【CodeIgniter3】League/CSVを使ってデータベースのデータをCSVファイルでダウンロードする方法
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<?php | |
defined('BASEPATH') OR exit('No direct script access allowed'); | |
use League\Csv\Writer; | |
class Welcome extends CI_Controller { | |
public function index() | |
{ | |
// 一時ファイル作成 | |
$csv = Writer::createFromFileObject(new SplTempFileObject()); | |
// カラム名を取得 | |
$fields = $this->db->list_fields("table_name"); | |
// 一時ファイルにカラム名を追加 | |
$csv->insertOne($fields); | |
// DBからデータ取得 | |
$query = $this->db->query("SELECT * FROM table_name"); | |
// 一時ファイルにデータを追加 | |
$csv->insertAll($query->result_array()); | |
// CSVファイルとして出力 | |
$csv->output('table_name.csv'); | |
} | |
} |
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