group1findbyprimarykeyaction.java

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package com.relationinfo.txl.struts.actions;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.relationinfo.txl.dao.Group1Dao;
import com.relationinfo.txl.dto.Group1;
import com.relationinfo.txl.factory.Group1DaoFactory;
import com.relationinfo.txl.struts.forms.Group1Form;

public class Group1FindByPrimaryKeyAction extends Action
{
	/**
	 * Method 'execute'
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @throws Exception
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception
	{
		try {
			// 解析参数
			java.lang.String _groupid = request.getParameter("groupid");
		
			//创建Dao类
			Group1Dao dao = Group1DaoFactory.create();
		
			// 执行查询
			Group1 dto = dao.findByPrimaryKey(_groupid);
		
			// 检测是否查到记录
			if (dto == null) {
				throw new RuntimeException( "Finder did not return any data" );
			}
		
			String crudMethod = request.getParameter("crudMethod");
			if (crudMethod == null) {
				crudMethod = "view";
			}
		
			// populate a struts form
			Group1Form group1Form = new Group1Form();
			group1Form.setCrudMethod( request.getParameter("crudMethod") );
			group1Form.setGroupid(dto.getGroupid());
			group1Form.setGroupname(dto.getGroupname());
			// 存储结果
			request.getSession().setAttribute( "Group1", group1Form );
		
			return mapping.findForward( crudMethod );
		}
		catch (Exception e) {
			ActionErrors _errors = new ActionErrors();
			_errors.add( ActionErrors.GLOBAL_ERROR, new ActionError("internal.error", e.getClass().getName() + ": " + e.getMessage() ) );
			saveErrors( request, _errors );
			return mapping.findForward( "failure" );
		}
		
	}

}