var loadingState = {
        text:false,
        image:false,
        video:false
    }
    
var httpUrl2 = "https://api.apiopen.top/getJoke"
    var options1 = {
        page:1,
        count:10,
        type:"text"
    }
    var options2 = {
        page:1,
        count:10,
        type:"image"
    }
    var options3 = {
        page:1,
        count:10,
        type:"video"
    }
    
    //在window里獲取不到options,就只能把options放在data對(duì)象里，就能用data['options'+(index+1)]獲取到了
    var data = {
        options1,options2,options3
    }

//請(qǐng)求語句所在
    loadingState.text = true;
    textRender(options1);

//監(jiān)聽要滑動(dòng)容器的滾動(dòng)事件
$('.content').scroll(function(e){
    var index = $(this).index();
    //獲取滾動(dòng)的距離
        var sTop =  $('.content').eq(index).scrollTop();
    //獲取容器的高度
        var contentHeight = $('.content').eq(index).height();
    //獲取滾動(dòng)高度
        var scrollHeight = $('.content').eq(index)[0].scrollHeight;
       //根據(jù)所選的不同options加載不同的內(nèi)容
        if(index==$(this).index()&&loadingState.text!=true)         {
         //判斷是否已經(jīng)滾動(dòng)底
            if((sTop+contentHeight)==scrollHeight){
                //當(dāng)?shù)竭_(dá)底部是加載選項(xiàng)為true,之后的操作
                loadingState.text = true;
                //內(nèi)容緩慢淡出
                $(this).animate({
                    scrollTop:sTop+80
                },1000)
                var options = data['options'+(index+1)];
                //頁數(shù)加一
                options.page += 1;
                //加載新獲取的內(nèi)容
                textRender(options);
            }
        }           
}

//加載實(shí)現(xiàn)函數(shù)
funtion textRender(obj){
    //要添加的內(nèi)容
    if(obj == options1){
            console.log(obj);
            $.get(httpUrl2,obj).then(function(res){            
                res.result.forEach(function(item,i){
                    var html = `
                        <div class="mui-card">
                            <div class="mui-card-header mui-card-media">
                                <img src="${item.header}">
                                <div class="mui-media-body">
                                    ${item.name}
                                    <p>發(fā)表于 ${item.passtime}</p>
                                </div>
                                
                            </div>
                            <div class="mui-card-content">
                                <div class="mui-card-content-inner">
                                    <p>${item.text}</p>
                                </div>
                            </div>
                            <div class="mui-card-footer">
                                <a class="mui-card-link">喜歡</a>
                                <a class="mui-card-link">評(píng)論</a>
                            </div>
                        </div>
                    `
                    $('.content:eq(0)').append(html).css('backgroundImage',"none")
                    loadingState.text = false;
                    $('.loading.text').stop(true).slideUp(2000,function(){
                        $('.loading.text').remove()
                    })
                })
            })
        }
}