readmessage.java

一个不错的bbs论坛系统．对初学者很有帮助

package com.yhbbs.message.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 org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import com.yhbbs.message.biz.MessageBiz;
import com.yhbbs.message.itface.Message;
import com.yhbbs.user.itface.bean.UserSession;
import com.yhbbs.utils.Constants;
import com.yhbbs.utils.ReqUtils;
import com.yhbbs.utils.StringUtils;
/**
 * <p>Title:阅读站内短消息Action</p>
 * <li>	阅读我发送的短消息<br>
 * <li>	阅读我接受的短消息<br>
 * <br><b>WebSite: www.yyhweb.com</b>
 * <br><b>CopyRight: yyhweb[由由华网]</b>
 * @author stephen
 * @version YHBBS-2.0
 */
public class ReadMessage extends Action {
	public ActionForward execute(ActionMapping mapping,ActionForm form,
			  HttpServletRequest request,HttpServletResponse response){
        ActionMessages errors = new ActionMessages();
        // 用户检查
        UserSession curUser = (UserSession) request.getSession(true).getAttribute(Constants.bbsuser);
        if(curUser==null){
        	errors.add("message.no.user",new ActionMessage("message.no.user"));
			saveErrors(request,errors);
			return mapping.findForward("Failure");
        }
        String userName = curUser.getUsername();
        String action=ReqUtils.getString(request, "a");
        int msgId = ReqUtils.getInt(request, "msgId");
        // 阅读发送的消息
        if(action!=null && action.equals("send"))
        	request.setAttribute("a", "send");
        else
        	MessageBiz.ReadMsg(msgId);
        
        Message curMsg = MessageBiz.getMessage(msgId);
        // 未取得消息
        if(curMsg==null){
        	errors.add("message.no.exist",new ActionMessage("message.no.exist"));
			saveErrors(request,errors);
			return mapping.findForward("Failure");
        }
        // html化
        String content = curMsg.getContent();
        curMsg.setContent(StringUtils.htmlEncode(content));
        
    	request.setAttribute("username", userName);
    	request.setAttribute("message", curMsg);
    	return mapping.findForward("Success");
	}
}