struts2 注解配置拦截器 实例

/**
*
*/
package com.wonders.stpt.contractReview.action;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.InterceptorRef;
import org.apache.struts2.convention.annotation.InterceptorRefs;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ModelDriven;
import com.wonders.stpt.contractReview.model.bo.WorkflowActivity;
import com.wonders.stpt.contractReview.model.vo.ContractReviewVo;
import com.wonders.stpt.contractReview.service.ContractReviewService;
import com.wonders.stpt.contractReview.util.ContractReviewUtil;
import com.wonders.stpt.core.login.entity.vo.TaskUserVo;
import com.wonders.stpt.page.model.PageInfo;
import com.wonders.stpt.page.model.PageResultSet;
import com.wonders.stpt.util.ActionWriter;
import com.wonders.stpt.util.StringUtil;

/**
* @ClassName: ContractReviewAction
* @Description: TODO(这里用一句话描述这个类的作用)
* @author zhoushun
* @date 2013-6-9 上午9:37:12
*
*/
@ParentPackage("custom-default")
@Namespace(value="/contractReview")
@Controller("contractReviewAction")
@Scope("prototype")
public class ContractReviewAction extends AbstractParamAction implements ModelDriven<ContractReviewVo>{
/**
*
*/
private static final long serialVersionUID = 1631323544896056619L;
private ActionWriter aw = new ActionWriter(response);
private ContractReviewVo vo = new ContractReviewVo();
private ContractReviewService service;
public ContractReviewService getService() {
return service;
}
@Autowired(required=false)
public void setService(@Qualifier("contractReviewService")ContractReviewService service) {
this.service = service;
}

@SuppressWarnings({ "unchecked"})
@Action(value="todoList",results={
@Result(name="success",location="/contractReview/todoList.jsp")
},
<span style="color:#ff6666;"><strong>	interceptorRefs = {@InterceptorRef(value = "mydefault")}  )</strong></span>
// 拦截器

public String todoItemList(){
String loginNames = "";
Map<String, TaskUserVo> userMap =
(Map<String, TaskUserVo>)this.request.getSession().getAttribute("deptUsers");
for(Map.Entry<String, TaskUserVo> entry : userMap.entrySet()){
loginNames += "'"+StringUtil.getNotNullValueString(entry.getKey()) +"'"+",";
}
if(loginNames.length() > 0){
loginNames = loginNames.substring(0, loginNames.length()-1);
}
String contract_name = this.request.getParameter("contract_name");
String contract_identifier = this.request.getParameter("contract_identifier");
String contract_money_type_id = this.request.getParameter("contract_money_type_id");
String contract_type1_id = this.request.getParameter("contract_type1_id");
String contract_type2_id = this.request.getParameter("contract_type2_id");
String contract_moneyLt = this.request.getParameter("contract_moneyLt");
String contract_moneyGt = this.request.getParameter("contract_moneyGt");
String project_charge_dept = this.request.getParameter("project_charge_dept");
String contract_group_id = this.request.getParameter("contract_group_id");
String purchase_type_id = this.request.getParameter("purchase_type_id");
String[] kpi_controls = this.request.getParameterValues("kpi_control");
String kpi_control = "";
if(kpi_controls != null && kpi_controls.length > 0){
for(String temp : kpi_controls){
kpi_control += temp + ",";
}
kpi_control = kpi_control.substring(0, kpi_control.length()-1);
}

this.request.setAttribute("contract_name", contract_name);
this.request.setAttribute("contract_identifier", contract_identifier);
this.request.setAttribute("contract_money_type_id", contract_money_type_id);
this.request.setAttribute("contract_type1_id", contract_type1_id);
this.request.setAttribute("contract_type2_id", contract_type2_id);
this.request.setAttribute("contract_moneyLt",contract_moneyLt);
this.request.setAttribute("contract_moneyGt", contract_moneyGt);
this.request.setAttribute("project_charge_dept", project_charge_dept);
this.request.setAttribute("contract_group_id", contract_group_id);
this.request.setAttribute("purchase_type_id", purchase_type_id);
this.request.setAttribute("kpi_control", kpi_control);

int totalRows = this.service.countTodo(contract_name,contract_identifier,
contract_money_type_id, contract_type1_id,
contract_type2_id, contract_moneyLt,
contract_moneyGt, project_charge_dept,
contract_group_id, purchase_type_id,
kpi_control,loginNames);
PageInfo pageinfo = new PageInfo(totalRows, vo.pageSize, vo.page);
List<Object[]> list = this.service.findTodoByPage(pageinfo.getBeginIndex(), vo.pageSize,
contract_name,
contract_identifier,
contract_money_type_id, contract_type1_id,
contract_type2_id, contract_moneyLt,
contract_moneyGt, project_charge_dept,
contract_group_id, purchase_type_id,
kpi_control,loginNames);
//System.out.println("list.size======"+list.size());
PageResultSet<Object[]> result  = new PageResultSet<Object[]>();
result.setList(list);
result.setPageInfo(pageinfo);
this.request.setAttribute("result", result);

return "success";
}

/**
* @Title: getModel
* @Description: TODO(这里用一句话描述这个方法的作用)
* @param @return    设定文件
* @throws
*/
@Override
public ContractReviewVo getModel() {
// TODO Auto-generated method stub
return vo;
}

}

struts.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
<package name="custom-default" extends="struts-default">
<!-- 定义一个拦截器 -->
<interceptors>
<interceptor name="authority"
class="com.wonders.stpt.contractReview.interceptor.AuthInterceptor">
</interceptor>
<!-- 拦截器栈 -->
<interceptor-stack name="mydefault">
<interceptor-ref name="authority" />
<interceptor-ref name="defaultStack" />

</interceptor-stack>
</interceptors>
</package>
<constant name="struts.objectFactory.spring.autoWire.alwaysRespect" value="true"/>
<constant name="struts.multipart.maxSize" value="25242880" />
<constant name="struts.custom.i18n.resources" value="fileUpload"></constant>
</struts>


过滤器：
/**
* @Title: AuthInterceptor.java
* @Package com.wonders.stpt.contractReview.interceptor
* @Description: TODO(用一句话描述该文件做什么)
* @author zhoushun
* @date 2014年8月8日 下午3:25:49
* @version V1.0
*/
package com.wonders.stpt.contractReview.interceptor;

import java.util.Map;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
import com.wonders.stpt.core.login.constant.LoginConstant;

/**
* @ClassName: AuthInterceptor
* @Description: TODO(这里用一句话描述这个类的作用)
* @author zhoushun
* @date 2014年8月8日 下午3:25:49
*
*/
public class AuthInterceptor extends AbstractInterceptor{

/**
* @Title: intercept
* @Description: TODO(这里用一句话描述这个方法的作用)
* @param @param arg0
* @param @return
* @param @throws Exception 设定文件
* @throws
*/
@Override
public String intercept(ActionInvocation invocation) throws Exception {
// 取得请求相关的ActionContext实例
String result = "";
ActionContext ctx = invocation.getInvocationContext();
Map session = ctx.getSession();
String user = (String) session.get(LoginConstant.STPT_SECURITY_LOGIN_NAME);
t("begin");

if (user != null && "G00100000123".equals(user)) {
result = invocation.invoke();
} else{
result = "error";
}
t("end");
return result;
}

private void t(String s){
System.out.println(s);
}
}