classmagcontroller.java

一个不错的bbs论坛系统．对初学者很有帮助

package com.yhbbs.admin.web.forum;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.validation.BindException;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;

import com.yhbbs.admin.web.forum.form.ClassForm;
import com.yhbbs.utils.ReqUtils;
import com.yhbbs.yhclass.biz.ClassBiz;
import com.yhbbs.yhclass.itface.BbsClass;
/**
 * <p>Title:论坛大类管理Controller</p>
 * <li>	论坛大类增加和修改管理
 * <br><b>WebSite: www.yyhweb.com</b>
 * <br><b>CopyRight: yyhweb[由由华网]</b>
 * @author stephen
 * @version YHBBS-2.0
 */
public class ClassMagController extends SimpleFormController{
	// 构造函数设置其属性
	public ClassMagController(){
		this.setSessionForm(true);
		this.setValidateOnBinding(false);
		this.setCommandName("classForm");
		this.setFormView("classadd");
	}
	
	// 取得表单
	protected Object formBackingObject(HttpServletRequest request) throws Exception {
		String action = ReqUtils.getString(request, "action");
		if("update".equals(action)){
			int classId = ReqUtils.getInt(request, "cId");
			BbsClass bbsclass = ClassBiz.getOneClass(classId);
			return new ClassForm(bbsclass);
		}else
			return new ClassForm();
	}
	
	// 表单提交
	protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object command,BindException errors){
		Map<String, String> model = new HashMap<String, String>();
		boolean flag = true;
		ClassForm classForm = (ClassForm)command;
		BbsClass bbsclass = classForm.getBbsclass();
		int id = bbsclass.getId();
		if(id<=0)
			flag = ClassBiz.addClass(bbsclass);
		else
			flag = ClassBiz.editClass(bbsclass);
		if(flag){
			if(id<=0)
				model.put("okinfo", "增加大类");
			else
				model.put("okinfo", "修改大类");
			model.put("forward", "<a href='../admin/ForumMag.do'>论坛管理</a>");
			return new ModelAndView("success",model);
		}else{
			model.put("errinfo", "大类");
			model.put("forward", "<a href='../admin/ClassMag.do'>增加大类</a>");
			return new ModelAndView("failure",model);
		}
		
	}
}