SQLite数据库

public class MyHelper extends SQLiteOpenHelper {

public MyHelper(Context context) {

super(context, "mydb", null, 1);

}

@Override

public void onCreate(SQLiteDatabase sqLiteDatabase) {

//创建数据表三个字段 id url json

sqLiteDatabase.execSQL("create table dbcache(id integer primary key autoincrement,url text not null,json text not null)");

}

@Override

public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {

}

}

---

public class MyHelper extends SQLiteOpenHelper {

public MyHelper(Context context) {

super(context, "mydb", null, 1);

}

@Override

public void onCreate(SQLiteDatabase sqLiteDatabase) {

//创建数据表三个字段 id url json

sqLiteDatabase.execSQL("create table dbcache(id integer primary key autoincrement,url text not null,json text not null)");

}

@Override

public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {

}

}

---

public class MyHelper extends SQLiteOpenHelper {

public MyHelper(Context context) {

super(context, "mydb", null, 1);

}

@Override

public void onCreate(SQLiteDatabase sqLiteDatabase) {

//创建数据表三个字段 id url json

sqLiteDatabase.execSQL("create table dbcache(id integer primary key autoincrement,url text not null,json text not null)");

}

@Override

public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {

}

}