2 qq 21392389 qq_21392389 于 2015.07.21 16:19 提问

不进Struts拦截器,麻烦帮解决,谢谢~~~~~

test.jsp

<%@ page contentType="text/html;charset=GB2312"%>
<%@ taglib prefix="s" uri="/struts-tags"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">


AJAX提交请求测试页面








$(document).ready(function(){ $("#btn").click(function(){ $.ajax({ url: "Essa", type: "POST", data: {"AppCode":"51601","DataSets":"1","Datas":"[{'name':'fsg','pwd':'1'}]"}, dataType: "json", success:function(data) { var jsonStr = eval("("+data+")"); alert(data); //document.getElementById("info").innerHTML = "retAppCode: [ "+jsonStr.retAppCode+" ] DataSets: [ "+jsonStr.retDataSets+" ] 信息:[ "+jsonStr.retDatas[0].info+" ] "; //alert("success:OperCode="+jsonStr.OperCode); //alert("success:DataSets="+jsonStr.DataSets); //alert("success:Datas[0].name="+jsonStr.Datas[0].name); //alert("success:Datas[0].age="+jsonStr.Datas[0].age); }, error:function(data) { alert("error:"); } }); }); });

<s:submit value="%{getText('test')}" id="btn"/>


struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">

<package name="essa" extends="json-default">
    <interceptors>
        <interceptor name="myInterceptor" class="com.essa.Interceptor.MyInterceptor">
        <param name="filterURISwitch">/welcome.html;/login;/html/help;</param></interceptor>

        <interceptor-stack name="myDefaultStack">
            <interceptor-ref name="myInterceptor" />
            <interceptor-ref name="json" />
            <interceptor-ref name="defaultStack" />
        </interceptor-stack>
    </interceptors>

    <default-interceptor-ref name="myDefaultStack" />

    <default-action-ref name="index"></default-action-ref>

    <global-results>
          <result name="failPage" type="redirect">/login.jsp</result>
     </global-results>

    <action name="index">
        <result type="redirect">/welcome.html</result>
    </action>   

    <action name="Essa" class="com.essa.action.EssaAction">
        <result type="json"><param name="root">result</param></result>
    </action>

    <action name="LoginAction" class="com.essa.action.LoginAction">
        <result name="LoginOK" type="dispatcher">/website/home.jsp</result>
        <result name="LoginFail" type="redirect">/loginFail.html</result>
        <result name="Normal" type="redirect">/welcome.html</result>
        <result name="Help" type="dispatcher">/html/help/help.html</result>

    </action>

</package>



拦截器

package com.essa.Interceptor;

import java.io.IOException;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.log4j.Logger;
import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.Interceptor;

/**

  • @name MyInterceptor
  • @time 2015-06-20
  • @version 1.0.0
  • @author ZhangDongxu
    */
    public class MyInterceptor implements Interceptor {
    private static Logger logger = Logger.getLogger(MyInterceptor.class
    .getName());

    private HttpServletRequest request;

    private HttpSession session;
    private ServletContext application;
    private ActionContext context;
    private String filterURISwitch ;
    private String sessionUID;
    private String sessionPASS;

    /**

    • 自定义拦截器执行的代码 作用:拦截请求
    • */ private static final long serialVersionUID = 1L;

    public String getFilterURISwitch() {
    return filterURISwitch;
    }

    public void setFilterURISwitch(String filterURISwitch) {
    this.filterURISwitch = filterURISwitch;
    }

    public void destroy() {
    }

    public void init() {
    }

    public String intercept(ActionInvocation invocation) throws Exception {
    logger.info(">>>>>> [请求信息:执行了自定义拦截器的代码!!!!=============================]");

    System.out.println("====================================================");
    System.out.println(this.filterURISwitch);
    System.out.println("====================================================");
    
    String filterURISwitch = this.filterURISwitch;// 分号分隔的过滤器路径,即哪些不需要进行资源过滤拦截:例如/essa/welcome.html;/essa/html/help.html操作手册
    String[] noFilterURIs;// 临时数组
    
    System.out.println("过滤前提示");
    System.out.println("====================================");
    
    System.out.println("+++++++++++++++++++++++++++++++++++++++++++++");
    
