struts2.3版本基本搭建使用

使用环境

struts-2.3.31
jdk1.8
eclipse neon (4.6.1)

官网下载地址

Struts官网
下载页面

官网下载截图

目录结构

app
docs
lib
src
ANTLR-LICENSE.txt
CLASSWORLDS-LICENSE.txt
FREEMARKER-LICENSE.txt
LICENSE.txt
NOTICE.txt
OGNL-LICENSE.txt
OVAL-LICENSE.txt
SITEMESH-LICENSE.txt
XPP3-LICENSE.txt
XSTREAM-LICENSE.txt

目录结构截图

官方Demo参考

解压截图

自己的登陆搭建

web.xml 配置过滤器

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    id="WebApp_ID" version="3.0">
    <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>*.action</url-pattern>
    </filter-mapping>

    <welcome-file-list>
        <welcome-file>/index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

注意：
<url-pattern>是过滤的内容
<filter-class>在2.3版本要这么写

struts.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
    "http://struts.apache.org/dtds/struts-2.5.dtd">
 <struts>

    <package name="zzq" extends="struts-default" namespace="/">
        <!-- 登陆，登出 -->
        <action name="Login" class="ben.com.action.LoginAction">
            <result name="success" type="dispatcher">/jsp/system/admin.jsp</result>
            <result name="error" type="dispatcher">/jsp/login/login.jsp</result>
        </action>
    </package>
 </struts>

注意：
必须要配置一个<package name="zzq" extends="struts-default" namespace="/">
<action>标签内的name属性与jsp中传的参数相同

LoginAction.java

package ben.com.action;

import java.net.URLEncoder;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpSession;

import org.apache.catalina.Session;
import org.apache.struts2.ServletActionContext;

import com.ben.pojo.Users;
import com.ben.service.UsersService;
import com.ben.utils.CookieUtils;
import com.opensymphony.xwork2.Action;

public class LoginAction implements Action {

    private Users user;
    private String checkCode;
    private boolean autoLogin;
    private String errorStr;

    UsersService usersService = new UsersService();
    @Override
    public String execute() throws Exception {
        HttpSession session =  ServletActionContext.getRequest().getSession();

        System.out.println(session.getAttribute("user"));

        String piccode = (String) session.getAttribute("piccode");
        if(piccode.equals(checkCode.toUpperCase())){
            user = usersService.findUsers(user);
            if(user != null){
//              添加cookie和session
                CookieUtils.addCookie("userName", URLEncoder.encode(user.getUserName(), "UTF-8"), ServletActionContext.getResponse(), 99999999, "/");
                CookieUtils.addCookie("password", user.getPassword(), ServletActionContext.getResponse(), 999999999, "/");
                session.setAttribute("user", user);
                return "success";
            }else{
                errorStr = "用户名或密码有误";
            }
        }else{
            errorStr = "验证码错误";
        }
        return "error";
    }

    public Users getUser() {
        return user;
    }

    public void setUser(Users user) {
        this.user = user;
    }

    public String getCheckCode() {
        return checkCode;
    }

    public void setCheckCode(String checkCode) {
        this.checkCode = checkCode;
    }

    public boolean isAutoLogin() {
        return autoLogin;
    }

    public void setAutoLogin(boolean autoLogin) {
        this.autoLogin = autoLogin;
    }

    public String getErrorStr() {
        return errorStr;
    }

    public void setErrorStr(String errorStr) {
        this.errorStr = errorStr;
    }

}

注意：
struts会自动封装对象
注意jsp中EL表达式与struts直接封装对象的key进行区分使用

基本配置规范是这样