右击项目——properties——projectFacets——激活或者直接选择dynamic web那一项。应用即可。
参考:https://dzone.com/articles/converting-java-project-dynami
https://stackoverflow.com/questions/6129780/module-name-is-invalid-when-exporting-an-existing-eclipse-project-to-a-war-fil
右击项目——properties——projectFacets——激活或者直接选择dynamic web那一项。应用即可。
参考:https://dzone.com/articles/converting-java-project-dynami
https://stackoverflow.com/questions/6129780/module-name-is-invalid-when-exporting-an-existing-eclipse-project-to-a-war-fil