{"id":794,"date":"2011-07-13T10:51:46","date_gmt":"2011-07-13T02:51:46","guid":{"rendered":"http:\/\/www.strongd.net\/?p=794"},"modified":"2011-07-13T14:08:13","modified_gmt":"2011-07-13T06:08:13","slug":"android%ef%bc%9asqlite%e6%95%b0%e6%8d%ae%e5%ba%93-%e5%a2%9e%e3%80%81%e5%88%a0%e3%80%81%e6%94%b9%e3%80%81%e6%9f%a5","status":"publish","type":"post","link":"https:\/\/www.strongd.net\/?p=794","title":{"rendered":"android\uff1aSQLite\u6570\u636e\u5e93 \u589e\u3001\u5220\u3001\u6539\u3001\u67e5"},"content":{"rendered":"

\u5b66\u4e60android\u5f00\u53d1\u4e0d\u53ef\u907f\u514d\u7684\u4f1a\u6d89\u53ca\u6570\u636e\u5e93\u7684\u4f7f\u7528\uff0candroid\u4f7f\u7528\u7684\u662fSQLite\u6570\u636e\u5e93\u3002\u5bf9\u4e8eSQLite\u6570\u636e\u5e93\u7684\u57fa\u672c\u4fe1\u606f\u8fd9\u91cc\u5c31\u4e0d\u8fc7\u591a\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u4e3b\u8981\u770b\u54c8\u662f\u600e\u4e48\u7528\u7684\u5c31\u662f\u4e86\u3002<\/p>\n

\u4e0e\u4ee5\u5f80\u6570\u636e\u5e93\u4e0d\u4e00\u6837\u7684\u5730\u65b9<\/strong><\/p>\n

\u4ee5\u524d\u6211\u4eec\u505ajavaWeb\u5f00\u53d1\u65f6\u7528jdbc\u8fde\u63a5\uff0c\u73b0\u5728\u53d8\u4e86\uff0c\u4e2a\u4eba\u89c9\u5f97\u53d8\u5f97\u7b80\u5355\u4e86\u3002\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u76f4\u63a5\u5c31\u53ef\u4ee5\u53bb\u521b\u5efa\u6570\u636e\u5e93\uff0c\u7136\u540e\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\u3002\u4e0d\u7528\u50cf\u4ee5\u524d\u5199\u8fde\u63a5\u4ee3\u7801\u3002<\/p>\n

\u64cd\u4f5c\u6570\u636e\u5e93<\/strong><\/p><\/blockquote>\n

\u4e00\uff0cSQLiteOpenHelper \u7c7b<\/strong><\/p>\n

\u5176\u4e2d\uff1a<\/p>\n

getReadableDatabase()\u5f97\u5230\u53ef\u8bfb\u7684\u6570\u636e\u5e93\uff0c\u8fd4\u56deSQLiteDatabase\u5bf9\u8c61\uff0c\u7136\u540e\u901a\u8fc7\u5bf9\u8c61\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/p>\n

getWritableDatabase()\u5f97\u5230\u53ef\u5199\u7684\u6570\u636e\u5e93\uff0c\u8fd4\u56deSQLiteDatabase\u5bf9\u8c61\uff0c\u7136\u540e\u901a\u8fc7\u5bf9\u8c61\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/p>\n

onCreate(SQLiteDatabase db)\u5728\u7b2c\u4e00\u6b21\u521b\u5efa\u6570\u636e\u5e93\u65f6\u8c03\u7528\u3002<\/p>\n

onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion)\u5728\u66f4\u6539\u6570\u636e\u5e93\u65f6\u90fd\u4f1a\u8c03\u7528\u3002<\/p>\n

onOpen(SQLiteDatabase db)\u5f53\u6570\u636e\u5e93\u6253\u5f00\u65f6\u8c03\u7528\u3002<\/p>\n

close()\u5173\u95ed\u6570\u636e\u5e93\u3002<\/p>\n

\u4e8c\uff0cSQLiteDatabase\u7c7b<\/strong><\/p>\n

\u8fd9\u4e2a\u7c7b\u63d0\u4f9b\u4e86\u5bf9\u6570\u636e\u5e93\u7684\u4e00\u4e9b\u57fa\u672c\u64cd\u4f5c\uff1a<\/p>\n

