Html中表格行的拖动
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<!doctype html><html> <head> <title>表格行拖动</title> <script> window.onload = function(){ //绑定事件 var addEvent = document.addEventListener ? function(el,type,callback){ el.addEventListener( type, callback, !1 ); } : function(el,type,callback){ el.attachEvent( "on" + type, callback ); } //移除事件 var removeEvent = document.removeEventListener ? function(el,type,callback){ el.removeEventListener( type, callback ); } : function(el,type,callback){ el.detachEvent( "on" + type, callback); } //精确获取样式 var getStyle = document.defaultView ? function(el,style){ return document.defaultView.getComputedStyle(el, null).getPropertyValue(style) } : function(el,style){ style = style.replace(/\-(\w)/g, function($, $1){ return $1.toUpperCase(); }); return el.currentStyle[style]; } var dragManager = { clientY:0, draging:function(e){//mousemove时拖动行 var dragObj = dragManager.dragObj; if(dragObj){ e = e || event; if(window.getSelection){//w3c window.getSelection().removeAllRanges(); }else if(document.selection){ document.selection.empty();//IE } var y = e.clientY; var down = y > dragManager.clientY;//是否向下移动 var tr = document.elementFromPoint(e.clientX,e.clientY); if(tr && tr.nodeName == "TD"){ tr = tr.parentNode dragManager.clientY = y; if( dragObj !== tr){ tr.parentNode.insertBefore(dragObj, (down ? tr.nextSibling : tr)); } }; } }, dragStart:function(e){ e = e || event; var target = e.target || e.srcElement; if(target.nodeName === "TD"){ target = target.parentNode; dragManager.dragObj = target; if(!target.getAttribute("data-background")){ var background = getStyle(target,"background-color"); target.setAttribute("data-background",background) } //显示为可移动的状态 target.style.backgroundColor = " #ccc"; target.style.cursor = "move"; dragManager.clientY = e.clientY; addEvent(document,"mousemove",dragManager.draging); addEvent(document,"mouseup",dragManager.dragEnd); } }, dragEnd:function(e){ var dragObj = dragManager.dragObj if (dragObj) { e = e || event; var target = e.target || e.srcElement; if(target.nodeName === "TD"){ target = target.parentNode; dragObj.style.backgroundColor = dragObj.getAttribute("data-background"); dragObj.style.cursor = "default"; dragManager.dragObj = null; removeEvent(document,"mousemove",dragManager.draging); removeEvent(document,"mouseup",dragManager.dragEnd); } } }, main:function(el){ addEvent(el,"mousedown",dragManager.dragStart); } } var el = document.getElementById("table"); dragManager.main(el); } </script> <style> .table{ width:60%; border: 1px solid red; border-collapse: collapse; } .table td{ border: 1px solid red; height: 20px; } </style> </head> <body> <h1>表格行拖动</h1> <table id="table" class="table"> <tbody> <tr> <td>1</td> <td>One</td> <td>dom.require</td> </tr> <tr id="2" > <td class="2">2</td> <td>Two</td> <td>ControlJS </td> </tr> <tr id="3" > <td class="3">3</td> <td>Three</td> <td>HeadJS</td> </tr> <tr id="4" > <td class="4">4</td> <td>Four</td> <td>LAB.js</td> </tr> <tr id="5" > <td class="5">5</td> <td>Five</td> <td>$script.js</td> </tr> <tr id="6" > <td class="6">6</td> <td>Six</td> <td>NBL.js</td> </tr> </tbody> </table> </body></html>
