配列情報を取得するjson形式のファイル json形式のファイルtest.jsonを読み込みます。 [{"id":"01","name":"東京太郎","birthday":"1981/01/20"},{"id":"02","name":"埼玉次郎","birthday":"1982/02/19"},{"id":"03","name":"千葉健太郎","birthday":"1983/03/18"},{"id":"04","name":"神奈川四郎","birthday":"1984/04/17"},{"id":"05","name":"山梨吾郎","birthday":"1985/05/16"},{"id":"06","name":"静岡六郎","birthday":"1986/06/15"},{"id":"07","name":"福岡七郎","birthday":"1987/07/14