Struts2的简单示例action类

基类：

package com.kit.common;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;

import com.kit.utils.Config;
import com.kit.utils.JsonUtil;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

@SuppressWarnings({"serial","unchecked","rawtypes"})
public abstract class BaseAction extends ActionSupport implements ServletRequestAware, ServletResponseAware, Serializable{

	public Boolean isSearch;//是否查询
	public String filterType;//查询业务类型
	public QueryParameter queryParameter;//封装查询参数
	public QueryResult queryResult;//查询结果
	public Long rows = SysConstant.ADMIN_PAGE_COUNT;//分页(每页显示记录数10)
	public Long page = 1L;//页码
	public String sortName;//jquery 表格排序字段
	public String sortOrder;//jquery 表格排序方式
	
	public HttpServletRequest request;
	public HttpServletResponse response;
	
	public String returnPageURL;
	public String returnParamater;
	public String resultJSON;
	
	public void beforeAnsy(){
		ServletActionContext.getResponse().setCharacterEncoding("UTF-8");
		ServletActionContext.getResponse().setHeader("Cache-Control","no-cache");
		ServletActionContext.getResponse().setHeader("Pragma","no-cache");
		ServletActionContext.getResponse().setDateHeader("Expires",0);
	}
	public final Log log = LogFactory.getLog(getActionClassFullName());
	
	/**
	 * 去指定的URL地址
	 * @return
	 */
	public String goToUrl(){
		return "dispatcher";
	}
	/**
	 * 实体列表初始化
	 * @return
	 */
	protected String initQueryList(boolean isValidFilter) {
		if(null!=isSearch && isSearch.booleanValue()){//点击查询
			Context.setQueryParameter(getActionClassFullName(), queryParameter);
		}else if(null!=isSearch && !isSearch.booleanValue()){//非查询
			queryParameter = Context.getQueryParameter(getActionClassFullName());
			if(null!=queryParameter){
				Context.removeQueryParameter(getActionClassFullName());
			}
			queryParameter = new QueryParameter();
		}else{//查询分页
			queryParameter = Context.getQueryParameter(getActionClassFullName());//获取查询条件
			if(null == queryParameter){
				queryParameter = new QueryParameter();
			}
		}
		
		StringBuffer sb = new StringBuffer(" where ");
		sb.append(makeFilterString(queryParameter));//过滤HQL
		
		initQueryResult(rows);//初始化查询分页参数
		if(isValidFilter){
			if(sb.toString().trim().equals("where")){
				sb.append(" valid='1'");
			}else{
				sb.append(" and valid='1'");
			}
		}else{
			if(sb.toString().trim().equals("where"))
				sb.append(" 1=1 ");
		}
		
		return sb.toString();
	}
	
	/**
	 * 初始化查询分页参数
	 */
	protected void initQueryResult(Long queryResultCountType) {
		if(null==queryResult){
			queryResult = new QueryResult();
		}
		if(rows==0)
			queryResult.setMaxResult(queryResultCountType);
		else
			queryResult.setMaxResult(rows);
		queryResult.setCurrentPage(page);
		String currentRequest = request.getRequestURI();
		queryResult.setUrl(currentRequest);
	}
	protected void retrunMsg(boolean sucess,Map retMsg){
		if(retMsg==null)retMsg = new HashMap();
		retMsg.put("state", sucess);
		String retJSON = "";
		if(sucess){
			retMsg.put("resultMsg", "操作成功！");
			retJSON = JsonUtil.getJSONString(retMsg);
		}else{
			retMsg.put("resultMsg", "操作异常！请检查并重试或联系管理员。");
			retJSON = JsonUtil.getJSONString(retMsg);
		}
		JsonUtil.toJSONHtmlOut(retJSON);
	}
	protected void retrunMsg(boolean sucess){
		Map retMsg = new HashMap();
		retMsg.put("state", sucess);
		String retJSON = "";
		if(sucess){
			retMsg.put("resultMsg", "操作成功！");
			retJSON = JsonUtil.getJSONString(retMsg);
		}else{
			retMsg.put("resultMsg", "操作异常！请检查并重试或联系管理员。");
			retJSON = JsonUtil.getJSONString(retMsg);
		}
		JsonUtil.toJSONHtmlOut(retJSON);
	}
	protected void retrunMsg(boolean state,String retMassage){
		Map retMsg = new HashMap();
		retMsg.put("state", state);
		retMsg.put("resultMsg", retMassage);
		String retJSON = JsonUtil.getJSONString(retMsg);
		JsonUtil.toJSONHtmlOut(retJSON);
	}
	public Map<String, Object> getSession() {
		return ActionContext.getContext().getSession();
	}

