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q2_1_crawler/q2_1.py
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39
q2_1_crawler/q2_1.py
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import requests
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import json
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# 1. 配置请求头(测试头,满足题目要求)
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headers = {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
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"Accept-Language": "zh-CN,zh;q=0.9",
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"Referer": "https://exam.detr.top/"
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}
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url = "https://exam.detr.top/exam-b/movies"
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# 2. 一次性请求获取全部数据(题目要求单次抓取)
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resp = requests.get(url, headers=headers)
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resp.raise_for_status() # 捕获请求异常
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# 保存原始网页源码到 movies.html
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with open("movies.html", "w", encoding="utf-8") as f:
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f.write(resp.text)
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# 解析接口返回的json数据
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movie_data = resp.json()
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# 筛选全部10部电影,校验字段:id, title, director, year, rating, duration, genre, actors_count
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valid_movies = []
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for item in movie_data:
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needed_keys = ["id", "title", "director", "year", "rating", "duration", "genre", "actors_count"]
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# 只保留包含全部要求键的电影
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if all(k in item for k in needed_keys):
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valid_movies.append(item)
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# 保存电影数据到 movies.json
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with open("movies.json", "w", encoding="utf-8") as f:
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json.dump(valid_movies, f, ensure_ascii=False, indent=2)
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print("抓取完成:已生成 movies.html 和 movies.json")
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print(f"共抓取到 {len(valid_movies)} 部电影")
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