0209整理

tests/weight-app.py

@@ -0,0 +1,62 @@
+# 读取原始数据文件
+import datetime
+
+input_file = r"C:\Users\fujin\Desktop\fsdownload\weight.txt"  # 原始数据文件路径
+output_file = r"C:\Users\fujin\Desktop\fsdownload\filtered_B_records.txt"  # 输出结果文件路径 (使用原始字符串避免Unicode转义错误)
+
+# 存储包含"B"标记的记录
+filtered_records = []
+
+# 读取并过滤数据
+with open(input_file, "r", encoding="utf-8") as f:
+    lines = f.readlines()
+    for line in lines:
+        # 筛选包含"B,"的行（避免误匹配其他含B的字符）
+        if "B," in line or "F," in line:
+            # 移除等号
+            cleaned_line = line.strip().replace('=', '')
+            
+            # 分割行数据
+            parts = cleaned_line.split(',')
+            
+            if len(parts) >= 2:
+                try:
+                    # 解析前两个日期（假设格式为YYYY-MM-DD或YYYY/MM/DD）
+                    date1_str = parts[0].strip()
+                    date2_str = parts[1].strip()
+                    
+                    # 尝试不同的日期格式
+                    date_formats = ['%Y-%m-%d %H:%M:%S', '%Y-%m-%d', '%Y/%m/%d']
+                    date1 = None
+                    date2 = None
+                    
+                    for fmt in date_formats:
+                        try:
+                            if date1 is None:
+                                date1 = datetime.datetime.strptime(date1_str, fmt)
+                            if date2 is None:
+                                date2 = datetime.datetime.strptime(date2_str, fmt)
+                        except ValueError:
+                            continue
+                    
+                    if date1 and date2:
+                        # 计算时间差（秒数）
+                        total_seconds = (date2 - date1).total_seconds()
+                        # 转换为分:秒格式
+                        minutes = int(total_seconds // 60)
+                        seconds = int(total_seconds % 60)
+                        time_diff = f"{minutes:02d}:{seconds:02d}"
+                        # 在行末尾添加时间差
+                        cleaned_line = f"{cleaned_line},{time_diff}"
+                except Exception as e:
+                    # 如果日期解析失败，保持原始行不变
+                    pass
+            
+            filtered_records.append(cleaned_line)
+
+# 保存过滤后的数据
+with open(output_file, "w", encoding="utf-8") as f:
+    f.write("\n".join(filtered_records))
+
+print(f"过滤完成！共提取到 {len(filtered_records)} 条含'B'标记的记录")
+print(f"结果已保存至：{output_file}")