08、SpringBoot集成SpringSecurity实战：无权限响应Json-程序员江小北

前言

在配置权限章节中，我们看到当用户没有权限时，浏览器中显示下面代码，这显然对用户来说不友好，因为根本看不懂这些。接下来，我们通过json的形式，响应一个友好的提示。

Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.

Sun May 16 18:38:30 CST 2021
There was an unexpected error (type=Forbidden, status=403).

实现

创建NoPermissionHandler类，实现AccessDeniedHandler接口

@Component
public class NoPermissionHandler implements AccessDeniedHandler {
   
   
     
    @Override
    public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException e) throws IOException, ServletException {
   
   
     
        Result error = Result.error(ResultCode