book_admin/public/assets/js/frontend/back.js

//微信回退事件的监听
var listenerBackHandler = {
    param: {
        isRun: false,
    },
    listenerBack: function () {
        var state = {
            title: "title",
            url: "#"
        };
        window.history.pushState(state, "title", "#");
        window.addEventListener("popstate", function (e) {
            if (listenerBackHandler.param.isRun) {
                if (window.location.pathname === '/index/book/chapter') {
                    $.fn.cookie('back', 'read', {path: '/'});
                    $.fn.cookie('pre_chapter_idx', window.map.chapter_idx, {path: '/'});
                }
                listenerBackHandler.param.isRun = false;
                cpslog([703, {}, 'back'], function () {
                    if (window.history.length <= 2) {
                        WeixinJSBridge.call('closeWindow');
                    }else{
                        window.history.go(-2);
                    }
                });
            }
        },false);
    },
    initBack: function () {
        window.addEventListener('pageshow', function () {
            if ($('.return_popup_box').length > 0) {
                if ($.fn.cookie('back') === 'read' && !$.fn.cookie('return_close_but') && window.history.length > 1) {
                    $.ajax({
                        url:'/index/book/getreturnchapterbook',
                        xhrFields: {
                            withCredentials: true
                        },
                        type:'post',
                        success:function(result){
                            if (result.data) {
                                $('.return_box div a').attr('href', result.data.url).attr('data-book_id', result.data.id);
                                $('.return_tit a').text(result.data.name);
                                $('.return_p a').text(result.data.description);
                                $('.return_img img').attr('src', result.data.image);
                                $('.return_popup_box').removeClass('hide');
                                cpslog([701, {map: {pre_chapter_idx: $.fn.cookie('pre_chapter_idx')}}])
                            }
                        },
                        error:function(){
                            console.log('error');
                        }
                    })
                }else{
                    $('.return_popup_box').addClass('hide');
                }
            }
            $.fn.cookie('back', '', {path: '/'});
            listenerBackHandler.param.isRun = false;
            setTimeout(function () { listenerBackHandler.param.isRun = true; }, 600); //延迟1秒 防止微信返回立即执行popstate事件
            listenerBackHandler.listenerBack();
        });
    }
}

$(function () {
    listenerBackHandler.initBack();

    $('.return_close_but').click(function () {
        $.fn.cookie('return_close_but', 1, {expires: 0.33, path: '/'});
        $('.return_popup_box').addClass('hide');
    });
    $('.url_link').click(function () {
        $.fn.cookie('return_close_but', 1, {expires: 0.33, path: '/'});
        $('.return_popup_box').addClass('hide');
        cpslog([702, {
            map: {
                box_book_id: commont.getQueryString('book_id'),
                pre_chapter_idx: $.fn.cookie('pre_chapter_idx')
            }
        }, 'return_link']);
    });
});