialog/share?‘;
    _shareUrl += ‘link=‘ + encodeURIComponent(_url || location.href);   //分享的链接
    _shareUrl += ‘&title=‘ + encodeURIComponent(_title || document.title);     //分享的标题
    window.open(_shareUrl, ‘_blank‘);
}
//分享到qq
function shareToqq(event) {
    event.preventDefault();
    var _shareUrl = ‘https://connect.qq.com/widget/shareqq/iframe_index.html?‘;
    _shareUrl += ‘url=‘ + encodeURIComponent(_url || location.href);   //分享的链接
    _shareUrl += ‘&title=‘ + encodeURIComponent(_title || document.title);     //分享的标题
    window.open(_shareUrl, ‘_blank‘);
}
//分享到开心网
function shareToKaixin(event) {
    event.preventDefault();
    var _shareUrl = ‘http://www.kaixin001.com/rest/records.php?‘;
    _shareUrl += ‘url=‘ + encodeURIComponent(_url || location.href);    //分享的链接
    _shareUrl += ‘&content=‘ + encodeURIComponent(‘分享的文字‘);    //需要分享的文字，当文字为空时，自动抓取分享网址的title
    _shareUrl += ‘&pic=‘ + encodeURIComponent(_pic || ‘‘);     //分享的图片,多个使用半角逗号分隔
    _shareUrl += ‘&showcount=0‘;    //是否显示分享数，显示：‘1‘，不显示：‘0‘
    _shareUrl += ‘&style=11‘;      //显示的样式，必选参数
    _shareUrl += ‘&aid=‘ + encodeURIComponent(_site || ‘‘);    //显示分享来源
    window.open(_shareUrl, ‘_blank‘);
}

.share-container li{
　　position: relative;
　　float: left;
　　width: 23px;
　　height: 23px;
　　margin-left: 5px;
　　margin-top: 20px;
}
.share-container li a{
　　display: inline-block;
　　width: 100%;
　　height: 23px;
}
.share-container li a img{
　　width: 100%;
}
.wechat-share{
　　display: none;
　　position: absolute;
　　top: 100%;
　　left: 0;
　　width: 128px;
　　height: 128px;
　　overflow: hidden;
　　z-index: 9;
}
.bds_weixin:hover ~ .wechat-share{
　　display: block;
}
.wechat-share img{
　　width: 100%;
}