webexcelform.java

《j2ee开发全程实录》随书源码

package com.cownew.PIS.tools.web;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.upload.FormFile;

public class WebExcelForm extends ActionForm
{
	private FormFile file;

	public FormFile getFile()
	{
		return file;
	}

	public void setFile(FormFile file)
	{
		this.file = file;
	}
	
	public ActionErrors validate(ActionMapping mapping, HttpServletRequest request)
	{
		ActionErrors errors = new ActionErrors();
		if (file == null)
		{
			errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"请选择文件", false));
		}
		else if(!file.getFileName().endsWith(".xls"))
		{
			errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"请选择Excel文件", false));
		}
		return errors;
	}
	
}