117 lines
3.1 KiB
Python
117 lines
3.1 KiB
Python
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"""
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日志记录功能示例
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演示如何在自定义脚本中使用日志功能
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"""
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from logger_utils import setup_logger
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from datetime import datetime
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import time
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def example_without_logging():
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"""示例1：不使用日志"""
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print("=" * 60)
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print("示例1：普通输出（不记录日志）")
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print("=" * 60)
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print("这是普通的print输出")
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print("只会显示在终端")
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print("不会保存到文件")
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print()
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def example_with_logging():
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"""示例2：使用日志记录"""
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print("=" * 60)
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print("示例2：使用日志记录")
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print("=" * 60)
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# 使用with语句，自动管理日志文件
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with setup_logger(log_file="example_demo.log", log_dir="logs"):
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print("✅ 这条消息会同时输出到终端和文件")
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print("✅ 运行一些计算...")
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for i in range(5):
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print(f" 步骤 {i+1}/5: 处理中...")
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time.sleep(0.1)
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print("✅ 计算完成！")
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print("日志文件已关闭")
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print()
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def example_custom_filename():
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"""示例3：使用时间戳命名"""
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print("=" * 60)
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print("示例3：自动生成时间戳文件名")
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print("=" * 60)
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# log_file=None 会自动生成时间戳文件名
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with setup_logger(log_file=None, log_dir="logs"):
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print("文件名会自动包含时间戳")
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print("适合批量实验，避免覆盖")
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print()
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def example_append_mode():
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"""示例4：追加模式"""
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print("=" * 60)
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print("示例4：追加到现有文件")
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print("=" * 60)
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# 第一次写入
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with setup_logger(log_file="append_test.log", log_dir="logs", mode='w'):
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print("第一次写入：这会覆盖文件")
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# 第二次写入（追加）
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with setup_logger(log_file="append_test.log", log_dir="logs", mode='a'):
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print("第二次写入：这会追加到文件末尾")
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print()
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def example_complex_output():
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"""示例5：复杂输出（包含颜色、格式）"""
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print("=" * 60)
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print("示例5：复杂输出格式")
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print("=" * 60)
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with setup_logger(log_file="complex_output.log", log_dir="logs"):
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# 模拟多种输出格式
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print("\n📊 实验统计：")
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print(" - 实验名称：车道过滤测试")
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print(" - 开始时间：", datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
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print(" - 车辆总数：51")
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print(" - 过滤后：45")
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print("\n🚦 红绿灯检测：")
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print(" ✅ 方法1成功：3辆")
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print(" ✅ 方法2成功：2辆")
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print(" ⚠️ 未检测到：40辆")
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print("\n" + "="*50)
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print("实验完成！")
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print()
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def main():
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"""运行所有示例"""
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print("\n" + "🎯 " + "="*56)
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print("日志记录功能完整示例")
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print("="*60 + "\n")
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example_without_logging()
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example_with_logging()
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example_custom_filename()
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example_append_mode()
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example_complex_output()
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print("="*60)
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print("✅ 所有示例运行完成！")
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print("📁 查看日志文件：ls -lh logs/")
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print("="*60)
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if __name__ == "__main__":
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main()
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