assetmodifyaction.java

J2EE电子商务系统开发从入门到精通---基于Struts和Hibernate技术实现

/*
 * AssetModifyAction.java
 *
 * Created on 2006年6月10日, 上午10:47
 */

package action.asset;

import form.asset.AssetModifyForm;
import java.util.List;
import javax.servlet.http.HttpSession;
import model.asset.hibernate.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
/**
 *
 * @author Administrator
 * @version
 */

public class AssetModifyAction extends Action {
    
    /* forward name="success" path="" */
    private final static String SUCCESS = "success";
    
    /**
     * This is the action called from the Struts framework.
     * @param mapping The ActionMapping used to select this instance.
     * @param form The optional ActionForm bean for this request.
     * @param request The HTTP Request we are processing.
     * @param response The HTTP Response we are processing.
     * @throws java.lang.Exception
     * @return
     */
    public ActionForward execute(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        // 从用户Http请求中得到参数id的值，即当前的资产信息的编号
        String id = request.getParameter("id");
        
        // 获得页面表单中用户输入的信息
        AssetModifyForm modifyForm = (AssetModifyForm)form;
        Asset asset = new Asset();
        asset.setName(modifyForm.getName());
        asset.setPrice(modifyForm.getPrice());
        asset.setRemarks(modifyForm.getRemarks());
        
        // 根据id编号和用户表单输入，更新数据库中对应的资产信息
        boolean isSuccess = AssetUtil.update(id, modifyForm.getTypeId(), modifyForm.getDepartmentId(), asset);
        if (isSuccess == false) {
            return new ActionForward(mapping.getInput());
        }

	List list = AssetUtil.findAll();
	if (list == null) {
            return new ActionForward(mapping.getInput());
	}
        HttpSession httpSession = request.getSession();
        httpSession.setAttribute("assetlist", list);
        
        return mapping.findForward(SUCCESS);
    }
}