ajax表单级联-----晕到死

public class ProdAttrValueType extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

response.setContentType("text/xml");

String xml_start="<selects>";

String xml_end="</selects>";

ServletContext sc=this.getServletContext();

WebApplicationContext wc=WebApplicationContextUtils.getWebApplicationContext(sc);

PrintWriter out = response.getWriter();

IProdOfferAttrDao tt=(IProdOfferAttrDao)wc.getBean("prodAttrDao");

StringBuffer sb=new StringBuffer("");

List list=tt.getAttrValueType();

if(list!=null){

Iterator it=list.iterator();

while(it.hasNext()){

ProdOfferAttrActionForm pf=(ProdOfferAttrActionForm)it.next();

//System.out.println(pf.getAttr_Val_Type());"+pf.getAttr_Val_Type()+"

sb.append("<select><value>111</value><text>"+pf.getAttr_Val_Type()+"</text></select>");

}

System.out.print(sb.toString());

//out.print()

out.write(xml_start+sb.toString()+xml_end);

out.flush();

out.close();

}

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ajax表单级联-----晕到死

作者：王永庆

2007-12-19 23:46

var xmlHttp;

function createXMLHttpRequest(url){

if(window.ActiveXObject){

xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");

}else if(window.XMLHttpRequest){

xmlHttp=new XMLHttpRequest();

}

if(xmlHttp){

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

xmlHttp.onreadystatechange=function(){setState()};

xmlHttp.send(null);

}

function setState(){

var selTexts=document.getElementById("selText");

if(xmlHttp.readyState==4){

if(xmlHttp.status==200){

parseMessage();

//alert(xmlHttp.responseText);

//selTexts.innerHTML=xmlHttp.responseText;

}

function parseMessage()

{

var xmlDoc=xmlHttp.responseXML.documentElement;

var xSel=xmlDoc.getElementsByTagName('select');

var select_root=document.getElementById('selText');

select_root.options.length=0;

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

{

var xValue=xSel[i].childNodes[0].firstChild.nodeValue;

var xText=xSel[i].childNodes[1].firstChild.nodeValue;

var option=new Option(xText,xValue);

try{

select_root.add(option);

}catch(e){

}

function getAttrValue(){

var selvalue=document.forms.select1.options[document.forms.select1.selectedIndex].value;

var url="../../../ProdAttrValueType";

if(selvalue==0){

document.getElementById('defaltId').disabled="";

document.getElementById('select2').disabled="disabled";

}else if(selvalue==1){

document.getElementById('defaltId').disabled="disabled";

document.getElementById('select2').disabled="disabled";

}else if(selvalue==2){

document.getElementById('defaltId').disabled="";

document.getElementById('select2').disabled="";

createXMLHttpRequest(url);

}

</script>

public class ProdAttrValueType extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

response.setContentType("text/xml");

String xml_start="<selects>";

String xml_end="</selects>";

ServletContext sc=this.getServletContext();

WebApplicationContext wc=WebApplicationContextUtils.getWebApplicationContext(sc);

PrintWriter out = response.getWriter();

IProdOfferAttrDao tt=(IProdOfferAttrDao)wc.getBean("prodAttrDao");

StringBuffer sb=new StringBuffer("");

List list=tt.getAttrValueType();

if(list!=null){

Iterator it=list.iterator();

while(it.hasNext()){

ProdOfferAttrActionForm pf=(ProdOfferAttrActionForm)it.next();

//System.out.println(pf.getAttr_Val_Type());"+pf.getAttr_Val_Type()+"

sb.append("<select><value>111</value><text>"+pf.getAttr_Val_Type()+"</text></select>");

}

System.out.print(sb.toString());

//out.print()

out.write(xml_start+sb.toString()+xml_end);

out.flush();

out.close();

}

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最后更新于： 2007-12-19 23:46

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