本文件夹中的“PowerDesigner建模”目录下包含三个可运行文件WMS1.cdm，WMS.cdm，WMS.pdm分别为WMS系统的实体关系简图、实体关系图和数据库模型，使用PowerDesigner集成开发环境打开任意一个文件即可运行。 -The folder " PowerDesigner modeling"　directory to run the file contains three WMS1.cdm, WMS.cdm, WMS.pdm WMS system, respectively, entity relationship diagrams, entity relationship diagrams and database model, the use of integrated development PowerDesigner environment, open any file to run.