code: private static void printSysInfo() {
  		LogUtil.writeLog("================= SYS INFO begin====================");
  		LogUtil.writeLog("os_name:" + System.getProperty("os.name"));
  		LogUtil.writeLog("os_arch:" + System.getProperty("os.arch"));
  		LogUtil.writeLog("os_version:" + System.getProperty("os.version"));
  		LogUtil.writeLog("java_vm_specification_version:"
  				+ System.getProperty("java.vm.specification.version"));
  		LogUtil.writeLog("java_vm_specification_vendor:"
  				+ System.getProperty("java.vm.specification.vendor"));
  		LogUtil.writeLog("java_vm_specification_name:"
  				+ System.getProperty("java.vm.specification.name"));
  		LogUtil.writeLog("java_vm_version:"
  				+ System.getProperty("java.vm.version"));
  		LogUtil.writeLog("java_vm_name:" + System.getProperty("java.vm.name"));
  		LogUtil.writeLog("java.version:" + System.getProperty("java.version"));
  		LogUtil.writeLog("java.vm.vendor=[" + System.getProperty("java.vm.vendor") + "]");
  		LogUtil.writeLog("java.version=[" + System.getProperty("java.version") + "]");
  		printProviders();
  		LogUtil.writeLog("================= SYS INFO end=====================");
  	}
docs: 打印系统环境信息