import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
public class DBUtils {
private SQLiteDatabase db;
public DBUtils(Context context){
DBHelper dbHelper=new DBHelper(context,"ming.db",null,1);
db=dbHelper.getWritableDatabase();
}
public void insert(String data){
ContentValues values=new ContentValues();
values.put("ming",data);
db.insert("ming",null,values);
}
public String query(){
String data="";
Cursor cu = db.rawQuery("select ming from ming", null);
while (cu.moveToNext()){
data=cu.getString(cu.getColumnIndex("ming"));
}
return data;
}
}
SQLiteDatabase/DBUtils
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转载自blog.csdn.net/qq_43269114/article/details/82834061
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