Initial commit: skills library

- 70 skills with code and documentation - Add .gitignore (ignore __pycache__, output/, temp/, venv/) - Clean up test intermediates and caches
2026-04-26 19:27:40 +08:00
commit 04db423416
861 changed files with 210414 additions and 0 deletions
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+import pandas as pd
+import chardet
+import os
+
+
+def check_file_format(file_path):
+    """检测文件格式和编码"""
+    print(f"检查文件: {file_path}")
+
+    # 检查文件扩展名
+    ext = os.path.splitext(file_path)[1].lower()
+    print(f"文件扩展名: {ext}")
+
+    if ext in [".xls", ".xlsx"]:
+        print("检测到Excel文件，尝试读取...")
+        try:
+            # 首先尝试读取二进制内容来判断格式
+            with open(file_path, "rb") as f:
+                header = f.read(512)
+
+            # 检查是否是二进制格式（.xls）
+            if b"\x09\x08\x10\x00\x00\x06\x05\x00" in header or b"Workbook" in header:
+                print("确认是.xls (二进制) 格式")
+
+                # 尝试用xlrd读取
+                try:
+                    import xlrd
+
+                    workbook = xlrd.open_workbook(file_path, encoding_override="gbk")
+                    print(f"工作表数量: {len(workbook.sheets())}")
+                    for i, sheet in enumerate(workbook.sheets()):
+                        print(
+                            f"  表{i}: {sheet.name} ({sheet.nrows}行, {sheet.ncols}列)"
+                        )
+                except:
+                    print("使用xlrd读取失败")
+
+            elif ext == ".xlsx":
+                print("检测到.xlsx格式")
+                try:
+                    df = pd.read_excel(file_path, sheet_name=None)
+                    print(f"工作表数量: {len(df.keys())}")
+                    for sheet_name, sheet_df in df.items():
+                        print(
+                            f"  表: {sheet_name} ({len(sheet_df)}行, {len(sheet_df.columns)}列)"
+                        )
+                except Exception as e:
+                    print(f"读取.xlsx失败: {e}")
+
+        except Exception as e:
+            print(f"检测Excel文件失败: {e}")
+
+    else:
+        # 对于文本文件，检测编码
+        try:
+            with open(file_path, "rb") as f:
+                raw_data = f.read(10000)  # 读取前10KB用于检测
+                encoding_result = chardet.detect(raw_data)
+                print(
+                    f"检测到编码: {encoding_result['encoding']} (置信度: {encoding_result['confidence']:.2f})"
+                )
+
+                # 尝试以检测到的编码读取前几行
+                try:
+                    decoded_content = raw_data.decode(encoding_result["encoding"])
+                    lines = decoded_content.split("\n")[:10]  # 前10行
+                    print("前几行内容:")
+                    for i, line in enumerate(lines):
+                        if line.strip():
+                            print(
+                                f"  {i + 1}: {line[:100]}{'...' if len(line) > 100 else ''}"
+                            )
+                except Exception as e:
+                    print(f"解码失败: {e}")
+
+        except Exception as e:
+            print(f"检测文本文件失败: {e}")
+
+
+if __name__ == "__main__":
+    import sys
+
+    if len(sys.argv) > 1:
+        check_file_format(sys.argv[1])
+    else:
+        print("用法: python check_file_format.py <file_path>")