SQLite C++ 封裝：easySQLite

一個簡單的 SQLite C++ 封裝.

優勢：

• 優雅的面向對象解決方案

• 顯式命名和調用

• 使用異常以及方法返回值

• 容易理解

• 靈活而且可擴展

• 經過強測試

//define table structure
Field definition_tbPerson[] = 
{
        Field(FIELD_KEY),
        Field("fname", type_text, flag_not_null),
        Field("lname", type_text, flag_not_null),
        Field("birthdate", type_time),
        Field(DEFINITION_END),
};

//define database object
sql::Database db;

try
{
        //open database file
        db.open("test.db");

        //define table object
        Table tbPerson(db.getHandle(), "person", definition_tbPerson);

        //remove table from database if exists
        if (tbPerson.exists())
                tbPerson.remove();

        //create new table
        tbPerson.create();

        //define new record
        Record record(tbPerson.fields());

        //set record data
        record.setString("fname", "Jan");
        record.setString("lname", "Kowalski");
        record.setTime("birthdate", time::now());

        //add 10 records
        for (int index = 0; index < 10; index++)
                tbPerson.addRecord(&record);

        //select record to update
        if (Record* record = tbPerson.getRecordByKeyId(7))
        {
                record->setString("fname", "Frank");
                record->setString("lname", "Sinatra");
                record->setNull("birthdate");

                tbPerson.updateRecord(record);
        }

        //load all records
        tbPerson.open();

        //list loaded records
        for (int index = 0; index < tbPerson.recordCount(); index++)
                if (Record* record = tbPerson.getRecord(index))
                        sql::log(record->toString());

        sql::log("");
        sql::log("ALL OK");

} catch (Exception e) {
        printf("ERROR: %s\r\n", e.msg().c_str());
}

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