addnewquestionaction.java

使用J2EE Struts开发的房地产信息咨询系统

/**
 * 处理用户提交新的咨询问题的Action Bean
 * AddNewQuestionAction.java
 * @author usr
 */

package building;

import javax.sql.*;
import javax.servlet.ServletContext;
import javax.servlet.http.*;
import org.apache.struts.action.*;


public final class AddNewQuestionAction extends Action
{
	public ActionForward execute(
			ActionMapping mapping,
			ActionForm form,
			HttpServletRequest request,
			HttpServletResponse response)
	throws Exception
	{
		DynaActionForm questionForm = (DynaActionForm)form;
		
		String title = (String)questionForm.get("title");
		String contents = (String)questionForm.get("contents");
		
		//
		title = CharSet.GBK_ISO(title);
		contents = CharSet.GBK_ISO(contents);
		//
		HttpSession session = request.getSession();
		
		Users user = (Users)session.getAttribute(Constants.USER_INFO_KEY);
		int userId = user.getId();
		String subTime = ChinaTime.getTime();
		
		Question question = new Question();
		
		question.setQuestionId(0);
		question.setUserId(userId);
		question.setTitle(title);
		question.setContents(contents);
		question.setSubTime(subTime);
		
		//
		ServletContext context = servlet.getServletContext();
		DataSource dataSource = (DataSource)context.getAttribute(Constants.DATASOURCE_KEY);
		DB db = new DB(dataSource);
		
		//
		ActionMessages errors = new ActionMessages();
		String PageForward = null;
		
		if ( question.addNewQuestion(db) )
		{
			//添加成功
			PageForward = "toAddNewQuestionOK";
		}//End of if
		else
		{
			errors.add(ActionMessages.GLOBAL_MESSAGE,
					new ActionMessage("errors.addNewQuestionFail"));
			if (!errors.isEmpty())
			{
				saveErrors(request,errors);
			}//End of if
			
			PageForward = "toWrong";
		}//End of else
		//
		db.close();
		
		return(mapping.findForward(PageForward));
	}//End of execute
	
}//End of class AddNewQuestionAction