引用iscroll的一个封装方法

var Page = function(cid, data,callback) {
var _self = this;
var cid = $(cid);
var currPage=1;
// 下拉上拉加载数据
var myScroll, pullDownEl, pullDownOffset, pullUpEl, pullUpOffset, generatedCount = 0;
this.query = function(curr) {
if(curr){
currPage=curr;
}
data["PAGE_INFO.currentPage"]=currPage;
if(!myScroll){loaded();}
PAjax({
data : data,
success : function(json) {
$('#loading').hide();
if (isEmpty(json.MSG)) {
currPage++;
var list = json.PAGE_LIST;
_self.addBillHtml(list);
myScroll.refresh();
} else {
_alert(json.MSG, "", function() {
var html = '<li class="listCenter">数据加载失败!</li>';
$(cid).append(html);
});
}
}
});
}
this.refresh=function(){
cid.empty();
_self.query(1);
}
this.addBillHtml = function(list) {
if (list && list.length > 0) {
var htmls = [];
$.each(list, function() {
var html = callback(cid, this);
htmls.push(html);
})
cid.append(htmls);
} else {
$("#pullUp").hide();
$(".endList").show();
}
;
myScroll.refresh();
}
this.iScrollClick = function() {
if (/iPhone|iPad|iPod|Macintosh/i.test(navigator.userAgent))
return false;
if (/Chrome/i.test(navigator.userAgent))
return (/Android/i.test(navigator.userAgent));
if (/Silk/i.test(navigator.userAgent))
return false;
if (/Android/i.test(navigator.userAgent)) {
var s = navigator.userAgent.substr(navigator.userAgent
.indexOf('Android') + 8, 3);
return parseFloat(s[0] + s[3]) < 44 ? false : true
}
}

// 初始化iScroll控件
function loaded() {
pullDownEl = document.getElementById('pullDown');
pullDownOffset = pullDownEl.offsetHeight;
pullUpEl = document.getElementById('pullUp');
pullUpOffset = pullUpEl.offsetHeight;
myScroll = new iScroll(
'wrapper',
{
scrollbarClass : 'myScrollbar', /* 重要样式 */
useTransition : false, /* 此属性不知用意，本人从true改为false */
topOffset : pullDownOffset,
onRefresh : function() {
if (pullDownEl.className.match('loading')) {
pullDownEl.className = '';
//pullDownEl.querySelector('.pullDownLabel').innerHTML = '下拉刷新...';
} else if (pullUpEl.className.match('loading')) {
pullUpEl.className = '';
pullUpEl.querySelector('.pullUpLabel').innerHTML = '上拉加载更多...';
}
},
onScrollMove : function() {
/*if (this.y > 5 && !pullDownEl.className.match('flip')) {
pullDownEl.className = 'flip';
pullDownEl.querySelector('.pullDownLabel').innerHTML = '松手开始更新...';
this.minScrollY = 0;
} else if (this.y < 5
&& pullDownEl.className.match('flip')) {
pullDownEl.className = '';
pullDownEl.querySelector('.pullDownLabel').innerHTML = '下拉刷新...';
this.minScrollY = -pullDownOffset;
} else */
if (this.y<0 && this.y < (this.maxScrollY - 5)
&& !pullUpEl.className.match('flip')) {
pullUpEl.className = 'flip';
pullUpEl.querySelector('.pullUpLabel').innerHTML = '释放立即加载...';
this.maxScrollY = this.maxScrollY;
} else if (this.y<0 && this.y > (this.maxScrollY + 5)
&& pullUpEl.className.match('flip')) {
pullUpEl.className = '';
pullUpEl.querySelector('.pullUpLabel').innerHTML = '上拉加载更多...';
this.maxScrollY = pullUpOffset;
}
},
onScrollEnd : function() {
if (pullDownEl.className.match('flip')) {
//pullDownEl.className = 'loading';
// pullDownEl.querySelector('.pullDownLabel').innerHTML = '加载中...';
// pullDownAction(); // Execute custom function
// (ajax call?)
} else if (pullUpEl.className.match('flip')) {
pullUpEl.className = 'loading';
pullUpEl.querySelector('.pullUpLabel').innerHTML = '加载中...';
// pullUpAction(); // Execute custom function (ajax
// call?)
_self.query();
}
}
});

setTimeout(function() {
document.getElementById('wrapper').style.left = '0';
}, 800);
}
// 初始化绑定iScroll控件
/*document.addEventListener('touchmove', function(e) {
e.preventDefault();
}, false);*/
document.addEventListener('DOMContentLoaded', loaded, false);

}

引用

page=new Page(tabs,data,addRow);
page.query();