Question

我有错误//没有这样的表：Pbook（代码1）

在我的代码中

private static final String TABLE_NAME = "Pbook";
private static final String _ID = "_id";
private static final String NAME = "name";
private static final String ADDRESS = "address";
private static final String NUMBER = "number";
private static final String HUMAN = "human";

private static final String CREATE_TABLE =
        "CREATE TABLE IF NOT EXIST " + TABLE_NAME + " (" +
                _ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " +
                NAME + " TEXT," +
                ADDRESS + " TEXT," +
                NUMBER + " TEXT," +
                HUMAN + " TEXT)";

public void onCreate(SQLiteDatabase db) {
    db.execSQL(CREATE_TABLE);

}

public void insert(String name, String address, String number, String human){
    SQLiteDatabase db = getWritableDatabase();
    db.execSQL("insert into " + TABLE_NAME +
            " (name, address, number, human) values" +
            "('" + name +
            "','" + address +
            "','" + number +
            "','" + human +"');" );
    db.close();
}

当我使用insert（）时会产生错误，没有这样的表:(代码1）

当然，我是db，并使用getWritableDatabase（）;

为什么会出错？

Answer 1

这是错误的错误。它应该是CREATE TABLE IF NOT EXISTS 而不是CREATE TABLE IF NOT EXIST

private static final String CREATE_TABLE =
    "CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " (" +
            _ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " +
            NAME + " TEXT," +
            ADDRESS + " TEXT," +
            NUMBER + " TEXT," +
            HUMAN + " TEXT)";

卸载并重新安装您的应用程序，一切都会好的。

Answer 2

String CREATE_CONTACTS_TABLE = "CREATE TABLE " + TABLE_NAME + "("
            + KEY_ID + " INTEGER PRIMARY KEY," + KEY_NAME + " TEXT,"
            + KEY_NUM + " TEXT, "+ KEY_MAIL + " TEXT, "+ KEY_ADDR +" TEXT, " + HUMAN+ " TEXT " + ")";
    db.execSQL(CREATE_CONTACTS_TABLE);

希望这会有所帮助.....

没有这样的表:(代码1）错误

2 个答案: