Spring Boot security 会默认登陆之前拦截全部css， js，img等动态资源，导致我们的公开主页在登陆之前很丑陋
像这样：
网上很多解决办法都过时了比如还在使用WebSecurityConfigurerAdapte，antMatchers
public class SecurityConfigurer extends WebSecurityConfigurerAdapter {
@Override
public void configure(WebSecurity web) throws Exception {
web
.ignoring()
.antMatchers("/resources/**");
}
}WebSecurityConfigurerAdapter和antMatchers已经被Spring Security 6.0弃用，现最新的是使用securityFilterChain class 如下图：
public class WebSecurityConfig {
@Bean
public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
http
.authorizeHttpRequests((requests) -> requests
.requestMatchers("/", "/home").permitAll()
.anyRequest().authenticated()
)
.formLogin((form) -> form
.loginPage("/login")
.permitAll()
)
.logout((logout) -> logout.permitAll());
return http.build();
}
}这里只需要添加.requestMatchers("/resources/**").permitAll()就可以允许访问resources文件下资源
注意.antMatchers 已经弃用，用.requestMatchers代替
public class WebSecurityConfig {
@Bean
public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
http
.authorizeHttpRequests((requests) -> requests
.requestMatchers("/", "/home").permitAll()
//放行静态资源
.requestMatchers("/resources/**").permitAll()
.anyRequest().authenticated()
)
.formLogin((form) -> form
.loginPage("/login")
.permitAll()
)
.logout((logout) -> logout.permitAll());
return http.build();
}
}但是我看网上没有人解释需要注意这里“/resources/**"并不一定万能，具体链接得根据你插入css/js的路径来比如这里使用assets/**
那么你securityFilterChain class里就得是.requestMatchers("/assets/**").permitAll()
之后再运行，成功！
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