PHP结合Jquery和ajax实现瀑布流特效

 getMyVal('category',$_GET); $xiaohuaList=Xiaohua::model()->getXiaohao($category); //打开页面默认显示的数据 ?> <div id="waterfall">  id;?> <div class="cell m-bg item-h border_h"> <div class="border-solid-b padding-b-5 text-center"><span class="g-bg glyphicon glyphicon-sunglasses margin-r-5"></span><strong class="color-5 fx_t_">title);?></strong></div><div class="padding-t-5 fx_c_">content;?></div><div class="padding-t-5 text-right"><span onclick="fx();" class="fx cursor_p" data-id=""><span class="g-bg glyphicon glyphicon-share-alt margin-r-5"></span>分享</span></div></div>  </div>

 public function actionListXiaohua() { $xiaohuaList=Xiaohua::model()->getXiaohua();//获取笑话信息 echo CJSON::encode($xiaohuaList); } 

 (function($){ var //参数 setting={ column_width:240,//列宽 column_className:'waterfall_column',//列的类名 column_space:2,//列间距 cell_selector:'.cell',//要排列的砖块的选择器，context为整个外部容器 img_selector:'img',//要加载的图片的选择器 auto_imgHeight:true,//是否需要自动计算图片的高度 fadein:true,//是否渐显载入 fadein_speed:600,//渐显速率，单位毫秒 insert_type:1, //单元格插入方式，1为插入最短那列，2为按序轮流插入 getResource:function(index){ } //获取动态资源函数,必须返回一个砖块元素集合,传入参数为加载的次数 }, // waterfall=$.waterfall={},//对外信息对象 $waterfall=null;//容器 waterfall.load_index=0, //加载次数 $.fn.extend({ waterfall:function(opt){ opt=opt||{}; setting=$.extend(setting,opt); $waterfall=waterfall.$waterfall=$(this); waterfall.$columns=creatColumn(); render($(this).find(setting.cell_selector).detach(),false); //重排已存在元素时强制不渐显 waterfall._scrollTimer2=null; $(window).bind('scroll',function(){ clearTimeout(waterfall._scrollTimer2); waterfall._scrollTimer2=setTimeout(onScroll,300); }); waterfall._scrollTimer3=null; $(window).bind('resize',function(){ clearTimeout(waterfall._scrollTimer3); waterfall._scrollTimer3=setTimeout(onResize,300); }); } }); function creatColumn(){//创建列 waterfall.column_num=calculateColumns();//列数 //循环创建列 var html=''; for(var i=0;i<waterfall.column_num;i++){ html+='<div class="'+setting.column_className+'" style="width:'+setting.column_width+'px;margin-left:'+setting.column_space/2+'px;margin-right:'+setting.column_space/2+'px;vertical-align:top;overflow:hidden"></div>'; } $waterfall.prepend(html);//插入列 return $('.'+setting.column_className,$waterfall);//列集合 } function calculateColumns(){//计算需要的列数 var num=Math.floor(($waterfall.innerWidth())/(setting.column_width+setting.column_space)); if(num0){//本身是图片或含有图片 var image=new Image; var src=$(this)[0].nodeName.toLowerCase()=='img'?$(this).attr('src'):$(this).find(setting.img_selector).attr('src'); image.onload=function(){//图片加载后才能自动计算出尺寸 image.onreadystatechange=null; if(setting.insert_type==1){ insert($(elements).eq(i),setting.fadein&&fadein);//插入元素 }else if(setting.insert_type==2){ insert2($(elements).eq(i),i,setting.fadein&&fadein);//插入元素 } image=null; } image.onreadyst<i style="color:transparent">来源gaodai$ma#com搞$代*码网</i>atechange=function(){//处理IE等浏览器的缓存问题：图片缓存后不会再触发onload事件 if(image.readyState == "complete"){ image.onload=null; if(setting.insert_type==1){ insert($(elements).eq(i),setting.fadein&&fadein);//插入元素 }else if(setting.insert_type==2){ insert2($(elements).eq(i),i,setting.fadein&&fadein);//插入元素 } image=null; } } image.src=src; }else{//不用考虑图片加载 if(setting.insert_type==1){ insert($(elements).eq(i),setting.fadein&&fadein);//插入元素 }else if(setting.insert_type==2){ insert2($(elements).eq(i),i,setting.fadein&&fadein);//插入元素 } } }); } function public_render(elems){//ajax得到元素的渲染接口 render(elems,true); } function insert($element,fadein){//把元素插入最短列 if(fadein){//渐显 $element.css('opacity',0).appendTo(waterfall.$columns.eq(calculateLowest())).fadeTo(setting.fadein_speed,1); }else{//不渐显 $element.appendTo(waterfall.$columns.eq(calculateLowest())); } } function insert2($element,i,fadein){//按序轮流插入元素 if(fadein){//渐显 $element.css('opacity',0).appendTo(waterfall.$columns.eq(i%waterfall.column_num)).fadeTo(setting.fadein_speed,1); }else{//不渐显 $element.appendTo(waterfall.$columns.eq(i%waterfall.column_num)); } } function calculateLowest(){//计算最短的那列的索引 var min=waterfall.$columns.eq(0).outerHeight(),min_key=0; waterfall.$columns.each(function(i){ if($(this).outerHeight()=bottom-windowHeight){ render(getElements(),true); } },100); } function onResize(){//窗口缩放时重新排列 if(calculateColumns()==waterfall.column_num) return; //列数未改变，不需要重排 var $cells=waterfall.$waterfall.find(setting.cell_selector); waterfall.$columns.remove(); waterfall.$columns=creatColumn(); render($cells,false); //重排已有元素时强制不渐显 } })(jQuery); 

   <title>定宽Jquery+AJAX+JSON瀑布流布局（每行代码都有详细注释）</title> body, ul, li, h3 { margin: 0; padding: 0; list-style: none; font: bold 12px "微软雅黑"; } /*瀑布流布局样式*/ #lxf-box { position: relative; width: 1000px; margin:0 auto;} #lxf-box li { background: #fff; border: solid 1px #ccc; text-align: center; padding: 10px; float: left;} h3 { padding-top: 8px; } img { width: 200px; height: auto; display: block; border: 0 } /*css3动画 注由于是css3制作的所以兼容性不保证 要想兼容性好 请自己做成gif动画加载图*/ /*li { -webkit-transition: all .7s ease-out .1s; -moz-transition: all .7s ease-out; -o-transition: all .7s ease-out .1s; transition: all .7s ease-out .1s }*/ #loading { display:none; line-height: 30px; background: #000; color:#fff; text-align: center; height: 30px; width: 100%; position:fixed; bottom:0; opacity:0.8;}  <h1>预览无效果请刷新</h1><ul id="lxf-box"> <li><h3>图片标题</h3></li><li><h3>图片标题</h3></li><li><h3>图片标题</h3></li><li><h3>图片标题</h3></li><li><h3>图片标题</h3></li><li><h3>图片标题</h3></li><li><h3>图片标题</h3></li><li><h3>图片标题</h3></li><li><h3>图片标题</h3></li><li><h3>图片标题</h3></li><li>img src="/uploads/allimg/120813/1-120Q3145U0938.jpg-600"> <h3>图片标题</h3></li><li><h3>图片标题</h3></li></ul><div id="loading">正在加载……</div><p align="center"><font color="red">如果运行效果无非显示请点击【刷新页面】</font><br />【<font color="#666666">返回首页</font>】【<font color="#666666">刷新本页</font>】【<font color="#666666">返回顶部</font>】【<font color="#666666">关闭本页</font>】</p>