代码
import cn.hutool.log.Log;
import cn.hutool.log.LogFactory;
import com.alibaba.fastjson.JSONObject;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.*;
/**
* Copyright (C), 2019-2019, 北京力盟亚有限公司
* @Description: 过滤器
* @Author: qianxi
* @Date: 2019/10/28 17:47
* @version:1.0
*/
//@WebFilter(value="/*",filterName = "aaaaaLoggingFilter" )
@Configuration
public class LoggingFilterConfig implements Filter {
// @Override
public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {
log.info("接收Object报文:{} \n Exception={} " , o , e );
}
@Bean
public FilterRegistrationBean registrationBean(){
FilterRegistrationBean filter = new FilterRegistrationBean(new LoggingFilterConfig());
filter.addUrlPatterns("/*");
//多个过滤器时执行顺序
// 最高级别。
filter.setOrder(FilterRegistrationBean.HIGHEST_PRECEDENCE);
return filter;
}
private final static Log log = LogFactory.get();
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest request, ServletResponse res,
FilterChain chain) throws IOException, ServletException {
// TODO Auto-generated method stub
request.setCharacterEncoding("UTF-8");
res.setCharacterEncoding("UTF-8");
HttpServletRequest req = (HttpServletRequest)request;
Map<String, Object> map = new HashMap<String, Object>();
// Get request URL.
map.put("URL", req.getRequestURL());
map.put("Method", req.getMethod());
map.put("Protocol",req.getProtocol());
// 获取header信息
List<Map<String,String>> headerList = new ArrayList<>();
Map<String,String> headerMaps = new HashMap<String,String>();
for(Enumeration<String> enu = req.getHeaderNames(); enu.hasMoreElements();){
String name = enu.nextElement();
headerMaps.put(name,req.getHeader(name));
}
headerList.add(headerMaps);
map.put("headers", headerList);
//获取parameters信息
List<Map<String,String>> parameterList = new ArrayList<>();
Map<String,String> parameterMaps = new HashMap<String,String>();
for(Enumeration<String> names = req.getParameterNames();names.hasMoreElements();){
String name = names.nextElement();
parameterMaps.put(name, req.getParameter(name));
}
parameterList.add(parameterMaps);
map.put("parameters", parameterList);
String line = "";
// 获取请求体信息
// if (req.getMethod().equalsIgnoreCase("POST")) {
// int len = req.getContentLength();
// char[] buf = new char[len];
// int bufcount = requestWrapper.getReader().read(buf);
// if (len > 0 && bufcount <= len) {
// line = String.copyValueOf(buf).substring(0, bufcount);
// }
// } else if (req.getMethod().equalsIgnoreCase("GET")) {
int idx = req.getRequestURL().indexOf("?");
if (idx != -1) {
line = req.getRequestURL().substring(idx + 1);
} else {
line = null;
}
// }
if (line != null) {
map.put("Context", new String[] { line });
}
log.info("接收请求报文:\n"+ JSONObject.toJSONString(map));
HttpServletResponse response = (HttpServletResponse) res;
// 解决跨域问题。
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
response.setHeader("Access-Control-Max-Age", "3600");
response.setHeader("Access-Control-Allow-Headers", "x-requested-with");
chain.doFilter(request, response);
// 辞书
// log.info("接收response报文:\n"+ response.getContentType());
}
@Override
public void destroy() {
}
}
参考资料