在JAVA WEB中，编写一个Filter，需要( )
继承Filter类
实现Filter接口
继承HttpFilter类
实现HttpFilter接口
import javax.servlet.*;
import java.io.IOException;
public class MyFilter implements Filter {
@Override
public void doFilter(
ServletRequest servletRequest,
ServletResponse servletResponse,
FilterChain filterChain) throws IOException, ServletException {
}
}
import java.io.IOException;
public class MyFilter implements Filter {
@Override
public void doFilter(
ServletRequest servletRequest,
ServletResponse servletResponse,
FilterChain filterChain) throws IOException, ServletException {
}
}
