function showBannerAd() {
    var bannerAd = api.require('ZJAdSDKModule');
    bannerAd.loadAndShowBannerAd({
        adId: 'J7722563364',
        width:300,
        height:80,
        interval:30,
        fixedOn:api.frameName,
        fixed:false
    },function(ret, err){
        var event = ret.event;
        console.log(event);
        api.toast({
            msg: event
        });
        
        if (event == 'zj_bannerAdViewDidLoad') {
            
        }else if (event == 'zj_bannerAdViewDidLoadFail'){
            
        }else if (event == 'zj_bannerAdViewWillBecomVisible'){
            
        }else if (event == 'zj_bannerAdViewDislike'){
            
        }else if (event == 'zj_bannerAdViewDidClick'){
            
        }else if (event == 'zj_bannerAdViewDidCloseOtherController'){
            
        }
        //zj_bannerAdViewDidLoad banner广告加载成功
        //zj_bannerAdViewDidLoadFail banner广告加载失败
        //zj_bannerAdViewWillBecomVisible banner广告展示
        //zj_bannerAdViewDislike banner广告关闭
        //zj_bannerAdViewDidClick banner广告点击
        //zj_bannerAdViewDidCloseOtherController banner广告关闭详情页
    });
}