修改跨域问题

src/main/java/net/diaowen/dwsurvey/config/CorsConfig.java

@@ -1,26 +1,57 @@
 package net.diaowen.dwsurvey.config;
 
+import org.apache.catalina.LifecycleState;
+import org.apache.commons.collections.ListUtils;
+import org.apache.commons.lang.StringUtils;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.core.annotation.Order;
 import org.springframework.web.cors.CorsConfiguration;
 import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
 import org.springframework.web.filter.CorsFilter;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * 跨域配置类
+ */
 @Configuration
-public class CorsConfig{
+public class CorsConfig {
+
+//    private static String AllowOrigin = "*";
+
     private CorsConfiguration buildConfig() {
         CorsConfiguration corsConfiguration = new CorsConfiguration();
-        corsConfiguration.addAllowedOriginPattern("*");
-        corsConfiguration.addAllowedHeader("*");
-        corsConfiguration.addAllowedMethod("*");
-        corsConfiguration.setAllowCredentials(true);
+        corsConfiguration.setAllowCredentials(true);//sessionid 多次访问一致
+        corsConfiguration.setAllowedOriginPatterns(getAllowOrigin());
+//        corsConfiguration.addAllowedOrigin("*");// 允许任何域名使用
+        corsConfiguration.addAllowedHeader("*");// 允许任何头
+        corsConfiguration.addAllowedMethod("*");// 允许任何方法（post、get等）
         return corsConfiguration;
     }
 
     @Bean
-    public CorsFilter corsFilter() {
+    public FilterRegistrationBean corsFilter() {
         UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
-        source.registerCorsConfiguration("/file/**", buildConfig());
-        return new CorsFilter(source);
+//        source.registerCorsConfiguration("/file/**", buildConfig());
+        source.registerCorsConfiguration("/**", buildConfig());
+        CorsFilter corsFilter = new CorsFilter(source);
+        FilterRegistrationBean bean = new FilterRegistrationBean(corsFilter);
+        bean.setOrder(0);
+        return bean;
+    }
+
+    /**
+     * 可以根据需求调整 AllowOrigin ，默认是所有
+     * @return
+     */
+    public static List<String> getAllowOrigin() {
+        List<String> list = new ArrayList<>();
+        list.add("*");//所有域名
+        return list;
     }
 }