Java代码日志嵌入打包时间

通过插件生成编译时间代码，然后先compile一次生成代码，Java代码就可以引用到该时间，后面compile或者package的时候就会刷新这个时间，日志就可以打印每次编译的时间。

<plugin><groupId>org.codehaus.mojo</groupId><artifactId>build-helper-maven-plugin</artifactId><version>3.3.0</version><executions><execution><id>timestamp-property</id><phase>initialize</phase><goals><goal>timestamp-property</goal></goals><configuration><name>build.timestamp</name><pattern>yyyy-MM-dd HH:mm:ss</pattern><timeZone>Asia/Shanghai</timeZone></configuration></execution><execution><id>add-generated-sources</id><phase>generate-sources</phase><goals><goal>add-source</goal></goals><configuration><sources><source>${project.build.directory}/generated-sources/src/main/java</source></sources></configuration></execution></executions></plugin><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-antrun-plugin</artifactId><version>3.1.0</version><executions><execution><phase>generate-sources</phase><goals><goal>run</goal></goals><configuration><target><!-- 生成包含时间戳的 Java 类 --><echo file="${project.build.directory}/generated-sources/src/main/java/com/chrollo/common/BuildTime.java">package com.chrollo.common;public class BuildTime {public static final String TIMESTAMP = "${build.timestamp}";}</echo></target></configuration></execution></executions></plugin>