----Updata.jsp----
<table width="100%" border="1">
<tr>
<td width="20%">
<IFRAME name="ifrmtest" frameborder = "0" SRC="SelectArea.jsp"></IFRAME>
</td>
<td width="50%">
<IFRAME name="ifrmtest" frameborder = "0" SRC="Area.jsp"></IFRAME>
</td>
<td width="30%">
<IFRAME name="ifrmtest" frameborder = "0" SRC="SubmitArea.jsp"></IFRAME>
</td>
</tr>
<tr>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SelectWell.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="Well.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SubmitWell.jsp"></IFRAME>
</td>
</tr>
<tr>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SelectTime.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="Time.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SubmitTime.jsp"></IFRAME>
</td>
</tr>
<tr>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SelectSub.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="Sub.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SubmitSub.jsp"></IFRAME>
</td>
</tr>
<tr>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SelectType.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="Picture.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SubmitPicture.jsp"></IFRAME>
</td>
</tr>
</table>----SelectArea.jsp----
<form id="form_area" name="form_area" method="post" action="SelectWell.jsp">
<label>区块
<select name="select_area" id="selectArea" size="1" onchange="changewell();">
<option id="1" value="BZ">渤中</option>
<option id="2" value="BN">渤南</option>
<option id="3" value="BX">渤西</option>
<option id="4" value="LDW">辽东湾</option>
<script language="javaScript"></script>
</select>
</label>
</form>----SelectWell.jsp----
<form id="form_well" name="form_well" method="post" action="">
<label>井名
<select name="select_well">
<option>请选择</option><script language="javaScript"></script> </select>
</label>
</form>对不起,新手,第一次用jsp.什么都不会.暂时没有积分,请大家帮忙.
我想要实现在SelectArea表单中选择某个区块后,在SelectWell中自动将所有Well名添加到表单里.
Well信息是通过Area的Id来获取的.
public class WellBuild
{
public WellSet wellset;
public void BuildWell(int AreaId, String xml)
{
try
{
System.out.println(xml);
SAXBuilder builder = new SAXBuilder(false);
InputStream in = new ByteArrayInputStream(xml.getBytes());
Document doc = builder.build(in);
Element root = doc.getRootElement();
if(root.getName().compareTo("WellList")==0)
{
StringBuffer str = new StringBuffer();
List list = root.getChildren("Well"); wellset = new WellSet();
for(int i=0;i<list.size();i++)
{
Element well = (Element)list.get(i);
String name = well.getAttributeValue("name");
int id = Integer.parseInt(well.getAttributeValue("id"));
int areaid =Integer.parseInt(well.getAttributeValue("areaId"));
if(areaid == AreaId)
{
wellset.AddWell(id, name, areaid);
}
}
}
}
catch(Exception ex)
{
System.out.print(ex.toString());
ex.printStackTrace();
}
}
}
请大侠们浪费一点时间,帮我一下.谢谢.
<table width="100%" border="1">
<tr>
<td width="20%">
<IFRAME name="ifrmtest" frameborder = "0" SRC="SelectArea.jsp"></IFRAME>
</td>
<td width="50%">
<IFRAME name="ifrmtest" frameborder = "0" SRC="Area.jsp"></IFRAME>
</td>
<td width="30%">
<IFRAME name="ifrmtest" frameborder = "0" SRC="SubmitArea.jsp"></IFRAME>
</td>
</tr>
<tr>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SelectWell.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="Well.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SubmitWell.jsp"></IFRAME>
</td>
</tr>
<tr>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SelectTime.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="Time.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SubmitTime.jsp"></IFRAME>
</td>
</tr>
<tr>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SelectSub.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="Sub.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SubmitSub.jsp"></IFRAME>
</td>
</tr>
<tr>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SelectType.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="Picture.jsp"></IFRAME>
</td>
<td>
<IFRAME name="ifrmtest" frameborder = "0" SRC="SubmitPicture.jsp"></IFRAME>
</td>
</tr>
</table>----SelectArea.jsp----
<form id="form_area" name="form_area" method="post" action="SelectWell.jsp">
<label>区块
<select name="select_area" id="selectArea" size="1" onchange="changewell();">
<option id="1" value="BZ">渤中</option>
<option id="2" value="BN">渤南</option>
<option id="3" value="BX">渤西</option>
<option id="4" value="LDW">辽东湾</option>
<script language="javaScript"></script>
</select>
</label>
</form>----SelectWell.jsp----
<form id="form_well" name="form_well" method="post" action="">
<label>井名
<select name="select_well">
<option>请选择</option><script language="javaScript"></script> </select>
</label>
</form>对不起,新手,第一次用jsp.什么都不会.暂时没有积分,请大家帮忙.
我想要实现在SelectArea表单中选择某个区块后,在SelectWell中自动将所有Well名添加到表单里.
