feat: add csv2json scripts

csv2json

@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+import csv
+import json
+import sys
+import os
+
+def main():
+    if len(sys.argv) < 2:
+        print("❌ 使用错误！")
+        print("用法: csv2json <输入CSV文件路径> [输出JSON文件路径]")
+        sys.exit(1)
+
+    csv_path = sys.argv[1]
+    json_path = sys.argv[2] if len(sys.argv) == 3 else os.path.splitext(csv_path)[0] + ".json"
+
+    try:
+        cleaned_data = []
+        
+        with open(csv_path, mode='r', encoding='utf-8-sig') as f:
+            reader = csv.DictReader(f)
+            
+            for row in reader:
+                # 💡 核心过滤逻辑：
+                # 只有当 key 不为 None、不为空字符串、且去掉空格后不为空时，才保留该列
+                filtered_row = {
+                    key: value 
+                    for key, value in row.items() 
+                    if key is not None and str(key).strip() != ""
+                }
+                
+                # 只有这一行过滤后还包含有效数据，才写入结果
+                if filtered_row:
+                    cleaned_data = cleaned_data + [filtered_row]
+
+        with open(json_path, mode='w', encoding='utf-8') as f:
+            json.dump(cleaned_data, f, indent=4, ensure_ascii=False)
+            
+        print(f"✅ 成功排除空列并转换: {csv_path} -> {json_path}")
+    except Exception as e:
+        print(f"❌ 转换失败: {e}")
+
+if __name__ == '__main__':
+    main()