<script language="javascript">
function change(str1,str2)
{
str2.value=str1.value
}</script>
<select size="1" name="select1" onchange="change(select1,select2)">
<option value='1'>1</option>
<option value='2'>2</option>
</select><select size="1" name="select2" onchange="change(select2,select1)"> <option value='1'>1</option>
<option value='2'>2</option></select>
function change(str1,str2)
{
str2.value=str1.value
}</script>
<select size="1" name="select1" onchange="change(select1,select2)">
<option value='1'>1</option>
<option value='2'>2</option>
</select><select size="1" name="select2" onchange="change(select2,select1)"> <option value='1'>1</option>
<option value='2'>2</option></select>
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样例代码:
var URLStr = "b.jsp";//后面接一些参数传递你的值
var XMLObj = new ActiveXObject("Msxml2.XMLHTTP");
XMLObj.Open("get",URLStr,false);
XMLObj.Send();
var BarStr = XMLObj.responseText ;//返回结果
document.all.B.innerHTML = BarStr ;//将新值覆盖就的选择的值
我做过很多的
大概思路是把需要的数据先在页面中生成XML
然后通过js控制显示,不需要再去读取数据,增加服务器负担了
'生成与二级单位的下拉菜单关联JavaScript
Sub Script_YD(Table_Name)
response.write "<SCRIPT LANGUAGE=JavaScript>"
response.write " " '生成与二级单位的关联菜单中用到的数组
response.write "var arrItems1 = new Array();"
response.write "var arrItemsGrp1 = new Array();"
response.write "var arrItemsGrpv1 = new Array();" sql="select distinct 建设单位,油区 from "&Table_Name
set rs = conn.execute(sql)
i = 0
do while not rs.eof
response.write "arrItems1["&i&"] = '"&rs("建设单位")&"';"
response.write "arrItemsGrpv1["&i&"] = '"&rs("建设单位")&"';"
response.write "arrItemsGrp1["&i&"] = '"&rs("油区")&"';"
rs.movenext
i = i+1
loop
rs.close()
response.write "</script>"
%> <script language="JavaScript">
<!--
function selectChange(control, controlToPopulate, ItemArray, GroupArray, GroupValue)
{
var myEle ;
// 清空二级下拉菜单
for (var q=controlToPopulate.options.length;q>=0;q--)
controlToPopulate.options[q]=null;
// 如果没有值的话,加入默认的空值下拉选项
myEle = document.createElement("option") ;
myEle.value = "" ;
myEle.text = " " ;
controlToPopulate.add(myEle) ;
// 通过循环
// 加入二级与三级下拉菜单的
// 显示内容
for ( x = 0 ; x < ItemArray.length ; x++ )
{
if ( GroupArray[x] == control.value )
{
myEle = document.createElement("option") ;
myEle.value = GroupValue[x] ;
myEle.text = ItemArray[x] ;
controlToPopulate.add(myEle) ;
}
}
}
// End -->
</script>
<%
End Sub
%><%
'生成油区与区块的二极管联菜单
Sub Script_YQ(Table_Name)
response.write "<SCRIPT LANGUAGE=JavaScript>"
response.write " " '生成与二级单位的关联菜单中用到的数组
response.write "var arrItems1 = new Array();"
response.write "var arrItemsGrp1 = new Array();"
response.write "var arrItemsGrpv1 = new Array();" sql="select distinct 计划区块,油区 from "&Table_Name
set rs = conn.execute(sql)
i = 0
do while not rs.eof
response.write "arrItems1["&i&"] = '"&rs("计划区块")&"';"
response.write "arrItemsGrpv1["&i&"] = '"&rs("计划区块")&"';"
response.write "arrItemsGrp1["&i&"] = '"&rs("油区")&"';"
rs.movenext
i = i+1
loop
rs.close()
response.write "</script>"
%>
<script language="JavaScript">
<!--
function selectChange(control, controlToPopulate, ItemArray, GroupArray, GroupValue)
{
var myEle ;
// 清空二级下拉菜单
for (var q=controlToPopulate.options.length;q>=0;q--)
controlToPopulate.options[q]=null;
// 如果没有值的话,加入默认的空值下拉选项
myEle = document.createElement("option") ;
myEle.value = "" ;
myEle.text = " " ;
controlToPopulate.add(myEle) ;
// 通过循环
// 加入二级与三级下拉菜单的
// 显示内容
for ( x = 0 ; x < ItemArray.length ; x++ )
{
if ( GroupArray[x] == control.value )
{
myEle = document.createElement("option") ;
myEle.value = GroupValue[x] ;
myEle.text = ItemArray[x] ;
controlToPopulate.add(myEle) ;
}
}
}
// End -->
</script>
<%
End Sub
%><%
'生成油区与项目名称的二极管联菜单
Sub Script_YX(Table_Name)
response.write "<SCRIPT LANGUAGE=JavaScript>"
response.write " " '生成与二级单位的关联菜单中用到的数组
response.write "var arrItems1 = new Array();"
response.write "var arrItemsGrp1 = new Array();"
response.write "var arrItemsGrpv1 = new Array();" sql="select distinct 项目名称,油区 from "&Table_Name
set rs = conn.execute(sql)
i = 0
do while not rs.eof
response.write "arrItems1["&i&"] = '"&rs("项目名称")&"';"
response.write "arrItemsGrpv1["&i&"] = '"&rs("项目名称")&"';"
