String sql = "select * from student";
    	list = this.TreeService.getTreeList(sql);
    	//slist = dwg(list);
    	
    	for(int i=0; i<list.size(); i++){
    		Student student =new Student();
    		Object[] objects = (Object[]) list.get(i);
    		student.setId(((Integer)objects[0]).intValue());
    		student.setName(objects[1].toString());
    		student.setClass_id(((Integer)objects[2]).intValue());
//    		student.setId(i);
//    		student.setName("人員"+i);
//    		student.setClass_id(i);
    		System.out.println("student值： "+student.getId()+student.getName()+student.getClass_id());
    		//Student student = (Student) list.get(i);
    		slist.add(student);
    		System.out.println("----nmd5----");
    	}