DbUtils

1 //
2 //public static DbUtils create(Context context, String dbName)
3 //
4 dbUtils = DbUtils.create(MainActivity.this, "Student.db");

1 dbUtils.save(new Student("新垣结衣", 27));//插入单条数据(放在try-cath中)
2 dbUtils.saveAll(list);//插入集合数据(放在try-cath中)

Student student = dbUtils.findFirst(Selector.from(Student.class).where("name","=","新垣结衣"));
    //查询符合条件的第一条数据
    //import com.lidroid.xutils.db.sqlite.Selector;

1 List<Student> list = dbUtils.findAll(Selector.from(Student.class)
2                                    .where("id" ,"<", 54)
3                                    .and(WhereBuilder.b("age", ">", 20).or("age", " < ", 30))
4                                    .orderBy("id")
5                                    .limit(pageSize)
6                                    .offset(pageSize * pageIndex));
7     //查询集合数据

 1 try 
 2 {
 3     List<Student> findAll = dbUtils.findAll(Selector.from(Student.class).limit(5));
 4     
 5     Student student = findAll.get(0);
 6     student.setAge("50");
 7     
 8     dbUtils.update(student);
 9     
10 } catch (DbException e) 
11 {
12     // TODO Auto-generated catch block
13     e.printStackTrace();
14 }

 1 private void dbUtilsDelete() 
 2 {
 3     // TODO Auto-generated method stub
 4     try {
 5         List<Student> findAll = dbUtils.findAll(Selector.from(Student.class));
 6 
 7         //dbUtils.deleteAll(findAll);
 8 
 9         Student student = findAll.get(0);
10         dbUtils.delete(student);
11     } catch (DbException e) 
12     {
13         // TODO Auto-generated catch block
14         e.printStackTrace();
15     }
16     
17 }