使用spring构建一个简单的工作流引擎，便于初学者了解工作流引擎的开发模式。-The API discussed here is bundled as the main source code under the src/java directory. Three unit tests exist in the src/testdirectory including SimpleSequenceTestCase, RateDropTestCase and PoolingTes

基于jsp的学生作业管理系统，在这里学生可以下载老师布置好的作业，也可以上传自己写好的作业-Jsp-based operations management system for students in this system, students can download operation, the upload operation has been written