function shareApi(target, img, content, url) { switch (target) { case 0: return "http://v.t.sina.com.cn/share/share.php?pic=" + img + "&title=" + content + "&url=" + url + "&rcontent="; case 1: return "http://v.t.qq.com/share/share.php?title=" + content + "&pic=" + img + "&url=" + url; case 2: return "http://sns.qzone.qq.com/cgi-bin/qzshare/cgi_qzshare_onekey?title=" + content + "&pics=" + img + "&url=" + url; case 3: return "http://share.renren.com/share/buttonshare.do?title=" + content + "&link=" + url + "&rcontent="; case 4: return "http://www.kaixin001.com/repaste/share...