4.0.0 org.springframework.boot spring-boot-starter-parent 2.1.2.RELEASE com.java456 ExcelDemo 0.0.1-SNAPSHOT war ExcelDemo Spring Boot 1.8 org.apache.poi poi-ooxml 3.9 net.sf.json-lib json-lib 2.4 jdk15 org.springframework.boot spring-boot-starter-data-jpa org.springframework.boot spring-boot-starter-freemarker org.springframework.boot spring-boot-starter-web mysql mysql-connector-java runtime org.springframework.boot spring-boot-configuration-processor true org.springframework.boot spring-boot-starter-tomcat provided org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin