首先，引入pom依赖：<dependency<groupIdorg.springframework.boot</groupId<artifactIdspringbootstarterlog4j2</artifactId</dependency<!Log4j2异步支持<dependency

importjava.io.InputStream;importjava.net.URL;importjava.util.Arrays;importorg.apache.commons.io.IOUtils;importorg.apache.commons.lang.StringUtils;publicclassTes

importjava.io.File;importjava.io.IOException;importorg.apache.http.HttpResponse;importorg.apache.http.client.ClientProtocolException;importorg.apache.http.client.Ht

packagecom.common.util;importorg.apache.log4j.Logger;importjavax.servlet.http.HttpServletResponse;importjava.io.BufferedInputStream;importjava.io.BufferedOutputStream;impo

code073.javapackagepack02;importjava.io.IOException;importjava.io.PrintWriter;importjava.util.UUID;importjavax.servlet.ServletException;importjavax.servlet.annotation.Multip

code058.javapackagepack01;importjava.io.IOException;importjava.io.PrintWriter;importjavax.servlet.Servlet;importjavax.servlet.ServletConfig;importjavax.servlet.ServletExcept

code059.javapackagepack01;importjava.io.IOException;importjava.io.PrintWriter;importjavax.servlet.ServletException;importjavax.servlet.http.HttpServlet;importjavax.servlet.h

importjava.io.ByteArrayInputStream;importjava.io.InputStream;importjava.util.ArrayList;importjava.util.Arrays;importjava.util.HashMap;importjava.util.List;i

AStudyofWebRTCSecurityhttp://webrtcsecurity.github.io/(https://www.oschina.net/action/GoToLink?urlhttp%3A%2F%2Fwebrtcsecurity.github.io%2F)A

JavaGuide(https://snailclimb.gitee.io/javaguide/)1.概述(https://snailclimb.gitee.io/javaguide//docs/java/jvm/%E6%9C%80%