日期:2014-05-16 浏览次数:20372 次
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>js动态操作表格</title> <script language="javascript"> function init(){ _table=document.getElementById("table"); _table.border="1px"; _table.width="800px"; for(var i=1;i<6;i++){ var row=document.createElement("tr"); row.id=i; for(var j=1;j<6;j++){ var cell=document.createElement("td"); cell.id=i+"/"+j; cell.appendChild(document.createTextNode("第"+cell.id+"列")); row.appendChild(cell); } document.getElementById("newbody").appendChild(row); } } function rebulid(){ var beginRow=document.getElementById("beginRow").value;/*开始行*/ var endRow=document.getElementById("endRow").value;/*结束行*/ var beginCol=document.getElementById("beginCol").value;/*开始列*/ var endCol=document.getElementById("endCol").value;/*结束列*/ var tempCol=beginRow+"/"+beginCol;/*定位要改变属性的列*/ alert(tempCol); var td=document.getElementById(tempCol); for(var x=beginRow;x<=endRow;x++){ for(var i=beginCol;i<=endCol;i++){ if(x==beginRow){ document.getElementById("table").rows[x].deleteCell(i+1); } else{ document.getElementById("table").rows[x].deleteCell(i); } } } td.rowSpan=(endRow-beginRow)+1; } /*添加行,使用appendChild方法*/ function addRow(){ var length=document.getElementById("table").rows.length; /*document.getElementById("newbody").insertRow(length); document.getElementById(length+1).setAttribute("id",length+2);*/ var tr=document.createElement("tr"); tr.id=length+1; var td=document.createElement("td"); for(i=1;i<4;i++){ td.id=tr.id+"/"+i; td.appendChild(document.createTextNode("第"+td.id+"列")); tr.appendChild(td); } document.getElementById("newbody").appendChild(tr); } function addRow_withInsert(){ var row=document.getElementById("table").insertRow(document.getElementById("table").rows.length); var rowCount=document.getElementById("table").rows.length; var countCell=document.getElementById("table").rows.item(0).cells.length; for(var i=0;i<countCell;i++){ var cell=row.insertCell(i); cell.innerHTML="新"+(rowCount)+"/"+(i+1)+"列"; cell.id=(rowCount)+"/"+(i+1); } } /*删除行,采用deleteRow(row Index)*/ function removeRow(){ document.getElementById("newbody").deleteRow(document.getElementById(document.getElementById("table").rows.length).rowIndex); } /*添加列,采用insertCell(列位置)方法*/ function addCell(){ /*document.getElementById("table").rows.item(0).cells.length 用来获得表格的列数 */ for(var i=0;i<document.getElementById("table").rows.length;i++){ var cell=document.getElementById("table").rows[i].insertCell(2); cell.innerHTML="第"+(i+1)+"/"+3+"列"; } } /*删除列,采用deleteCell(列位置)的方法*/ function removeCell(){ for(var i=0;i<document.getElementById("table").rows.length;i++){ document.getElementById("table").rows[i].deleteCell(0); } } </script> </head> <body onLoad="init();"> <table id="table" align="center"> <tbody id="newbody"></tbody> </table> <div> <table width="800px" border="1px" align="center"> <tr><td align="center"><input type="button" id="addRow" name="addRow" onClick="addRow();" value="添加行"/></td><td align="center"><input type="button" id="delRow" name="delRow" onClick="removeRow();" value="删除行"/></td></tr> <tr><td align="center"><input type="button" id="delCell" name="delCell" onClick="removeCell();" value="删除列"/></td><td align="center"><input type="button" id="addCell" name="addCell" onClick=" addCell();" value="添加列"/></td></tr> <tr><td align="center" colspan="2"><input type="button" id="addRows" name="addRows" onClick="addRow_withInsert();" value="添加行"/></td></tr> </table>