转交换器null 转换为 "" 去除

call-back-service/src/main/java/cn/freemud/config/WebMvcConfig.java

@@ -59,9 +59,9 @@ public class WebMvcConfig implements WebMvcConfigurer {
                 //List字段如果为null,输出为[],而非null
                 //SerializerFeature.WriteNullListAsEmpty,
                 //字符类型字段如果为null,输出为"",而非nullF
-                SerializerFeature.WriteNullStringAsEmpty,
+//                SerializerFeature.WriteNullStringAsEmpty,
                 //Boolean字段如果为null,输出为false,而非null
-                SerializerFeature.WriteNullBooleanAsFalse,
+//                SerializerFeature.WriteNullBooleanAsFalse,
                 //SerializerFeature.WriteNullBooleanAsFalse,
                 //消除对同一对象循环引用的问题，默认为false（如果不配置有可能会进入死循环）
                 SerializerFeature.DisableCircularReferenceDetect,

order-application-service/src/main/java/cn/freemud/config/WebMvcConfig.java

@@ -58,9 +58,9 @@ public class WebMvcConfig implements WebMvcConfigurer {
                 //List字段如果为null,输出为[],而非null
                 //SerializerFeature.WriteNullListAsEmpty,
                 //字符类型字段如果为null,输出为"",而非null
-                SerializerFeature.WriteNullStringAsEmpty,
+//                SerializerFeature.WriteNullStringAsEmpty,
                 //Boolean字段如果为null,输出为false,而非null
-                SerializerFeature.WriteNullBooleanAsFalse,
+//                SerializerFeature.WriteNullBooleanAsFalse,
                 //SerializerFeature.WriteNullBooleanAsFalse,
                 //消除对同一对象循环引用的问题，默认为false（如果不配置有可能会进入死循环）
                 SerializerFeature.DisableCircularReferenceDetect,

shopping-cart-application-service/src/main/java/cn/freemud/config/WebMvcConfig.java

@@ -59,9 +59,9 @@ public class WebMvcConfig implements WebMvcConfigurer {
                 //List字段如果为null,输出为[],而非null
                 //SerializerFeature.WriteNullListAsEmpty,
                 //字符类型字段如果为null,输出为"",而非null
-                SerializerFeature.WriteNullStringAsEmpty,
+//                SerializerFeature.WriteNullStringAsEmpty,
                 //Boolean字段如果为null,输出为false,而非null
-                SerializerFeature.WriteNullBooleanAsFalse,
+//                SerializerFeature.WriteNullBooleanAsFalse,
                 //SerializerFeature.WriteNullBooleanAsFalse,
                 //消除对同一对象循环引用的问题，默认为false（如果不配置有可能会进入死循环）
                 SerializerFeature.DisableCircularReferenceDetect,