commit eca7a6190625b25cad0c19f51d78f195db797e4b
Author: Zichao Lin <earthjasonlin@163.com>
Date:   Sat Nov 22 20:28:14 2025 +0800

    init

diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+.venv/
+.vecode/
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diff --git a/.vscode/settings.json b/.vscode/settings.json
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+++ b/.vscode/settings.json
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+{
+    "python-envs.defaultEnvManager": "ms-python.python:venv",
+    "python-envs.pythonProjects": []
+}
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diff --git a/config.json b/config.json
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+++ b/config.json
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+{
+  "fund_codes": [
+    "014847"
+  ]
+}
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diff --git a/main.py b/main.py
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+++ b/main.py
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+import requests
+import json
+import pandas as pd
+import time
+import os
+import re
+from typing import List, Dict, Optional
+
+
+class SinaFundDataFetcher:
+    def __init__(self):
+        self.base_url = "https://finance.sina.com.cn/fund/api/xh5Fund/nav/{}.js"
+        self.headers = {
+            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
+        }
+
+    def get_fund_data(self, fund_code: str) -> Optional[Dict]:
+        """
+        获取单个基金的数据
+        """
+        url = self.base_url.format(fund_code)
+
+        try:
+            response = requests.get(url, headers=self.headers, timeout=10)
+            response.encoding = "utf-8"
+
+            if response.status_code == 200:
+                content = response.text
+                json_str = self._parse_jsonp(content)
+
+                if json_str:
+                    data = json.loads(json_str)
+                    return data
+                else:
+                    print(f"解析JSONP失败: {fund_code}")
+                    return None
+            else:
+                print(
+                    f"请求失败，状态码: {response.status_code}, 基金代码: {fund_code}"
+                )
+                return None
+
+        except Exception as e:
+            print(f"获取基金数据时出错: {fund_code}, 错误: {e}")
+            return None
+
+    def _parse_jsonp(self, jsonp_str: str) -> Optional[str]:
+        """
+        解析JSONP格式数据
+        """
+        match = re.search(r"xh5Fund\(({.*})\)", jsonp_str)
+        if match:
+            return match.group(1)
+        return None
+
+
+class FundDataManager:
+    def __init__(self, config_file: str = "config.json", output_dir: str = "output"):
+        self.fetcher = SinaFundDataFetcher()
+        self.config_file = config_file
+        self.output_dir = output_dir
+        os.makedirs(output_dir, exist_ok=True)
+
+    def load_config(self) -> List[str]:
+        """
+        从config.json加载基金代码列表
+        """
+        try:
+            with open(self.config_file, "r", encoding="utf-8") as f:
+                config = json.load(f)
+                fund_codes = config.get("fund_codes", [])
+                print(f"从配置文件中加载了 {len(fund_codes)} 个基金代码")
+                return fund_codes
+        except FileNotFoundError:
+            print(f"配置文件 {self.config_file} 不存在")
+            return []
+        except Exception as e:
+            print(f"读取配置文件失败: {e}")
+            return []
+
+    def parse_and_save_fund_data(self, fund_code: str) -> bool:
+        """
+        获取、解析并保存单个基金数据
+        """
+        print(f"正在处理基金 {fund_code}...")
+
+        raw_data = self.fetcher.get_fund_data(fund_code)
+        if not raw_data or "data" not in raw_data:
+            print(f"未能获取基金 {fund_code} 的数据")
+            return False
+
+        data_str = raw_data["data"]
+        formatted_data = []
+
+        # 解析数据字符串
+        daily_data_list = data_str.split("#")
+
+        for daily_data in daily_data_list:
+            if not daily_data.strip():
+                continue
+
+            fields = daily_data.split(",")
+            if len(fields) >= 3:  # 至少需要日期、单位净值、累计净值三个字段
+                try:
+                    # 格式化数据
+                    record = {
+                        "date": f"{fields[0][:4]}-{fields[0][4:6]}-{fields[0][6:8]}",  # YYYY-MM-DD
+                        "NAVpU": float(fields[1]),  # 单位净值
+                        "cNAVpU": float(fields[2]),  # 累计单位净值
+                    }
+                    formatted_data.append(record)
+                except (ValueError, IndexError) as e:
+                    print(f"解析数据失败: {daily_data}, 错误: {e}")
+                    continue
+
+        if formatted_data:
+            # 按日期排列
+            formatted_data.sort(key=lambda x: x["date"], reverse=False)
+
+            # 保存为JSON文件
+            output_file = os.path.join(self.output_dir, f"{fund_code}.json")
+            try:
+                with open(output_file, "w", encoding="utf-8") as f:
+                    json.dump(formatted_data, f, ensure_ascii=False, indent=2)
+                print(f"基金 {fund_code} 数据已保存至: {output_file}")
+                print(f"共保存 {len(formatted_data)} 条记录")
+                return True
+            except Exception as e:
+                print(f"保存文件失败: {e}")
+                return False
+        else:
+            print(f"基金 {fund_code} 没有有效数据")
+            return False
+
+    def process_all_funds(self):
+        """
+        处理所有基金数据
+        """
+        fund_codes = self.load_config()
+
+        if not fund_codes:
+            print("没有找到基金代码，请检查配置文件")
+            return
+
+        success_count = 0
+        total_count = len(fund_codes)
+
+        for i, fund_code in enumerate(fund_codes, 1):
+            print(f"\n[{i}/{total_count}] ", end="")
+            if self.parse_and_save_fund_data(fund_code):
+                success_count += 1
+
+            if i < total_count:
+                time.sleep(0.1)
+
+        print(f"\n处理完成！成功: {success_count}/{total_count}")
+
+
+def create_sample_config():
+    """
+    创建示例配置文件
+    """
+    sample_config = {"fund_codes": ["014847", "014846"]}
+
+    with open("config.json", "w", encoding="utf-8") as f:
+        json.dump(sample_config, f, ensure_ascii=False, indent=2)
+    print("已创建示例配置文件 config.json")
+
+
+def main():
+    # 检查配置文件是否存在
+    if not os.path.exists("config.json"):
+        print("配置文件 config.json 不存在，创建示例配置...")
+        create_sample_config()
+        return
+
+    # 创建数据管理器并处理所有基金
+    manager = FundDataManager()
+    manager.process_all_funds()
+
+if __name__ == "__main__":
+    main()
diff --git a/requirements.txt b/requirements.txt
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