画像UploadをModelDrivenで受け取る必要があったので。 ●JSP 色々割愛。 <s:form action="#" method="post" enctype="multipart/form-data"> <s:file name="itemImg" id="button3" label="File" /> </s:form> ●Action public class ImageUploadAction implements ModelDriven<ImageUploadModel> { private static final long serialVersionUID = 1L; private ImageUploadModel model = new ImageUploadModel(); public String execute() throws Exception