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目录

Spingsecurity异常拦截处理

认证异常拦截

权限异常拦截

注册异常拦截器

设置跨域访问

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Spingsecurity异常拦截处理

认证异常拦截

/*自定义认证异常处理器类*/
@Component
public class MyAuthenticationExceptionHandler implements AuthenticationEntryPoint {@Overridepublic void commence(HttpServletRequest request,HttpServletResponse response,AuthenticationException authException) throws IOException, ServletException {response.setContentType("application/json;charset=utf-8");ResponseResult responseResult = newResponseResult(HttpStatus.NETWORK_AUTHENTICATION_REQUIRED.value(), "认证失败！");response.getWriter().append(JSON.toJSONString(responseResult));}
}

 第一次测试，测试登陆失败返回结果

权限异常拦截

/*** 自定义权限拒绝异常处理器*/
@Component
public class MyAccessDenyHandler implements AccessDeniedHandler {@Overridepublic void handle(HttpServletRequest request,HttpServletResponse response,AccessDeniedException accessDeniedException) throws IOException, ServletException {response.setContentType("application/json;charset=utf-8");ResponseResult responseResult = newResponseResult(403, "权限拒绝，没有访问权限！");response.getWriter().append(JSON.toJSONString(responseResult));}
}

 第二次，权限不足返回结果

 

 

注册异常拦截器

@Configuration
//启用security的注解支持
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class MySecurityConfig extends WebSecurityConfigurerAdapter {@Autowiredprivate MyAuthenticationExceptionHandler myAuthenticationExceptionHandler;@Autowiredprivate MyAccessDenyHandler myAccessDenyHandler;@Overrideprotected void configure(HttpSecurity http) throws Exception {//配置自定义异常处理器（认证异常、权限拒绝异常）http.exceptionHandling().authenticationEntryPoint(myAuthenticationExceptionHandler).accessDeniedHandler(myAccessDenyHandler);
​}

相关权限注解

@PreAuthorize("hasAuthority('user:list')")
@PreAuthorize("hasAuthority('system:dept:list')")
@PreAuthorize("hasAnyAuthority('system:dept:list','system:test:list')")
@PreAuthorize("hasRole('CEO')")
@PreAuthorize("hasAnyRole('CEO')")
​
hasAuthority 和数据库表权限是等值比对
hasRole 添加ROLE_ 之后和数据库表中的角色名字比对

设置跨域访问

@Configuration
public class MyCorsFilter implements WebMvcConfigurer {@Overridepublic void addCorsMappings(CorsRegistry registry) {registry.addMapping("/**") //路径.allowedOrigins("*") //域名.allowedMethods("*")  //方法 get/post/put/delete.allowedHeaders("*")  //请求头.allowCredentials(true) ; //cookie 是否允许携带cookie}
}