insert()<\/p>\n

delete()<\/p>\n

update()<\/p>\n

query()<\/p>\n

\u3002\u3002\u3002\u3002\u3002\u7b49\u7b49\u3002<\/p>\n

\u4ee3\u7801\uff1a<\/strong><\/p>\n

SQLiteOpenHelper \u7684\u5b50\u7c7b\uff1a<\/p>\n

\n
<\/div>\n
    \n
  1. import\u00a0android.content.Context;<\/li>\n
  2. import\u00a0android.database.sqlite.SQLiteDatabase;<\/li>\n
  3. import\u00a0android.database.sqlite.SQLiteDatabase.CursorFactory;<\/li>\n
  4. import\u00a0android.database.sqlite.SQLiteOpenHelper;<\/li>\n
  5. \/**<\/li>\n
  6. \u00a0*\u00a0\u901a\u8fc7getReadableDatabase()\u548cgetWritableDatabase()\u53ef\u4ee5\u83b7\u5f97\u6570\u636e\u5e93\u5bf9\u8c61\u3002<\/li>\n
  7. \u00a0*\u00a0\u63d0\u4f9bonCreate()-\u521b\u5efa\u6570\u636e\u5e93\u65f6,onUpgrade()-\u5347\u7ea7\u6570\u636e\u5e93\u65f6\uff0c\u4e24\u4e2a\u56de\u8c03\u51fd\u6570\u3002<\/li>\n
  8. \u00a0*\/<\/li>\n
  9. public\u00a0class\u00a0DatabaseHelper\u00a0extends\u00a0SQLiteOpenHelper\u00a0{<\/li>\n
  10. \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u6309\u8981\u6c42\u5fc5\u987b\u8981\u6709\u6784\u9020\u51fd\u6570<\/li>\n
  11. \u00a0\u00a0\u00a0\u00a0public\u00a0DatabaseHelper(Context\u00a0context,\u00a0String\u00a0name,\u00a0CursorFactory\u00a0factory,<\/li>\n
  12. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int\u00a0version)\u00a0{<\/li>\n
  13. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0super(context,\u00a0name,\u00a0factory,\u00a0version);<\/li>\n
  14. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
  15. \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u5f53\u7b2c\u4e00\u6b21\u5f97\u5230SQLiteDatabase\u5bf9\u8c61\u65f6\uff0c\u8c03\u7528\u8be5\u65b9\u6cd5<\/li>\n
  16. \u00a0\u00a0\u00a0\u00a0@Override<\/li>\n
  17. \u00a0\u00a0\u00a0\u00a0public\u00a0void\u00a0onCreate(SQLiteDatabase\u00a0db)\u00a0{<\/li>\n
  18. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0String\u00a0sql\u00a0=\u00a0“create\u00a0table\u00a0MSG(id\u00a0int,body\u00a0varchar(100))”;<\/li>\n
  19. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0db.execSQL(sql);<\/li>\n
  20. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“\u521b\u5efa\u4e86\u4e00\u4e2a\u6570\u636e\u5e93\uff01”);<\/li>\n
  21. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
  22. \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u5f53\u66f4\u65b0\u6570\u636e\u5e93\u65f6\u6267\u884c\u8be5\u65b9\u6cd5<\/li>\n
  23. \u00a0\u00a0\u00a0\u00a0@Override<\/li>\n
  24. \u00a0\u00a0\u00a0\u00a0public\u00a0void\u00a0onUpgrade(SQLiteDatabase\u00a0db,\u00a0int\u00a0oldVersion,\u00a0int\u00a0newVersion)\u00a0{<\/li>\n
  25. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“\u66f4\u65b0\u4e86\u6570\u636e\u5e93\uff01”);<\/li>\n
  26. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u8fd8\u53ef\u4ee5\u5199\u5176\u4ed6\u7684\u64cd\u4f5c<\/li>\n
  27. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
  28. }<\/li>\n<\/ol>\n<\/div>\n

    \u6709\u4e86\u8fd9\u4e2a\u7c7b\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u589e\u3001\u5220\u3001\u6539\u3001\u67e5\u64cd\u4f5c\u4e86\u3002
    \n\u63d2\u5165\u6570\u636e\uff1a<\/p>\n

