js联动效果

引用自：http://www.yongfa365.com/Item/ErJiLianDongSanJiLianDongDuoJiLianDongWuXianJiLianDongXiaLaLieBiaoHuoCaiDanZhuanTi.html

 

 

 

写道

<script language="JavaScript" type="text/javascript">
//ChangeSelect(上一级的值,下一级Select控件的ID值,下一级Select控件要选中的值(即value而非text),数据源数组名,默认显示字符(如:请选择...如果不写的话会用默认值填充))，第一级的上级值为0
function ChangeSelect(ParentValue, NextId, NextSelectedValue, ArrObj,DefaultStr)
{
StrObj = eval(document.getElementById(NextId));
StrObj.length = 0;
//判断它是二级数据源，还是三级
if (ArrObj.length > 0)
{
if (ArrObj[0].length == 2)
{ArrNum = 0;}
else
{ArrNum = 2;}
}
//显示所有列表
for (i = 0; i < ArrObj.length; i++)
{
if (i == 0)
{
if (DefaultStr == undefined ) DefaultStr="==请选择==";
StrObj.options[StrObj.length] = new Option(DefaultStr, "");
}
if (ArrObj[i][1] == ParentValue)
{
StrObj.options[StrObj.length] = new Option(ArrObj[i][0],ArrObj[i][ArrNum]);
}
}
//选中列表内某一项
for (i = 0; i < StrObj.length; i++)
{
if (StrObj.options[i].value == NextSelectedValue)
{
StrObj.options[i].selected = true;
}
}
//激发下一级的onchange事件以实现多级级联
StrObj.onchange();
}
//公司二维数组数据源
Office = [
["CategoryName","ParentCategoryName"],
["业务部","0"],
["技术部","0"],
["市场部","0"],
["业务部小柳","业务部"],
["业务部小杨","业务部"],
["业务部小菜","业务部"],
["技术部老柳","技术部"],
["技术部老杨","技术部"],
["技术部老菜","技术部"],
["市场部柳先生","市场部"],
["市场部杨先生","市场部"],
["市场部菜鸟","市场部"]
]
//省市二维数组数据源
City2 = [
["CategoryName","ParentCategoryName"],
["山西省","0"],
["河北省","0"],
["太原市","山西省"],
["运城市","山西省"],
["石家庄","河北省"],
["廊房","河北省"]
]
//省市三维数组数据源
City3 = [
["CategoryName","ParentId","Id"],
["北京","0","010"],
["山西","0","0359"],
["朝阳区","010","001"],
["海淀区","010","002"],
["豆各庄","001","101"],
["十里堡","001","102"],
["中关村","002","201"],
["上地","002","202"],
["运城地区","0359","301"],
["太原市","0359","302"],
["永济市","301","311"],
["小区","302","312"]
];
</script>
<select id="office1" onchange="ChangeSelect(this.value,'office2','',Office,'==人员==')" style="width:100px"></select>
<select id="office2" onchange="" style="width:100px"></select>
<script language="JavaScript" type="text/javascript">ChangeSelect('0','office1','',Office,'==部门==') </script>
<br />
<select id="City001" onchange="ChangeSelect(this.value,'City002','',City2)" style="width:100px"></select>
<select id="City002" onchange="" style="width:100px"></select>
<script language="JavaScript" type="text/javascript">ChangeSelect('0','City001','',City2) </script>
<br />
<select id="City3001" onchange="ChangeSelect(this.value,'City3002','',City3)" style="width:100px"></select>
<select id="City3002" onchange="ChangeSelect(this.value,'City3003','',City3)" style="width:100px"></select>
<select id="City3003" onchange="" style="width:100px"></select>
<script language="JavaScript" type="text/javascript">ChangeSelect('0','City3001','0359',City3) </script>
<br />