//package com.backendsys.service.System; // //import org.springframework.jdbc.core.JdbcTemplate; //import org.springframework.stereotype.Service; // //import java.util.HashMap; //import java.util.Map; // //@Service //public class SysActuatorServiceImpl implements SysActuatorService{ // // //@Autowired // //private HttpActuatorService httpActuatorService; // // //@Override // //public Map requestActuatorMetrics() { // // Map map = new HashMap<>(); // // // [Get] [metrics.application.started.time] 应用启动时间 // // List> applicationStartedTime = httpActuatorService.getMetricsApplicationStartedTime(); // // map.put("applicationStartedTime", applicationStartedTime); // // return map; // //} // private final JdbcTemplate jdbcTemplate; // // public SysActuatorServiceImpl(JdbcTemplate jdbcTemplate) { // this.jdbcTemplate = jdbcTemplate; // } // // @Override // public Map querySystemInfo() { // Map map = new HashMap<>(); // map.put("os_name", System.getProperty("os.name")); // map.put("os_version", System.getProperty("os.version")); // // String sql = "SELECT VERSION()"; // map.put("sql_version", jdbcTemplate.queryForObject(sql, String.class)); // // // 以后有空再来优化? // // // // 获取内存管理的 MXBean 对象 // //MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean(); // // //// 获取堆内存使用情况 // //MemoryUsage heapMemoryUsage = memoryMXBean.getHeapMemoryUsage(); // //System.out.println("Heap Memory Usage:"); // //System.out.println(" - Initial: " + heapMemoryUsage.getInit()); // //System.out.println(" - Used: " + heapMemoryUsage.getUsed()); // //System.out.println(" - Committed: " + heapMemoryUsage.getCommitted()); // //System.out.println(" - Max: " + heapMemoryUsage.getMax()); // // // //// 获取非堆内存使用情况 // //MemoryUsage nonHeapMemoryUsage = memoryMXBean.getNonHeapMemoryUsage(); // //System.out.println("Non-Heap Memory Usage:"); // //System.out.println(" - Initial: " + nonHeapMemoryUsage.getInit()); // //System.out.println(" - Used: " + nonHeapMemoryUsage.getUsed()); // //System.out.println(" - Committed: " + nonHeapMemoryUsage.getCommitted()); // //System.out.println(" - Max: " + nonHeapMemoryUsage.getMax()); // // return map; // } // //}