newssortcontroller.java

来自「spring+hibernate做的网上订餐系统」· Java 代码 · 共 76 行

package com.pure.web.spring.manager.news;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.validation.BindException;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;

import com.pure.domain.NewsSort;
import com.pure.domain.logic.NewsSortFacade;
import com.pure.sys.Constant;
import com.pure.util.ParamUtil;

/**
 * 新闻分类控制器
 * 
 * @author pure
 *
 */
public class NewsSortController extends SimpleFormController {
	protected final Log logger = LogFactory.getLog(getClass());

	private NewsSortFacade newsSortFacade;

	public NewsSortFacade getNewsSortFacade() {
		return newsSortFacade;
	}

	public void setNewsSortFacade(NewsSortFacade newsSortFacade) {
		this.newsSortFacade = newsSortFacade;
	}

	/**
	 * 初始化表单数据
	 */
	protected Object formBackingObject(HttpServletRequest request)
			throws Exception {
		String method = ParamUtil.getString(request, Constant.ACTION,
				Constant.NEW);
		NewsSort newsSort = new NewsSort();
		// 新建初始化
		if (Constant.NEW.equalsIgnoreCase(method)) {
			newsSort.setId(new Long(1));
		}
		// 编辑初始化
		if (Constant.EDIT.equalsIgnoreCase(method)) {
			int id = ParamUtil.getInt(request, "id", 0);
			newsSort = this.getNewsSortFacade().getNewsSort(id);
		}
		return newsSort;
	}

	/**
	 * 处理表单提交事件
	 */
	protected ModelAndView onSubmit(HttpServletRequest request,
			HttpServletResponse response, Object command, BindException errors)
			throws Exception {
		String method = ParamUtil.getString(request, Constant.ACTION,Constant.NEW);
		NewsSort newsSort = (NewsSort) command;
		if (Constant.NEW.equalsIgnoreCase(method)) {
			this.getNewsSortFacade().insertNewsSort(newsSort);
		}

		if (Constant.EDIT.equalsIgnoreCase(method)) {
			this.getNewsSortFacade().updateNewsSort(newsSort);
		}

		return new ModelAndView(getSuccessView());
	}

}