import requests
import re

url = "https://movie.douban.com/top250"
headers = {
    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36"
}


response = requests.get(url, headers=headers)
html = response.text


pattern = re.compile(
    r'<em class="">(\d+)</em>.*?'
    r'<span class="title">(.*?)</span>.*?'
    r'<span class="other">(.*?)</span>.*?'
    r'<span class="rating_num".*?>(.*?)</span>.*?'
    r'<span>(\d+人评价)</span>.*?'  
    r'<span class="inq">(.*?)</span>?',
    re.S
)

movies = pattern.findall(html)[:10]


movie_list = []
for m in movies:
    rank = m[0]
    title = m[1]
    en_title = m[2].replace("/", "").strip()
    rating = m[3]
    people = m[4]       
    quote = m[5] if len(m) > 5 else ""  
    movie_list.append({
        "rank": int(rank),
        "title": title,
        "en_title": en_title,
        "rating": rating,
        "people": people,   
        "quote": quote      
    })

with open("movies.txt", "w", encoding="utf-8") as f:
    for m in movie_list:
        f.write(m["title"] + " | " + m["quote"] + "\n")  
print("✅ 练习1完成：已保存中文名+评语到 movies.txt")

with open("movies.csv", "w", encoding="utf-8-sig", newline="") as f:
    writer = csv.writer(f)
  
    writer.writerow(["排名", "中文名", "英文名", "评分", "评价人数", "经典评语"])
    for m in movie_list:
        writer.writerow([m["rank"], m["title"], m["en_title"], m["rating"], m["people"], m["quote"]])
print("✅ 练习2完成：已保存到 movies.csv")

with open("movies.json", "w", encoding="utf-8") as f:
    json.dump(movie_list, f, ensure_ascii=False, indent=4)
print("✅ 练习3完成：已保存到 movies.json")

print("\n--- 练习5：JSON统计 ---")
with open("movies.json", "r", encoding="utf-8") as f:
    data = json.load(f)

max_movie = max(data, key=lambda x: float(x["rating"]))
print(f"评分最高：{max_movie['title']}（{max_movie['rating']}分 | {max_movie['people']}）")