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基于Struts2企业级异常处理研究及扩展
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2009-06-18
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传统的Java异常-捕获机制已不能满足当今大型企业级开发的要求。本文对Struts2提供的异常处理机制进行了研究和扩展，提出将检查型（Checked）异常转化为非检查型
（Unchecked）异常进行捕获的思想，通过采用AOP拦截器技术构造一种高效的异常处理机制，提高了代码的可读性，程序的执行速度和可维护性，减少了同类代码的重复使用，避免了由于过量使用检查型（Checked）异常引起的程序结构混乱、代码逻辑复杂等缺陷。
关键词：Java; struts2; 运行时异常; 检查/非检查性异常; AOP;
Abstract: This paper describes the study and extension in the exception handling mechanism
which is provides by Struts2, since the traditional Java exception try-catch mechanism has been unable to satisfy today's large-scale enterprise development. The paper proposes a capturing thought that transforms the inspected (Checked) exception to the non-inspected (Unchecked) exception. Using the AOP intercept technology to construct a kind of highly effective, unification exception handling mechanism, to enhance the code readability greatly, the performance and the maintainability of the program , thus reduce the similar codes redundant used, and avoid the excessive using inspection (Checked) exception causing program's chaotic structure, code's complex logic ,etc.
Key words: Java; struts2; runtime exception; checked/unchecked exception; AOP;
（Unchecked）异常进行捕获的思想，通过采用AOP拦截器技术构造一种高效的异常处理机制，提高了代码的可读性，程序的执行速度和可维护性，减少了同类代码的重复使用，避免了由于过量使用检查型（Checked）异常引起的程序结构混乱、代码逻辑复杂等缺陷。
关键词：Java; struts2; 运行时异常; 检查/非检查性异常; AOP;
Abstract: This paper describes the study and extension in the exception handling mechanism
which is provides by Struts2, since the traditional Java exception try-catch mechanism has been unable to satisfy today's large-scale enterprise development. The paper proposes a capturing thought that transforms the inspected (Checked) exception to the non-inspected (Unchecked) exception. Using the AOP intercept technology to construct a kind of highly effective, unification exception handling mechanism, to enhance the code readability greatly, the performance and the maintainability of the program , thus reduce the similar codes redundant used, and avoid the excessive using inspection (Checked) exception causing program's chaotic structure, code's complex logic ,etc.
Key words: Java; struts2; runtime exception; checked/unchecked exception; AOP;
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