查询数据
//查找id为100的数据
Student student = DataSupport.find(Student.class, 100);
//查找id为1,2,3,4,5的数据
List<Student> students1 = DataSupport.findAll(Student.class, 1, 2,3, 4, 5);
//查找age>23的学生的数据
List<Student> students = DataSupport.where("age=?", "age>23").find(Student.class);



删除数据
//删除id为1的数据
int delete = DataSupport.delete(Student.class, 1);
//删除年龄为12的数据
DataSupport.deleteAll(Student.class,"age=?","12");
//删除年龄为12名字是花花的数据
DataSupport.deleteAll(Student.class,"name=?and age=?","花花","12");