1.输入Usercode,点击'SystemId...',生成SystemId 2.点击'Active',生成LICENSE_KEY,ACTIVATION_CODE,ACTIVATION_KEY 3.点击菜单'Tools->2.SaveProperties...', 目的是把生成的LICENSE_KEY,ACTIVATION_CODE,ACTIVATION_KEY保存到C:\DocumentsandSettings\Administrator\.myeclipse.properties文件中 4.点击菜单'Tools->1.ReplaceJarF