本文為大家分享了jquery拖拽自動(dòng)排序插件，供大家參考，具體內(nèi)容如下
該插件并不是原生js寫的，是基于jquery的，想看原生的話，請(qǐng)繞道而行。
html:
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="drag.js"></script> <style type="text/css"> div{ height: 200px; overflow-y: auto; } ul{ margin: 0; padding: 0; list-style: none; box-shadow: rgba(0, 0, 0, 0.2) 5px 5px 10px; display: inline-block; } .drag-item{ width: 100px; padding: 0 10px; line-height: 38px; cursor: move; } .draging{ background-color: #ccc !important; } .no-draging{ background-color: #fff !important; } </style></head><body> <ul class="drag-box"> </ul></body><script type="text/javascript"> new Drag({ container: '.drag-box', data: ['應(yīng)用1','應(yīng)用2','應(yīng)用3','應(yīng)用4','應(yīng)用5','應(yīng)用6','應(yīng)用7','應(yīng)用8','應(yīng)用9'] });</script></html>js:
(function(win){ function Drag(opts){ this.init(opts); }; Drag.prototype = { constructor: Drag, options: { container: '', data: [], //可以是數(shù)據(jù)，也可以是html標(biāo)簽 className: 'item' }, //初始化 init: function(opts){ $.extend(this.options, opts); this.$el = $(this.get('container')); this._render(); this._bindEvent(); }, get: function(key){ return this.options[key]; }, set: function(key, value){ this.options[key]=value; }, //渲染列表 _render: function(){ var me = this, lis = '', data = me.get('data') || []; for(var i=0,len=data.length;i<len;i++) lis+='<li class="drag-item" id="drag-item-'+i+'">'+ data[i]+'</li>'; me.$el.append(lis) .find('li').attr('draggable',true) .addClass(this.get('className')); }, //綁定事件 _bindEvent: function(){ var me = this, $lis = $('li', me.$el), events = ['dragstart', 'dragenter', 'dragover', 'drop', 'dragend']; $.each(events, function(index, item){ $lis.on(item, function(e){ me['_'+item+'Handle'] && me['_'+item+'Handle'](e, me); }); }) $lis.hover(function(){ $(this).css('background-color','#eee'); },function(){ $(this).css('background-color','#fff'); }); }, //開始拖動(dòng) _dragstartHandle: function(e){ var me = this,oe = e.originalEvent; if(oe.dataTransfer){ oe.dataTransfer.setData('text', ''); } me.$drag = $(e.currentTarget); $('li',me.$el).removeClass('item-hover'); me.$drag.addClass('draging').siblings().addClass('no-draging'); }, _dragenterHandle: function(e){ var me = this; me.$drop = $(e.currentTarget); if(me.timer){clearTimeout(me.timer)} //事件控制 me.timer = setTimeout(function(){ if(me.$drag.attr('id') !== me.$drop.attr('id')){ me._createMask(); if(me.$drag.index()<me.$drop.index()) me.$drag.insertAfter(me.$drop); else me.$drag.insertBefore(me.$drop); } }, 30); }, _dragoverHandle: function(e){ var oe = e.originalEvent; e.preventDefault(); return false; }, _dropHandle: function(e){ e.preventDefault(); e.stopPropagation(); return false; }, //拖動(dòng)結(jié)束 _dragendHandle: function(e){ var me = this; me.$mask && me.$mask.remove(); setTimeout(function(){ $('li', me.$el).removeClass('draging no-draging'); },30); }, //創(chuàng)建遮罩 _createMask: function(){ var me = this,$mask = me.$mask = $('<div class="drag-mask"></div>'); $mask.css({ position: 'absolute', width: me.$drop.outerWidth(),//new height: me.$drop.outerHeight(),//new left: me.$drop.position().left, top: me.$drop.position().top+me.$el.scrollTop(),//new backgroundColor: '#fff' }); $mask.on({ 'drop': me._dropHandle, 'dragover': me._dragoverHandle }); this.$el.find('.drag-mask').remove(); this.$el.append($mask); } }; win.Drag = Drag;})(window);
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