diff --git a/Chapter4-2-6/pom.xml b/Chapter4-2-6/pom.xml
deleted file mode 100644
index b204d16..0000000
--- a/Chapter4-2-6/pom.xml
+++ /dev/null
@@ -1,77 +0,0 @@
-
-
- 4.0.0
-
- com.didispace
- Chapter4-2-6
- 1.0.0
- jar
-
- Chapter4-2-6
- Spring Boot project
-
-
- org.springframework.boot
- spring-boot-starter-parent
- 1.3.2.RELEASE
-
-
-
-
- UTF-8
- 1.8
-
-
-
-
-
- org.springframework.boot
- spring-boot-starter
-
-
- org.springframework.boot
- spring-boot-starter-logging
-
-
-
-
-
- org.springframework.boot
- spring-boot-starter-log4j
-
-
-
- org.springframework.boot
- spring-boot-starter-web
-
-
-
- org.springframework.boot
- spring-boot-starter-aop
-
-
-
- org.springframework.boot
- spring-boot-starter-test
- test
-
-
-
- org.mongodb
- mongodb-driver
- 3.2.2
-
-
-
-
-
-
-
- org.springframework.boot
- spring-boot-maven-plugin
-
-
-
-
-
\ No newline at end of file
diff --git a/Chapter4-2-6/src/main/java/com/didispace/Application.java b/Chapter4-2-6/src/main/java/com/didispace/Application.java
deleted file mode 100644
index 2a14b75..0000000
--- a/Chapter4-2-6/src/main/java/com/didispace/Application.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.didispace;
-
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-
-@SpringBootApplication
-public class Application {
-
- public static void main(String[] args) {
- SpringApplication.run(Application.class, args);
- }
-
-}
diff --git a/Chapter4-2-6/src/main/java/com/didispace/aspect/RequestLog.java b/Chapter4-2-6/src/main/java/com/didispace/aspect/RequestLog.java
deleted file mode 100644
index ece9267..0000000
--- a/Chapter4-2-6/src/main/java/com/didispace/aspect/RequestLog.java
+++ /dev/null
@@ -1,90 +0,0 @@
-package com.didispace.aspect;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import org.aspectj.lang.JoinPoint;
-
-import javax.servlet.http.HttpServletRequest;
-import java.util.Arrays;
-import java.util.Enumeration;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * @author 程序猿DD
- * @version 1.0.0
- * @date 16/5/23 下午4:08.
- * @blog http://blog.didispace.com
- */
-public class RequestLog {
-
- public String requestURL;
- public String requestURI;
- public String queryString;
- public String remoteAddr;
- public String remoteHost;
- public Integer remotePort;
- public String localAddr;
- public String localName;
- public String method;
-
- public Map parameters;
- public Map headers;
-
- public String classMethod;
- public String args;
-
- public RequestLog(){
-
- }
-
- public RequestLog(HttpServletRequest request, JoinPoint joinPoint) {
- // 基本信息
- this.requestURL = request.getRequestURL().toString();
- this.requestURI = request.getRequestURI();
- this.queryString = request.getQueryString();
- this.remoteAddr = request.getRemoteAddr();
- this.remoteHost = request.getRemoteHost();
- this.remotePort = request.getRemotePort();
- this.localAddr = request.getLocalAddr();
- this.localName = request.getLocalName();
- this.method = request.getMethod();
- // 头信息
- this.headers = getHeadersInfo(request);
- // 参数
- this.parameters = request.getParameterMap();
- // 切入点信息
- this.classMethod = joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName();
- this.args = Arrays.toString(joinPoint.getArgs());
- }
-
- /**
- * 获取头部信息
- *
- * @param request
- * @return
- */
- private Map getHeadersInfo(HttpServletRequest request) {
- Map map = new HashMap<>();
- Enumeration headerNames = request.getHeaderNames();
- while (headerNames.hasMoreElements()) {
- String key = (String) headerNames.nextElement();
- String value = request.getHeader(key);
- map.put(key, value);
- }
- return map;
- }
-
- @Override
- public String toString() {
- ObjectMapper mapper = new ObjectMapper();
- String r;
- try {
- r = mapper.writeValueAsString(this);
- } catch (JsonProcessingException e) {
- r = getClass() + "转换JSON失败";
- }
- return r;
- }
-
-}
diff --git a/Chapter4-2-6/src/main/java/com/didispace/aspect/WebLogAspect.java b/Chapter4-2-6/src/main/java/com/didispace/aspect/WebLogAspect.java
deleted file mode 100644
index d5ea75a..0000000
--- a/Chapter4-2-6/src/main/java/com/didispace/aspect/WebLogAspect.java
+++ /dev/null
@@ -1,86 +0,0 @@
-package com.didispace.aspect;
-
-import com.mongodb.BasicDBObject;
-import org.apache.log4j.Logger;
-import org.aspectj.lang.JoinPoint;
-import org.aspectj.lang.annotation.Aspect;
-import org.aspectj.lang.annotation.Before;
-import org.aspectj.lang.annotation.Pointcut;
-import org.springframework.core.annotation.Order;
-import org.springframework.stereotype.Component;
-import org.springframework.web.context.request.RequestContextHolder;
-import org.springframework.web.context.request.ServletRequestAttributes;
-
-import javax.servlet.http.HttpServletRequest;
-import java.util.Arrays;
-import java.util.Enumeration;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Web层日志切面
- *
- * @author 程序猿DD
- * @version 1.0.0
- * @date 16/5/17 上午10:42.
