自动通过server的models文件生成客户端的数据库模型

Server/dbHelperbk/In_Group_migration.java

@@ -0,0 +1,40 @@
+package wesayallright.timemanager.db.dbHelper;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+import wesayallright.timemanager.InnerLayer.Package;
+
+/**
+ * Created by mj on 17-5-11.
+ * 一个用户是在哪个群组里, 也可以查一个群组里有哪些人
+ */
+
+public class In_Group_migration extends SQLiteOpenHelper
+{
+    private static final int DB_VERSION = 1;
+    public static final String TABLE_NAME = "ingroup";
+    public In_Group_migration(Context context) {
+        super(context, Package.DB_NAME, null, DB_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        String sql = "CREATE TABLE IF NOT EXISTS " + TABLE_NAME +
+                "(\"id\" integer NOT NULL PRIMARY KEY, " +
+                "\"group_index_id\" integer NOT NULL REFERENCES \""+ Group_migration.TABLE_NAME+"\" (\"id\"), " +
+                "\"role_index_id\" integer NOT NULL REFERENCES \""+Group_user_migration.TABLE_NAME+"\" (\"id\"), " +
+                "\"user_index_id\" integer NOT NULL REFERENCES \""+User_migration.TABLE_NAME+"\" (\"id\"))";
+
+        db.execSQL(sql);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        String sql = "DROP TABLE IF EXISTS " + TABLE_NAME;
+        db.execSQL(sql);
+        onCreate(db);
+    }
+}
+