标签:return void HttpServletResponse throws filter intercept Override servlet public
整合intercept
@Component
public class MyInterceptor implements HandlerInterceptor {
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
System.out.println("preHandle");
return true;
}
@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
System.out.println("postHandler");
}
@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
System.out.println("afterCompletion");
}
}
整合Filter
public class MyFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
System.out.println("doFilter");
filterChain.doFilter(servletRequest, servletResponse);
}
@Override
public void destroy() {
}
}
整合Servlet
public class MyServlet extends HttpServlet {
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
resp.getWriter().write("hello......");
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
doPost(req, resp);
}
}
注册类
@Configuration
public class AppConfig extends WebMvcConfigurerAdapter {
@Autowired
MyInterceptor myInterceptor;
/**
* 注册拦截器
*
* @param registry
*/
@Override
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor(myInterceptor).addPathPatterns("/**").excludePathPatterns("/index.html", "/");
}
/**
* 注册过滤器
*
* @return
*/
@Bean
public FilterRegistrationBean myFilter() {
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
filterRegistrationBean.setFilter(new MyFilter());
filterRegistrationBean.addUrlPatterns("/*");
return filterRegistrationBean;
}
/**
* 注册servlet
*
* @return
*/
@Bean
public ServletRegistrationBean myServlet() {
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean();
servletRegistrationBean.setServlet(new MyServlet());
servletRegistrationBean.addUrlMappings("/myServlet");
return servletRegistrationBean;
}
}
标签:return,void,HttpServletResponse,throws,filter,intercept,Override,servlet,public 来源: https://www.cnblogs.com/yinchh/p/12547864.html
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