$.extend({

    PostSubmitForm: function (url, args) {

        var body = $(document.body),

              form = $("<form method='post' style='display:none'></form>"),

           input;

        form.attr({ "action": url });

        $.each(args, function (key, value) {

            input = $("<input type='hidden'>");

            input.attr({ "name": key });

            input.val(value);

            form.append(input);

        });

        //IE低版本和火狐下

        form.appendTo(document.body);

        form.submit();

        document.body.removeChild(form[0]);

    }

});

//示例
$.PostSubmitForm('url', { data1:'1',data2:'2' })