articleinsertaction.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

/*
 * ArticleInsertAction.java
 *
 * Created on 2006年6月15日, 下午9:49
 */

package action.bbs;

import form.bbs.ArticleForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.bbs.hibernate.*;
import model.hr.hibernate.Employee;

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 ArticleInsertAction 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topicid的值，即当前主题的编号
        String topicId = request.getParameter("topicid");
        // 从用户Http请求中得到参数employeeid的值，即当前用户的编号
        String employeeId = request.getParameter("employeeid");
        
        // 获得页面表单中用户输入的信息
        ArticleForm insertForm = (ArticleForm)form;
        Article article = new Article();
        article.setContent(insertForm.getContent());
        article.setName(insertForm.getName());
        
        // 根据表单输入信息、当前用户编号和当前主题编号，向数据库插入一条文章信息
        boolean isSuccess = ArticleUtil.insert(employeeId, topicId, article);
        ActionForward actionForward = null;
        if (isSuccess == true) {
            actionForward = mapping.findForward(SUCCESS);
        }
        else {
            actionForward = new ActionForward(mapping.getInput());
        }
        
        return actionForward;
    }
}