    \n
    <\/div>\n
      \n
    1. \/\/\u751f\u6210ContentValues\u5bf9\u8c61\uff0ckey:\u5217\u540d\uff0cvalue:\u60f3\u63d2\u5165\u7684\u503c<\/li>\n
    2. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ContentValues\u00a0values\u00a0=\u00a0new\u00a0ContentValues();<\/li>\n
    3. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0values.put(“id”,\u00a01);<\/li>\n
    4. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0values.put(“body”,\u00a0“hello”);<\/li>\n
    5. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DatabaseHelper\u00a0dbhelper\u00a0=\u00a0new\u00a0DatabaseHelper(SqliteActivity.this,\u00a0“text_msg”,\u00a0null,\u00a02);<\/li>\n
    6. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u5f97\u5230\u53ef\u5199\u7684SQLiteDatabase\u5bf9\u8c61<\/li>\n
    7. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SQLiteDatabase\u00a0db\u00a0=\u00a0dbhelper.getWritableDatabase();<\/li>\n
    8. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u8c03\u7528insert\u65b9\u6cd5\uff0c\u5c06\u6570\u636e\u63d2\u5165\u6570\u636e\u5e93<\/li>\n
    9. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u53c2\u65701\uff1a\u8868\u540d<\/li>\n
    10. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u53c2\u65702\uff1a\u5982\u679c\u4f60\u60f3\u63d2\u5165\u7a7a\u503c\uff0c\u90a3\u4e48\u4f60\u5fc5\u987b\u6307\u5b9a\u5b83\u7684\u6240\u5728\u7684\u5217<\/li>\n
    11. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0db.insert(“MSG”,\u00a0null,\u00a0values);<\/li>\n
    12. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“\u63d2\u5165\u4e86\uff1a1,\u00a0hello”);<\/li>\n<\/ol>\n<\/div>\n

      \u5220\u9664\u6570\u636e\uff1a<\/p>\n

      \n
      <\/div>\n
        \n
      1. DatabaseHelper\u00a0dbhelper\u00a0=\u00a0new\u00a0DatabaseHelper(SqliteActivity.this,\u00a0“text_msg”,\u00a0null,\u00a02);<\/li>\n
      2. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u5f97\u5230\u53ef\u5199\u7684SQLiteDatabase\u5bf9\u8c61<\/li>\n
      3. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SQLiteDatabase\u00a0db\u00a0=\u00a0dbhelper.getWritableDatabase();<\/li>\n
      4. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u8c03\u7528delete\u65b9\u6cd5\uff0c\u5220\u9664\u6570\u636e<\/li>\n
      5. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0db.delete(“MSG”,\u00a0“id=?”,\u00a0new\u00a0String[]{“1”});<\/li>\n
      6. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“\u5220\u9664\u4e86\uff1aid=1”);<\/li>\n<\/ol>\n<\/div>\n

        \u4fee\u6539\u6570\u636e\uff1a<\/p>\n

        \n
        <\/div>\n
          \n
        1. ContentValues\u00a0values\u00a0=\u00a0new\u00a0ContentValues();<\/li>\n
        2. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0values.put(“body”,\u00a0“my\u00a0dear!”);<\/li>\n
        3. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DatabaseHelper\u00a0dbhelper\u00a0=\u00a0new\u00a0DatabaseHelper(SqliteActivity.this,\u00a0“text_msg”,\u00a0null,\u00a02);<\/li>\n
        4. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u5f97\u5230\u53ef\u5199\u7684SQLiteDatabase\u5bf9\u8c61<\/li>\n
        5. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SQLiteDatabase\u00a0db\u00a0=\u00a0dbhelper.getWritableDatabase();<\/li>\n
        6. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u8c03\u7528insert\u65b9\u6cd5\uff0c\u5c06\u6570\u636e\u63d2\u5165\u6570\u636e\u5e93<\/li>\n
        7. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u53c2\u65703\uff1awhere\u00a0\u5b50\u53e5\u00a0“?”\u662f\u5360\u4f4d\u7b26\u53f7\uff0c\u5bf9\u5e94\u540e\u9762\u7684”1”,\u8fd9\u548cweb\u5f00\u53d1\u65f6\u7684\u8bed\u6cd5\u662f\u4e00\u6837\u7684<\/li>\n
        8. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0db.update(“MSG”,\u00a0values,\u00a0“id=?”,\u00a0new\u00a0String[]{“1”});<\/li>\n
        9. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“\u66f4\u65b0\u4e86\uff1ahello–>my\u00a0dear!”);<\/li>\n<\/ol>\n<\/div>\n

