Spring Security数据库认证流程是如何解析的？

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创建数据库表结构，关闭外键检查：

创建数据库表结构SET FOREIGN_KEY_CHECKS=0;-- ------------------------------ Table structure for role ------------------------------DROP TABLE IF EXISTS `role`;CREATE TABLE `role` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(32) DEFAULT NULL);

创建数据库

SET FOREIGN_KEY_CHECKS=0; -- ---------------------------- -- Table structure for role -- ---------------------------- DROP TABLE IF EXISTS `role`; CREATE TABLE `role` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(32) DEFAULT NULL, `nameZh` varchar(32) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8; -- ---------------------------- -- Records of role -- ---------------------------- INSERT INTO `role` VALUES ('1', 'dba', '数据库管理员'); INSERT INTO `role` VALUES ('2', 'admin', '系统管理员'); INSERT INTO `role` VALUES ('3', 'user', '用户'); -- ---------------------------- -- Table structure for user -- ---------------------------- DROP TABLE IF EXISTS `user`; CREATE TABLE `user` ( `id` int(11) NOT NULL AUTO_INCREMENT, `username` varchar(32) DEFAULT NULL, `password` varchar(255) DEFAULT NULL, `enabled` tinyint(1) DEFAULT NULL, `locked` tinyint(1) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8; -- ---------------------------- -- Records of user -- ---------------------------- INSERT INTO `user` VALUES ('1', 'root', '$2a$10$RMuFXGQ5AtH4wOvkUqyvuecpqUSeoxZYqilXzbz50dceRsga.WYiq', '1', '0'); INSERT INTO `user` VALUES ('2', 'admin', '$2a$10$RMuFXGQ5AtH4wOvkUqyvuecpqUSeoxZYqilXzbz50dceRsga.WYiq', '1', '0'); INSERT INTO `user` VALUES ('3', 'sang', '$2a$10$RMuFXGQ5AtH4wOvkUqyvuecpqUSeoxZYqilXzbz50dceRsga.WYiq', '1', '0'); -- ---------------------------- -- Table structure for user_role -- ---------------------------- DROP TABLE IF EXISTS `user_role`; CREATE TABLE `user_role` ( `id` int(11) NOT NULL AUTO_INCREMENT, `uid` int(11) DEFAULT NULL, `rid` int(11) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8; -- ---------------------------- -- Records of user_role -- ---------------------------- INSERT INTO `user_role` VALUES ('1', '1', '1'); INSERT INTO `user_role` VALUES ('2', '1', '2'); INSERT INTO `user_role` VALUES ('3', '2', '2'); INSERT INTO `user_role` VALUES ('4', '3', '3'); SET FOREIGN_KEY_CHECKS=1;

导入依赖

<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>2.1.3</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> <version>5.1.46</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid-spring-boot-starter</artifactId> <version>1.1.22</version> </dependency>

spring.datasource.url=jdbc:mysql://127.0.0.1:3306/javaboy?useUnicode=true&characterEncoding=utf8
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource

让bean实现UserDetails接口

public class User implements UserDetails { private Integer id; private String username; private String password; private Boolean enabled; private Boolean locked; private List<Role> roles; public List<Role> getRoles() { return roles; } public void setRoles(List<Role> roles) { this.roles = roles; } public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public void setUsername(String username) { this.username = username; } public void setPassword(String password) { this.password = password; } public void setEnabled(Boolean enabled) { this.enabled = enabled; } public void setLocked(Boolean locked) { this.locked = locked; } @Override public Collection<? extends GrantedAuthority> getAuthorities() { List<SimpleGrantedAuthority> authorities = new ArrayList<>(); for (Role role : roles) { authorities.add(new SimpleGrantedAuthority("ROLE_" + role.getName())); } return authorities; } @Override public String getPassword() { return password; } public String getUsername() { return username; } //账户是否未过期 @Override public boolean isAccountNonExpired() { return true; } //账户是否未锁定 @Override public boolean isAccountNonLocked() { return !locked; } @Override public boolean isCredentialsNonExpired() { return true; } @Override public boolean isEnabled() { return enabled; } }

public class Role { private Integer id; private String name; private String nameZh; ... }

userMapper

在类上直接加@Mapper或者在SpringBoot启动类上配置全局的扫描@MapperScan(basePackages="")

@Mapper public interface UserMapper { User loadUserByUsername(String username); List<Role> getUserRolesById(Integer id); }

<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="com.qwl.mysecuritydb.mapper.UserMapper"> <select id="loadUserByUsername" resultType="com.qwl.mysecuritydb.bean.User"> select * from user where username = #{username} </select> <select id="getUserRolesById" resultType="com.qwl.mysecuritydb.bean.Role"> select * from role where id in(select rid from user_role where uid=#{id}) </select> </mapper>

userService 同样也要继承UserServiceDetails接口

@Service public class UserService implements UserDetailsService { @Autowired UserMapper userMapper; @Override public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException { User user =userMapper.loadUserByUsername(username); if(user==null){ throw new UsernameNotFoundException("用户不存在"); } user.setRoles(userMapper.getUserRolesById(user.getId())); return user; } }

HelloController

@RestController public class HelloController { @GetMapping("/hello") public String hello(){ return "hello security"; } @GetMapping("/dba/hello") public String dba(){ return "hello dba"; } @GetMapping("/admin/hello") public String admin(){ return "hello admin"; } @GetMapping("/user/hello") public String user(){ return "hello user"; } }

SecurityConfig

• SercurityConfig需要继承WebSecurityConfigurerAdapter类，并在类上加@Configuration
• SpringSecurity5.0之后密码必须加密
• 把数据库查出的用户信息交给SpringSecurity处理
• 配置httpSercurity

@Configuration public class SecurityConfig extends WebSecurityConfigurerAdapter { @Autowired UserService userService; //把数据库查出的用户信息交给SpringSecurity处理 @Override protected void configure(AuthenticationManagerBuilder auth) throws Exception { auth.userDetailsService(userService); } @Bean PasswordEncoder passwordEncoder(){ return new BCryptPasswordEncoder(); } @Override protected void configure(HttpSecurity http) throws Exception { http.authorizeRequests() .antMatchers("/dba/**").hasRole("dba") .antMatchers("/admin/**").hasRole("admin") .antMatchers("/user/**").hasRole("user") .anyRequest().authenticated() .and() .formLogin() .permitAll() .and() .csrf().disable(); } }

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持易盾网络。