jQuery插件之微信分享

; (function ($) {
    $.fn.extend({
        "weixinShare": function (options) {

            var firstImg = $("img:first");
            var firstLink = window.location.href;
            var firstTitle = $("title").html();

            options = $.extend({
                img_width: firstImg.height() || "200",//宽
                img_height: firstImg.width() || "200",//高
                imgUrl: firstLink,
                lineLink: firstLink,
                shareTitle: firstTitle,
                descContent: firstTitle,
                appid: "aaaaaaaaaaaaaaaaaa",
                shareFriend: true,
                shareTimeline: true,
                shareWeibo: true,
                success: function () { return true; },
                err: function () { return false; }
            }, options);

            var datas = {
                "appid": options.appid,
                "img_url": options.imgUrl,
                "img_width": options.img_width,
                "img_height": options.img_height,
                "link": options.lineLink,
                "desc": options.descContent,
                "title": options.shareTitle
            };

            document.addEventListener(‘WeixinJSBridgeReady‘, function onBridgeReady() {
                // 发送给好友
                WeixinJSBridge.on(‘menu:share:appmessage‘, function (argv) {
                    if (options.shareFriend) shareOptions(‘appmessage‘);
                });
                // 分享到朋友圈
                WeixinJSBridge.on(‘menu:share:timeline‘, function (argv) {
                    if (options.shareTimeline) shareOptions(‘timeline‘);
                });
                //绑定‘分享到微博’按钮
                WeixinJSBridge.on(‘menu:share:weibo‘, function (argv) {
                    if (options.shareWeibo) shareOptions(‘weibo‘);
                });
            }, false);

            function shareOptions(shareType) {
                var inVokeType;
                switch (shareType) {
                    case "appmessage": inVokeType = ‘sendAppMessage‘; break;
                    case "timeline": inVokeType = ‘shareTimeline‘; break;
                    case "weibo": inVokeType = ‘shareWeibo‘; break;
                }
                share(inVokeType);
            }

            function share(inVokeType) {
                WeixinJSBridge.invoke(inVokeType, datas, function (res) {
                    executeFun(res);
                })
            }

            function executeFun(res) {
                if (res.err_msg.indexOf(‘confirm‘) > -1 || res.err_msg.indexOf(‘ok‘) > -1) options.success.apply();
                else options.err.apply();
            }
        }
    });
})(jQuery);