{
  "selected_ids": [
    "S01",
    "S03",
    "S05"
  ],
  "before_csv": "id,name,category\r\nS01,灯箱,展陈\r\nS02,投影仪,影音\r\nS03,展示台,展陈\r\nS04,支架,影音\r\nS05,海报架,展陈\r\nS06,话筒,影音\r\nS07,桌布,后勤\r\nS08,插座,后勤\r\n",
  "after_csv": "id,name,category\r\nS01,灯箱,展陈\r\nS03,展示台,展陈\r\nS05,海报架,展陈\r\n",
  "empty_csv": "id,name,category\r\n",
  "all_count": 8
}