js 表格拖拽效果實例代碼 (IE only)

2019-11-21 00:43:33

字體：大中小

來源：轉載

供稿：網友

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-type" content="text/html; charset=gb2312" /> <title>Table Test (I.E. Only)</title> <script type="text/javascript"> /*得到表格列*/ function getCols(srcCellIndex,obj) { obj = typeof obj === 'string' ? document.getElementById(obj) : obj; var s = ''; s += '<tr><th style=/"font-size:12px;text-align:center;font-weight:bold;line-height: 23px;' s += 'border: 1px solid #77ABF2;height: 25px;white-space: nowrap;background-color:#AEAEAE;">' s += obj.rows[0].cells[srcCellIndex].innerHTML + '</th></tr>'; for(var i = 1;i < obj.rows.length;i++) { s += '<tr><td>' + obj.rows[i].cells[srcCellIndex].innerHTML + '</td></tr>'; } return s; } /*得到表格*/ function getTable(obj) { while(obj.tagName.toLowerCase() != 'table') { obj = obj.parentElement; } return obj; } /*交換列*/ function swapCol(srcCellIndex,destCellIndex,obj) { obj = typeof obj === 'string' ? document.getElementById(obj) : obj; for(var i = 0;i < obj.rows.length;i++) { obj.rows[i].cells[srcCellIndex].swapNode(obj.rows[i].cells[destCellIndex]); } } function createDiv() { var div = document.createElement('div'); div.style.cssText += 'border:1px dashed #003F87;background:#FFFFFF;color:#DC8331;overflow:hidden;'; div.style.cssText += 'zIndex:10000;position:absolute;filter:Alpha(opacity=70);font-size:12px;'; return div; } /*得到事件促發的th元素*/ function getThEl() { var el = document.elementFromPoint(event.x,event.y); if(el.tagName.toLowerCase() == 'th') { return el; } return; } /*得到對象的位置*/ function getObjPos(obj) { var x = y = 0; if(obj.getBoundingClientRect) { var box = obj.getBoundingClientRect(); x = box.left + Math.max(document.documentElement.scrollLeft,document.body.scrollLeft) - document.documentElement.clientLeft; y = box.top + Math.max(document.documentElement.scrollTop,document.body.scrollTop) - document.documentElement.clientTop; } else { while(obj != document.body) { x += obj.offsetLeft; y += obj.offsetTop; obj = obj.offsetParent } } return { 'x': x,'y': y }; } /*得到鼠標的位置*/ function getCurPos() { e = event || window.event; return e.pageX ? { x: e.pageX,y: e.pageY} : { x: e.clientX + document.documentElement.scrollLeft - document.documentElement.clientLeft,y: e.clientY + document.documentElement.scrollTop - document.documentElement.clientTop}; } function startSwap() { var startEl = getThEl(); if(typeof startEl == 'undefined') return; var div = createDiv(); document.body.appendChild(div); div.style.width = startEl.clientWidth; div.style.height = getTable(startEl).clientHeight; div.innerHTML = '<table class=/"Shadow/">' + getCols(startEl.cellIndex,getTable(startEl)) + '</table>'; div.style.left = getObjPos(startEl).x + 'px'; div.style.top = getObjPos(startEl).y + 'px'; div.style.display = 'block'; var isDragable = true; var curX = getCurPos().x; var curY = getCurPos().y; var objX = getObjPos(div).x; var objY = getObjPos(div).y; div.onmousemove = function() { if(isDragable) { div.style.cssText += 'cursor:move;'; div.style.left = getCurPos().x - curX + objX + 'px'; div.style.top = getCurPos().y - curY + objY + 'px'; } } div.onmouseup = function() { isDragable = false; div.style.display = 'none'; var endEl = getThEl(); if(typeof endEl === 'undefined') { return; } var srcCellIndex = startEl.cellIndex; var destCellIndex = endEl.cellIndex; swapCol(srcCellIndex,destCellIndex,getTable(endEl)); } /*鼠標移除層，事件取消*/ div.onmouseout = function() { isDragable = false; div.style.display = 'none'; return; } } </script> <style type="text/css"> body { overflow: hidden; } .Shadow { color: #FC8331; width: 100%; padding: 3px; font-family: Arial, "宋體"; font-size: 12px; font-weight: normal; line-height: 22px; border-collapse: collapse; border-right: 1px solid #0000; border-top: 1px solid #0000; border-left: 1px solid #0000; border-bottom: 1px solid #0000; } .Grid { background-color: #ffffff; padding: 3px; font-family: Arial, "宋體"; font-size: 12px; font-weight: normal; line-height: 22px; color: #494949; text-decoration: none; border-collapse: collapse; border-right: 1px solid #2A8CBF; border-top: 1px solid #2A8CBF; border-left: 1px solid #2A8CBF; border-bottom: 1px solid #2A8CBF; } .GridHeader { font-family: Arial, "宋體"; font-size: 12px; font-weight: bold; line-height: 23px; border: 1px solid #77ABF2; height: 25px; text-decoration: none; text-align: center; white-space: nowrap; color: #000000; } </style> </head> <body> <table id="table" width="90%" border="1" class="Grid"> <thead class="GridHeader"> <tr bgcolor="cccccc"> <th> <span>姓名</span> </th> <th> <span>性別</span> </th> <th> <span>年齡</span> </th> </tr> </thead> <tbody> <tr> <td> 周周 </td> <td> F </td> <td> 20 </td> </tr> <tr> <td> 達達 </td> <td> M </td> <td> 21 </td> </tr> <tr> <td> 黃宏 </td> <td> M </td> <td> 12 </td> </tr> </tbody> <tfoot> </tfoot> </table> <script type="text/javascript"> (function() { var ths = document.getElementsByTagName('th'); for(var i = 0;i < ths.length;i++) { ths[i].attachEvent('onmousedown',startSwap); } })(); </script> </body> </html>

[Ctrl+A 全選注:如需引入外部Js需刷新才能執行]

上一篇：javascript 命名規則變量命名規則

下一篇：javascript for循環設法提高性能