<!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=utf-8" /> <title>动态创建表格(还能删除行列)</title> <style type="text/css"> body,div { margin:0; padding:0; font-size:14px; } table { margin:0 auto; } td { border:1px solid green; text-align:center; } </style> <script type="text/javascript"> //动态创建表格 function createTable() { var divMain = document.getElementById("divMain"); removeAllChild(divMain); //删除上次添加的表格 var myTable = document.createElement("table"); myTable.id = "DynamicTable"; var myRow = document.getElementById("myRow").value; var myCol = document.getElementById("myCol").value; var trNode; var tdNode; var strTmp; for (var i = 1; i <= myRow; i++) { trNode = myTable.insertRow(-1); for (var j = 1; j <= myCol; j++) { strTmp ="第"+ i + "行,第"+ j + "列"; tdNode = trNode.insertCell(-1); tdNode.innerHTML = "<a href='javascript:void(0);'>" + strTmp + "</a>"; } } divMain.appendChild(myTable); //把表格添加到div中 //event.srcElement.disabled = "true"; //添加按钮禁用 } //删除指定节点下的所有子节点 function removeAllChild(nodeObj) { while (nodeObj.hasChildNodes()) { nodeObj.removeChild(nodeObj.firstChild); } } //删除行 function DeleteRow() { var rowNum = document.getElementById("delRow").value; var tbl = document.getElementById("DynamicTable"); if (tbl == null) { alert('请先创建表格'); return; } if ((rowNum <= tbl.rows.length) && (rowNum > 0)) { tbl.deleteRow(rowNum-1); } else { alert('请输入一个有效的行!'); } } //删除列 function DeleteCol() { var colNum = document.getElementById("delCol").value; var tbl = document.getElementById("DynamicTable"); if (tbl == null) { alert('请先创建表格'); return; } if(tbl.rows.length<=0) { alert('表格不存在行'); return; } if ((colNum <= tbl.rows[0].cells.length) && (colNum > 0)) { for (var i = 0; i < tbl.rows.length; i++) { tbl.rows[i].deleteCell(colNum - 1); } } else { alert('指定列不存在'); } } </script> </head> <body> 请输入行数<input type="text" />,请输入列数 <input type="text" /><br /> <input type="button" value="创建表格" /><br /> <input type="text" /><input type="button" value="删除行" /><br /> <input type="text" /><input type="button" value="删除列" /><br /> <div> </div> </body> </html>
Javascript动态创建表格及删除行列的方法
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