usergradecontroller.java

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package com.yhbbs.admin.web.user;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
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.user.form.UserGradeForm;
import com.yhbbs.user.bean.GradeIm;
import com.yhbbs.user.biz.UserLevelBiz;
import com.yhbbs.user.itface.bean.Grade;

/**
 * <p>Title:后台用户等级管理Controller</p>
 * <li>	取得用户等级后可修改更新
 * <br><b>WebSite: www.yyhweb.com</b>
 * <br><b>CopyRight: yyhweb[由由华网]</b>
 * @author stephen
 * @version YHBBS-2.0
 */
public class UserGradeController extends SimpleFormController{

	// 构造函数设置其属性
	public UserGradeController(){
		this.setSessionForm(true);
		this.setValidateOnBinding(false);
		this.setCommandName("gradeForm");
		this.setFormView("usergrade");
	}
	protected Object formBackingObject(HttpServletRequest request) throws Exception {
		List gradeList = (List) UserLevelBiz.getAllGrades();
		return new UserGradeForm(gradeList);
	}
	
	//	数据邦定和表单验证
	protected void onBindAndValidate(HttpServletRequest request,Object command,BindException errors){
		UserGradeForm gForm = (UserGradeForm)command;
		String[] gids = request.getParameterValues("gid");
		String[] names = request.getParameterValues("name");
		String[] posts = request.getParameterValues("leastpost");
		List<Grade> gList = new ArrayList<Grade>();
		Grade grade = null;
		for(int i=0;i<gids.length;i++){
			grade = new GradeIm();
			grade.setGid(Integer.parseInt(gids[i]));
			grade.setName(names[i]);
			grade.setLeastpost(Integer.parseInt(posts[i]));
			gList.add(grade);
		}
		gForm.setGlist(gList);
	}
	protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object command, BindException errors)
	throws Exception {
		Map<String, String> model = new HashMap<String, String>();
		UserGradeForm gForm = (UserGradeForm)command;
		List glist = gForm.getGlist();
		boolean flag = true;
		for(int i=0;i<glist.size();i++){
			Grade gd = (Grade) glist.get(i);
			if(UserLevelBiz.updateGrade(gd))
				flag = true;
			else{
				flag = false;
				break;
			}
		}
		if(flag){
			model.put("okinfo", "修改用户等级");
			model.put("forward", "<a href='../admin/userGrade.do'>用户等级管理</a>");
			return new ModelAndView("success",model);
		}else{
			model.put("errinfo", "修改用户等级");
			model.put("forward", "<a href='#' onclick='javascript:history.go(-1)'>返回修改用户等级</a>");
			return new ModelAndView("failure",model);
		}
	}
}