配置端口号：
Spring boot 默认端口是8080，如果想要进行更改的话，
需要修改applicatoin.properties文件，在配置文件中加入： server.port=8081
配置content-path：
在application.properties进行配置：
server.context-path=/spring-boot 访问地址就是http://ip:port/spring-boot
其他的server配置信息
#server.port=8080 #server.address= # bind to a specific NIC #server.session-timeout= # session timeout in seconds #the context path, defaults to '/' #server.context-path=/spring-boot #server.servlet-path= # the servlet path, defaults to '/' #server.tomcat.access-log-pattern= # log pattern of the access log #server.tomcat.access-log-enabled=false # is access logging enabled #server.tomcat.protocol-header=x-forwarded-proto # ssl forward headers #server.tomcat.remote-ip-header=x-forwarded-for #server.tomcat.basedir=/tmp # base dir (usually not needed, defaults to tmp) #server.tomcat.background-processor-delay=30; # in seconds #server.tomcat.max-threads = 0 # number of threads in protocol handler #server.tomcat.uri-encoding = UTF-8 # character encoding to use for URL decoding