看看我的过滤器写的或者配置的有错吗?配置了以后站点就处于关闭状态打不开。
过滤器代码:
package servlet.filter;import javax.servlet.*;
import javax.servlet.Filter;
import javax.servlet.http.*;
import java.io.*;class ServletFilter implements Filter{
private FilterConfig config=null;
public void init(FilterConfig config) throws ServletException{
this.config=config;
}
public void doFilter(ServletRequest request,ServletResponse response,FilterChain chain) throws ServletException,IOException{
HttpServletRequest httprequest=(HttpServletRequest)request;
HttpServletResponse httpresponse = (HttpServletResponse)response;
httprequest.setCharacterEncoding("GBK");
httpresponse.setCharacterEncoding("GBK");
}
public void destroy(){
this.config=null;
}
}
web.xml配置信息:
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app>
<display-name>MyJSP</display-name>
<description>
Myjsp.
</description>
<filter>
<filter-name>ServletFilter</filter-name>
<filter-class>servlet.filter.ServletFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>ServletFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>高手帮帮忙啊,在配置文件里不加过滤器的话一切正常,加上以后才tomcat里这个站点就处于关闭状态,打不开
过滤器代码:
package servlet.filter;import javax.servlet.*;
import javax.servlet.Filter;
import javax.servlet.http.*;
import java.io.*;class ServletFilter implements Filter{
private FilterConfig config=null;
public void init(FilterConfig config) throws ServletException{
this.config=config;
}
public void doFilter(ServletRequest request,ServletResponse response,FilterChain chain) throws ServletException,IOException{
HttpServletRequest httprequest=(HttpServletRequest)request;
HttpServletResponse httpresponse = (HttpServletResponse)response;
httprequest.setCharacterEncoding("GBK");
httpresponse.setCharacterEncoding("GBK");
}
public void destroy(){
this.config=null;
}
}
web.xml配置信息:
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app>
<display-name>MyJSP</display-name>
<description>
Myjsp.
</description>
<filter>
<filter-name>ServletFilter</filter-name>
<filter-class>servlet.filter.ServletFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>ServletFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>高手帮帮忙啊,在配置文件里不加过滤器的话一切正常,加上以后才tomcat里这个站点就处于关闭状态,打不开
HttpServletRequest http_request = (HttpServletRequest)request;
HttpServletResponse http_response = (HttpServletResponse)response; HttpSession session = http_request.getSession();
SessionBean sessionBean = (SessionBean)session.getAttribute("sessionBeanId");
LoginuserItem loginuserItem = sessionBean.getLoginuserItem(); //我的登録処理 try {
if (loginuserItem!=null && loginuserItem.getStatus().equals("1")) { //己登録
filterChain.doFilter(request, response);
} else {
http_request.setAttribute("result_message", "先登録");
RequestDispatcher d = http_request.getRequestDispatcher("/login.jsp");
d.forward(http_request, http_response);
}
}
catch(ServletException sx) {
filterConfig.getServletContext().log(sx.getMessage());
}
catch(IOException iox) {
filterConfig.getServletContext().log(iox.getMessage());
}
}给你一份我的,请参考!
filterChain.doFilter(request, response);另外你的配置信息是对整体MyJSP下的全部过滤,那么不满足条件的如何处理?例如对路径sysuser进行过滤
<filter>
<filter-name>adminfilters</filter-name>
<filter-class>mypkg.AdminFilterServlet</filter-class>
</filter>
<filter-mapping>
<filter-name>adminfilters</filter-name>
<url-pattern>/sysuser/*</url-pattern>
</filter-mapping>
我是新手还麻烦大家帮帮忙,仔细说说?
为什么在tomcat中这个站点会处于stop状态,打也打不开!
filterChain.doFilter(request, response);