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发表时间:2005-12-07
在 ("<city>hangzhou</city><city>huzhou</city>") 这里换成中文的话 页面显示就是乱码 搞不 清楚是怎么回事 请大家看看 声明:ITeye文章版权属于作者,受法律保护。没有作者书面许可不得转载。
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发表时间:2005-12-07
html文件:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>MyHtml.html</title> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="this is my page"> <!--<link rel="stylesheet" type="text/css" href="./styles.css">--> </head> <script type="text/javascript"> function getResult(stateVal) { var url = "servlet/SelectCityServlet?state="+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 city = req.responseXML.getElementsByTagName("city"); alert(city.length); var str=new Array(); for(var i=0;i<city.length;i++){ str[i]=city[i].firstChild.data; } alert(document.getElementById("city")); buildSelect(str,document.getElementById("city")); } } } function buildSelect(str,sel) { sel.options.length=0; for(var i=0;i<str.length;i++) { sel.options[sel.options.length]=new Option(str[i],str[i]) } } function test(){ alert("test"); } </script> <body> <select name="state" onChange="getResult(this.value)"> <option value="">请选择</option>> <option value="zj">浙江</option>> <option value="zs">江苏</option>> </select> <select id="city"></select> </body> </html> Servlet 类: package com.stephen.servlet; 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; /** * @author stephen * * TODO To change the template for this generated type comment go to Window - * Preferences - Java - Code Style - Code Templates */ public class SelectCityServlet extends HttpServlet { public SelectCityServlet() { super(); } public void destroy() { super.destroy(); } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/xml"); response.setHeader("Cache-Control", "no-cache"); String state = request.getParameter("state"); StringBuffer sb=new StringBuffer("<state>"); if ("zj".equals(state)){ sb.append("<city>hangzhou</city><city>huzhou</city>"); } else if("zs".equals(state)){ sb.append("<city>nanjing</city><city>yangzhou</city><city>suzhou</city>"); } sb.append("</state>"); PrintWriter out=response.getWriter(); out.write(sb.toString()); out.close(); } } web.xml文件: <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <servlet> <servlet-name>SelectCityServlet</servlet-name> <servlet-class>com.stephen.servlet.SelectCityServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>SelectCityServlet</servlet-name> <url-pattern>/servlet/SelectCityServlet</url-pattern> </servlet-mapping> </web-app> |
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发表时间:2005-12-07
在html文件里写明gbk看看那
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发表时间:2005-12-08
构照 xml 返回数据,最好不要用StringBuffer 的方式。
但如果是这样的话, response.setContentType("text/xml"); 这句要添加编码信息。 同时构照的xml 加上xml头 <?xml version="1.0" encoding="gb2312"?> |
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发表时间:2005-12-08
都不行了!
为什么是这个结果呢? |
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发表时间:2005-12-12
看看你的几个文件的编码是不是GB2312。
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发表时间:2005-12-12
responseText和responseXML只支持utf8
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发表时间:2005-12-19
http://www.hxinze.com/ajax/_city/
我这个就是GB2312的,,就是不乱码 |
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发表时间:2005-12-19
用utf-8吧,使用gb2312指不定IE又出什么问题
response.setContentType("text/xml;charset=gb2312"); |
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发表时间:2005-12-22
为什么出现的是问号呢????
到底是不是乱码呢 |
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