4.0.0 com.xuxueli xxl-job 2.1.2-SNAPSHOT xxl-job-executor-samples pom xxl-job-executor-sample-frameless xxl-job-executor-sample-springboot xxl-job-executor-sample-spring xxl-job-executor-sample-jfinal xxl-job-executor-sample-nutz xxl-job-executor-sample-jboot