addaction.java

J2EE SSH 的一个例子

package com.huangdong.dbwebdemo.action;

import java.util.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.*;
import org.apache.struts.util.MessageResources;
import net.sf.hibernate.HibernateException;
import com.huangdong.dbwebdemo.form.SysuserForm;
import com.huangdong.dbwebdemo.db.*;
import com.huangdong.dbwebdemo.dao.*;


public class AddAction extends Action {

	// --------------------------------------------------------- Instance Variables

	// --------------------------------------------------------- Methods

	/** 
	 * Method execute
	 * @param ActionMapping mapping
	 * @param ActionForm form
	 * @param HttpServletRequest request
	 * @param HttpServletResponse response
	 * @return ActionForward
	 * @throws Exception
	 */

         
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response)
		throws Exception {

                SysuserForm sysuser=(SysuserForm)form;
                SysUserMap sysusermap = new SysUserMap();
			try {
				sysusermap.createSysUser(sysuser);
			} catch (HibernateException e) {
				// 数据库存入出错
				ActionErrors errors = new ActionErrors();
				errors.add(
					ActionErrors.GLOBAL_ERROR,
					new ActionError("error.database.save", e.toString()));
				this.saveErrors(request, errors);
				//将当前数据回显，并显示让用户重新输入
				request.setAttribute("sysuserForm", sysuser);
			}
             
		return (mapping.findForward("add"));
	}
}