乱码问题

src/main/java/com/example/demo/config/CharacterEncodingFilterConfig.java

@@ -0,0 +1,19 @@
+package com.example.demo.config;
+
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.filter.CharacterEncodingFilter;
+
+@Configuration
+public class CharacterEncodingFilterConfig {
+    @Bean
+    public FilterRegistrationBean filterRegistrationBean() {
+        FilterRegistrationBean registrationBean = new FilterRegistrationBean();
+        CharacterEncodingFilter characterEncodingFilter = new CharacterEncodingFilter();
+        characterEncodingFilter.setForceEncoding(true);
+        characterEncodingFilter.setEncoding("UTF-8");
+        registrationBean.setFilter(characterEncodingFilter);
+        return registrationBean;
+    }
+}

src/main/java/com/example/demo/config/CustomMVCConfiguration.java

@@ -1,33 +0,0 @@
-package com.example.demo.config;
-
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.http.converter.HttpMessageConverter;
-import org.springframework.http.converter.StringHttpMessageConverter;
-import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
-
-import java.nio.charset.StandardCharsets;
-import java.util.List;
-
-@Configuration
-public class CustomMVCConfiguration implements WebMvcConfigurer {
-
-
-    @Bean
-    public HttpMessageConverter<String> responseBodyConverter() {
-        return new StringHttpMessageConverter(StandardCharsets.UTF_8);
-    }
-
-    @Override
-    public void configureMessageConverters(
-            List<HttpMessageConverter<?>> converters) {
-        converters.add(responseBodyConverter());
-    }
-
-    @Override
-    public void configureContentNegotiation(
-            ContentNegotiationConfigurer configurer) {
-        configurer.favorPathExtension(false);
-    }
-}