PHP结合Jquery和ajax实现瀑布流特效

<"waterfall">
  <"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" aria-hidden="true"></span><strong class="color-5 fx_t_<"><"padding-t-5 fx_c_<"><"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" aria-hidden="true"></span>分享</span></div>
    </div>
  <"get",
    url: _url,
    dataType : "json",
    async:false,
    success: function(data){
      for( var i in data){
        var q_id=data[i].id;
        html+='<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" aria-hidden="true"></span><strong class="color-5 fx_t_'+q_id+'">'+data[i].title+'</strong></div><div class="padding-t-5 fx_c_'+q_id+'">'+data[i].content+'</div>'
           +'<div class="padding-t-5 text-right"><span onclick="fx('+q_id+');" class="fx cursor_p" data-id="'+q_id+'"><span class="g-bg glyphicon glyphicon-share-alt margin-r-5" aria-hidden="true"></span>分享</span></div></div>';
      }
   }});
   return $(html);
 },
 column_width:376,
 column_space:10,
 auto_imgHeight:true,
 insert_type:1
}
$('#waterfall').waterfall(opt);
</script>

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; display:inline-block; *display:inline;zoom:1; 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(($waterfall.innerWidth())/(setting.column_width+setting.column_space));
   if(num<1){ num=1; } //保证至少有一列
   return num;
  }
  function render(elements,fadein){//渲染元素
   if(!$(elements).length) return;//没有元素
   var $columns = waterfall.$columns;
   $(elements).each(function(i){
     if(!setting.auto_imgHeight||setting.insert_type==2){//如果给出了图片高度，或者是按顺序插入，则不必等图片加载完就能计算列的高度了
       if(setting.insert_type==1){
        insert($(elements).eq(i),setting.fadein&&fadein);//插入元素
       }else if(setting.insert_type==2){
        insert2($(elements).eq(i),i,setting.fadein&&fadein);//插入元素
       }
       return true;//continue
     }
     if($(this)[0].nodeName.toLowerCase()=='img'||$(this).find(setting.img_selector).length>0){//本身是图片或含有图片
       var image=new Image;
       var src=$(this)[0].nodeName.toLowerCase()=='img'"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($(this).outerHeight()<min){
      min=$(this).outerHeight();
      min_key=i;
     }
   });
   return min_key;
  }
  function getElements(){//获取资源
   $.waterfall.load_index++;
   return setting.getResource($.waterfall.load_index,public_render);
  }
  waterfall._scrollTimer=null;//延迟滚动加载计时器
  function onScroll(){//滚动加载
   clearTimeout(waterfall._scrollTimer);
   waterfall._scrollTimer=setTimeout(function(){
     var $lowest_column=waterfall.$columns.eq(calculateLowest());//最短列
     var bottom=$lowest_column.offset().top+$lowest_column.outerHeight();//最短列底部距离浏览器窗口顶部的距离
     var scrollTop=document.documentElement.scrollTop||document.body.scrollTop||0;//滚动条距离
     var windowHeight=document.documentElement.clientHeight||document.body.clientHeight||0;//窗口高度
     if(scrollTop>=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);

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>定宽Jquery+AJAX+JSON瀑布流布局（每行代码都有详细注释）</title>
<style type="text/css">
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;}
</style>
<script src="/UploadFiles/2021-04-02/jquery.min.js">