自pinterest網(wǎng)站爆紅以來(lái)，國(guó)內(nèi)一度掀起“仿PIN”狂潮，諸如花瓣、蘑菇街等等。正是如此，“瀑布流”式布局受到廣大網(wǎng)民的青睞。眾多知名JS庫(kù)，也相繼出現(xiàn)“瀑布流”布局插件，譬如jQuery的Masonry插件、KISSY的waterfall插件等。今天閑來(lái)無(wú)聊，我也自己動(dòng)手弄了段原生JS代碼，實(shí)現(xiàn)了簡(jiǎn)單的“瀑布流”布局效果，當(dāng)然肯定不能和以上那些優(yōu)秀插件相提并論，有興趣的朋友，可以去看看，希望能帶給你或多或少的收獲。
1. js代碼：
<!DOCTYPE html><html><head> <meta charset="utf-"> <title>Waterfall代碼</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">、內(nèi)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. [圖片] 瀑布流.jpg
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