//分享到腾讯微博
function sharetoqq(content, url, picurl) {
    var pic;
    if (picurl && picurl.indexOf("http") < 0) {
        pic = hostUrl() + picurl;
    }
    else { pic = picurl; }
    var shareqqstring = 'http://v.t.qq.com/share/share.php?title=' + content + '&url=' + encodeURIComponent(url) + '&pic=' + pic;
    window.open(shareqqstring, 'newwindow', 'height=400,width=600,top=100,left=200');
}
//分享到新浪微博
function sharetosina(title, url, picurl) {
    var pic;
    if (picurl && picurl.indexOf("http") < 0) {
        pic = hostUrl() + picurl;
    }
    else { pic = picurl; }
    var sharesinastring = 'http://v.t.sina.com.cn/share/share.php?title=' + title + '&url=' + url + '&content=utf-8&sourceUrl=' + encodeURIComponent(url) + '&pic=' + pic;
    window.open(sharesinastring, 'newwindow', 'height=400,width=600,top=100,left=200');
}
//分享到QQ空间
function sharetoqqzone(title, url, picurl, des) {
    var pic;
    if (picurl && picurl.indexOf("http") < 0) {
        pic = hostUrl() + picurl;
    }
    else { pic = picurl; }
    var shareqqzonestring = 'http://sns.qzone.qq.com/cgi-bin/qzshare/cgi_qzshare_onekey?title=' + title + '&url=' + encodeURIComponent(url) + '&pics=' + pic + '&summary=' + des;
    window.open(shareqqzonestring, 'newwindow', 'height=400,width=600,top=100,left=200');
}
//分享到QQ
function sharetoqq(title, url, picurl, des) {
    var pic;
    if (picurl && picurl.indexOf("http") < 0) {
        pic = hostUrl() + picurl;
    }
    else { pic = picurl;}
    var shareqqzonestring = 'http://connect.qq.com/widget/shareqq/index.html?title=' + title + '&url=' + encodeURIComponent(url) + '&pics=' + pic + '&summary=' + des;
    window.open(shareqqzonestring, 'newwindow', 'height=400,width=600,top=100,left=200');
}
//分享到微信
function sharetoweixin(obj, url) {
    $(obj).qrcode({
        text: url, //设置二维码内容
        render: "table", //设置渲染方式
        width: 100, //设置宽度,默认生成的二维码大小是 256×256
        height: 100, //设置高度
        typeNumber: -1, //计算模式
        background: "#ffffff", //背景颜色
        foreground: "#000000" //前景颜色
    });
}
function hostUrl() {
    var port = location.port;
    var protocol = location.protocol + "//";
    var hostUrl;
    if (port == 80) {
        hostUrl = protocol + hostname;
    } else {
        hostUrl = protocol + location.host;
    }

    return hostUrl;
}