servlet..
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType(CONTENT_TYPE);
String id="1";
request.setAttribute(id,"id");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head><title>NewsServlet</title></head>");
out.println("<body bgcolor=\"#ffffff\">");
out.println("<input type='hidden' name='id' value='"+id+"'>");
out.println("<script>window.navigate('maupdatehealthNews.jsp')</script>");
out.println("</body>");
out.println("</html>");
out.close();
}
maupdatehealthNews.jsp<html>
<body>
<%
String id=(String)request.getAttribute("id");
out.print(id);
%>
</body>
</html>为什么得不到servlet的id 值啊
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType(CONTENT_TYPE);
String id="1";
request.setAttribute(id,"id");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head><title>NewsServlet</title></head>");
out.println("<body bgcolor=\"#ffffff\">");
out.println("<input type='hidden' name='id' value='"+id+"'>");
out.println("<script>window.navigate('maupdatehealthNews.jsp')</script>");
out.println("</body>");
out.println("</html>");
out.close();
}
maupdatehealthNews.jsp<html>
<body>
<%
String id=(String)request.getAttribute("id");
out.print(id);
%>
</body>
</html>为什么得不到servlet的id 值啊
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public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType(CONTENT_TYPE);
String id="1";
request.setAttribute(id,"id");//这句错了吧 应该是request.setAttribute("id",id);
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head><title>NewsServlet</title></head>");
out.println("<body bgcolor=\"#ffffff\">");
out.println("<input type='hidden' name='id' value='"+id+"'>");
out.println("<script>window.navigate('maupdatehealthNews.jsp')</script>");
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType(CONTENT_TYPE);
String id="1";
request.setAttribute(id,"id");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head><title>NewsServlet</title></head>");
out.println("<body bgcolor=\"#ffffff\">");
out.println("<input type='hidden' name='id' value='"+id+"'>");
out.println("<script>window.navigate('maupdatehealthNews.jsp')</script>"); //这么跳转好像不行
out.println("</body>");
out.println("</html>");
out.close();
} RequestDispatcher view=request.getRequestDispatch("'maupdatehealthNews.jsp");
view.forward(request,response);//把请求响应对象带入到jsp中
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType(CONTENT_TYPE);
String id="1";
request.setAttribute(id,"id");
RequestDispatcher view=request.getRequestDispatch("'maupdatehealthNews.jsp");
view.forward(request,response);//把请求响应对象带入到jsp中这样就行了,不要用servlet写html。
RequestDispatcher rd = this.getServletContext().getRequestDispatcher("/csvmgmt/csvup.jsp?selected=" + result.substring(0, result.indexOf("!")) + "&pageId=1&result=" + result.substring(result.indexOf("!") + 1));
rd.forward(request, response);