Ajax+Struts+Hibernate实现级联下拉单

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Struts Ajax Hibernate Myeclipse Apache

Ajax+Struts+Hibernate实现级联下拉单
转自:http://www.blogjava.net/rain1102/articles/69348.html
-------------------------------------------------------------------

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

function refreshModelList(){

var oneName=document.getElementById("kindone").value;

if(oneName==""){

clearlist();

return;

}

var url="kind.do?method=search&&kindid="+oneName;

createXMLHttpRequest();

xmlHttp.onreadystatechange=handleStateChange;

xmlHttp.open("GET",url,true);

xmlHttp.send(null);

}

function handleStateChange(){

if(xmlHttp.readyState==4){

if(xmlHttp.status==200){

setNames();

}

function clearlist(){

var models=document.getElementById("kindtwo");

while(models.childNodes.length>0){

models.removeChild(models.childNodes[0]);

}

function setNames(){

clearlist();

var models=document.getElementById("kindtwo");

var xmlDoc=xmlHttp.responseXML;

var results=xmlDoc.getElementsByTagName("kind");

var option=null;

for(var i=0;i<results.length;i++){

option=document.createElement("option");

option.appendChild(document.createTextNode(results[i].firstChild.nodeValue));

models.appendChild(option);

}

</script>

</head>

<body>

<h2>dynamicLists</h2>

</select>

</select>

</body>

</html>

* Generated by MyEclipse Struts

* Template path: templates/java/JavaClass.vtl

package com.rain.struts.action;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.Iterator;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.ActionForward;

import org.apache.struts.action.ActionMapping;

import org.apache.struts.actions.DispatchAction;

import org.apache.struts.validator.DynaValidatorForm;

import com.rain.bean.KindDao;

/**

* MyEclipse Struts

* Creation date: 09-13-2006

* XDoclet definition:

* @struts.action parameter="method"

public class KindAction extends DispatchAction {

* Generated Methods

/**

* Method execute

* @param mapping

* @param form

* @param request

* @param response

* @return ActionForward

public ActionForward search(ActionMapping mapping, ActionForm form,

HttpServletRequest request, HttpServletResponse response) {

DynaValidatorForm kindForm = (DynaValidatorForm)form;

KindDao dao=new KindDao();

int kindid=Integer.parseInt(kindForm.getString("kindid"));

List list=dao.findAllKind(kindid);

Iterator it=list.iterator();

if(it.hasNext()){

PrintWriter out;

try {

response.setContentType("text/xml;charset=UTF-8");

response.setHeader("Cache-Control", "no-cache");

out = response.getWriter();

out.println("<response>");

while(it.hasNext()){

String name=it.next().toString();

out.println("<kind>"+name+"</kind>");

}

out.println("</response>");

it=null;

out.close();

} catch (IOException e) {

// TODO 自动生成 catch 块

e.printStackTrace();

}

}else{

response.setStatus(HttpServletResponse.SC_NO_CONTENT);

}

// TODO Auto-generated method stub

return null;

}

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J2EE开发架构大总结 | ORACLE之常用FAQ V1.0

2006-12-11 22:06
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1 楼 lang3126 2008-10-30

楼主，那个common.js文件是哪个？不提供下载吗？

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