Cannot complete the install because one or more required items could not be found.
Software being installed: SWT Designer 1.6.0.r36x201305212028 (org.eclipse.wb.rcp.feature.feature.group 1.6.0.r36x201305212028)
Missing requirement: SWT Designer 1.6.0.r36x201305212028 (org.eclipse.wb.rcp.feature.feature.group 1.6.0.r36x201305212028) requires 'org.eclipse.pde.feature.group 3.2.0' but it could not be found
这么简单的问题，下载windowbulider的包，解压后有features和plugins文件夹，将这两个文件夹里面了的内容复制到eclipse的对应的文件夹下即可。注意要打开这两个文件夹复制，而不是直接拖两个文件夹覆盖对应的文件夹！那样会替换掉原来的文件夹内容，导致只有rcp插件，而原来的插件都上天堂了
解压后不止有features 和 plugins 文件夹，还有其他文件怎么办？