我有要求在http response
中設置自定義標題,並在需要時閱讀它們。我使用下面的代碼來讀取頭文件。閱讀servlets中的自定義標題
servlet1:
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.addHeader("cust-header", "cust-value");
RequestDispatcher rd = request.getRequestDispatcher("servlet2");
rd.include(request, response);
}
servlet2:
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
System.out.println(request.getHeader("cust-header"));
}
當我試圖讀取自定義頭值,我得到了在控制檯 「空」。爲什麼發生這種情況?如何在需要時讀取自定義標題設置?
沒有任何解決方案??? !!! – 2012-03-23 07:04:52