<!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" />
<script language="JavaScript">
//判断所有的checkbox的选中状态
//@id : checkbox的id
function checkedStatus(temp){
//获取checkbox
//var temp = document.getElementById(id);
//设置checkbox的下级checkbox的状态
setChildCheckBox(temp);
//设置checkbox的上级checkbox的状态
setParentCheckBox(temp);
}
//获取checkbox的下级checkbox信息
//@entity : checkbox的DOM对象
function findChildCheckBox(entity){
//存放下级checkbox的数组
var chkArray = new Array();
//判断是否有input标签
if(document.getElementsByTagName("input")){
//获取所有的input标签
var inputs = document.getElementsByTagName("input");
//遍历input标签,获取下级checkbox
for(var i = 0; i < inputs.length; i++){
var ele = inputs[i];
//判断type是“checkbox”,并且checkbox的upid等于entity的id
if(ele.type == "checkbox" && ele.getAttribute("upid") == entity.id){
chkArray.push(ele);
}
}
}
return chkArray;
}
//获取checkbox的同级checkbox信息
//@entity : checkbox的DOM对象
function findBrotherCheckBox(entity){
//存放同级checkbox的数组
var chkArray = new Array();
//判断是否有input标签
if(document.getElementsByTagName("input")){
//获取所有的input标签
var inputs = document.getElementsByTagName("input");
//遍历input标签,获取同级checkbox
for(var i = 0; i < inputs.length; i++){
var ele = inputs[i];
//判断type是“checkbox”,并且checkbox的upid等于entity的upid
if(ele.type == "checkbox" && ele.getAttribute("upid") == entity.getAttribute("upid")){
chkArray.push(ele);
}
}
}
return chkArray;
}
//获取checkbox的上级checkbox信息
//@entity : checkbox的DOM对象
function findParentCheckBox(entity){
//存放上级checkbox的对象
var _element = null;
//判断是否有input标签
if(document.getElementsByTagName("input")){
//获取所有的input标签
var inputs = document.getElementsByTagName("input");
//遍历input标签,获取上级checkbox
for(var i = 0; i < inputs.length; i++){
var ele = inputs[i];
//判断type是“checkbox”,并且checkbox的id等于entity的upid
if(ele.type == "checkbox" && ele.id == entity.getAttribute("upid")){
_element = ele;
break;
}
}
}
return _element;
}
//设置checkbox的下级checkbox的状态
//@entity : checkbox的DOM对象
function setChildCheckBox(entity){
//entity的选中状态
var status = entity.checked;
//获取entity的下级checkbox
var childList = findChildCheckBox(entity);
//判断是否有下级
if(childList.length > 0){
//遍历下级checkbox,并设置状态
for(var i = 0; i < childList.length; i++){
childList[i].checked = status;
//设置childList[i]的下级checkbox的状态
setChildCheckBox(childList[i]);
}
}
}
//设置checkbox的上级checkbox的状态
//@entity : checkbox的DOM对象
function setParentCheckBox(entity){
//entity的上级checkbox的选中状态
var parentChecked = true;
//获取entity的上级checkbox
var parentCheckBox = findParentCheckBox(entity);
//判断是否有上级
if(parentCheckBox){
//获取entity的同级checkbox
var brotherList = findBrotherCheckBox(entity);
//判断是否有同级
if(brotherList.length > 0){
//遍历同级checkbox
for(var i = 0; i < brotherList.length; i++){
//如果同级的checkbox有未选中的状态,则设置上级的checkbox的状态为false
if(brotherList[i].checked == false){
parentChecked = true;
break;
}
}
}
//设置上级checkbox的选中状态
parentCheckBox.checked = parentChecked;
//设置parentCheckbox的上级checkbox的状态
setParentCheckBox(parentCheckBox);
}
}
</script>
</HEAD>
<BODY>
<table>
<tr>
<td colspan="2"><input type="checkbox" name="chkAllBill" id="chkAllBill" upid="0" onclick="checkedStatus(this);">ALL</td>
</tr>
<tr>
<td colspan="2"><input type="checkbox" name="chkBill" id="chkBill1" upid="chkAllBill" value="chkBill1" onclick="checkedStatus(this);">Root111</td>
</tr>
<tr>
<td> </td>
<td>
<table>
<tr>
<td colspan='2'>
<input type="checkbox" name="chkMat1" id="chkMat11" upid="chkBill1" value="chkMat11" onclick="checkedStatus(this);">Product111
</td>
</tr>
<tr>
<td> </td>
<td>
<table>
<tr>
<td>
<input type="checkbox" id="chkMat11-1" upid="chkMat11" onclick="checkedStatus(this);">childMat111
</td>
</tr>
<tr>
<td>
<input type="checkbox" id="chkMat11-2" upid="chkMat11" onclick="checkedStatus(this);">childMat222
</td>
</tr>
<tr>
<td>
<input type="checkbox" id="chkMat11-3" upid="chkMat11" onclick="checkedStatus(this);">childMat333
</td>
</tr>
<tr>
<td>
<input type="checkbox" id="chkMat11-4" upid="chkMat11" onclick="checkedStatus(this);">childMat444
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td><input type="checkbox" name="chkMat1" id="chkMat12" upid="chkBill1" value="chkMat12" onclick="checkedStatus(this);">Product222</td>
</tr>
<tr>
<td><input type="checkbox" name="chkMat1" id="chkMat13" upid="chkBill1" value="chkMat13" onclick="checkedStatus(this);">Product333</td>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="2"><input type="checkbox" name="chkBill" id="chkBill2" upid="chkAllBill" value="chkBill2" onclick="checkedStatus(this);">Root222</td>
</tr>
<tr>
<td> </td>
<td>
<table>
<tr>
<td><input type="checkbox" name="chkMat2" id="chkMat21" upid="chkBill2" value="chkMat21" onclick="checkedStatus(this);">Product111</td>
</tr>
<tr>
<td><input type="checkbox" name="chkMat2" id="chkMat22" upid="chkBill2" value="chkMat22" onclick="checkedStatus(this);">Product222</td>
</tr>
<tr>
<td><input type="checkbox" name="chkMat2" id="chkMat23" upid="chkBill2" value="chkMat23" onclick="checkedStatus(this);">Product333</td>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="2"><input type="checkbox" name="chkBill" id="chkBill3" upid="chkAllBill" value="chkBill3" onclick="checkedStatus(this);">Root333</td>
</tr>
<tr>
<td> </td>
<td>
<table>
<tr>
<td><input type="checkbox" name="chkMat3" id="chkMat31" upid="chkBill3" value="chkMat31" onclick="checkedStatus(this);">Product111</td>
</tr>
<tr>
<td><input type="checkbox" name="chkMat3" id="chkMat32" upid="chkBill3" value="chkMat32" onclick="checkedStatus(this);">Product222</td>
</tr>
<tr>
<td><input type="checkbox" name="chkMat3" id="chkMat33" upid="chkBill3" value="chkMat33" onclick="checkedStatus(this);">Product333</td>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="2">
<textarea name="txtare" id="txtare" cols="50" rows="5">