SpringBoot prints the process of requesting the original input parameter body by POST
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Catalogue
SpringBoot print POST request original input body
1. Define the filter configuration first
2. Implement the filter in 1
Post cannot receive parameters in body (object parameters)
Check the comments
Check entity
Check Content-Type
SpringBoot prints the original input parameter body1 of the POST request. First define the filter configuration package com.choice.o2o.device.common.config; import com.choice.o2o.device.common.filter.LogFilter;import org.springframework.boot.web.servlet.FilterRegistrationBean;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration; @ Configurationpublic class FilterConfig {@ Bean public FilterRegistrationBean registFilter () {FilterRegistrationBean registration = new FilterRegistrationBean (); registration.setFilter (new LogFilter () Registration.addUrlPatterns ("/ *"); registration.setName ("LogFilter"); registration.setOrder (1); return registration;}} 2, filter package com.choice.o2o.three.code.config.log; import lombok.extern.slf4j.Slf4j;import org.springframework.core.Ordered;import org.springframework.web.filter.OncePerRequestFilter;import org.springframework.web.util.ContentCachingRequestWrapper;import org.springframework.web.util.ContentCachingResponseWrapper in implementation 1 Import org.springframework.web.util.WebUtils; import javax.servlet.FilterChain;import javax.servlet.ServletException;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;import java.io.UnsupportedEncodingException;import java.util.Enumeration; @ Slf4jpublic class LogParamFilter extends OncePerRequestFilter implements Ordered {/ / put filter at the end of all other filters to make sure we are processing after all others private int order = Ordered.LOWEST_PRECEDENCE-8; public static final String SPLIT_STRING_M = "=" Public static final String SPLIT_STRING_DOT = ","; @ Override public int getOrder () {return order;} @ Override protected void doFilterInternal (HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {ContentCachingRequestWrapper wrapperRequest = new ContentCachingRequestWrapper (request); ContentCachingResponseWrapper wrapperResponse = new ContentCachingResponseWrapper (response); String urlParams = getRequestParams (request) FilterChain.doFilter (wrapperRequest, wrapperResponse); String requestBodyStr = getRequestBody (wrapperRequest); log.info ("params [{}] | request body: {}", urlParams, requestBodyStr); String responseBodyStr = getResponseBody (wrapperResponse); log.info ("response body: {}", responseBodyStr); wrapperResponse.copyBodyToResponse () } / * * print request parameters * * @ param request * / private String getRequestBody (ContentCachingRequestWrapper request) {ContentCachingRequestWrapper wrapper = WebUtils.getNativeRequest (request, ContentCachingRequestWrapper.class); if (wrapper! = null) {byte [] buf = wrapper.getContentAsByteArray (); if (buf.length > 0) {String payload Try {payload = new String (buf, 0, buf.length, wrapper.getCharacterEncoding ());} catch (UnsupportedEncodingException e) {payload = "[unknown]";} return payload.replaceAll ("\\ n", ");}} return" } / * print return parameter * * @ param response * / private String getResponseBody (ContentCachingResponseWrapper response) {ContentCachingResponseWrapper wrapper = WebUtils.getNativeResponse (response, ContentCachingResponseWrapper.class); if (wrapper! = null) {byte [] buf = wrapper.getContentAsByteArray (); if (buf.length > 0) {String payload Try {payload = new String (buf, 0, buf.length, wrapper.getCharacterEncoding ());} catch (UnsupportedEncodingException e) {payload = "[unknown]";} return payload;}} return "" } / * get the parameter on the request address * * @ param request * @ return * / public static String getRequestParams (HttpServletRequest request) {StringBuilder sb = new StringBuilder (); Enumeration enu = request.getParameterNames (); / / get the request parameter while (enu.hasMoreElements ()) {String name = enu.nextElement () Sb.append (name + SPLIT_STRING_M) .append (request.getParameter (name)); if (enu.hasMoreElements ()) {sb.append (SPLIT_STRING_DOT);}} return sb.toString ();}} Post cannot receive the parameter (object parameter) check comment in body
@ ResponseBody
@ RequestBody
Check entity
Whether the set and get methods are correct for receiving entity classes
Check Content-Type
Is it application/json?
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