如何将预先存在的Java项目导入Eclipse并启动并运行？

  • Z时代
  • 2024-01-10
  • 分类：问答

对重复参考的评论：为什么在被问为重复的问题之前多年被问到时，为什么将其标记为重复？ 我还认为问题，细节和响应比所提到的问题要好得多。

我已经成为C

++程序员已有一段时间了，但是我是Java和Eclipse的新手。我想使用触摸图“图形布局”代码来可视化我正在使用的某些数据。

这段代码是这样组织的：

./com
./com/touchgraph
./com/touchgraph/graphlayout
./com/touchgraph/graphlayout/Edge.java
./com/touchgraph/graphlayout/GLPanel.java
./com/touchgraph/graphlayout/graphelements
./com/touchgraph/graphlayout/graphelements/GESUtils.java
./com/touchgraph/graphlayout/graphelements/GraphEltSet.java
./com/touchgraph/graphlayout/graphelements/ImmutableGraphEltSet.java
./com/touchgraph/graphlayout/graphelements/Locality.java
./com/touchgraph/graphlayout/graphelements/TGForEachEdge.java
./com/touchgraph/graphlayout/graphelements/TGForEachNode.java
./com/touchgraph/graphlayout/graphelements/TGForEachNodePair.java
./com/touchgraph/graphlayout/graphelements/TGNodeQueue.java
./com/touchgraph/graphlayout/graphelements/VisibleLocality.java
./com/touchgraph/graphlayout/GraphLayoutApplet.java
./com/touchgraph/graphlayout/GraphListener.java
./com/touchgraph/graphlayout/interaction
./com/touchgraph/graphlayout/interaction/DragAddUI.java
./com/touchgraph/graphlayout/interaction/DragMultiselectUI.java
./com/touchgraph/graphlayout/interaction/DragNodeUI.java
./com/touchgraph/graphlayout/interaction/GLEditUI.java
./com/touchgraph/graphlayout/interaction/GLNavigateUI.java
./com/touchgraph/graphlayout/interaction/HVRotateDragUI.java
./com/touchgraph/graphlayout/interaction/HVScroll.java
./com/touchgraph/graphlayout/interaction/HyperScroll.java
./com/touchgraph/graphlayout/interaction/LocalityScroll.java
./com/touchgraph/graphlayout/interaction/RotateScroll.java
./com/touchgraph/graphlayout/interaction/TGAbstractClickUI.java
./com/touchgraph/graphlayout/interaction/TGAbstractDragUI.java
./com/touchgraph/graphlayout/interaction/TGAbstractMouseMotionUI.java
./com/touchgraph/graphlayout/interaction/TGAbstractMousePausedUI.java
./com/touchgraph/graphlayout/interaction/TGSelfDeactivatingUI.java
./com/touchgraph/graphlayout/interaction/TGUIManager.java
./com/touchgraph/graphlayout/interaction/TGUserInterface.java
./com/touchgraph/graphlayout/interaction/ZoomScroll.java
./com/touchgraph/graphlayout/LocalityUtils.java
./com/touchgraph/graphlayout/Node.java
./com/touchgraph/graphlayout/TGAbstractLens.java
./com/touchgraph/graphlayout/TGException.java
./com/touchgraph/graphlayout/TGLayout.java
./com/touchgraph/graphlayout/TGLensSet.java
./com/touchgraph/graphlayout/TGPaintListener.java
./com/touchgraph/graphlayout/TGPanel.java
./com/touchgraph/graphlayout/TGPoint2D.java
./com/touchgraph/graphlayout/TGScrollPane.java
./TG-APACHE-LICENSE.txt
./TGGL ReleaseNotes.txt
./TGGraphLayout.html
./TGGraphLayout.jar

如何在Eclipse中添加此项目并使其快速编译和运行？

回答：

  1. 在Eclipse中创建一个新的Java项目。这将创建一个src文件夹（以包含您的源文件）。

  2. 还要创建一个lib文件夹（名称不是那么重要，但是遵循标准约定）。

  3. 将./com/*文件夹复制到文件/src夹中（您可以使用OS进行此操作，而无需执行任何高级导入操作或从Eclipse GUI中执行任何操作）。

  4. 将所有依赖项（jar项目本身依赖的文件）复制到/lib（请注意，其中 包含TGGL jar- 感谢评论者Mike Deck指出了我对OP帖子的误解！ ）

  5. 将其他TGGL内容复制到根项目文件夹（或其他一些专用于许可证的文件夹，您需要在最终应用程序中分发这些许可证）

  6. 返回Eclipse，选择在步骤1中创建的项目，然后按F5键（这将刷新Eclipse的文件夹树视图，并包含实际内容。

  7. /src文件夹的内容将自动编译（将类文件放置在Eclipse在创建项目时为您生成的/ bin文件中）。 （您不在当前项目中，但出于完整性考虑，我将在此包括在内），

  8. 最后，根据需要/lib在Eclipse中打开文件夹，然后选择构建路径。right click``jar file``Build Path->Add

这会将特定的jar添加到项目的类路径中。Eclipse将检测到更改并自动编译之前失败的类，现在您应该拥有一个包含您的应用程序的Eclipse项目。

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