网络编程 发布日期:2025/11/13 浏览次数:1
本文实例讲述了jQuery实现的自动加载页面功能。分享给大家供大家参考,具体如下:
demo.html:
<li style="opacity:0;-moz-opacity: 0;filter: alpha(opacity=0);"><p>---------------</p></li> <li style="opacity:0;-moz-opacity: 0;filter: alpha(opacity=0);"><p>阅谁问君诵,水落清香浮</p></li> <li style="opacity:0;-moz-opacity: 0;filter: alpha(opacity=0);"><p>阅谁问君诵,水落清香浮</p></li> <li style="opacity:0;-moz-opacity: 0;filter: alpha(opacity=0);"><p>阅谁问君诵,水落清香浮</p></li> <li style="opacity:0;-moz-opacity: 0;filter: alpha(opacity=0);"><p>阅谁问君诵,水落清香浮</p></li> <li style="opacity:0;-moz-opacity: 0;filter: alpha(opacity=0);"><p>阅谁问君诵,水落清香浮</p></li> <li style="opacity:0;-moz-opacity: 0;filter: alpha(opacity=0);"><p>阅谁问君诵,水落清香浮</p></li> <li style="opacity:0;-moz-opacity: 0;filter: alpha(opacity=0);"><p>阅谁问君诵,水落清香浮</p></li> <li style="opacity:0;-moz-opacity: 0;filter: alpha(opacity=0);"><p>阅谁问君诵,水落清香浮</p></li> <li style="opacity:0;-moz-opacity: 0;filter: alpha(opacity=0);"><p>+++++++++++++++</p></li>
scrollpagination.js:
(function( $ ){
$.fn.scrollPagination = function(options) {
var opts = $.extend($.fn.scrollPagination.defaults, options);
var target = opts.scrollTarget;
if (target == null){
target = obj;
}
opts.scrollTarget = target;
return this.each(function() {
$.fn.scrollPagination.init($(this), opts);
});
};
$.fn.stopScrollPagination = function(){
return this.each(function() {
$(this).attr('scrollPagination', 'disabled');
});
};
$.fn.scrollPagination.loadContent = function(obj, opts){
var target = opts.scrollTarget;
var mayLoadContent = $(target).scrollTop()+opts.heightOffset >= $(document).height() - $(target).height();
if (mayLoadContent){
if (opts.beforeLoad != null){
opts.beforeLoad();
}
$(obj).children().attr('rel', 'loaded');
$.ajax({
type: 'POST',
url: opts.contentPage,
data: opts.contentData,
success: function(data){
$(obj).append(data);
var objectsRendered = $(obj).children('[rel!=loaded]');
if (opts.afterLoad != null){
opts.afterLoad(objectsRendered);
}
},
dataType: 'html'
});
}
};
$.fn.scrollPagination.init = function(obj, opts){
var target = opts.scrollTarget;
$(obj).attr('scrollPagination', 'enabled');
$(target).scroll(function(event){
if ($(obj).attr('scrollPagination') == 'enabled'){
$.fn.scrollPagination.loadContent(obj, opts);
}
else {
event.stopPropagation();
}
});
$.fn.scrollPagination.loadContent(obj, opts);
};
$.fn.scrollPagination.defaults = {
'contentPage' : null,
'contentData' : {},
'beforeLoad': null,
'afterLoad': null ,
'scrollTarget': null,
'heightOffset': 0
};
})( jQuery );
index.html:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <script type="text/javascript" src="/UploadFiles/2021-04-02/jquery-1.10.1.min.js">效果图如下:
更多关于jQuery相关内容感兴趣的读者可查看本站专题:《jQuery扩展技巧总结》、《jQuery常用插件及用法总结》、《jQuery拖拽特效与技巧总结》、《jQuery表格(table)操作技巧汇总》、《jquery中Ajax用法总结》、《jQuery常见经典特效汇总》、《jQuery动画与特效用法总结》及《jquery选择器用法总结》
希望本文所述对大家jQuery程序设计有所帮助。