附加题2代码

get_danmu_chart.py

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+import requests
+from bs4 import BeautifulSoup
+import matplotlib.pyplot as plt
+
+url = "https://api.bilibili.com/x/v1/dm/list.so?oid=1643253304"
+# 伪装成浏览器访问
+header = {"user-agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36 Edg/128.0.0.0"}
+
+response = requests.get(url, headers=header)
+response.encoding = 'utf-8'
+xml = response.text
+soup = BeautifulSoup(xml, "lxml")
+content_all = soup.find_all(name="d")
+
+timeList = []
+
+# for循环遍历content_all
+for content in content_all:
+    # 使用.attrs获取p对应的属性值，并赋值给data
+    data = content.attrs["p"]
+
+    # 使用split()函数分割data，把第一个元素时间赋值给time
+    time = data.split(",")[0]
+
+    # 将time转换成浮点数，添加进列表timeList中
+    timeList.append(float(time))
+
+danmu_dict = {}
+
+for i in range(7):
+    start = 30 * i + 1
+    end = 30 * (i + 1)
+    x = f"{start}-{end}"
+    danmu_dict[x] = 0
+
+for danmu in danmu_dict.keys():
+    # 使用split()分隔字典的键获取第一项，赋值给变量start
+    start = danmu.split("-")[0]
+    # 使用split()分隔字典的键获取第二项，赋值给变量end
+    end = danmu.split("-")[1]
+    for time in timeList:
+        if int(start) <= time <= int(end):
+            danmu_dict[danmu] = danmu_dict[danmu] + 1
+
+path = 'D:/雷电大魔王/Python/软工作业/软工作业/' # 保存路径
+name = 'danmu'  # 图表名称
+plt.title(name+"_chart")
+plt.rc('font',family='SimHei'); plt.rc('font',size=17)
+#提取字典的键和值
+x = list(danmu_dict .keys())
+y = list(danmu_dict.values())
+#绘制折线图
+plt.plot(x, y)
+plt.xlabel('X')
+plt.ylabel('Y')
+plt.savefig(path + "/" + r"弹幕统计图.png")