book_admin/public/assets/js/frontend/recently.js

// JavaScript Document
var removeBook = true;

$(function(){
    //编辑最近阅读
    $('.r_img_edit_open').click(function(){
        $('.r_img_list_box').addClass('r_img_list_edit');
    });

    //取消编辑最近阅读
    $('.r_img_edit_close').click(function(){
        $('.r_img_list_box').removeClass('r_img_list_edit');
    });

    //选中要删除的book
    $('.r_img_list_box').on('click','.r_img_list_edit .r_img_ul a',function(e){
        var $this=$(this),booknum=0;
        $this.toggleClass('r_img_remove_select');
        booknum=$('.r_img_remove_select').length;
        $('.r_book_num .select_num span').text(booknum);
        if(booknum<=0){
            $('.r_img_list_box').removeClass('r_img_list_edit_remove');
        }else{
            $('.r_img_list_box').addClass('r_img_list_edit_remove');
        }

        //不要删 阻止点击a标签跳转
        e.stopPropagation();
        return false;
    });

    //确认删除最近阅读
    $('.r_img_edit_remove').click(function(){
        var orma = $('.r_img_remove_select');
        var armbid = [];
        var allblen = parseInt($('.r_book_num strong').attr('totalnum'));
        var ntotalnum = allblen - orma.length;
        for(var i=0; i<orma.length; i++){
            armbid.push($('.r_img_remove_select').eq(i).parent().attr('recentid')+'_'+$('.r_img_remove_select').eq(i).parent().attr('sbid'));
        }
        if(armbid.length <= 0){
            return false;
        }
        armbid=JSON.stringify(armbid);
        if(removeBook){
            removeBook = false;
            $.ajax({
                type: 'post',
                url: '/api/user/delRecently',
                timeout: 10000,
                cache: false,
                data: {
                    bookIds:armbid
                },
                success: function (data) {
                    removeBook = true;
                    if(data.err==0){
                        $('.r_img_remove_select').parent().remove();
                        //删除完成显示取消按钮
                        $('.r_img_list_box').removeClass('r_img_list_edit_remove');

                        //选中删除的多少本
                        $('.r_book_num em').text('已选中0本');
                        //共多少本
                        $('.r_book_num strong').text('共' + data.totalNum + '本');
                        $('.r_book_num strong').attr('totalnum',data.totalNum);

                        //删除成功请求下一页
                        if(sBookstop){
                            bookstoptime();
                            loadingList();
                        }
                        //小于4本 显示为你推荐
                        if(data.totalNum<4){
                            $('.r_img_list_other').show();
                        }
                        if(data.totalNum<=0){
                            $('.r_img_list_box').remove();
                            $('.content_null_box').show();
                        }
                        consoleMain('删除成功');

                    }else{
                        consoleMain('删除失败,请稍后重试');
                    }
                },
                error: function (XMLHttpRequest, textStatus, errorThrown) {
                    consoleMain('删除失败,请稍后重试');
                    removeBook = true;
                }
            });
        }

    });

    scroll(function(direction) {
        if(direction=='down'){
            $('body').removeClass('fixednav');
        }else{
            if(afterScrollTop>100) {
                $('body').addClass('fixednav');
            }else{
                $('body').removeClass('fixednav');
            }
        }
    });

})


//滚动滚轮
var afterScrollTop=0;
function scroll( fn ) {
    var beforeScrollTop = $(window).scrollTop(),
        fn = fn || function() {};
    $(window).scroll(function() {
        afterScrollTop = $(window).scrollTop();
        var delta = afterScrollTop - beforeScrollTop;
        if( delta === 0 ) return false;
        fn( delta > 0 ? "down" : "up" );
        beforeScrollTop = afterScrollTop;
    });
}