@Slf4j
public class RequestFilter extends OncePerRequestFilter {
@Override
public void destroy() {
super.destroy();
log.info("RequestFilter destroy");
}
/*
OncePerRequestFilter.doFilter方法中通过request.getAttribute判断当
前过滤器是否已执行
若未执行过，则调用doFilterInternal方法，交由其子类实现
*/
@Override
protected void doFilterInternal(HttpServletRequest httpServletRequest, H
ttpServletResponse httpServletResponse, FilterChain filterChain) throws Serv
letException, IOException {
try {
RequestWrapper requestWrapper = new RequestWrapper(httpServletRe
quest);
filterChain.doFilter(requestWrapper, httpServletResponse);
log.info("RequestFilter");
log.info(Arrays.toString(requestWrapper.getParameterValues("name
")));
} catch (Exception exception) {
httpServletResponse.setCharacterEncoding("utf-8");
httpServletResponse.setContentType("application/json; charset=ut
f-8");
PrintWriter writer = httpServletResponse.getWriter();
writer.write(exception.toString());
}
}
}
1.3 配置
package com.dingwen.lir.configuration;