          \u67e5\u8be2\u6570\u636e\uff1a<\/p>\n

          \n
          <\/div>\n
            \n
          1. DatabaseHelper\u00a0dbhelper\u00a0=\u00a0new\u00a0DatabaseHelper(SqliteActivity.this,\u00a0“text_msg”,\u00a0null,\u00a02);<\/li>\n
          2. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u5f97\u5230\u53ef\u8bfb\u7684SQLiteDatabase\u5bf9\u8c61<\/li>\n
          3. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SQLiteDatabase\u00a0db\u00a0=\u00a0dbhelper.getReadableDatabase();<\/li>\n
          4. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u53c2\u65701\uff1a\u8868\u540d<\/li>\n
          5. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u53c2\u65702\uff1a\u8981\u60f3\u663e\u793a\u7684\u5217<\/li>\n
          6. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u53c2\u65703\uff1awhere\u5b50\u53e5<\/li>\n
          7. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u53c2\u65704\uff1awhere\u5b50\u53e5\u5bf9\u5e94\u7684\u6761\u4ef6\u503c<\/li>\n
          8. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u53c2\u65705\uff1a\u5206\u7ec4\u65b9\u5f0f<\/li>\n
          9. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u53c2\u65706\uff1ahaving\u6761\u4ef6<\/li>\n
          10. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u53c2\u65707\uff1a\u6392\u5e8f\u65b9\u5f0f<\/li>\n
          11. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Cursor\u00a0cursor\u00a0=\u00a0db.query(“MSG”,\u00a0new\u00a0String[]{“id”,”body”},\u00a0“id=?”,\u00a0new\u00a0String[]{“1”},\u00a0null,\u00a0null,\u00a0null);<\/li>\n
          12. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“\u67e5\u5230\u7684\u6570\u636e\u4e3a\uff1a”);<\/li>\n
          13. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0while(cursor.moveToNext()){<\/li>\n
          14. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int\u00a0id\u00a0=\u00a0cursor.getInt(cursor.getColumnIndex(“id”));<\/li>\n
          15. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0String\u00a0name\u00a0=\u00a0cursor.getString(cursor.getColumnIndex(“body”));<\/li>\n
          16. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“–>”+id+”::::::::::”+name);<\/li>\n
          17. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n<\/ol>\n<\/div>\n

            \u600e\u6837\u4f7f\u7528adb\u67e5\u770b\u6570\u636e\u5e93\uff1f<\/strong><\/p>\n

            SQLite\u6ca1\u6709\u5ba2\u6237\u7aef\uff0c\u4e0d\u80fd\u76f4\u63a5\u7684\u67e5\u770b\u6570\u636e\u5e93\uff0c\u6240\u4ee5\u7528\u5b83\u63d0\u4f9b\u7684adb\u5427\u3002<\/p>\n

            1\uff0c\u8fdb\u5165\u547d\u4ee4\u884c\u540e\u8f93\u5165adb\u56de\u8f66\uff0c\u4f1a\u663e\u793a\u5f88\u591a\u7684\u4fe1\u606f\u3002<\/p>\n

            2\uff0c\u8f93\u5165adb shell\u56de\u8f66\uff0c\u5c31\u8fdb\u5165\u4e86Linux\u547d\u4ee4\u884c\uff0c\u73b0\u5728\u5c31\u53ef\u4ee5\u4f7f\u7528Linux\u7684\u547d\u4ee4\u4e86\u3002<\/p>\n

            3\uff0cls\u56de\u8f66\uff0c\u663e\u793a\u6240\u6709\u7684\u4e1c\u897f\uff0c\u5176\u4e2d\u6709\u4e2adata\u3002\uff08ls:\u663e\u793a\u6240\u6709\uff0ccd:\u8fdb\u5165\uff09<\/p>\n

            4\uff0ccd data\u56de\u8f66\uff0c\u518dls\u56de\u8f66\uff0ccd data\u56de\u8f66\uff0cls\u56de\u8f66\u540e\u5c31\u4f1a\u770b\u5230\u5f88\u591a\u7684com.\u3002\u3002\u3002\u7684\u4e1c\u897f\uff0c\u90a3\u5c31\u662f\u673a\u5668\u4e0a\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u627e\u5230\u4f60\u5e94\u7528\u7a0b\u5e8f\u7684\u5305\u540d\uff0c\u7136\u540e\u8fdb\u5165\u3002<\/p>\n

