<li class="bottomIcon_5 shareSina"><a href="javascript:;" rel="external nofollow" target="_blank"></a><div class="shareTxt">微博</div></li>

// 微博分享
      $('.shareSina').on('click', function () {
        window.sharetitle = $(".print-tit").html();//分享的標題
        window.shareUrl = $(".myShare img").attr('src');//分享顯示的圖片
        share();
      })
      function share() {
        (function(s, d, e) {
          try {} catch (e) {}
          var f = 'http://v.t.sina.com.cn/share/share.php?',
            u = window.location.href,
            p = ['url=', e(u), '&title=分享的名稱', '&pic=', e(window.shareUrl)].join('');
      
          function a() {
            if (!window.open([f, p].join(''), 'mb', ['toolbar=0,status=0,resizable=1,width=620,height=450,left=', (s.width - 620) / 2, ',top=', (s.height - 450) / 2].join(''))) u.href = [f, p].join('');
          };
          if (/Firefox/.test(navigator.userAgent)) { setTimeout(a, 0) } else { a() }
        })(screen, document, encodeURIComponent);
      }