项目结构:
pom.xml
<dependency>
<groupId>org.projectlombokgroupId>
<artifactId>lombokartifactId>
dependency>
<dependency>
<groupId>mysqlgroupId>
<artifactId>mysql-connector-javaartifactId>
<scope>runtimescope>
<version>5.1.39version>
dependency>
<dependency>
<groupId>log4jgroupId>
<artifactId>log4jartifactId>
<version>1.2.17version>
dependency>
<dependency>
<groupId>com.alibabagroupId>
<artifactId>druidartifactId>
<version>1.1.21version>
dependency>
<dependency>
<groupId>org.mybatis.spring.bootgroupId>
<artifactId>mybatis-spring-boot-starterartifactId>
<version>2.1.1version>
dependency>
<dependency>
<groupId>org.apache.shirogroupId>
<artifactId>shiro-springartifactId>
<version>1.4.1version>
dependency>
<dependency>
<groupId>org.thymeleafgroupId>
<artifactId>thymeleaf-spring5artifactId>
dependency>
<dependency>
<groupId>org.thymeleaf.extrasgroupId>
<artifactId>thymeleaf-extras-java8timeartifactId>
dependency>
application.properties
# 应用名称
spring.application.name=demo-shiro
# 应用服务 WEB 访问端口
server.port=8080
#整合mybatis
mybatis.type-aliases-package=com.example.demoshiro.pojo
mybatis.mapper-locations=classpath:mapper/*.xml
application.yaml
spring:
datasource:
username: root
password: xxxxx
url: jdbc:mysql://localhost:3306/test?serverTimezone=UTC&useUnicode=true&characterEncoding=UTF-8
driver-class-name: com.mysql.jdbc.Driver
type: com.alibaba.druid.pool.DruidDataSource
#springBoot默认是不注入这些属性值的,需要自己绑定
#druid数据源专有配置
initialSize: 5
minIdle: 5
maxActive: 20
maxWait: 60000
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: SELECT 1 FROM DUAL
testWhileIdle: true
testOnBorrow: false
testOnReturn: false
poolPreparedStatements: true
#配置监控统计拦截的filters,stat:监控统计,log4j:日志记录,wall:防止sql注入
#如果允许报错时 java.lang.ClassNotFoundException:org.apache.log4j.Priority
#则导入log4j依赖即可,Maven地址:https://mvnrepository.com/artifact/log4j/log4j
filters: stat,wall,log4j
maxPoolPreparedStatementPerConnectionSize: 20
useGlobalDataSourceStat: true
connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500
UserMapper.xml
<mapper namespace="com.example.demoshiro.mapper.UserMapper">
<select id="queryUserByName" parameterType="String" resultType="User">
select * from test.user where name = #{name }
select>
mapper>
add.html
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Titletitle>
head>
<body>
<h1>addh1>
body>
html>
update.html
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Titletitle>
head>
<body>
<h1>updateh1>
body>
html>
index.html
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Titletitle>
head>
<body>
<h1>首页h1>
<div th:text="${msg}">div>
<hr>
<a th:href="@{/user/add}">adda> | <a th:href="@{/user/update}">updatea>
body>
html>
login.html
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Titletitle>
head>
<body>
<h1>登录h1>
<hr>
<p th:text="${msg}" style="color: red;">p>
<form th:action="@{/login}">
<p>用户名:<input type="text" name="username"> p>
<p>密码:<input type="text" name="password"> p>
<p><input type="submit">p>
form>
body>
html>
ShiroConfig.java
@Configuration
public class ShiroConfig {
// ShiroFilterFactoryBean:3
@Bean
public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager){
ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
// 设置安全管理器
bean.setSecurityManager(defaultWebSecurityManager);
// 添加shiro的内置过滤器
/**
* anon:无需认证就可以访问
* authc:必须认证了才能访问
* user:必须拥有 记住我 功能才能用
* perms: 拥有对某个资源的权限才能访问
* role :拥有某个角色权限才能访问
*/
// 拦截
Map<String, String> filterMap = new LinkedHashMap<>();
// 授权,正常的情况下,没有授权会跳转到未授权页面
filterMap.put("/user/add","perms[user:add]");
filterMap.put("/user/update","perms[user:update]");
// user页面下的页面要认证了才能访问
filterMap.put("/user/*","authc");
bean.setFilterChainDefinitionMap(filterMap);
// 设置登录的请求
bean.setLoginUrl("/toLogin");
// 设置未授权页面
bean.setUnauthorizedUrl("/noauth");
return bean;
}
// DefaultWebSecurityManager:2
@Bean(name="securityManager")
public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
// 关联UserRealm
securityManager.setRealm(userRealm);
return securityManager;
}
// 创建realm对象,需要自定义类:1
@Bean
public UserRealm userRealm(){
return new UserRealm();
}
}
UserRealm.java
//自定义的UserRealm extends AuthorizingRealm
public class UserRealm extends AuthorizingRealm {
@Autowired
UserService userService;
// 授权
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
System.out.println("执行了->授权doGetAuthorizationInfo");
SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
// info.addStringPermission("user:add");
// 拿到当前登录的这个对象
Subject subject = SecurityUtils.getSubject();
User currentUser = (User)subject.getPrincipal();//拿到User对象
// 设置当前用户的权限
info.addStringPermission(currentUser.getPerms());
return info;
}
// 认证
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
System.out.println("执行了->认证doGetAuthorizationInfo");
// 用户名,密码,数据中取
// String name = "root";
// String password = "123456";
UsernamePasswordToken userToken = (UsernamePasswordToken) authenticationToken;
//连接真实数据库
User user = userService.queryUserByName(userToken.getUsername());
if(user == null){
//没有这个人
return null; //UnknownAccountException
}
//可以加密, MD5加密,MD5盐值加密
//密码认证,shiro做
return new SimpleAuthenticationInfo(user,user.getPwd(),"");
}
}
MyController.java
@Controller
public class MyController {
@RequestMapping({
"/","/index"})
public String toIndex(Model model){
model.addAttribute("msg","hello,shiro");
return "index";
}
@RequestMapping("/user/add")
public String add(){
return "user/add";
}
@RequestMapping("/user/update")
public String update(){
return "user/update";
}
@RequestMapping("/toLogin")
public String toLogin(){
return "login";
}
@RequestMapping("/login")
public String login(String username,String password,Model model){
// 获取当前的用户
Subject subject = SecurityUtils.getSubject();
// 封装用户的登录数据
UsernamePasswordToken token = new UsernamePasswordToken(username, password);
try{
// 执行登录方法,如果没有异常就说明ok了
subject.login(token);
return "index";
}catch (UnknownAccountException e){
//用户名不存在
model.addAttribute("msg","用户名错误");
return "login";
}catch (IncorrectCredentialsException e){
//密码不存在
model.addAttribute("msg","密码错误");
return "login";
}
}
@RequestMapping("/noauth")
@ResponseBody
public String unauthorized(){
return "未经授权无法访问此页面";
}
}
UserMapper.java
@Repository
@Mapper
public interface UserMapper {
public User queryUserByName(String name);
}
User.java
@Data
@AllArgsConstructor
@NoArgsConstructor
public class User {
private int id;
private String name;
private String pwd;
private String perms;
}
UserSservice.java
public interface UserService {
public User queryUserByName(String name);
}
UserServiceImpl.java
@Service
public class UserServiceImpl implements UserService{
@Autowired
UserMapper userMapper;
@Override
public User queryUserByName(String name) {
return userMapper.queryUserByName(name);
}
}