日志文件，它记录着操作系统及其各种服务程序运行的细节，对操作系统起着非常重要的作用。日志文件可以提供关于潜在问题、错误和安全漏洞等方面的提示。虽然分析和提取日志文件的信息即耗时又复杂，但如果通过工具对它进行高效和正确得分析，它甚至可以提供关于服务器负载和容量方面的警告。本文将描述通过使用Microsoft Visual C++ 6.0工具所开发出来的日志分析工具，并详细介绍基于MFC框架的日志分析系统的设计与实现。该工具在传统的分析方法上加入了更人性的设置，除能对日志文件进行简单的分析外，分析规则可根据人为的需求进行设置更改，从用户角度极大改善了传统的日志分析工具。
关键词： 日志分析；Visual C++；MFC框架
ABSTRACT
Log files, which record every detail of the operating system and its various services application, it has function on enhancing the stability and security of the operating system , playing a very important role. Log files can provide safety tips form the areas of information on potential problems, errors and loopholes. Although the extraction and analysis of the contents of log files is extremely time-consuming and complicated, if we can efficiently and correctly analyze log files by a tool, it even can provide the override warning of server or warning on server capacity. This paper will attempt to describe the log switch system which was developed by the framework of the MFC-based under the tool of Microsoft Visual C + + 6.0. Based on the brief introduction of C++ language, MFC-based design Framework and the mind of object-oriented which are frequently implemented by Windows applications, this paper attempts to introduce the design and implementation of MFC-based log system in detail. Besides the traditional method of analysis, the system added settings which are more artificial. Except the simple analysis of log files, the system achieved that users can analysis logs as they want by resetting the key fields under a certain rule no matter how the log format is changed. It was got greatly improved for traditional log analysis tools from users perspective.
Keyword：log analyze； Visual C++，MF Construction
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