增加跨域配置

src/main/java/com/mushiny/heli/xnr/config/CorsConfig.java

+package com.mushiny.heli.xnr.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class CorsConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**")
+                .allowedOrigins("*")
+                .allowedMethods("POST", "GET", "PUT", "OPTIONS", "DELETE")
+                .maxAge(168000)
+                .allowedHeaders("*")
+                .allowCredentials(true);
+    }
+}