用XML实现三级联动下拉列表框

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'';
/*选择部门
id是用于区分同一个页面里多组这样的联动下拉列表框*/
function ChooseDept(id)
{
var selDept;
if(id==0)
selDept=frmPrograms.selDept;
else
selDept=frmPrograms.selDept1;
//var sourceName = "./dept_divi_sect.php";
//用于生成xml的程序文件，
//这里我为了大家有一个直观的感觉，写了一段示例XML代替，
//如果要加载XML文件，下面就改用load()。
var source = new ActiveXObject('Microsoft.XMLDOM');
source.async = false;
//source.load(sourceName);
source.loadXML(dept_divi_sect);
root = source.documentElement;
sortFieldText=root.selectNodes("/DEPT_DIVI_SECT/DEPT/@NAME");
sortFieldValue=root.selectNodes("/DEPT_DIVI_SECT/DEPT/@ID");
var oOption = document.createElement('OPTION');
oOption.text = " 请选择 ";
oOption.value = "-1";
selDept.options.add(oOption);
for(var i=0;i {
var oOption = document.createElement('OPTION');
oOption.text = " "+sortFieldText.text+" ";


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oOption.value = sortFieldValue.text;
selDept.options.add(oOption);
}
ChooseDivi(id);
}
/*选择处室*/
function ChooseDivi(id)
{
var selDept;
var selDivi;
if(id==0)
{
selDept=frmPrograms.selDept;
selDivi=frmPrograms.selDivi;
}
else
{
selDept=frmPrograms.selDept1;
selDivi=frmPrograms.selDivi1;
}
x=selDept.selectedIndex;
y=selDept.options[x].value;
sortFieldText=root.selectNodes("/DEPT_DIVI_SECT/DEPT[@ID='"+y+"']/DIVI/@NAME");
sortFieldValue=root.selectNodes("/DEPT_DIVI_SECT/DEPT[@ID='"+y+"']/DIVI/@ID");
for(var i=selDivi.options.length-1;i>=0;--i)
{
selDivi.options.remove(i)
}
var oOption = document.createElement('OPTION');
oOption.text = " 请选择 ";
oOption.value = "-1";
selDivi.options.add(oOption);
for(i=0;i {
var oOption = document.createElement('OPTION');
计算机教程用XML实现三级联动下拉列表框来自www.itwen.comIT WEN计算机教程网

oOption.text = " "+sortFieldText.text+" ";
oOption.value = sortFieldValue.text;
selDivi.options.add(oOption);
}
ChooseSect(id);
}
/*选择科室*/
function ChooseSect(id)
{
var selDept;
var selDivi;
var selSect;
if(id==0)
{
selDept=frmPrograms.selDept;
selDivi=frmPrograms.selDivi;
selSect=frmPrograms.selSect;
}
else
{
selDept=frmPrograms.selDept1;
selDivi=frmPrograms.selDivi1;
selSect=frmPrograms.selSect1;
}
x1=selDept.selectedIndex;
y1=selDept.options[x1].value;
x2=selDivi.selectedIndex;
y2=selDivi.options[x2].value;
if(x2==0)
{
sortFieldText=root.selectNodes("/DEPT_DIVI_SECT/DEPT[@ID='"+y1+"']//SECT/@NAME");
sortFieldValue=root.selectNodes("/DEPT_DIVI_SECT/DEPT[@ID='"+y1+"']//SECT/@ID");
}
else
{
sortFieldText=root.selectNodes("/DEPT_DIVI_SECT/DEPT[@ID='"+y1+"']/DIVI[@ID='"+y2+"']/SECT/@NAME");
sortFieldValue=root.selectNodes("/DEPT_DIVI_SECT/DEPT[@ID='"+y1+"']/DIVI[@ID='"+y2+"']/SECT/@ID");
}
for(var i=selSect.options.length-1;i>=0;--i)

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{
selSect.options.remove(i)
}
var oOption = document.createElement('OPTION');
oOption.text = " 请选择 ";
oOption.value = "-1";
selSect.options.add(oOption);
for(i=0;i {
var oOption = document.createElement('OPTION');
oOption.text = " "+sortFieldText.text+" ";
oOption.value = sortFieldValue.text;
selSect.options.add(oOption);
}
}









  部门名称






  处室名称




  科室名称










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LeeTien

兄弟这是JS代码
网页编程用的