自pinterest网站爆红以来,国内一度掀起“仿PIN”狂潮,诸如花瓣、蘑菇街等等。正是如此,“瀑布流”式布局受到广大网民的青睐。众多知名JS库,也相继出现“瀑布流”布局插件,譬如jQuery的Masonry插件、KISSY的waterfall插件等。今天闲来无聊,我也自己动手弄了段原生JS代码,实现了简单的“瀑布流”布局效果,当然肯定不能和以上那些优秀插件相提并论,有兴趣的朋友,可以去看看,希望能带给你或多或少的收获。
1. js代码:
<!DOCTYPE html> <html> <head> <meta charset=\"utf-\"> <title>Waterfall代码</title> </head> <body> <style type=\"text/css\"> .wf-main{ position: relative; margin: auto; width: px; overflow: hidden; } .wf-main .wf-cld{ position: absolute; margin-bottom: px; padding:px px; width: px; left: -px; top: -px; line-height:px; border: px solid #; border-radius: px; background-color: #ccc; overflow: hidden; } .wf-cld .inner{ position: absolute; left: -px; top: -px; margin-bottom: px; width: px; overflow: hidden; border: px solid #f; border-radius: px; } .wf-cld .title{ margin: px; padding: px; width: px; color: #f; font-size: px; } </style> <div class=\"wf-main\" id=\"wf-main\"> <div class=\"wf-cld\"><h style=\"color:#f\">、瀑布流</h></div> <div class=\"wf-cld\"><br></div> <div class=\"wf-cld\"><br><br></div> <div class=\"wf-cld\"><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\" id=\"wf-inner\"> <h class=\"inner title\">、内部瀑布流</h> <div class=\"inner\">-<br></div> <div class=\"inner\">-</div> <div class=\"inner\">-</div> <div class=\"inner\">-</div> <div class=\"inner\">-<br></div> <div class=\"inner\">-</div> <div class=\"inner\">-</div> <div class=\"inner\">-</div> <div class=\"inner\">-</div> </div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div> <div class=\"wf-cld\"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div> </div> <script type=\"text/javascript\"> function Waterfall(param){ this.id = typeof param.container == \'string\' ? document.getElementById(param.container) : param.container; this.colWidth = param.colWidth; this.colCount = param.colCount || ; this.cls = param.cls && param.cls != \'\' ? param.cls : \'wf-cld\'; this.init(); } Waterfall.prototype = { getByClass:function(cls,p){ var arr = [],reg = new RegExp(\"(^|\\\\s+)\" + cls + \"(\\\\s+|$)\",\"g\"); var nodes = p.getElementsByTagName(\"*\"),len = nodes.length; for(var i = ; i < len; i++){ if(reg.test(nodes[i].className)){ arr.push(nodes[i]); reg.lastIndex = ; } } return arr; }, maxArr:function(arr){ var len = arr.length,temp = arr[]; for(var ii= ; ii < len; ii++){ if(temp < arr[ii]){ temp = arr[ii]; } } return temp; }, getMar:function(node){ var dis = ; if(node.currentStyle){ dis = parseInt(node.currentStyle.marginBottom); }else if(document.defaultView){ dis = parseInt(document.defaultView.getComputedStyle(node,null).marginBottom); } return dis; }, getMinCol:function(arr){ var ca = arr,cl = ca.length,temp = ca[],minc = ; for(var ci = ; ci < cl; ci++){ if(temp > ca[ci]){ temp = ca[ci]; minc = ci; } } return minc; }, init:function(){ var _this = this; var col = [],//列高 iArr = [];//索引 var nodes = _this.getByClass(_this.cls,_this.id),len = nodes.length; for(var i = ; i < _this.colCount; i++){ col[i] = ; } for(var i = ; i < len; i++){ nodes[i].h = nodes[i].offsetHeight + _this.getMar(nodes[i]); iArr[i] = i; } for(var i = ; i < len; i++){ var ming = _this.getMinCol(col); nodes[i].style.left = ming * _this.colWidth + \"px\"; nodes[i].style.top = col[ming] + \"px\"; col[ming] += nodes[i].h; } _this.id.style.height = _this.maxArr(col) + \"px\"; } }; new Waterfall({ \"container\":\"wf-inner\", \"colWidth\":, \"colCount\":, \"cls\":\"inner\" }); new Waterfall({ \"container\":\"wf-main\", \"colWidth\":, \"colCount\": }); </script> </body> </html>
2. [图片] 瀑布流.jpg
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