我希望 session 对象不在 servlet 类中,而是来 self 们应用程序的普通对象。
WEB.XML
<listener>
<listener-class>com.abc.web.ApplicationManager</listener-class>
</listener>
<listener>
<listener-class>com.abc.web.SessionManager</listener-class>
</listener>
ViewPrices.java
public class ViewPrices implements Cloneable, Serializable {
Session session = request.getSession();
servletContext.getSession()
anyWay.getSession();
}
最佳答案
调用这个:
RequestFilter.getSession();
RequestFilter.getRequest();
在您的自定义过滤器上:
public class RequestFilter implements Filter {
private static ThreadLocal<HttpServletRequest> localRequest = new ThreadLocal<HttpServletRequest>();
public static HttpServletRequest getRequest() {
return localRequest.get();
}
public static HttpSession getSession() {
HttpServletRequest request = localRequest.get();
return (request != null) ? request.getSession() : null;
}
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
if (servletRequest instanceof HttpServletRequest) {
localRequest.set((HttpServletRequest) servletRequest);
}
try {
filterChain.doFilter(servletRequest, servletResponse);
} finally {
localRequest.remove();
}
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void destroy() {
}
}
您将把它注册到您的 web.xml 文件中:
<filter>
<filter-name>RequestFilter</filter-name>
<filter-class>your.package.RequestFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>RequestFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
关于java - 获取 HttpSession|来自简单 java 类而不是 servlet 类的请求,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5866728/