[英]How can I set Unknown as column's value when there isn't any user's name?
[英]How can I set column name as the name of .csv file's column?
我有一個代碼,可以為表創建一個.csv
導出。 這是我的代碼:
public function export(Request $request){
header('Content-Type: application/excel');
header('Content-Disposition: attachment; filename="export.csv"');
$tb_name_alias = $request->tb_name;
$convert_alias_to_table_name = array('person' => "App\\persons");
$tb_name = $convert_alias_to_table_name[$tb_name_alias];
$arr = $tb_name::all()->toArray();
$newarr = array();
$size_of_outer_array = sizeof($arr);
For ( $i = 0; $i < $size_of_outer_array; $i++ ) {
$newarr[] = implode(",",$arr[$i]);
}
$fp = fopen('php://output', 'w');
foreach ( $newarr as $line ) {
$val = explode(",", $line);
fputcsv($fp, $val);
}
fclose($fp);
}
它也可以正常工作,但是當我再次導入它時,它看起來像這樣:
如您所見,列名稱不是真實的..它們是col1
, col2
等。 但是我需要設置一些名稱作為那些列名稱。 如id
, name
等。
我怎樣才能做到這一點?
嘗試這個
$fp = fopen('php://output', 'w');
fputcsv($fp, array('Column 1', 'Column 2', 'Column 3'));
foreach ( $newarr as $line ) {
$val = explode(",", $line);
fputcsv($fp, $val);
}
fclose($fp);
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