支持CORS跨域请求

 package com.ruoyi.framework.config;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+import org.springframework.web.filter.CorsFilter;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@@ -39,4 +43,24 @@ public class ResourcesConfig implements WebMvcConfigurer
     {
         registry.addInterceptor(repeatSubmitInterceptor).addPathPatterns("/**");
     }
+
+    /**
+     * 跨域配置
+     */
+    @Bean
+    public CorsFilter corsFilter()
+    {
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        CorsConfiguration config = new CorsConfiguration();
+        config.setAllowCredentials(true);
+        // 设置访问源地址
+        config.addAllowedOrigin("*");
+        // 设置访问源请求头
+        config.addAllowedHeader("*");
+        // 设置访问源请求方法
+        config.addAllowedMethod("*");
+        // 对接口配置跨域设置
+        source.registerCorsConfiguration("/**", config);
+        return new CorsFilter(source);
+    }
 }
\ No newline at end of file

@@ -12,6 +12,8 @@ import org.springframework.security.config.http.SessionCreationPolicy;
 import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
+import org.springframework.security.web.authentication.logout.LogoutFilter;
+import org.springframework.web.filter.CorsFilter;
 import com.ruoyi.framework.security.filter.JwtAuthenticationTokenFilter;
 import com.ruoyi.framework.security.handle.AuthenticationEntryPointImpl;
 import com.ruoyi.framework.security.handle.LogoutSuccessHandlerImpl;
@@ -49,6 +51,12 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter
     private JwtAuthenticationTokenFilter authenticationTokenFilter;
 
     /**
+     * 跨域过滤器
+     */
+    @Autowired
+    private CorsFilter corsFilter;
+    
+    /**
      * 解决 无法直接注入 AuthenticationManager
      *
      * @return
@@ -112,6 +120,9 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter
         httpSecurity.logout().logoutUrl("/logout").logoutSuccessHandler(logoutSuccessHandler);
         // 添加JWT filter
         httpSecurity.addFilterBefore(authenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
+        // 添加CORS filter
+        httpSecurity.addFilterBefore(corsFilter, JwtAuthenticationTokenFilter.class);
+        httpSecurity.addFilterBefore(corsFilter, LogoutFilter.class);
     }
 
     

@@ -178,6 +178,8 @@ public class GenController extends BaseController
     private void genCode(HttpServletResponse response, byte[] data) throws IOException
     {
         response.reset();
+        response.addHeader("Access-Control-Allow-Origin", "*");
+        response.addHeader("Access-Control-Expose-Headers", "Content-Disposition");
         response.setHeader("Content-Disposition", "attachment; filename=\"ruoyi.zip\"");
         response.addHeader("Content-Length", "" + data.length);
         response.setContentType("application/octet-stream; charset=UTF-8");