            5\uff0c\u8fdb\u53bb\u540e\u5728\u67e5\u770b\u6240\u6709\uff0c\u4f1a\u53d1\u73b0\u4e2adatabases,\u8fdb\u5165databases\uff0c\u663e\u793a\u6240\u6709\u5c31\u4f1a\u53d1\u73b0\u4f60\u7684\u6570\u636e\u5e93\u540d\u5b57\uff0c\u6211\u8fd9\u91cc\u4f7f\u7528\u7684\u662f”text_msg”\u3002<\/p>\n

            6\uff0csqlite3 text_msg\u56de\u8f66\u5c31\u8fdb\u5165\u4e86\u4f60\u7684\u6570\u636e\u5e93\u4e86\uff0c\u7136\u540e\u201c.<\/strong>schema\u201d\u5c31\u4f1a\u770b\u5230\u8be5\u5e94\u7528\u7a0b\u5e8f\u7684\u6240\u6709\u8868\u53ca\u5efa\u8868\u8bed\u53e5\u3002<\/p>\n

            7\uff0c\u73b0\u5728\u4f60\u5c31\u53ef\u4ee5\u4f7f\u7528\u6807\u51c6\u7684SQL\u8bed\u53e5\u67e5\u770b\u521a\u624d\u751f\u6210\u7684\u6570\u636e\u5e93\u53ca\u6570\u636e\u4e86\u3002<\/p><\/blockquote>\n

            \u5bf9\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u65b9\u6cd5\u5f88\u591a\uff0c\u8fd9\u53ea\u662f\u5176\u4e2d\u4e00\u79cd\u3002<\/p>\n

            \u539f\u6587\u5730\u5740\uff1ahttp:\/\/blog.csdn.net\/zzy916853616\/article\/details\/6599898<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

