bilibili-API-collect 字幕api

URL：https://api.bilibili.com/x/player/v2?cid=281031471&aid=288571926&bvid=BV1Gf4y1y7wc

其中cid是必须的，aid与bvid至少有一个。返回数据中有字幕的下载链接，是一个json文件。

响应示例：

{
	"code": 0,
	"message": "0",
	"ttl": 1,
	"data": {
		"aid": 288571926,
		"bvid": "BV1Gf4y1y7wc",
		"allow_bp": false,
		"cid": 281031471,
		"max_limit": 1000,
		"page_no": 1,
		"has_next": true,
		"answer_status": 0,
		"block_time": 0,
		"role": "0",
		"last_play_time": 2000,
		"last_play_cid": 281031471,
		"now_time": 1623596752,
		"online_count": 21,
		"subtitle": {
			"allow_submit": true,
			"lan": "en",
			"lan_doc": "英语",
			"subtitles": [{
				"id": 37882658493562885,
				"lan": "zh-CN",
				"lan_doc": "中文（中国）",
				"is_lock": false,
				"subtitle_url": "//i0.hdslb.com/bfs/subtitle/3225bf077ece09ece5aff455fd9120ae0de33d55.json"
			}, {
				"id": 37957283077947397,
				"lan": "zh-Hans",
				"lan_doc": "中文（简体）",
				"is_lock": false,
				"subtitle_url": "//i0.hdslb.com/bfs/subtitle/fbc31f6c91e3d1c3672860f346d3d3f332c8776e.json"
			}, {
				"id": 37882805347155975,
				"lan": "en",
				"lan_doc": "英语",
				"is_lock": false,
				"subtitle_url": "//i0.hdslb.com/bfs/subtitle/35c77f91838c23cfee7b96bc4a4914f08c3a919d.json"
			}]
		},
		"view_points": [],
		"is_ugc_pay_preview": false,
		"preview_toast": "为创作付费，购买观看完整视频|购买观看",
		"pcdn_loader": {
			"flv": {
				"labels": {
					"pcdn_video_type": "flv",
					"pcdn_stage": "release",
					"pcdn_group": "nil",
					"pcdn_version": "nil",
					"pcdn_vendor": "nil"
				}
			},
			"dash": {
				"labels": {
					"pcdn_video_type": "dash",
					"pcdn_stage": "release",
					"pcdn_group": "nil",
					"pcdn_version": "nil",
					"pcdn_vendor": "nil"
				}
			}
		},
		"options": {
			"is_360": false,
			"without_vip": false
		},
		"guide_attention": [{
			"type": 1,
			"from": 1,
			"to": 6,
			"pos_x": 129,
			"pos_y": 180
		}],
		"jump_card": [],
		"operation_card": [],
		"online_switch": {
			"enable_gray_dash_playback": "500",
			"new_broadcast": "1",
			"realtime_dm": "1",
			"subtitle_submit_switch": "1"
		},
		"fawkes": {
			"config_version": 8168,
			"ff_version": 0
		}
	}
}