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https://www.jetbrains.com/help/idea/2016.2/creating-a-project-from-scratch.html
https://www.jetbrains.com/help/idea/2016.2/creating-and-managing-modules.html
https://www.jetbrains.com/help/idea/2016.2/content-root.html
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原文地址：http://www.cnblogs.com/WCFGROUP/p/5701995.html