- * @blog http://blog.didispace.com
- */
-@Aspect
-@Order(1)
-@Component
-public class WebLogAspect {
-
- private Logger logger = Logger.getLogger("mongodb");
-
- @Pointcut("execution(public * com.didispace.web..*.*(..))")
- public void webLog(){}
-
- @Before("webLog()")
- public void doBefore(JoinPoint joinPoint) throws Throwable {
- // 获取HttpServletRequest
- ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
- HttpServletRequest request = attributes.getRequest();
- // 获取要记录的日志内容
- BasicDBObject logInfo = getBasicDBObject(request, joinPoint);
- logger.info(logInfo);
- }
-
-
- private BasicDBObject getBasicDBObject(HttpServletRequest request, JoinPoint joinPoint) {
- // 基本信息
- BasicDBObject r = new BasicDBObject();
- r.append("requestURL", request.getRequestURL().toString());
- r.append("requestURI", request.getRequestURI());
- r.append("queryString", request.getQueryString());
- r.append("remoteAddr", request.getRemoteAddr());
- r.append("remoteHost", request.getRemoteHost());
- r.append("remotePort", request.getRemotePort());
- r.append("localAddr", request.getLocalAddr());
- r.append("localName", request.getLocalName());
- r.append("method", request.getMethod());
- r.append("headers", getHeadersInfo(request));
- r.append("parameters", request.getParameterMap());
- r.append("classMethod", joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName());
- r.append("args", Arrays.toString(joinPoint.getArgs()));
- return r;
- }
-
- /**
- * 获取头信息
- *
- * @param request
- * @return
- */
- private Map getHeadersInfo(HttpServletRequest request) {
- Map map = new HashMap<>();
- Enumeration headerNames = request.getHeaderNames();
- while (headerNames.hasMoreElements()) {
- String key = (String) headerNames.nextElement();
- String value = request.getHeader(key);
- map.put(key, value);
- }
- return map;
- }
-
-}
-
diff --git a/Chapter4-2-6/src/main/java/com/didispace/web/HelloController.java b/Chapter4-2-6/src/main/java/com/didispace/web/HelloController.java
deleted file mode 100644
index e53c5db..0000000
--- a/Chapter4-2-6/src/main/java/com/didispace/web/HelloController.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.didispace.web;
-
-import org.springframework.web.bind.annotation.*;
-
-/**
- * @author 程序猿DD
- * @version 1.0.0
- * @date 16/5/19 下午1:27.
- * @blog http://blog.didispace.com
- */
-@RestController
-public class HelloController {
-
- @RequestMapping(value = "/hello", method = RequestMethod.GET)
- @ResponseBody
- public String hello(@RequestParam String name) {
- return "Hello " + name;
- }
-
-}
diff --git a/Chapter4-2-6/src/main/resources/application.properties b/Chapter4-2-6/src/main/resources/application.properties
deleted file mode 100644
index e69de29..0000000
diff --git a/Chapter4-2-6/src/main/resources/log4j.properties b/Chapter4-2-6/src/main/resources/log4j.properties
deleted file mode 100755
index 36b92b5..0000000
--- a/Chapter4-2-6/src/main/resources/log4j.properties
+++ /dev/null
@@ -1,14 +0,0 @@
-# LOG4J配置
-log4j.rootCategory=INFO, stdout
-log4j.logger.mongodb=INFO, mongodb
-
-# 控制台输出
-log4j.appender.stdout=org.apache.log4j.ConsoleAppender
-log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %5p %c{1}:%L - %m%n
-
-# mongodb输出
-log4j.appender.mongodb=com.didispace.log.MongoAppender
-log4j.appender.mongodb.connectionUrl=mongodb://localhost:27017
-log4j.appender.mongodb.databaseName=logs
-log4j.appender.mongodb.collectionName=logs_request
diff --git a/Chapter4-2-6/src/test/java/com/didispace/ApplicationTests.java b/Chapter4-2-6/src/test/java/com/didispace/ApplicationTests.java
deleted file mode 100644
index 168dfe7..0000000
--- a/Chapter4-2-6/src/test/java/com/didispace/ApplicationTests.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package com.didispace;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.boot.test.SpringApplicationConfiguration;
-import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
-
-
-@RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = Application.class)
-public class ApplicationTests {
-
- @Before
- public void setUp() throws Exception {
-
-
- }
-
- @Test
- public void getHello() throws Exception {
-
- }
-
-}