modifyaction.java

图书商城系统

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.tang.admin.struts.action;

import java.io.UnsupportedEncodingException;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;

import com.tang.admin.foruse.AdminBean;
import com.tang.admin.foruse.BookDAO;
import com.tang.admin.struts.form.ModifyForm;


/** 
 * MyEclipse Struts
 * Creation date: 06-01-2008
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class ModifyAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		// TODO Auto-generated method stub
		String target = "failure";
		ActionErrors errors = new ActionErrors();
		ModifyForm bookform = (ModifyForm)form;
		HttpSession session = request.getSession();
		AdminBean bean = (AdminBean)session.getAttribute("user");
		Integer id = null;
		String name = null;
		String clas = null;
		Double price = null;
		String comment = null;
		String image = null;
		String author = null;
		String publishhouse = null;
		try {
			id = bookform.getId();
			String prename = bookform.getBookname();
			if(prename!=null)
			name = new String( prename.getBytes("ISO-8859-1"),"UTF-8");
			System.out.print(name);
			clas = new String(bookform.getClas().getBytes("ISO-8859-1"),"UTF-8");
			price = bookform.getPrice();
			comment = new String(bookform.getComment().getBytes("ISO-8859-1"),"UTF-8");;
			image = new String(bookform.getImage().getBytes("ISO-8859-1"),"UTF-8");;
			author = new String(bookform.getAuthor().getBytes("ISO-8859-1"),"UTF-8");
			publishhouse = new String(bookform.getPublishhouse().getBytes("ISO-8859-1"),"UTF-8");;
		} catch (UnsupportedEncodingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		if(bean !=null)
		{
			BookDAO dao = new BookDAO();
			dao.open();
			boolean b = dao.insert("update books set name='"+name+"',class='"+clas+"',price="+price+",comment='"+comment+"',image='"+image+"',author='"+author+"',publishhouse='"+publishhouse+"' where id="+id);
			if(b)
			{
				target = "success";
			}
			else
				target = "error";
		}
		else {
			ActionMessage msg = new ActionMessage("您尚未登录", false);
			errors.add("login", msg);
			request.setAttribute(org.apache.struts.Globals.ERROR_KEY, errors);
			mapping.findForward(target);
		}
		
		return mapping.findForward(target);
	}
}