# 第一步
~~~
@Configuration
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
@Autowired
private UserDetailsService userDetailsService;
@Override
public void configure(AuthenticationManagerBuilder auth) throws Exception {
auth.userDetailsService(userDetailsService)//自定义设置类
.passwordEncoder(password());
}
@Bean //加密方式
public PasswordEncoder password(){
return new BCryptPasswordEncoder();
}
}
~~~
# 第二步
*****
~~~
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.stereotype.Service;
import java.util.List;
@Service("userDetailsService")
public class MyUserDetailsService implements UserDetailsService {
@Override
public UserDetails loadUserByUsername(String s) throws UsernameNotFoundException {
BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
String password = passwordEncoder.encode("admin");//加密密码
List<GrantedAuthority> auths = AuthorityUtils.commaSeparatedStringToAuthorityList("auths");//权限集合
return new User("admin",password,auths);//用户名，密码，权限
}
}
~~~