	public Config Cfg() {
		return Config.getInstance();
	}

	public QueryParameter getQueryParameter() {
		return queryParameter;
	}

	public void setQueryParameter(QueryParameter queryParameter) {
		this.queryParameter = queryParameter;
	}

	public Boolean getIsSearch() {
		return isSearch;
	}

	public void setIsSearch(Boolean isSearch) {
		this.isSearch = isSearch;
	}

	public void setServletResponse(HttpServletResponse response) {
		this.response = response;
	}
	
	public void setServletRequest(HttpServletRequest request) {
		this.request = request;
	}

	public QueryResult getQueryResult() {
		return queryResult;
	}

	public void setQueryResult(QueryResult queryResult) {
		this.queryResult = queryResult;
	}


	public String getReturnPageURL() {
		return returnPageURL;
	}

	public Long getRows() {
		return rows;
	}

	public void setRows(Long rows) {
		this.rows = rows;
	}

	public Long getPage() {
		return page;
	}

	public void setPage(Long page) {
		this.page = page;
	}

	public void setReturnPageURL(String returnPageURL) {
		this.returnPageURL = returnPageURL;
	}

	public String getReturnParamater() {
		return returnParamater;
	}

	public void setReturnParamater(String returnParamater) {
		this.returnParamater = returnParamater;
	}

	public String getSortName() {
		return sortName;
	}

	public void setSortName(String sortName) {
		this.sortName = sortName;
	}

	public String getSortOrder() {
		return sortOrder;
	}

	public void setSortOrder(String sortOrder) {
		this.sortOrder = sortOrder;
	}

	public String getFilterType() {
		return filterType;
	}

	public void setFilterType(String filterType) {
		this.filterType = filterType;
	}
}

实现基本业务类：

package com.forveross.coas.web.action;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import javax.annotation.Resource;

import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.forveross.plane.service.TaskInfoService;
import com.forveross.plane.vo.TaskInfo;
import com.kit.common.BaseAction;
import com.kit.common.QueryParameter;

@SuppressWarnings("serial")
@Controller("taskInfoAction")
@Scope("prototype")
public class TaskInfoAction extends BaseAction {

	@Resource(name = "taskInfoServiceImpl")
	private TaskInfoService taskInfoService;
	private int pageNum = 1;
	private int pageSize = 15;
	private int totalCount;
	private int pageCount;
	private int cpage = 1;// 当前页
	private List<Integer> pageList;
	private String mes;// 提示信息
	private String act;
	private String taskId;

	private TaskInfo taskInfo;
	private Date grabTime;

	public Date getGrabTime() {
		return grabTime;
	}

	public void setGrabTime(Date grabTime) {
		this.grabTime = grabTime;
	}

	private List<TaskInfo> taskList;

	public TaskInfoService getTaskInfoService() {
		return taskInfoService;
	}

	public void setTaskInfoService(TaskInfoService taskInfoService) {
		this.taskInfoService = taskInfoService;
	}

