修改Tomcat端口号步骤：

1.找到Tomcat目录下的conf文件夹

2.进入conf文件夹里面找到server.xml文件

3.打开server.xml文件

4.在server.xml文件里面找到下列信息

<Connector port="8080" maxThreads="150" minSpareThreads="25" maxSpareThreads="75" enableLookups="false" redirectPort="8443" acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" />

5.把port="8080"改成port="8888"，并且保存-Modify Tomcat port steps:

1. Find the Tomcat directory conf folder

2. Enter the conf folder inside find server. The XML file

3. Open the server. The XML file

4. In the server. The XML files found in the following information

< Connector port = "8080" maxThreads = "150" minSpareThreads = "25" maxSpareThreads = "75" enableLookups = "false" redirectPort = "8443" acceptCount = "100" connectionTimeout = "20000" disableUploadTimeout = "true"/>

5. The port = "8080" into port = "8888", and save