您还需要将支持 jar 文件添加到类路径中.它们会在 D:\ANDROID\kits\sdk\extras\android\support\v7\appcompat\libs 中.您需要添加 android-support-v7-appcompat.jar 和 android-support-v4.jar 文件.

You need to add the support jar files to the classpath too. They'd be in D:\ANDROID\kits\sdk\extras\android\support\v7\appcompat\libs. You need to add both the android-support-v7-appcompat.jar and android-support-v4.jar files.