refactor multilingual

src/main/java/com/imyeyu/spring/util/MultilingualResponseBodyAdvice.java

@@ -0,0 +1,48 @@
+package com.imyeyu.spring.util;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.core.MethodParameter;
+import org.springframework.http.MediaType;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.server.ServerHttpRequest;
+import org.springframework.http.server.ServerHttpResponse;
+import org.springframework.lang.NonNull;
+import org.springframework.stereotype.Component;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;
+
+/**
+ * 统一处理响应中的多语言字段回填
+ *
+ * @author 夜雨
+ * @since 2026-07-17 00:00
+ */
+@Component
+@RestControllerAdvice
+@RequiredArgsConstructor
+public class MultilingualResponseBodyAdvice implements ResponseBodyAdvice<Object> {
+
+	private final ObjectProvider<MultilingualFieldBinder> multilingualFieldBinder;
+
+	@Override
+	public boolean supports(@NonNull MethodParameter returnType, @NonNull Class<? extends HttpMessageConverter<?>> converterType) {
+		return true;
+	}
+
+	@Override
+	public Object beforeBodyWrite(
+			Object body,
+			@NonNull MethodParameter returnType,
+			@NonNull MediaType selectedContentType,
+			@NonNull Class<? extends HttpMessageConverter<?>> selectedConverterType,
+			@NonNull ServerHttpRequest request,
+			@NonNull ServerHttpResponse response
+	) {
+		MultilingualFieldBinder binder = multilingualFieldBinder.getIfAvailable();
+		if (binder != null) {
+			binder.bind(body);
+		}
+		return body;
+	}
+}