这篇文章主要介绍了如何解决SpringSecurity自定义AuthenticationProvider无法@Autowire的问题，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。
自定义AuthenticationProvider无法@Autowire的解决
在AuthenticationProvider中使用@自动连线注入时始终报空问题
找了半天发现应该在SecurityConfig配置类中
@EnableWebSecurity
公共类security config extendwebsecurity configurator {
在设置AuthenticationProvider时
应该使用@豆的方式设置
@豆
customauthenticationprovidercoutauthenticationprovider(){ 0
returnnew customauthenticationprovider()；
}
@覆盖
受保护的void configure(authenticationmanagerbuildruth)throwsException {
auth。authenticationprovider(customAuthenticationProvider())；
}
之前的错误的设置方式是
@覆盖
受保护的void configure(authenticationmanagerbuildruth)throwsException {
auth。authenticationprovider(new customauthenticationprovider())；
}好了，这就可以实现AuthenticationProvider时自由的使用@自动连线了
自定义AuthenticationProvider的简单例子
xml 配置
认证管理器
身份验证-provider ref=’ MyAuthenticationProvider ‘/
/身份验证-管理器
bean : bean id=’ userdailsservice ‘ class=’ net。螳螂。保安。auth。nmuserdailsservice “/
bean s : bean id=’ MyAuthenticationProvider ‘ class=’ net。螳螂。保安。auth。’ MyAuthenticationProvider ‘
beans 3360属性名=’ UserDetailservice ‘
beans:beanclass=’ net。螳螂。保安。auth。nmuserdailsservice ‘ n
bsp;
</beans:bean>
</beans:property>
</beans:bean>
net.mantis.security.auth.MyAuthenticationProvider
public class MyAuthenticationProvider implements AuthenticationProvider {
UserDetailsService userDetailsService;
public Authentication authenticate(Authentication authentication)
throws AuthenticationException {
//username
System.out.println("user name: "+authentication.getName());
//password
System.out.println("password: "+authentication.getCredentials());
System.out.println("getPrincipal: "+authentication.getPrincipal());
System.out.println("getAuthorities: "+authentication.getAuthorities());
System.out.println("getDetails: "+authentication.getDetails());
UserDetails userDetails = (UserDetails)this.userDetailsService.loadUserByUsername(authentication.getName());
UsernamePasswordAuthenticationToken result = new UsernamePasswordAuthenticationToken(
userDetails, authentication.getCredentials(),userDetails.getAuthorities());
return result;
}
public boolean supports(Class authentication) {
return true;
}
public void setUserDetailsService(UserDetailsService userDetailsService){
this.userDetailsService = userDetailsService;
}
}
net.mantis.security.auth.NMUserDetailsService
public class NMUserDetailsService implements UserDetailsService {
@Override
public UserDetails loadUserByUsername(String userName)
throws UsernameNotFoundException {
ArrayList list = new ArrayList();
list.add(new SimpleGrantedAuthority("ROLE_SUPERVISOR"));
User details = new User("rod", "koala", list);
return details;
}
}
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