eclipse可视化插件安装必备插件之一:VE-runtime-1.2.3。eclipse全部可视化插件正确配置是eclipse-SDK-3.2-win32,emf-sdo-runtime-2.2.0,GEF-runtime-3.2,VE-runtime-1.2.3(或者VE-runtime-1.2),VE-SDK-1.2