基于J2EE的B2C电子商务系统开发（论文+系统+开题报告+文献综述+任务书+答辩PPT+中期报表+外文文献+说明书）

J2EE-based B2C e-commerce system development (thesis + system + opening report + literature review + task book + defense PPT + interim report + foreign literature + manual)