package-lock.json 的作用是什么？ - What is the role of the package-lock.json?

问题：

npm@5 has been published, it has a new feature package-lock.json file (after npm install ) which confuses me. npm@5 已经发布，它有一个新功能package-lock.json文件（在npm install ），这让我很困惑。 I want to know, what is the effect of this file?我想知道，这个文件的作用是什么？

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解决方案：

参考一： https://stackoom.com/question/2zrsh
参考二： What is the role of the package-lock.json?