org.springframework.security.core.userdetails.UsernameNotFoundException: admin

最新推荐文章于 2025-07-03 20:19:31 发布

原创最新推荐文章于 2025-07-03 20:19:31 发布 · 3.5k 阅读

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#java

本文介绍如何在Spring Security中处理用户认证失败的情况，并提供了一个具体的实现案例，展示了如何通过重写UserDetailsService接口来解决UsernameNotFoundException异常。

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找不到用户

org.springframework.security.core.userdetails.UsernameNotFoundException: admin

你需要重写这个接口

public interface UserDetailsService {
    UserDetails loadUserByUsername(String var1) throws UsernameNotFoundException;
}

-===============================================================

重写如下

@Override
public UserDetails loadUserByUsername(String phone) throws UsernameNotFoundException{
    User user = userService.findByPhone(phone);

    if(user == null) {
        throw new UsernameNotFoundException("Invalid User");
    }
    else {
        Set<GrantedAuthority> grantedAuthorities = user.getRoles()
                .stream()
                .map(role -> new SimpleGrantedAuthority(role.getName()))
                .collect(Collectors.toSet());

        return new org
                .springframework
                .security
                .core
                .userdetails
                .User(user.getPhone(), user.getPassword(), grantedAuthorities);
    }
}