使用eclipse新建一个SWT工程

照着eclipse的引导教程，新建一个swt的hello world程序。

我是一步一步跟着做的，但是编译通过却运行报错。

在网上找到了相似的情况，解决了，于是贴在这里。

问题:

n a WinDoze 7 Pro 32-bit machine, if I follow the instructions for creating a Hello World SWT example, it will work for Helios, but when I try it on Indigo, it fails with the following message:

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Exception in thread "main" java.lang.UnsatisfiedLinkError: Could not load SWT library. Reasons: 
	no swt-win32-3735 in java.library.path
	no swt-win32 in java.library.path
	Can't load library: C:\Users\arick\.swt\lib\win32\x86\swt-win32-3735.dll
	Can't load library: C:\Users\arick\.swt\lib\win32\x86\swt-win32.dll

	at org.eclipse.swt.internal.Library.loadLibrary(Library.java:285)
	at org.eclipse.swt.internal.Library.loadLibrary(Library.java:194)
	at org.eclipse.swt.internal.C.<clinit>(C.java:21)
	at org.eclipse.swt.widgets.Display.<clinit>(Display.java:138)
	at HelloWorldSWT.main(HelloWorldSWT.java:12)

The project, org.eclipse.swt.win32.win32.x86 is in the build path of my HelloWorldSWT project. What I don't understand is why it is looking in my home directory for the SWT DLL?

解答：

Had Same initial issue and finally sorted it by...

Right click on project and go to Properties

In Java Build Path under the Projects tab there is the associated Project, in my case org.eclipse.swt.win32.win32.x86

Expand this down with the little arrow to the left to display the options. Here I found Native Library Locations. This wasn't set so I selected it and clicked Edit.

In the Popup window that follows, I selected Workspace and then org.eclipse.swt.win32.win32.x86.

Next time I ran the class, it work fine.

I hope this helps someone!