response.write "arrItemsGrp1["&i&"] = '"&rs("油区")&"';"
rs.movenext
i = i+1
loop
rs.close()
response.write "</script>"
%>
<script language="JavaScript">
<!--
function selectChange(control, controlToPopulate, ItemArray, GroupArray, GroupValue)
{
var myEle ;
// 清空二级下拉菜单
for (var q=controlToPopulate.options.length;q>=0;q--)
controlToPopulate.options[q]=null;
// 如果没有值的话,加入默认的空值下拉选项
myEle = document.createElement("option") ;
myEle.value = "" ;
myEle.text = " " ;
controlToPopulate.add(myEle) ;
// 通过循环
// 加入二级与三级下拉菜单的
// 显示内容
for ( x = 0 ; x < ItemArray.length ; x++ )
{
if ( GroupArray[x] == control.value )
{
myEle = document.createElement("option") ;
myEle.value = GroupValue[x] ;
myEle.text = ItemArray[x] ;
controlToPopulate.add(myEle) ;
}
}
}
// End -->
</script>
<%
End Sub
%>
<%
'生成、二级单位、区块三者相关联的JavaScript
Sub Script_YDQ(Table_Name)
response.write "<SCRIPT LANGUAGE=JavaScript>"
response.write " " '生成与二级单位的关联菜单中用到的数组
response.write "var arrItems1 = new Array();"
response.write "var arrItemsGrp1 = new Array();"
response.write "var arrItemsGrpv1 = new Array();" sql="select distinct 建设单位,油区 from "&Table_Name
set rs = conn.execute(sql)
i = 0
do while not rs.eof
response.write "arrItems1["&i&"] = '"&rs("建设单位")&"';"
response.write "arrItemsGrpv1["&i&"] = '"&rs("建设单位")&"';"
response.write "arrItemsGrp1["&i&"] = '"&rs("油区")&"';"
rs.movenext
i = i+1
loop
rs.close() '生成二级单位与区块关联菜单中用到的数组
response.write "var arrItems2 = new Array();"
response.write "var arrItemsGrp2 = new Array();"
response.write "var arrItemsGrpv2 = new Array();" sql = "select distinct 计划区块,建设单位,油区 from 钻井工程汇总"
set rs = conn.execute(sql)
j = 0
do while not rs.eof
response.write "arrItems2["&j&"] = '"&rs("计划区块")&"';"
'存放生成的<option>的value值
response.write "arrItemsGrpv2["&j&"] = '"&rs("计划区块")&"';"
response.write "arrItemsGrp2["&j&"] = '"&rs("建设单位")&"';"
rs.movenext
j = j+1
loop
rs.close() response.write" "
response.write"//End -->"
response.write "</script>"
%>
<script language="JavaScript">
<!--
function selectChange(control, controlToPopulate, ItemArray, GroupArray, GroupValue)
{
var myEle ;
// 清空二级下拉菜单
for (var q=controlToPopulate.options.length;q>=0;q--) controlToPopulate.options[q]=null;
if (control.name == "dwmc") {
// 清空三级下拉菜单
for (var q=myChoices.qk.options.length;q>=0;q--)
myChoices.qk.options[q] = null;
}
// 如果没有值的话,加入默认的空值下拉选项
myEle = document.createElement("option") ;
myEle.value = "" ;
myEle.text = " " ;
controlToPopulate.add(myEle) ;
// 通过循环
// 加入二级与三级下拉菜单的
// 显示内容
for ( x = 0 ; x < ItemArray.length ; x++ )
{
if ( GroupArray[x] == control.value )
{
myEle = document.createElement("option") ;
myEle.value = GroupValue[x] ;
myEle.text = ItemArray[x] ;
controlToPopulate.add(myEle) ;
}
}
}
// End -->
</script>
<%
End Sub
%>
/*
读取系统模块列表
*/ public String listControl_Select(String s_mode) throws SQLException
{
Tools tool=new Tools();
DBConn conn=new DBConn();
String reString="";
String sql="select mode,modename from control order by mode";
String mode="",modename="";
ResultSet rs=null;
rs=conn.executeQuery(sql);
reString+="<select name=mode><option value=''></option>";
while(rs.next()){
mode=rs.getString("mode");
modename=rs.getString("modename");
reString+="<option value="+mode ;
if(s_mode.equals(mode)){
reString+=" selected";
}
reString+=">"+modename+"</option>";
}
reString+="</select>";
conn.close();
return reString;
} /*
读取系统子模块列表
*/ public String listFunctionControl_Select(String s_functionid) throws SQLException
{
Tools tool=new Tools();
DBConn conn=new DBConn();
String reString="";
String sql="select functionid,functionname from functioncontrol order by functionid";
String functionid="",functionname="";
ResultSet rs=null;
rs=conn.executeQuery(sql);
reString+="<select name=functionid><option value=''></option>";
while(rs.next()){
functionid=rs.getString("functionid");
functionname=rs.getString("functionname");
reString+="<option value="+functionid ;
if(s_functionid.equals(functionid)){
reString+=" selected";
}
reString+=">"+functionname+"</option>";
}
reString+="</select>";
conn.close();
return reString;
}