4.0.0 jar cn.hutool hutool-parent 5.8.13.M1 hutool-json ${project.artifactId} Hutool JSON封装 cn.hutool hutool-core ${project.parent.version} org.apache.maven.plugins maven-jar-plugin true true ${os.name} ${user.name} ${java.version} ${maven.build.timestamp} cn.hutool.json