jquery.scrollLoading.js
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$(function() {
function pageCallback (loadObject){
var currDiv = loadObject.obj;
var beforeNum = currDiv.find("[class=pageObject\\.currentPageNum]").val();
if(!beforeNum){
return;
}
var pageclickednumber = 1 + 1*beforeNum;
if(pageclickednumber > currDiv.find("[class=pageObject\\.pageNum]").val()){
return;
}
currDiv.find("[class=pageObject\\.currentPageNum]").val(pageclickednumber);
currDiv.find("[class=pageObject\\.pageClick]").val(1);
currDiv.find("[class=randomNum]").val(Math.random());
currDiv.loading("加载中，请稍后","bottom");
$.ajax({
type : "POST",
url : currDiv.parents("form").attr("action"),
data : currDiv.parents("form").serializeArray(),
dataType : "html",
contentType: "application/x-www-form-urlencoded; charset=utf-8",
success : function(dataResult){
var data = $(dataResult);
var currDivReturn = data.filter("#"+currDiv.attr("id"));
if(currDivReturn.html() == null){
currDivReturn = data.find("#"+currDiv.attr("id"));
}
if(currDivReturn.html()!=null){
currDiv.find("tbody").append(currDivReturn.find("tbody tr"));
currDiv.divInitSet();
} else {
if(data.find("[id=j_username]").html()!=null){
window.location = (context_path == ""?"/":context_path);
} else {
currDiv.find("[class=pageObject\\.currentPageNum]").val(beforeNum);
alert("加载数据失败，请稍后重试。");
}
}
currDiv.loadhide();
currDiv.find(".a_button").button();
if(typeof(_successTableCallBack) == "function"){
_successTableCallBack(currDiv.attr("id"));
}
currDiv.find("[class=pageObject\\.pageClick]").val(0);
loadObject.status = true;
},
error : function(XMLHttpRequest, textStatus, errorThrown) {
currDiv.loadhide();
currDiv.find("[class=pageObject\\.currentPageNum]").val(beforeNum);
alert("加载数据失败，请稍后重试！");
currDiv.find("[class=pageObject\\.pageClick]").val(0);
loadObject.status = true;
}
});
}
$.fn.divInitSet = function (){
this.each(function (){
var currDiv = $(this);var currTable = currDiv.find("table").addClass("tableCss");
var sortName = currDiv.find("[class=pageObject\\.sortName]");
var sortOrder = currDiv.find("[class=pageObject\\.sortOrder]");
// 隔行改变背景色、表头事件、选中事件绑定
var cols = -1;
currTable.find("thead th").each(function(index){
if(this.abbr !=""){
var orderCss = "asc";
if(this.abbr == sortName.val()){
orderCss = (sortOrder.val()=="asc"?"desc":"asc");
$(this).addClass('sorted').find("div").addClass(sortOrder.val());
cols = index;
}
$(this).mouseover(function() {
if(this.abbr == sortName.val()){
$(this).addClass('hover').find("div").removeClass(sortOrder.val());
}
$(this).addClass('hover').find("div").addClass(orderCss);
});
$(this).mouseout(function() {
$(this).removeClass('hover').find("div").removeClass(orderCss);
if(this.abbr == sortName.val()){
$(this).removeClass('hover').find("div").addClass(sortOrder.val());
}
});
}
});
currTable.find("tbody tr").each(function(index){
$(this).addClass((index % 2 == 1 ? "alt" :""));
$(this).children("td").each(function (col){
if(col==cols && index % 2 == 1)
$(this).addClass('sorted');
});
$(this).mouseover(function() {$(this).addClass("over");});
$(this).mouseout(function() {$(this).removeClass("over");});
});
//绑定全选 事件
currDiv.tableCheckBox();
});
return this;
};
$.fn.scrollLoading = function(options) {
var defaults = {
attr: "data-url",
container: $(window),
callback: pageCallback
};
var params = $.extend({}, defaults, options || {});
params.cache = [];
$(this).each(function() {
var node = this.nodeName.toLowerCase(), url = $(this).attr(params["attr"]);
//重组
var data = {
obj: $(this),
tag: node,
url: url,
status:true
};
params.cache.push(data);
});
var callback = function(loadObject) {
if ($.isFunction(params.callback)) {
params.callback(loadObject);
}
};
//动态显示数据
$(window).scrollTop(0);
var loading = function() {
var scrt = $(window).scrollTop(), scrb = scrt + $(window).height();
$.each(params.cache, function(i, data) {
var div = data.obj, tag = data.tag, url = data.url,status = data.status;
if (div && status) {
var divt = div.position().top; var divb = divt + div.height() - 100;
if (divb > scrt && divb <= scrb) {
data.status = false;
if (url) {
//在浏览器窗口内
if (tag === "img") {
//图片，改变src
callback(div.attr("src", url));
}
} else {
// 无地址，直接触发回调
callback(data);
}
}
}
});
};
//滚动执行
params.container.bind("scroll", loading);
};
$("div[name=pageDiv]").divInitSet().scrollLoading();
});