Servlet之间重定向传参出现中文乱码要怎么解决???
问题描述:
public class ReqeustScope1 extends HttpServlet {
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("GBK");
response.setCharacterEncoding("GBK");
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String sex = "男";
String url = "/servlet/RequestScope2?sex=" + sex;
response.sendRedirect(context + url);
out.flush();
out.close();
}
}
public class RequestScope2 extends HttpServlet {
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("GBK");
response.setCharacterEncoding("GBK");
response.setContentType("text/html");
PrintWriter out = response.getWriter();
System.out.println(" =====:" + request.getParameter("sex"));
out.flush();
out.close();
}
}
在RequestScope2中输出的就不是中文了 这个要怎么解决
答
不是很好的解决办法:
1、在RequestScope中修改URL
[code="java"]String url = "/web/servlet/RequestScope2?sex=" + URLEncoder.encode(sex,"GBK"); [/code]
2、在RequestScope2中,这样取得参数值:
[code="java"]String[] queryStrings =request.getQueryString().split("&");
String key ;
String value ;
for(String queryString : queryStrings){
key = queryString.split("=")[0];
value = queryString.split("=")[1];
value = URLDecoder.decode(value,"GBK");
System.out.println(key+" : "+value);
}[/code]
[b]
建议还是不要用中文的好,不然处理很麻烦。[/b]