            \u5b66\u4e60android\u5f00\u53d1\u4e0d\u53ef\u907f\u514d\u7684\u4f1a\u6d89\u53ca\u6570\u636e\u5e93\u7684\u4f7f\u7528\uff0candroid\u4f7f\u7528\u7684\u662fSQLite\u6570\u636e\u5e93\u3002\u5bf9\u4e8eSQLite\u6570\u636e\u5e93\u7684\u57fa\u672c\u4fe1\u606f\u8fd9\u91cc\u5c31\u4e0d\u8fc7\u591a\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u4e3b\u8981\u770b\u54c8\u662f\u600e\u4e48\u7528\u7684\u5c31\u662f\u4e86\u3002 \u4e0e\u4ee5\u5f80\u6570\u636e\u5e93\u4e0d\u4e00\u6837\u7684\u5730\u65b9 \u4ee5\u524d\u6211\u4eec\u505ajavaWeb\u5f00\u53d1\u65f6\u7528jdbc\u8fde\u63a5\uff0c\u73b0\u5728\u53d8\u4e86\uff0c\u4e2a\u4eba\u89c9\u5f97\u53d8\u5f97\u7b80\u5355\u4e86\u3002\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u76f4\u63a5\u5c31\u53ef\u4ee5\u53bb\u521b\u5efa\u6570\u636e\u5e93\uff0c\u7136\u540e\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\u3002\u4e0d\u7528\u50cf\u4ee5\u524d\u5199\u8fde\u63a5\u4ee3\u7801\u3002 \u64cd\u4f5c\u6570\u636e\u5e93 \u4e00\uff0cSQLiteOpenHelper \u7c7b \u5176\u4e2d\uff1a getReadableDatabase()\u5f97\u5230\u53ef\u8bfb\u7684\u6570\u636e\u5e93\uff0c\u8fd4\u56deSQLiteDatabase\u5bf9\u8c61\uff0c\u7136\u540e\u901a\u8fc7\u5bf9\u8c61\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002 getWritableDatabase()\u5f97\u5230\u53ef\u5199\u7684\u6570\u636e\u5e93\uff0c\u8fd4\u56deSQLiteDatabase\u5bf9\u8c61\uff0c\u7136\u540e\u901a\u8fc7\u5bf9\u8c61\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002 onCreate(SQLiteDatabase db)\u5728\u7b2c\u4e00\u6b21\u521b\u5efa\u6570\u636e\u5e93\u65f6\u8c03\u7528\u3002 onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion)\u5728\u66f4\u6539\u6570\u636e\u5e93\u65f6\u90fd\u4f1a\u8c03\u7528\u3002 onOpen(SQLiteDatabase db)\u5f53\u6570\u636e\u5e93\u6253\u5f00\u65f6\u8c03\u7528\u3002 close()\u5173\u95ed\u6570\u636e\u5e93\u3002 \u4e8c\uff0cSQLiteDatabase\u7c7b \u8fd9\u4e2a\u7c7b\u63d0\u4f9b\u4e86\u5bf9\u6570\u636e\u5e93\u7684\u4e00\u4e9b\u57fa\u672c\u64cd\u4f5c\uff1a insert() delete() update() query() \u3002\u3002\u3002\u3002\u3002\u7b49\u7b49\u3002 \u4ee3\u7801\uff1a SQLiteOpenHelper \u7684\u5b50\u7c7b\uff1a import\u00a0android.content.Context; import\u00a0android.database.sqlite.SQLiteDatabase; import\u00a0android.database.sqlite.SQLiteDatabase.CursorFactory; import\u00a0android.database.sqlite.SQLiteOpenHelper; \/** \u00a0*\u00a0\u901a\u8fc7getReadableDatabase()\u548cgetWritableDatabase()\u53ef\u4ee5\u83b7\u5f97\u6570\u636e\u5e93\u5bf9\u8c61\u3002 \u00a0*\u00a0\u63d0\u4f9bonCreate()-\u521b\u5efa\u6570\u636e\u5e93\u65f6,onUpgrade()-\u5347\u7ea7\u6570\u636e\u5e93\u65f6\uff0c\u4e24\u4e2a\u56de\u8c03\u51fd\u6570\u3002 \u00a0*\/ public\u00a0class\u00a0DatabaseHelper\u00a0extends\u00a0SQLiteOpenHelper\u00a0{ \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u6309\u8981\u6c42\u5fc5\u987b\u8981\u6709\u6784\u9020\u51fd\u6570 \u00a0\u00a0\u00a0\u00a0public\u00a0DatabaseHelper(Context\u00a0context,\u00a0String\u00a0name,\u00a0CursorFactory\u00a0factory, \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int\u00a0version)\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0super(context,\u00a0name,\u00a0factory,\u00a0version); \u00a0\u00a0\u00a0\u00a0} \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u5f53\u7b2c\u4e00\u6b21\u5f97\u5230SQLiteDatabase\u5bf9\u8c61\u65f6\uff0c\u8c03\u7528\u8be5\u65b9\u6cd5 \u00a0\u00a0\u00a0\u00a0@Override \u00a0\u00a0\u00a0\u00a0public\u00a0void\u00a0onCreate(SQLiteDatabase\u00a0db)\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0String\u00a0sql\u00a0=\u00a0“create\u00a0table\u00a0MSG(id\u00a0int,body\u00a0varchar(100))”; \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0db.execSQL(sql); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“\u521b\u5efa\u4e86\u4e00\u4e2a\u6570\u636e\u5e93\uff01”); \u00a0\u00a0\u00a0\u00a0} \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u5f53\u66f4\u65b0\u6570\u636e\u5e93\u65f6\u6267\u884c\u8be5\u65b9\u6cd5 \u00a0\u00a0\u00a0\u00a0@Override \u00a0\u00a0\u00a0\u00a0public\u00a0void\u00a0onUpgrade(SQLiteDatabase\u00a0db,\u00a0int\u00a0oldVersion,\u00a0int\u00a0newVersion)\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“\u66f4\u65b0\u4e86\u6570\u636e\u5e93\uff01”); … Continue reading android\uff1aSQLite\u6570\u636e\u5e93 \u589e\u3001\u5220\u3001\u6539\u3001\u67e5<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[57],"class_list":["post-794","post","type-post","status-publish","format-standard","hentry","category-android","tag-sqlite"],"_links":{"self":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=794"}],"version-history":[{"count":2,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/794\/revisions"}],"predecessor-version":[{"id":797,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/794\/revisions\/797"}],"wp:attachment":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}