文件服务本地资源允许跨域访问

ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/config/ResourcesConfig.java

@@ -3,6 +3,7 @@ package com.ruoyi.file.config;
 import java.io.File;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
@@ -33,4 +34,17 @@ public class ResourcesConfig implements WebMvcConfigurer
         registry.addResourceHandler(localFilePrefix + "/**")
                 .addResourceLocations("file:" + localFilePath + File.separator);
     }
+    
+    /**
+     * 开启跨域
+     */
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        // 设置允许跨域的路由
+        registry.addMapping(localFilePrefix  + "/**")
+                // 设置允许跨域请求的域名
+                .allowedOrigins("*")
+                // 设置允许的方法
+                .allowedMethods("GET");
+    }
 }