严重：例外，将上下文初始事件发送给听众实例

Question

我尝试在运行时使用JDBC进行弹簧安全登录 我的SecurityConfig中的例外

严重：例外将上下文初始事件发送给听众 类的实例 org.springframework.beans.factory.beancreationexception：错误创建使用名称'securityConfig'的BEAN：自动注入 依赖性失败；嵌套异常是 org.springframework.beans.factory.beancreationexception：不能 Autowire Field：私人 org.springframework.security.core.userdetails.userdetailsservice com.changepond.config.securityconfig.userdetailsservice;嵌套 例外是 org.springframework.beans.factory.nosuchbeandefinitionException：否 合格的豆类 [org.springframework.security.core.userdetails.userdetailsservice] 发现依赖性：预期至少有1个豆类有资格 此依赖性的自动候选人。依赖性注释： {@org.springframework.beans.factory.annotation.autowired（必需= true）} 在 org.springframework.beans.factory.annotation.autowiredannotationbeanbeanpostprocessor.postprocesspropertyvalues（autowiredannotationbeantationbeanpostprocessor.java：292） 在 org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.populatebean（Abstractautowirecapablebeanfactory.java:1185） 在 org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.docreatebean（Abstractautowirecapablebeanfactory.java：537） 在 org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.createbean（Abstractautowirecapablebeanfactory.java：475） Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.springframework.security.core.userdetails.UserDetailsS​​ervice com.changepond.config.SecurityConfig.userDetailsS​​ervice;嵌套的例外是org.springframework.beans.factory.nosuchbeandefinitionException：没有合格的豆类[org.springframework.security.core.core.core.core.userdetails.userdetailsservice]，以依赖于依赖的bean，至少可以自动鉴定自动化的1 bean。依赖项注释：{@org.springframework.beans.factory.annotation.autowired（quilt = true）} at org.springframework.beans.factory.annotation.autowiredannotationbeanpostprocessor $ autowiredfieldelement.ignd（autowiredannotationbeantationbeantationbeantationbeantationbeanpostprocessor.java：508） 由：org.springframework.beans.factory.nosuchbeandefinitionException：无资格的类型[org.springframework.security.core.core.core.core.userdetails.userdetailsserservice]，至少可以依靠1 bean，这是自动化对于这种依赖性。依赖项注释：{@org.springframework.beans.factory.annotation.autowired（quilt = true）} atorg.springframework.beans.factory.support.defaultlistablebeanfactory.raisenosuchbeandefinitionException（DefaultListableBeanFactory.java:1100）

SecurityConfig类

@Configuration
    @EnableWebSecurity
    @ComponentScan({ "com.xxxxx" })
    public class SecurityConfig extends WebSecurityConfigurerAdapter {
            
        private final UserDetailsService userDetailsService;
        
        @Autowired
        public SecurityConfig(UserDetailsService userDetailsService) {
            this.userDetailsService = userDetailsService;
        }
    
        @Bean
        public BCryptPasswordEncoder bCryptPasswordEncoder()
        {
            return new BCryptPasswordEncoder();
            }
    
        @Override
        protected void configure(HttpSecurity http) throws Exception {
            http.csrf().disable();
            http.authorizeRequests()
             .antMatchers("/loginPage")
             .permitAll()
                .and()
                    .formLogin().loginPage("/loginPage")
                    .defaultSuccessUrl("/homepage")
                    .failureUrl("/loginPage?error")
                    .usernameParameter("username").passwordParameter("password")                
                .and()
                    .logout().logoutSuccessUrl("/loginPage?logout"); 
                
        }
        
        
        @Autowired
        protected void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
              auth.userDetailsService(userDetailsService)
                  .passwordEncoder(new BCryptPasswordEncoder());
            }
        
    }

LoginService类

@Transactional
@Service
public class LoginService {
    
    private final LoginRepo loginRepo;
        
    @Autowired
    public LoginService(LoginRepo loginRepo) {
        this.loginRepo = loginRepo;
    }

    public Login findByUsername(String username) {
        return loginRepo.findByUsername(username);
    }
}

logIndetailsserviceimpl类

@Transactional  
public class LoginDetailsServiceImpl implements UserDetailsService{

    private final LoginRepo loginRepo;
    
    @Autowired
    public LoginDetailsServiceImpl(LoginRepo loginRepo) {
        this.loginRepo = loginRepo;
    }

    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        Login login = loginRepo.findByUsername(username);
    return new org.springframework.security.core.userdetails.User(login.getUsername(), login.getPassword(), null);
}
}