jsp：IE里正常，firefox里乱码

萧湘易水寒 2010-09-04 10:41:54

jsp：IE里正常，firefox里乱码【级联下拉列表】

menu.jsp页面



<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="GBK"%>

<%@ page import="com.rjjx.zoukang.bll.*" %>

<%@ page import="com.rjjx.zoukang.dal.*" %>

<%@ page import="com.rjjx.zoukang.model.*" %>

<%@ page import ="com.sun.rowset.*" %>

<%

    request.setCharacterEncoding("GBK");

	

    response.setContentType("text/html;charset=GBK");

%>

<html>

<head>

<META http-equiv=Content-Type content="text/html; charset=GBK">

<!--LINK href="images/css.css" type=text/css rel=stylesheet-->

</head>

<%

  

    ResultSet rs = null;

    List<String> cities = new ArrayList<String>();





    try {

    	ModuleDal mdal = new ModuleDal();

        rs = mdal.getAllModules();

        while (rs.next())

        {

            cities.add(rs.getString(3));

        }

        rs.close();

     

    }  catch (Exception e)  {   

        e.printStackTrace();

    }

%>

<body>

<script language="javascript">

var XMLHttpReq;

	var currentSort;

 	//创建XMLHttpRequest对象       

    function createXMLHttpRequest() {

		if(window.XMLHttpRequest) { //Mozilla 浏览器

			XMLHttpReq = new XMLHttpRequest();

		}

		else if (window.ActiveXObject) { // IE浏览器

			try {

				XMLHttpReq = new ActiveXObject("Msxml2.XMLHTTP");

			} catch (e) {

				try {

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

				} catch (e) {}

			}

		}

	}

	//发送请求函数

	function sendRequest(url) {

		createXMLHttpRequest();

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

		XMLHttpReq.onreadystatechange = processResponse;//指定响应函数

		XMLHttpReq.send(null);  // 发送请求

	}

	// 处理返回信息函数

    function processResponse() {

    	if (XMLHttpReq.readyState == 4) { // 判断对象状态

        	if (XMLHttpReq.status == 200) { // 信息已经成功返回，开始处理信息

				updateMenu();

		    } else { //页面不正常

		      	alert("您所请求的页面有异常。");

		    }

        }

    }

	//更新菜单函数

	function updateMenu() {

	    var res=XMLHttpReq.responseXML.getElementsByTagName("res")

	    /**下面是用innerHTML输出控件内容的一般用法**/

	    //var subMenu = "";

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

	    //    subMenu = subMenu + "  " + res[i].firstChild.data + "";

	    //}

		//currentSort.innerHTML = subMenu;

		

	    var list = document.all.list;

        list.options.length=0;

      list.add(new Option("---请选择---",""));

      //list.add(new Option("---请选择---",""),null);

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

        	list.add(new Option(res[i].firstChild.data,res[i].firstChild.data));

        }

	}

	// 创建级联菜单函数

	function showSubMenu(obj) {

		//currentSort =document.getElementById(obj); 

		//currentSort.parentNode.style.display = "";

		alert(obj);

		//request.getRequestDispatcher("menujsp.jsp?sort=" + obj).forward(request, response);

		 sendRequest("menujsp.jsp?sort=" + obj);		

	}



</script>

<select onchange="showSubMenu(this.options[this.options.selectedIndex].value)" name="mli"  style="width:150px">

<option value=''>---请选择---</option>

<%

	for(int i=0;i<cities.size();i++)

	{

		out.println("<option value='"+cities.get(i)+"'>"+cities.get(i)+"</option>");

	}

%>

</select>

<select name="list" onchange="if(this.selectedIndex)alert(this.options[this.options.selectedIndex].value)" style="width:100px">

<option>---请选择---</option>

</select>

</body>

</html>

menujsp.jsp页面



<%@ page contentType="text/html; charset=GBK"

	import="java.util.*,java.sql.*"%>

<%@ page import="com.rjjx.zoukang.util.*"%>

<%@ page import="com.rjjx.zoukang.dal.*"%>

<%@ page import="com.rjjx.zoukang.model.*"%>

<%@ page import="com.sun.rowset.*"%>

<%

	String sort = request.getParameter("sort");

	sort = ChangeString.getStr(sort);    //**********************这里接收时乱码*************

	//sort=new String(sort.getBytes("iso-8859-1"), "GBK");

						//**************这里firefox在出现了乱码****************///

	

	ResultSet rs = null;

	List<String> cities = new ArrayList<String>();



	try {

		System.out.println("TMSDdfadfadsfas");

		SortDal sdal = new SortDal();

		rs = sdal.getAllSortsByModName(sort);



		while (rs.next()) {

			System.out.println(rs.getString(3));

			cities.add(rs.getString(3));

		}

		rs.close();



	} catch (Exception e) {



		e.printStackTrace();

	}

	response.setContentType("text/xml; charset=GBK");

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

	out.println("<response>");

	for (int i = 0; i < cities.size(); i++) {

		out.println("<res>" + cities.get(i).toString() + "</res>");

	}

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



%>