Well信息是通过Area的Id来获取的.
public class WellBuild
{
public WellSet wellset;
public void BuildWell(int AreaId, String xml)
{
try
{
System.out.println(xml);
SAXBuilder builder = new SAXBuilder(false);
InputStream in = new ByteArrayInputStream(xml.getBytes());
Document doc = builder.build(in);
Element root = doc.getRootElement();
if(root.getName().compareTo("WellList")==0)
{
StringBuffer str = new StringBuffer();
List list = root.getChildren("Well"); wellset = new WellSet();
for(int i=0;i<list.size();i++)
{
Element well = (Element)list.get(i);
String name = well.getAttributeValue("name");
int id = Integer.parseInt(well.getAttributeValue("id"));
int areaid =Integer.parseInt(well.getAttributeValue("areaId"));
if(areaid == AreaId)
{
wellset.AddWell(id, name, areaid);
}
}
}
}
catch(Exception ex)
{
System.out.print(ex.toString());
ex.printStackTrace();
}
}
}
请大侠们浪费一点时间,帮我一下.谢谢.
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http://www.w3cgroup.com/article.asp?id=201Javascript实现的多级联动选择框EasyUS(union select) V1.0
。支持静态数据与Ajax获取
。支持每级联动和全部联动
。最小单元格式:[ID,parentID,text]
如果可以的话,帮我做个小例子吧.
******
选择区块后,自动通过ID从数据库中获取井信息,添加到select列表里.
Cityselect = null;
function select(pointor){
document.getElementById('txt_province').value = document.getElementById("province").options[window.document.getElementById("province").selectedIndex].text;
//document.getElementById('value_province').value = document.getElementById('sCity_province').value;
Cityscript = null;
Cityscript = document.createElement("script");
Cityscript.type = "text/javascript";
document.body.appendChild(Cityscript);
Cityselect = document.getElementById('city');
Cityscript.src = "path?pid=" + pointor.value + "&datetime=" + new Date().toLocaleTimeString();
} //改变信息
function addItem(value,text)
{
var op=document.createElement('Option');
op.text=text;
op.value=value;
Cityselect.options.add(op);
}
JS做异步提交,在后台out.pring也可以,这只是一个类似的想法
用AJAX来的快些 而且好控制
或者用asp的那种 存个临时变量控制也好
C#。NET的,可以做为参考
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="table_dropdownlist.aspx.cs" Inherits="mytest_table_dropdownlist" %><!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 runat="server">
<title>无标题页</title>
<script type="text/javascript">
var step="";//step表示是第几级的联动
//异步回调
function callServer(input,str)//step表示是第几级的联动
{
debugger;
step = str;
// var arg = step + input.value; //区别是哪一个层次的回调
var arg=input.value;
//删除原来的控件
DeleteTableCol();
if(input.value != "0")//选择了有意义的值,在这里,下拉框里有一行是请选择,对应的value为0
{
//添加联动控件
AddTableCol();
var context= document.getElementById("ddl"+step);
<%= ClientScript.GetCallbackEventReference(this, "arg", "receiveServerData", "context")%>;
}
}
//接受服务器回传的数据
function receiveServerData(_serverResult, context)
{
context.length=0;
//如果回调值为空,说明上一级的回调没有子集了,则删除在触发回调时添加的控件
if(_serverResult.length == 0)
{
DeleteTableCol();
}
else
{
var arrData = _serverResult.split(",");
for (var i = 0; i < arrData.length; i++)
{
var data = arrData[i].split("@");
context.options[context.length] = new Option(data[1],data[0]);
}
}
}
function AddTableCol()
{
var tr=document.getElementById("mytr");
newtd=tr.insertCell();
newtd.id="td"+step;
var id = "ddl"+step;
var i = Number(step)+1;
newtd.innerHTML="<select id=\""+id+"\" style='width:100px;' onchange='callServer(this,"+i+")'><option></option></select>";
newtd.style.width="100px";
}
function DeleteTableCol()
{
var tdnum=document.getElementById("mytr").cells.length;
var tr=document.getElementById("mytr");
for (var i=tdnum-1; i>step; i--)
{
try{
tr.deleteCell(i);
}
catch(e)
{;}
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<table id="mytb">
<tr id="mytr">
<td><asp:DropDownList ID="ddl" runat="server" onchange="callServer(this,0)">
</asp:DropDownList></td>
</tr>
</table>
</div>
</form>
</body>
</html>
public partial class mytest_table_dropdownlist : System.Web.UI.Page, ICallbackEventHandler
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
ddl.DataSource = DataAccess.ExecuteSelectCommand("select MeetingRoomSubregionID,MRSName from tblMeetingRoomSubregion where MRSParentID=0");
this.ddl.DataTextField = "MRSName";
this.ddl.DataValueField = "MeetingRoomSubregionID";
this.ddl.DataBind();
this.ddl.Items.Insert(0, new ListItem("--请选择--", "0"));
}
}
private string _serverResult = ""; // 用于保存回调内容
public void RaiseCallbackEvent(string eventArgument)
{
DataTable mydt = DataAccess.ExecuteSelectCommand("select MeetingRoomSubregionID as id,MRSName as name from tblMeetingRoomSubregion where MRSParentID=" + eventArgument + "");
if (mydt != null)
{
if (mydt.Rows.Count != 0)
{
_serverResult = "0" + "@" + "--请选择--";
}
foreach (DataRow row in mydt.Rows)
{
if (_serverResult.Equals(string.Empty))
{
_serverResult = row["id"] + "@" + row["name"].ToString();
}
else
{
_serverResult = _serverResult + "," + row["id"] + "@" + row["name"].ToString();
}
}
}
}
//返回数据结果
public string GetCallbackResult()
{
return _serverResult;
}
}