ajax
脚本function getActDefined(stateVal) {
var url = "/servlet/InitAddCustSelect?servCode=" + stateVal;
if (window.XMLHttpRequest) {
req = new XMLHttpRequest();
} else if (window.ActiveXObject) {
req = new ActiveXObject("Microsoft.XMLHTTP");
}
if(req) {
req.open("GET", url, true);
req.onreadystatechange = complete;
req.send(null);
}
}
function complete() {
if (req.readyState == 4) {
if (req.status == 200) {
var values = req.responseXML.getElementsByTagName("actDefinedId");
var lables = req.responseXML.getElementsByTagName("name");
var ips = req.responseXML.getElementsByTagName("ipnums");
var firstInstallFee = req.responseXML.getElementsByTagName("firstInstallFee");
var prepayFee = req.responseXML.getElementsByTagName("prepayFee");
document.theForm.Act_define_id.length = values.length;
for(var i = 0; i < values.length; i++) {
document.theForm.Act_define_id.options.value = values.firstChild.data;
document.theForm.Act_define_id.options.text = lables.firstChild.data;
}
var actDefinedVal = document.theForm.Act_define_id.value;
for(var i = 0; i < values.length; i++) {
var tempActDefined = values.firstChild.data;
if (actDefinedVal == tempActDefined) {
document.theForm.Ipnum.value = ips.firstChild.data;
document.theForm.firstfee.value = firstInstallFee.firstChild.data;
document.theForm.prepfee.value = prepayFee.firstChild.data;;
}
}
}
}
}
java:
package topway.common;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.sql.*;
import topway.common.Helper;
import topway.business.SelectParam;
/**
* @author will
*
* TODO To change the template for this generated type comment go to Window -
* Preferences - Java - Code Style - Code Templates
*/
public class InitAddCustSelect
extends HttpServlet {
public InitAddCustSelect() {
super();
}
public void destroy() {
super.destroy();
}
public void doGet(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
//request.setCharacterEncoding("text/html;CHARSET=utf8");
response.setContentType("text/xml;CHARSET=utf8");
response.setHeader("Cache-Control", "no-cache");
String state = request.getParameter("servCode");
System.out.println(state);
StringBuffer sb = new StringBuffer(
"<?xml version=\"1.0\" encoding=\"GB2312\"?>");
sb.append("<addCustSelect>");
Connection conn = null;
try {
conn = Helper.getConnection();
SelectParam selectBean = new SelectParam();
ResultSet actDefine = selectBean.getActDefine(conn, state);
while (actDefine.next()) {
sb.append("<actDefinedId>" + actDefine.getString(1) + "</actDefinedId>");
sb.append("<name>" + actDefine.getString(2) + "</name>");
sb.append("<prepayFee>" + actDefine.getString(3) + "</prepayFee>");
sb.append("<firstInstallFee>" + actDefine.getString(4) +
"</firstInstallFee>");
sb.append("<ipnums>" + actDefine.getString(5) + "</ipnums>");
}
}
catch (SQLException ex) {
ex.printStackTrace();
}
finally {
try {
conn.close();
}
catch (SQLException ex) {
ex.printStackTrace();
}
}
sb.append("</addCustSelect>");
PrintWriter out = response.getWriter();
out.write(sb.toString());
out.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
doGet(request, response);
}
}
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