每日总结2.25

package com.example.dell.tiwen;


        import android.content.Context;
        import android.database.ContentObservable;
        import android.database.sqlite.SQLiteDatabase;
        import android.database.sqlite.SQLiteOpenHelper;

public class TiwenDB extends SQLiteOpenHelper{
    public static final String TABLE_NAME = "tiwens";
    public static final String TIWEN = "tiwen";
    public static final String ID = "_id";
    public static final String TIME = "time";
    public static final String DIDIAN = "didian";
    public static final String NAME = "name";

    public TiwenDB(Context context){
        super(context,"tiwens",null,1);
    }
    @Override
    public void onCreate(SQLiteDatabase db) {
        db.execSQL("CREATE TABLE "+ TABLE_NAME +"("
                + ID +" INTEGER PRIMARY KEY AUTOINCREMENT,"
                + DIDIAN +" TEXT NOT NULL,"
                + TIWEN +" TEXT NOT NULL,"
                + NAME +" TEXT NOT NULL,"
                + TIME +" TEXT NOT NULL)");
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

    }
}