springboot解决返回前台json数据中文变？问题

import com.fasterxml.jackson.databind.ObjectMapper;
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.http.converter.json.MappingJackson2HttpMessageConverter;
//import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.nio.charset.Charset;
import java.util.List;


@Configuration
public class InterceptorConfig extends WebMvcConfigurationSupport {

//    public void addInterceptors(InterceptorRegistry registry) {
////        addPathPatterns添加需要拦截的命名空间；
////        excludePathPatterns添加排除拦截命名空间
//        registry.addInterceptor(new PassportInterceptor()).addPathPatterns("/**").excludePathPatterns("/register");
//    }

    @Bean
    public HttpMessageConverter responseBodyConverter(){
        StringHttpMessageConverter converter = new StringHttpMessageConverter(Charset.forName("UTF-8"));
        return converter;
    }
    @Override
    public void configureMessageConverters(List> converters) {
        super.configureMessageConverters(converters);
        //解决中文乱码
        converters.add(responseBodyConverter());
        //解决 添加解决中文乱码后 上述配置之后，返回json数据直接报错 500：no convertter for return value of type
        converters.add(messageConverter());
    }
    @Bean
    public MappingJackson2HttpMessageConverter messageConverter() {
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        converter.setObjectMapper(getObjectMapper());
        return converter;
    }
    @Bean
    public ObjectMapper getObjectMapper() {
        return new ObjectMapper();
    }

}