使用Commons Logging，您可以通过改变配置文件更换底层日志实现。
With Commons logging, you can swap the underlying logging implementation by changing a configuration file.
要运行它，通过用二进制文件位置来更换执行文档中的以下注释，您必须使用指向图像文件的有效URL来填充执行文档。
To run it you must complete the perform document with a valid URL pointing to the image file by replacing the following comment in the perform document with the binary file location.
在更换外壳时 SLIK 用到了一个规范文件。
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