Intellij Idea中的库，项目，模块和包 [英] Libraries, projects, modules and packages in Intellij Idea

问题描述

我是初学程序员，我正在学习如何使用Intellij IDEA。 IntelliJ IDEA中的项目有一些不同的结构，如库，模块和包。

I'm a beginner programmer and I'm learning how to work with Intellij IDEA. A project in IntelliJ IDEA has some different structures like libraries, modules and packages.

有人可以解释这些结构与何时使用特定结构之间的区别吗？例如当它已经是模块的一部分时，我无法选择我的包名（类）。那些之间的联系是什么？我主要是难以理解包和模块之间的区别。

Can someone explain what the difference is between those structures and when to use a particular structure? e.g. I can't chose my package name (of a class) arbitrary when it's already part of a module. What is the connection between those? I'm primarily having difficulties understanding the difference between a package and a module.

推荐答案

intellij中的项目由模块组成。模块可以是java模块，也可以是android模块或其他。模块包含你的java代码和所有东西。模块可以引用可以是项目库或全局库的库。全局库只需定义一次。您需要的每个项目中的项目库。

A project in intellij consists of modules. Modules can be java modules, or android modules or whatever. Modules contain your java code and all that stuff. A Module can reference a library which can be a project library or a global library. Global libraries have to be defined only once. Project library in every project you need them.

包是一个java概念，与IDE无关。

Packages are a java concept and are IDE independent.

让我们说我想做一个小游戏。我会创建一个名为mySuperGame的intellij项目。然后我将从intellij创建两个java模块，称为逻辑和ui。在ui的模块设置中，我将指定一个项目库来使用opengl和dep。到逻辑。我的逻辑类的包名称是com.mysupergame.logic.XXX。

Lets say I wanna do a little game. I would create a intellij Project called "mySuperGame". Then I would create two java modules from intellij, called "logic" and "ui". In the module settings of "ui" I would specify a project library to use opengl and a dep. to "logic". The package name of my logic classes would be "com.mysupergame.logic.XXX".

参见 http://confluence.jetbrains.com/display/IDEADEV/Structure+of+IntelliJ+IDEA+Project 了解更多信息。

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