想問下這是怎么回事，明明跟著視頻一步步敲代碼的

相關配置和代碼

web.xml：<?xml ?version="1.0"?encoding="UTF-8"?>

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee?http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"

version="4.0">

shiroFilter

org.springframework.web.filter.DelegatingFilterProxy

shiroFilter

/*

login.jsp

springmvc

org.springframework.web.servlet.DispatcherServlet

contextConfigLocation

classpath:spring/spring-*.xml

springmvc

/

spring-web.xml：<?xml ?version="1.0"?encoding="UTF-8"?>

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"?xmlns:context="http://www.springframework.org/schema/context"

xmlns:mvc="http://www.springframework.org/schema/mvc"

xsi:schemaLocation="http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context.xsd

http://www.springframework.org/schema/mvc

http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">

/login.jsp?=?anon

/subLogin?=?anon

/*?=?authc

login.jsp：

Created?by?IntelliJ?IDEA.

User:?98184

Date:?2019/9/27

Time:?9:08

To?change?this?template?use?File?|?Settings?|?File?Templates.

--%>

登錄

用戶名：

密碼：

UserController.java：package?com.lgq.shirotest.controller;

import?com.lgq.shirotest.entity.User;

import?org.apache.shiro.SecurityUtils;

import?org.apache.shiro.authc.AuthenticationException;

import?org.apache.shiro.authc.UsernamePasswordToken;

import?org.apache.shiro.subject.Subject;

import?org.springframework.stereotype.Controller;

import?org.springframework.web.bind.annotation.RequestMapping;

import?org.springframework.web.bind.annotation.RequestMethod;

import?org.springframework.web.bind.annotation.ResponseBody;

@Controller

public?class?UserController?{

@RequestMapping(value?=?"/subLogin",?method?=?RequestMethod.POST,produces?=?"application/json;charset=utf-8")

@ResponseBody

public?String?subLogin(User?user)?{

Subject?subject=?SecurityUtils.getSubject();

UsernamePasswordToken?token=new?UsernamePasswordToken(user.getUsername(),user.getPassword());

try?{

subject.login(token);

}?catch?(AuthenticationException?e)?{

return?e.getMessage();//返回異常信息

}

return?"登錄成功";

}

}

總結

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