	public int getPageNum() {
		return pageNum;
	}

	public void setPageNum(int pageNum) {
		this.pageNum = pageNum;
	}

	public int getPageSize() {
		return pageSize;
	}

	public void setPageSize(int pageSize) {
		this.pageSize = pageSize;
	}

	public int getTotalCount() {
		return totalCount;
	}

	public void setTotalCount(int totalCount) {
		this.totalCount = totalCount;
	}

	public int getPageCount() {
		return pageCount;
	}

	public void setPageCount(int pageCount) {
		this.pageCount = pageCount;
	}

	public int getCpage() {
		return cpage;
	}

	public void setCpage(int cpage) {
		this.cpage = cpage;
	}

	public String getMes() {
		return mes;
	}

	public void setMes(String mes) {
		this.mes = mes;
	}

	public List<Integer> getPageList() {
		return pageList;
	}

	public void setPageList(List<Integer> pageList) {
		this.pageList = pageList;
	}

	public String getAct() {
		return act;
	}

	public void setAct(String act) {
		this.act = act;
	}

	public TaskInfo getTaskInfo() {
		return taskInfo;
	}

	public String getTaskId() {
		return taskId;
	}

	public void setTaskId(String taskId) {
		this.taskId = taskId;
	}

	public void setTaskInfo(TaskInfo taskInfo) {
		this.taskInfo = taskInfo;
	}

	public List<TaskInfo> getTaskList() {
		return taskList;
	}

	public void setTaskList(List<TaskInfo> taskList) {
		this.taskList = taskList;
	}

	/**
	 * 初始化分页信息
	 */
	public void initPage() {
		cpage = pageNum;
		totalCount = taskInfoService.countTaskInfo();
		pageList = new ArrayList<Integer>();

		if (totalCount % pageSize != 0) {
			pageCount = totalCount / pageSize + 1;
		} else {
			pageCount = totalCount / pageSize;
		}
		for (int i = 1; i <= pageCount; i++) {
			pageList.add(i);
		}
	}

	/**
	 * 添加航空公司
	 * 
	 * @return
	 * @throws Exception
	 */
	public String addTaskInfo() throws Exception {
		String urlStr = "";
		if (taskId != null && !taskId.trim().equals("")) {// 修改
			taskInfo = taskInfoService.findTaskInfo(Long.parseLong(taskId));
			urlStr = "WEB-INF/jsp/pg/flight/task_update.jsp";
		} else {// 添加
			urlStr = "WEB-INF/jsp/pg/flight/task_add.jsp";
		}
		returnPageURL = urlStr;
		return "dispatcher";
	}

	/**
	 * 添加或修改任务
	 * 
	 * @return
	 * @throws Exception
	 */
	public String editTaskInfo() throws Exception {
		String urlStr = "";
		if (act != null && act.equals("update")) {// 修改
			taskInfo.setNextGrabTime(this.grabTime);
			taskInfoService.saveOrUpdateTaskInfo(taskInfo);

			this.mes = "修改任务成功！";
			initPage();
			taskList = taskInfoService.findTaskInfoList(pageNum, pageSize);
			urlStr = "WEB-INF/jsp/pg/flight/task_setting.jsp";
		} else {// 添加
			taskInfo.setNextGrabTime(this.grabTime);
			taskInfoService.saveOrUpdateTaskInfo(taskInfo);
			setTaskInfo(null);
			urlStr = "WEB-INF/jsp/pg/flight/task_add.jsp";
		}
		returnPageURL = urlStr;
		return "dispatcher";
	}

	/**
	 * 删除任务
	 * 
	 * @return
	 * @throws Exception
	 */
	public String deleteTaskInfo() throws Exception {
		if (taskId != null && !taskId.trim().equals("")) {
			taskInfoService.deleteTaskInfo(Long.parseLong(taskId));
			this.mes = "删除任务成功！";
		}

		initPage();
		taskList = taskInfoService.findTaskInfoList(pageNum, pageSize);
		returnPageURL = "WEB-INF/jsp/pg/flight/task_setting.jsp";
		return "dispatcher";
	}

	/**
	 * 查询显示任务列表
	 * 
	 * @return
	 * @throws Exception
	 */
	public String showTaskInfoList() throws Exception {
		initPage();
		taskList = taskInfoService.findTaskInfoList(pageNum, pageSize);
		returnPageURL = "WEB-INF/jsp/pg/flight/task_setting.jsp";
		return "dispatcher";
	}

}