useraction.java

一种快速开发的Java Web架构,doc里有详细的设计文档和开发文档。

package com.hisoft.cottonbusiness.action;

import java.io.PrintWriter;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

import com.hisoft.cottonbusiness.core.action.BaseAction;
import com.hisoft.cottonbusiness.core.common.ListWrapper;
import com.hisoft.cottonbusiness.core.common.PageInfo;
import com.hisoft.cottonbusiness.core.common.PageInputCollector;
import com.hisoft.cottonbusiness.core.common.ServiceLocator;
import com.hisoft.cottonbusiness.core.util.RequestParamUtil;
import com.hisoft.cottonbusiness.service.UserBO;

/**
 * 该类负责所有和用户相关的操作
 * 
 * @author chen_zhiwu
 * 
 */
public class UserAction extends BaseAction
{
	private static final Logger log = Logger.getLogger(UserAction.class);

	private UserBO userBO = (UserBO) ServiceLocator.getBean("userBO");

	private static final String PAGE_CREATE_USER = "createUser";

	private static final String ROOT_ELEMENT = "cncotton";

	/**
	 * 初始化用户创建页面
	 * 
	 * @return
	 * @throws Exception
	 */
	public String createUser() throws Exception
	{
		Map result = userBO.initCreateUser();
		List listRole = (List) result.get("listRole");
		mapOut.put("listRole", listRole);
		return SUCCESS;
	}

	public String checkUser() throws Exception
	{
		String username = RequestParamUtil.getString(request, "username");
		boolean isExisted = userBO.userExsited(username);
		String respCode = "";
		if (isExisted)
			respCode = "yes";
		else
			respCode = "no";
		
		Document doc = DocumentHelper.createDocument();
		Element root = doc.addElement(ROOT_ELEMENT);
		root.addElement("result").addAttribute("value", "" + respCode);

		response.setContentType("text/xml;charset=UTF-8");
		PrintWriter out = response.getWriter();
		out.print(doc.asXML());
		out.flush();
		out.close();
		
		return null;
	}

	/**
	 * 获取指定用户信息
	 * 
	 * @return
	 * @throws Exception
	 */
	public String loadUserById() throws Exception
	{
		Integer id = RequestParamUtil.getInteger(request, "id");
		mapOut = userBO.load(id);
		return SUCCESS;
	}

	/**
	 * 保存和更新用户信息
	 * 
	 * @return
	 * @throws Exception
	 */
	public String saveUser() throws Exception
	{
		Map mapIn = PageInputCollector.collectInputMap(request, PAGE_CREATE_USER);
		String action = mapIn.get("action").toString();
		String result = SUCCESS;
		if ("update".equals(action))
		{
			userBO.update(mapIn);
		}
		else
		{
			userBO.insert(mapIn);
		}

		return result;
	}

	/**
	 * 更新用户信息页面初始化
	 * 
	 * @return
	 * @throws Exception
	 */
	public String updateUser() throws Exception
	{
		Integer id = RequestParamUtil.getInteger(request, "id");
		Map result = userBO.initUpdateUser(id);
		mapOut.putAll(result);
		mapOut.put("action", "update");
		return SUCCESS;
	}

	/**
	 * 罗列所有用户
	 * 
	 * @return
	 * @throws Exception
	 */
	public String listUsers() throws Exception
	{
		int begin = getRecordBegin() - 1;
		int pageSize = getPageSize();
		listOut = new ListWrapper(userBO.listUsers(begin, pageSize));
		
		//设置分页导航信息
		int count = userBO.getCount();
		setPageInfo(new PageInfo(getCurrPage(), count, pageSize, generateURI()));
		return SUCCESS;
	}

	/**
	 * 删除指定用户
	 * 
	 * @return
	 * @throws Exception
	 */
	public String removeUser() throws Exception
	{
		Integer id = RequestParamUtil.getInteger(request, "id");
		userBO.remove(id);
		return SUCCESS;
	}

	public String generateURI()
	{
		// 分页信息：
		StringBuffer uri = new StringBuffer();
		uri.append(request.getRequestURI() + "?");
		uri.append("xxx=" + "xxx");

		return uri.toString();
	}
}