最少代码的瀑布流实现
先看效果图吧:
JS代码先放上来给大家看下思路。具体实现还是需要css和html代码的,可以看我的在线源代码和效果:
全屏,chrome,浏览最佳
http://runjs.cn/detail/j9qlhajc
$(function(){ $('#brand-waterfall').waterfall(); }); // 瀑布流插件 // pannysp 2013.4.9 ;(function ($) { $.fn.waterfall = function(options) { var df = { item: '.item', margin: 15, addfooter: true }; options = $.extend(df, options); return this.each(function() { var $box = $(this), pos = [], _box_width = $box.width(), $items = $box.find(options.item), _owidth = $items.eq(0).outerWidth() + options.margin, _oheight = $items.eq(0).outerHeight() + options.margin, _num = Math.floor(_box_width/_owidth); (function() { var i = 0; for (; i < _num; i++) { pos.push([i*_owidth,0]); } })(); $items.each(function() { var _this = $(this), _temp = 0, _height = _this.outerHeight() + options.margin; _this.hover(function() { _this.addClass('hover'); },function() { _this.removeClass('hover'); }); for (var j = 0; j < _num; j++) { if(pos[j][1] < pos[_temp][1]){ //暂存top值最小那列的index _temp = j; } } this.style.cssText = 'left:'+pos[_temp][0]+'px; top:'+pos[_temp][1]+'px;'; //插入后,更新下该列的top值 pos[_temp][1] = pos[_temp][1] + _height; }); // 计算top值最大的赋给外围div (function() { var i = 0, tops = []; for (; i < _num; i++) { tops.push(pos[i][1]); } tops.sort(function(a,b) { return a-b; }); $box.height(tops[_num-1]); //增加尾部填充div if(options.addfooter){ addfooter(tops[_num-1]); } })(); function addfooter(max) { var addfooter = document.createElement('div'); addfooter.className = 'item additem'; for (var i = 0; i < _num; i++) { if(max != pos[i][1]){ var clone = addfooter.cloneNode(), _height = max - pos[i][1] - options.margin; clone.style.cssText = 'left:'+pos[i][0]+'px; top:'+pos[i][1]+'px; height:'+_height+'px;'; $box[0].appendChild(clone); } } } }); } })(jQuery);
分类: javascript, jquery