android編程實現添加常值內容到sqlite表中的方法_Android

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本文執行個體講述了android編程實現添加常值內容到sqlite表中的方法。分享給大家供大家參考,具體如下:

第一步: 建立表

CREATE TABLE DLION (  _id  INTEGER PRIMARY KEY AUTOINCREMENT, content TEXT, questionId INTEGER, answerId INTEGER, [right] INTEGER );

第二步: 把編輯常值內容並放到 res/raw/test.txt

用 Notepad++ 開啟,把每一個將要放在表中儲存格的內容放一行

去除行尾空格和空白行:按CTRL+H 選擇Regex-- 尋找目標:\s+$ 替換為空白

去除行首空格:按CTRL+H 選擇Regex-- 尋找目標:^\s+ 替換為空白

第三步: 開啟資料庫 詳情參照:

《android編程實現sd卡讀取資料庫的方法》

第四步: 添加資料到表

public void addContent() { try {   BufferedReader localBufferReader = new BufferedReader(     new InputStreamReader(getResources().openRawResource(       R.raw.test)));   db = openDatabase();   for (int i = length + 1;; i++) {    // 添加問題到資料庫    String questionStr = localBufferReader.readLine();    if (questionStr == null) {     localBufferReader.close();     db.close();     break;    }    Log.v("insert", "insert questionContent " + questionStr      + " success!");    db.execSQL("insert into DLION(questionId,content) values(" + i      + ",'" + questionStr + "')");    // 添加答案1到資料庫    String answerStr1 = localBufferReader.readLine();    if (answerStr1 == null) {     localBufferReader.close();     db.close();     break;    }    Log.v("insert", "insert answerContent1 " + answerStr1      + " success!");    db.execSQL("insert into DLION(answerId,content) values(" + i      + ",'" + answerStr1 + "')");    // 添加答案2到資料庫    String answerStr2 = localBufferReader.readLine();    if (answerStr2 == null) {     localBufferReader.close();     db.close();     break;    }    Log.v("insert", "insert answerContent2 " + answerStr2      + " success!");    ContentValues answerContent2 = new ContentValues();    answerContent2.put("answerId", i);    answerContent2.put("content", answerStr2);    db.insert("DLION", "_id", answerContent2);    // 添加答案3到資料庫    String answerStr3 = localBufferReader.readLine();    if (answerStr3 == null) {     localBufferReader.close();     db.close();     break;    }    Log.v("insert", "insert answerContent3 " + answerStr3      + " success!");    ContentValues answerContent3 = new ContentValues();    answerContent3.put("answerId", i);    answerContent3.put("content", answerStr3);    db.insert("DLION", "_id", answerContent3);    // 添加答案4到資料庫    String answerStr4 = localBufferReader.readLine();    if (answerStr4 == null) {     localBufferReader.close();     db.close();     break;    }    Log.v("insert", "insert answerContent4 " + answerStr4      + " success!");    ContentValues answerContent4 = new ContentValues();    answerContent4.put("answerId", i);    answerContent4.put("content", answerStr4);    db.insert("DLION", "_id", answerContent4);   } } catch (Exception e) {   // TODO: handle exception   e.printStackTrace();  }}

希望本文所述對大家Android程式設計有所協助。

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