spring boot不用parent引入，采用dependencyManagement引入后的打包后运行java -jar命令，报错：没有主清单属性.
需要对pom文件稍作修改
buildpluginsplugingroupIdorg.springframework.boot/groupIdartifactIdspring-boot-maven-plugin/artifactIdexecutionsexecutiongoalsgoalrepackage/goal/goals/execution/executions/plugin/plugins/build