jsp教程 servlet cookie 遍歷代碼
代碼如下:
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class Cookies extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException,
IOException {
resp.setContentType("text/html");
req.getSession();
PrintWriter out = resp.getWriter();
Cookie cookies[] = req.getCookies();
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet Cookie Information</title>");
out.println("</head>");
out.println("<body>");
if ((cookies == null) || (cookies.length == 0)) {
out.println("<center><h1>No Cookies found</h1>");
} else {
out.println("<center><h1>Cookies found</h1>");
for (int i = 0; i < cookies.length; i++) {
Cookie c = cookies[i];
out.println(c.getName() + "::" + c.getValue() + "::"
+ c.getComment() + "::" + c.getMaxAge() + "<BR/>");
}
out.println("</table></center>");
}
out.println("</body>");
out.println("</html>");
out.flush();
}
}
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