Question

我正在创建一个基于Web的java应用程序，我遇到了使应用程序国际化的问题。

当我使用我的EncodingFilter设置请求/响应编码时，数据库条目以奇怪的字符保存 ??????
如果我删除了EncodnigFilter设置，数据库条目保存得很好，但我的JSP文件中的文本呈现为标记为@WebFilter(filterName="EncodingFilter", urlPatterns={"/*"}) public class EncodingFilter implements Filter{ private FilterConfig filterConfig=null; private String encoding; public void init(FilterConfig filterConfig) { this.filterConfig=filterConfig; encoding = filterConfig.getInitParameter("requestEncoding"); if (encoding == null) encoding = "UTF-8"; } public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { if (null == request.getCharacterEncoding()) { request.setCharacterEncoding(encoding); } response.setCharacterEncoding("UTF-8"); chain.doFilter(request, response); } public void destroy() { this.filterConfig=null; } }的问题
- 我没有使用任何框架，只有Servlet和JSP
- 使用的数据库是Apache Derby（嵌入式）

这是我的编码fitler

@WebServlet(name="LanguageController",urlPatterns={"/Language"})
public class LanguageController extends BaseControler{
    private static final long serialVersionUID = 1L;
    private ResourceBundle bundle;

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        doExecute(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        doExecute(req, resp);
    }

    private void doExecute(HttpServletRequest req, HttpServletResponse resp) 
            throws ServletException, IOException{

        String refer = req.getHeader("referer");        
        if(refer == null)
            refer = "index.jsp";

        String param = req.getParameter("lang");

        bundle = ResourceBundle.getBundle("messages",new Locale(param.toUpperCase()));
        HttpSession session = req.getSession();
        session.setAttribute(SessionKeys.LANGUAGE, bundle);
        session.setAttribute(SessionKeys.LANGUAGE_STRING, param.toUpperCase());
        resp.sendRedirect(refer);
    }
}

这是我的语言控件，用于根据用户的请求更改语言

C:\blah\aeea2>for /L %f in (1,1,500) do @echo zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz >>testfile

Java Servlet和JSP编码问题与数据库

0 个答案: