import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
 
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {
 
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
            .csrf().disable() // 禁用 CSRF 保護(hù)
            .authorizeRequests()
                .antMatchers("/public/**").permitAll() // 允許所有用戶訪問(wèn) /public 路徑
                .antMatchers("/admin/**").hasRole("ADMIN") // 僅允許具有 ADMIN 角色的用戶訪問(wèn) /admin 路徑
                .anyRequest().authenticated() // 其他請(qǐng)求需要認(rèn)證
                .and()
            .formLogin()
                .loginPage("/login") // 自定義登錄頁(yè)面
                .permitAll()
                .and()
            .logout()
                .permitAll();
    }
}
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@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
 
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
            .csrf().disable()
            .authorizeRequests()
                .antMatchers("/", "/home").permitAll()
                .antMatchers("/admin/**").hasRole("ADMIN")
                .antMatchers("/user/**").hasAnyRole("USER", "ADMIN")
                .anyRequest().authenticated()
                .and()
            .formLogin()
                .loginPage("/login")
                .permitAll()
                .and()
            .logout()
                .permitAll();
    }
 
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.inMemoryAuthentication()
            .withUser("user").password(passwordEncoder().encode("password")).roles("USER")
            .and()
            .withUser("admin").password(passwordEncoder().encode("admin")).roles("ADMIN");
    }
 
    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }
}
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