public void close()
 {
     this.Using      = false;
     this.usedCount  = 0;
     this.createTime = 0;
     this.status     = null;
 }
 //先继承父类构造,再继承自己构造器
 public TerminalSession(RunRealTime status) : base()
 {
     this.status = status;
 }
 public void setStatus(RunRealTime status)
 {
     this.status = status;
 }