文件名称：Android营养食品系统
文件大小：4.72MB
文件格式：RAR
更新时间：2017-01-31 13:38:48
android 保存
基于android的营养食品系统 private static final String DB NAME "people db"; private static final String DB TABLE "peopleinfo"; private static final int DB VERSION 1; public static final String KEY ID " id"; public static final String KEY NAME "name"; public static final String KEY MATCH "match"; public static final String KEY PHOTOSRC "photosrc"; public static final String KEY INTRODUCTION "introduction"; private SQLiteDatabase db; private final Context context; private DBOpenHelper dbOpenHelper; public OpenHelper Context context { context context; } Close the database public void close { if db null { db close ; db null; } } Open the database public void open throws SQLiteException { dbOpenHelper new DBOpenHelper context DB NAME null DB VERSION ; try { db dbOpenHelper getWritableDatabase ; } catch SQLiteException ex { db dbOpenHelper getReadableDatabase ; } } 插入数据 public long insert People people { ContentValues newValues new ContentValues ; newValues put KEY NAME people Name ; newValues put KEY MATCH people Match ; newValues put KEY PHOTOSRC people PhotoSrc ; newValues put KEY INTRODUCTION people Introduction ; return db insert DB TABLE null newValues ; } 显示所有数据 public People[] queryAllData { Cursor results db query DB TABLE new String[] { KEY ID KEY NAME KEY MATCH KEY PHOTOSRC KEY INTRODUCTION } null null null null null ; return ConvertToPeople results ; }">基于android的营养食品系统 private static final String DB NAME "people db"; private static final String DB TABLE "peopleinfo"; private static final int DB VERSION 1; public static final String KEY ID " id"; public static final String KEY NAME " [更多]