package com.zrlog.web;import com.zrlog.common.Constants;import org.apache.catalina.LifecycleException;import org.apache.catalina.startup.Tomcat;import javax.servlet.ServletException;import java.io.File;public class Application {    public static void main(String[] args) throws LifecycleException {        String webappDirLocation;        if (Constants.IN_JAR) {            webappDirLocation = "webapp";        } else {            webappDirLocation = "src/main/webapp/";        }        Tomcat tomcat = new Tomcat();        String webPort = System.getenv("PORT");        if (webPort == null || webPort.isEmpty()) {            webPort = "8080";        }        // BUG: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')        // tomcat.setPort(Integer.valueOf(webPort));        // FIXED:         tomcat.setPort(Integer.parseInt(webPort));        tomcat.getConnector();        // Declare an alternative location for your "WEB-INF/classes" dir        // Servlet 3.0 annotation will work        File additionWebInfClasses;        if (Constants.IN_JAR) {            additionWebInfClasses = new File("");        } else {            additionWebInfClasses = new File("target/classes");        }        tomcat.setBaseDir(additionWebInfClasses.toString());        //idea的路径eclipse启动的路径有区别        if (!Constants.IN_JAR && !new File("").getAbsolutePath().endsWith(File.separator + "web")) {            webappDirLocation = "web/" + webappDirLocation;        }        tomcat.addWebapp("", new File(webappDirLocation).getAbsolutePath());        tomcat.start();        tomcat.getServer().await();    }}