利用javaScript动态增加表格行，删除表格行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> Table 对象得方法 </TITLE>
<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;
}
//添加一个参与人填写行
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:姓名
var newNameTD=newTR.insertCell(1);
//添加列内容
newNameTD.innerHTML = "<input name='name" + rowID + "' id='name" + rowID + "' type='text' style='width:50px' />";
//添加列:性别
var newSexTD=newTR.insertCell(2);
//添加列内容
newSexTD.innerHTML = "<select name='sex" + rowID+ "'id='sex"+rowID+"' style='width:50px'/ ><option value='男' selected='selected'>男</option><option value='女'>女</option></select>";
//添加列:年龄
var newAgeTD=newTR.insertCell(3);
//添加列内容
newAgeTD.innerHTML = "<input name='age" + rowID + "' id='age" + rowID + "' type='text' style='width:40px' />";
//添加列:去向
var newWhereTD=newTR.insertCell(4);
//添加列内容
newWhereTD.innerHTML = "<select name='where" + rowID+ "'id='where"+rowID+"' style='width:50px'/ ><option value='内一'>内一</option><option value='内二'>内二</option><option value='内三'>内三</option><option value='内四'>内四</option><option value='内五'>内五</option><option value='内六'>内六</option><option value='外一'>外一</option><option value='外二'>外二</option><option value='外三'>外三</option><option value='外四'>外四</option><option value='外五'>外五</option><option value='ICU'>ICU</option><option value='儿科'>儿科</option><option value='妇科'>妇科</option><option value='产科'>产科</option><option value='五官科'>五官科</option><option value='留观'>留观</option><option value='未接到'>未接到</option><option value='自动离院'>自动离院</option><option value='门诊处置'>门诊处置</option></select>";
//添加列:删除按钮
var newDeleteTD=newTR.insertCell(5);
//添加列内容
newDeleteTD.innerHTML = "<div align='center' style='width:40px'><a href='javascript:;' οnclick=\"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>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<BODY οnlοad="pos.innerText=intRowIndex;">
<TABLE SignFrame' bgcolor='#eae5e0'>
<td>【编号】</td><td>【姓名】</td><td>【性别】</td><td>【年龄】</td><td>【去向】</td><td><input type="button" name="Submit" value="添加病人" οnclick="AddSignRow()"/></td><td><input type="checkbox" name="quliu" value="未接到" /><strong>未接到</strong></td>
<div><input name='txtTRLastIndex' type='hidden' id='txtTRLastIndex' value="1" /></div>
</TABLE>
</BODY>
</HTML>
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