Informationen zur Verwendung von dropload.js

**基本代码结构**//#content为某个p的id  var dropload = $('#content').dropload({   
//scrollArea很关键，要不然加载更多不起作用  scrollArea : window,  
domUp : {  
    domClass   : 'dropload-up',  
    domRefresh : &#39;<p class="dropload-refresh">↓下拉刷新</p>&#39;,  
    domUpdate  : &#39;<p class="dropload-update">↑释放更新</p>&#39;,  
    domLoad    : &#39;<p class="dropload-load"><span class="loading"></span>加载中...</p>&#39;  },  
domDown : {  
    domClass   : &#39;dropload-down&#39;,  
    domRefresh : &#39;<p class="dropload-refresh">↑上拉加载更多</p>&#39;,  
    domLoad    : &#39;<p class="dropload-load"><span class="loading"></span>加载中...</p>&#39;,  
    domNoData  : &#39;<p class="dropload-noData">暂无数据</p>&#39;  
   },  
loadUpFn : function(me){  
        //下拉刷新需要调用的函数  
        alert("下拉刷新需要调用的函数");  
        //重置下拉刷新  
        me.resetload();      
},  
loadDownFn : function(me){  
        //上拉加载更多需要调用的函数  
        alert("上拉加载更多需要调用的函数");  
        //定时器函数,为了看出上拉加载更多效果  
            setTimeout(function(){  
                // 每次数据加载完，必须重置  
                    me.resetload();  
                },1000);  
           }  
});

<script>$(function(){
    // 页数
    var page = 0;    // 每页展示5个
    var size = 5;    // dropload调用
    $(&#39;.content&#39;).dropload({
        scrollArea : window,
        loadDownFn : function(me){
            page++;            // 拼接HTML
            var result = &#39;&#39;;
            $.ajax({
                type: &#39;GET&#39;,
                url: &#39;http://ons.me/tools/dropload/json.php?page=&#39;+page+&#39;&size=&#39;+size,//配合后台接口
                dataType: &#39;json&#39;,
                success: function(data){
                    var arrLen = data.length;                    
                        if(arrLen > 0){                        
                            for(var i=0; i<arrLen; i++){
                            result +=   &#39;<a class="item opacity" href="&#39;+data[i].link+&#39;">&#39;
                                            +&#39;<img src="&#39;+data[i].pic+&#39;" alt="">&#39;
                                            +&#39;<h3>&#39;+data[i].title+&#39;</h3>&#39;
                                            +&#39;<span class="date">&#39;+data[i].date+&#39;</span>&#39;
                                        +&#39;</a>&#39;;
                        }                    // 如果没有数据
                    }else{                        // 锁定
                        me.lock();                        // 无数据
                        me.noData();
                    }                    // 为了测试，延迟1秒加载
                    setTimeout(function(){
                        // 插入数据到页面，放到最后面
                        $(&#39;.lists&#39;).append(result);                        // 每次数据插入，必须重置
                        me.resetload();
                    },1000);
                },
                error: function(xhr, type){
                    alert(&#39;Ajax error!&#39;);                    // 即使加载出错，也得重置
                    me.resetload();
                }
            });
        }
    });
});</script>

<script>
$(function(){
    // 页数
    var page = 0;    // 每页展示10个
    var size = 10;    // dropload
    $(&#39;.content&#39;).dropload({
        scrollArea : window,
        domUp : {
            domClass   : &#39;dropload-up&#39;,
            domRefresh : &#39;<p class="dropload-refresh">↓下拉刷新-自定义内容</p>&#39;,
            domUpdate  : &#39;<p class="dropload-update">↑释放更新-自定义内容</p>&#39;,
            domLoad    : &#39;<p class="dropload-load"><span class="loading"></span>加载中-自定义内容...</p>&#39;
        },
        domDown : {
            domClass   : &#39;dropload-down&#39;,
            domRefresh : &#39;<p class="dropload-refresh">↑上拉加载更多-自定义内容</p>&#39;,
            domLoad    : &#39;<p class="dropload-load"><span class="loading"></span>加载中-自定义内容...</p>&#39;,
            domNoData  : &#39;<p class="dropload-noData">暂无数据-自定义内容</p>&#39;
        },
        loadUpFn : function(me){
            $.ajax({
                type: &#39;GET&#39;,
                url: &#39;json/update.json&#39;,
                dataType: &#39;json&#39;,
                success: function(data){
                    var result = &#39;&#39;;                    
                    for(var i = 0; i < data.lists.length; i++){
                        result +=   &#39;<a class="item opacity" href="&#39;+data.lists[i].link+&#39;">&#39;
                                        +&#39;<img src="&#39;+data.lists[i].pic+&#39;" alt="">&#39;
                                        +&#39;<h3>&#39;+data.lists[i].title+&#39;</h3>&#39;
                                        +&#39;<span class="date">&#39;+data.lists[i].date+&#39;</span>&#39;
                                    +&#39;</a>&#39;;
                    }                    // 为了测试，延迟1秒加载
                    setTimeout(function(){
                        $(&#39;.lists&#39;).html(result);                        // 每次数据加载完，必须重置
                        me.resetload();                        // 重置页数，重新获取loadDownFn的数据
                        page = 0;                        // 解锁loadDownFn里锁定的情况
                        me.unlock();                        me.noData(false);
                    },1000);
                },
                error: function(xhr, type){
                    alert(&#39;Ajax error!&#39;);                    // 即使加载出错，也得重置
                    me.resetload();
                }
            });
        },
        loadDownFn : function(me){
            page++;            // 拼接HTML
            var result = &#39;&#39;;
            $.ajax({
                type: &#39;GET&#39;,
                url: &#39;http://ons.me/tools/dropload/json.php?page=&#39;+page+&#39;&size=&#39;+size,
                dataType: &#39;json&#39;,
                success: function(data){
                    var arrLen = data.length;                    
                    if(arrLen > 0){                        for(var i=0; i<arrLen; i++){
                            result +=   &#39;<a class="item opacity" href="&#39;+data[i].link+&#39;">&#39;
                                            +&#39;<img src="&#39;+data[i].pic+&#39;" alt="">&#39;
                                            +&#39;<h3>&#39;+data[i].title+&#39;</h3>&#39;
                                            +&#39;<span class="date">&#39;+data[i].date+&#39;</span>&#39;
                                        +&#39;</a>&#39;;
                        }                    // 如果没有数据
                    }else{                        // 锁定
                        me.lock();                        // 无数据
                        me.noData();
                    }                    // 为了测试，延迟1秒加载
                    setTimeout(function(){
                        // 插入数据到页面，放到最后面
                        $(&#39;.lists&#39;).append(result);                        // 每次数据插入，必须重置
                        me.resetload();
                    },1000);
                },
                error: function(xhr, type){
                    alert(&#39;Ajax error!&#39;);                    // 即使加载出错，也得重置
                    me.resetload();
                }
            });
        },
        threshold : 50
    });
});
</script>