    System.out.println("获取不需要进行过滤URI的初始化参数值: " + filterURISwitch);
    
    noFilterURIs = filterURISwitch.split(";");
    int pathFilterLength = filterURISwitch.split(";").length;
    int filesFilterLength = filterURISwitch.split("\\.").length - 1;
    int pathsSize = pathFilterLength - filesFilterLength;
    
    // 不需要过滤的具体请求的页面,带扩展名
    String[] noDealURIPages = new String[filesFilterLength];
    
    // 不需要过滤的路径
    // 控制用户访问权限
    
    context = invocation.getInvocationContext();
    
    request = (HttpServletRequest) context.get(ServletActionContext.HTTP_REQUEST);
    
    session = request.getSession();
    
    String[] noDealURIPaths = new String[pathFilterLength];
    String currentURI = request.getRequestURI();// 当前请求的页面URI
    String ctx = request.getContextPath();
    currentURI = currentURI.substring(ctx.length());
    
    System.out.println("currentURI = " + currentURI);
    
    // 提取不需要过滤的页面及路径数组,便于进行过滤
    int j = 0;
    int k = 0;
    
    for (int i = 0; i < pathFilterLength; i++) {
    
        if (noFilterURIs[i].split("\\.").length == 2) {
            noDealURIPages[j] = noFilterURIs[i];
            j++;
        } else {
            noDealURIPaths[k] = noFilterURIs[i];
            k++;
        }
    
    }
    
    System.out.println("1、不需要进行过滤安全保护的静态资源路径数量 = " + pathsSize);
    
    for (int i = 0; i < k; i++) {
        System.out.println("paths = " + noDealURIPaths[i]);
    }
    System.out.println("2、不需要进行过滤安全保护的访问页面资源数量 = " + filesFilterLength);
    
    for (int i = 0; i < j; i++) {
        System.out.println("pages = " + noDealURIPages[i]);
    }
    System.out.println("+++++++++++++++++++++++++++++++++++++++++++++");
    
    // 基于实际请求的情况,判断session中UID和具体的PASS是否存在,进行业务操作。所有的判断安全均在ACTION中完成。过滤器不进行业务方面的操作
    if (currentURI.equalsIgnoreCase("/LoginAction.action")) {
        // 获取JSON结构中的data:UID,PASS值
        sessionUID = request.getParameter("name");
        sessionPASS = request.getParameter("pwd");
    
        session.setAttribute("sessionUID", sessionUID);
        session.setAttribute("sessionPASS", sessionPASS);
    
        // 放行。让其走到下个链或目标资源中
        return "LoginOK";
    }
    // 判断是否是配置不进行过滤的页面
    for (int i = 0; i < noDealURIPages.length; i++) {
    
        if (currentURI.equalsIgnoreCase(noDealURIPages[i]) && (session.getAttribute("sessionUID") != null 
            || session.getAttribute("sessionPASS") != null)) {
            System.out.println("noDealURIPages=" + noDealURIPages[i]);
            // 放行。让其走到下个链或目标资源中
            return "Normal";
        }
    
    }
    
    // 判断是否是配置不进行过滤的路径
    
    for (int i = 0; i < noDealURIPaths.length; i++) {
    
        if (currentURI.substring(0, currentURI.lastIndexOf("/"))
                .equalsIgnoreCase(noDealURIPaths[i])
                || currentURI.equalsIgnoreCase(noDealURIPaths[i]) && (session.getAttribute("sessionUID") != null 
                        || session.getAttribute("sessionPASS") != null)) {
    
            System.out.println("noDealURIPaths=" + noDealURIPaths[i]);
            // 放行。让其走到下个链或目标资源中
            return "Help";
        }
    
    }
    // 如果不是上述情况,则判断是否存在UID和PASS,并进行逻辑操作链
    
    if (session.getAttribute("sessionUID") == null 
            || session.getAttribute("sessionPASS") == null) {
        session.invalidate();
         //res.sendRedirect("http://localhost/login/login.html");
        return "failPage";
    
    }
    
    return invocation.invoke();// "failPage"
    

    }

}

不进拦截器,test.jsp直接返回error

1个回答

CSDNXIAOD
CSDNXIAOD   2015.07.21 16:24

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----------------------biu~biu~biu~~~在下问答机器人小D,这是我依靠自己的聪明才智给出的答案,如果不正确,你来咬我啊!

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