例1
| 代码如下 | 复制代码 |
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<html> <head> <title>js insert delete talbe row</title> <script type="text/javascript"> function inRow() { var table = document.getElementById("tid"); var nextIndex = table.rows.length var nextRow = table.insertRow(nextIndex); nextRow.insertCell(0).innerHTML = "A"+nextIndex; nextRow.insertCell(1).innerHTML = "B"+nextIndex; nextRow.insertCell(2).innerHTML = "C"+nextIndex; nextRow.insertCell(3).innerHTML = '<a href="javascript:;" onclick="return del(this)">删除</a>'; return false; } function del(obj) { var table = obj.parentNode.parentNode.parentNode; table.deleteRow(obj.parentNode.parentNode.rowIndex); } </script> </head> <body> <input type="button" name="insert" value="增加" onclick="return inRow()" /> <table border="1" width="300" name="tt" id="tid"> <tr> <td>A0</td> <td>B0</td> <td>C0</td> <td><a href="javascript:;" onclick="return del(this)">删除</a></td> </tr> <tr> <td>A1</td> <td>B1</td> <td>C1</td> <td><a href="javascript:;" onclick="return del(this)">删除</a></td> </tr> <tr> <td>A2</td> <td>B2</td> <td>C2</td> <td><a href="javascript:;" onclick="return del(this)">删除</a></td> </tr> <tr> <td>A3</td> <td>B3</td> <td>C3</td> <td><a href="javascript:;" onclick="return del(this)">删除</a></td> </tr> </table> </body> </html> |
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例2
| 代码如下 | 复制代码 |
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE>New Document</TITLE> <META NAME="Generator" CONTENT="EditPlus"> <META NAME="Author" CONTENT=""> <META NAME="Keywords" CONTENT=""> <META NAME="Description" CONTENT=""> <script language="javascript">// Example: obj = findObj("image1"); function findObj(theObj, theDoc) { var p, i, foundObj; if(!theDoc) theDoc = document; if( (p = theObj.indexOf("?")) > 0 && parent.frames.length) { theDoc = parent.frames[theObj.substring(p+1)].document; theObj = theObj.substring(0,p); } if(!(foundObj = theDoc[theObj]) && theDoc.all) foundObj = theDoc.all[theObj]; for (i=0; !foundObj && i < theDoc.forms.length; i++) foundObj = theDoc.forms[i][theObj]; for(i=0; !foundObj && theDoc.layers && i < theDoc.layers.length; i++) foundObj = findObj(theObj,theDoc.layers[i].document); if(!foundObj && document.getElementById) foundObj = document.getElementById(theObj); return foundObj; } //添加一个事件填写行 function AddSignRow(){ //读取最后一行的行号，存放在txtTRLastIndex文本框中 var txtTRLastIndex = findObj("txtTRLastIndex",document); var rowID = parseInt(txtTRLastIndex.value); var signFrame = findObj("SignFrame",document); //添加行 var newTR = signFrame.insertRow(signFrame.rows.length); newTR.id = "SignItem" + rowID; //添加列:序号 var newNameTD=newTR.insertCell(0); //添加列内容 newNameTD.innerHTML = newTR.rowIndex.toString(); //添加列:事件ID var newNameTD=newTR.insertCell(1); //添加列内容 newNameTD.innerHTML = "<input name='txtName" + rowID + "' id='paraid0" + rowID + "' type='text' size='12' />"; //添加列:事件内容 var newEmailTD=newTR.insertCell(2); //添加列内容 newEmailTD.innerHTML = "<input name='txtEMail" + rowID + "' id='paraco0" + rowID + "' type='text' size='50' />"; //添加列:删除按钮 var newDeleteTD=newTR.insertCell(3); //添加列内容 newDeleteTD.innerHTML = "<div align='center' style='width:40px'><a href='javascript:;' onclick="DeleteSignRow('SignItem" + rowID + "')">删除</a></div>"; //将行号推进下一行 txtTRLastIndex.value = (rowID + 1).toString() ; } //删除指定行 function DeleteSignRow(rowid){ var signFrame = findObj("SignFrame",document); var signItem = findObj(rowid,document); //获取将要删除的行的Index var rowIndex = signItem.rowIndex; //删除指定Index的行 signFrame.deleteRow(rowIndex); //重新排列序号，如果没有序号，这一步省略 for(i=rowIndex;i<signFrame.rows.length;i++){ signFrame.rows[i].cells[0].innerHTML = i.toString(); } } //清空列表 function ClearAllSign(){ if(confirm('确定要清空所有参与人吗？')){ var signFrame = findObj("SignFrame",document); var rowscount = signFrame.rows.length; //循环删除行,从最后一行往前删除 for(i=rowscount - 1;i > 0; i--){ signFrame.deleteRow(i); } //重置最后行号为1 var txtTRLastIndex = findObj("txtTRLastIndex",document); txtTRLastIndex.value = "1"; //预添加一行 AddSignRow(); } } </script> </HEAD> <BODY> <div> <table width="613" border="0" cellpadding="2" cellspacing="1" id="SignFrame"> <tr id="trHeader"> <td width="40" bgcolor="#96E0E2">序号</td> <td width="50" bgcolor="#96E0E2">事件ID</td> <td width="120" bgcolor="#96E0E2">事件内容</td> <td width="50" align="center" bgcolor="#96E0E2"> </td> </tr> </table> </div> <div> <input type="button" name="Submit" value="添加事件" onclick="AddSignRow()" /> <input type="button" name="Submit2" value="清空事件" onclick="ClearAllSign()" /> <input name='txtTRLastIndex' type='hidden' id='txtTRLastIndex' value="1" /> </div> </BODY> </HTML> |
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时间： 2024-10-10 21:29:49