middlecorrectaction.java

eclipse java/jsp 航空管理系统

/*
 * Copyright Neusoft Dalian Center,All Rights Reserved
 *
 * WEB Application Apply Struts Platform
 * 
 * PackageName shengjb.form
 * ClassName MiddleCorrectAction.java
 *
 * @author shengjb  | [e-mail]
 *
 * Created on 2005-4-17
 *
 */

package shengjb.action;

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.ActionForward;
import org.apache.struts.action.ActionMapping;

import shengjb.form.MiddleCorrectForm;
import zhangchunliang.model.AppMode;

/**
 * MiddleCorrectAction ActionClass
 * 
 * @author shengjb ver.0.7
 */
public class MiddleCorrectAction extends Action{
	
	/**
	 * Process the specified HTTP request, and create the corresponding HTTP
	 * response (or forward to another web component that will create it), with
	 * provision for handling exceptions thrown by the business logic. Return an
	 * {@link ActionForward}instance describing where and how control should be
	 * forwarded, or <code>null</code> if the response has already been
	 * completed.
	 * 
	 * @param mapping
	 * The ActionMapping used to select this instance
	 * @param form
	 * The optional ActionForm bean for this request (if any)
	 * @param request
	 * The HTTP request we are processing
	 * @param response
	 * The HTTP response we are creating
	 * @exception Exception
	 * if the application business logic throws an exception
	 * @since Struts 1.1
	 */
    public ActionForward execute(ActionMapping mapping, 
    		                          ActionForm form, 
    		                          HttpServletRequest request,
                                      HttpServletResponse response)
    throws Exception {
    	
		if(!AppMode.getAppMode()){
			System.out.println("Application is terminated...");
			return mapping.findForward("appInfo");
		}
    	
    	/*获得锁定修改的记录的主键*/
		String sid = request.getParameter("sid");
		
		/*把获得的值SET到自定义的FORM 中去*/
		((MiddleCorrectForm) form).setSid(sid);
		
		/*事例化表单 为传递参数做准备*/
		MiddleCorrectForm middleCorrectForm = ((MiddleCorrectForm)form);
		
		/*把sid的值SET到JSP页中,在JSP中GET出来*/
		request.setAttribute("sid", sid);
		
		if(middleCorrectForm.getSid()!= null){
			
		    /*实现跳转到修改页*/
		    return (mapping.findForward("realcorrectsuccess"));
		    
		}else{
			
			/*实现跳转到没有选择用户错误页*/
			return (mapping.findForward("nochooseuser"));
		}
   }
}