【单点登录】不清楚之前怎么处理跨域，先自己加上跨域

renren-admin/src/main/java/io/renren/modules/monitor/config/GlobalCorsConfig.java

@@ -1,7 +1,9 @@
 package io.renren.modules.monitor.config;
 
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.core.Ordered;
 import org.springframework.web.cors.CorsConfiguration;
 import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
 import org.springframework.web.filter.CorsFilter;
@@ -10,8 +12,8 @@ import org.springframework.web.filter.CorsFilter;
 public class GlobalCorsConfig {
 
     @Bean
-    public CorsFilter corsFilter() {
-        //1. 添加 CORS配置信息
+    public FilterRegistrationBean<CorsFilter> corsFilter() {
+
         CorsConfiguration config = new CorsConfiguration();
         //放行哪些原始域
         config.addAllowedOrigin("*");
@@ -23,10 +25,11 @@ public class GlobalCorsConfig {
         config.addAllowedHeader("*");
         //暴露哪些头部信息
         config.addExposedHeader("*");
-        //2. 添加映射路径
-        UrlBasedCorsConfigurationSource corsConfigurationSource = new UrlBasedCorsConfigurationSource();
-        corsConfigurationSource.registerCorsConfiguration("/**",config);
-        //3. 返回新的CorsFilter
-        return new CorsFilter(corsConfigurationSource);
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        source.registerCorsConfiguration("/**", config);
+        //项目中有多个filter时此处设置改CorsFilter的优先执行顺序
+        FilterRegistrationBean<CorsFilter> bean = new FilterRegistrationBean<>(new CorsFilter(source));
+        bean.setOrder(Ordered.HIGHEST_PRECEDENCE);
+        return bean;
     }
 }