@Configuration
public class UtfConfig {

    @Bean
    public FilterRegistrationBean filterRegistrationBean() {
        FilterRegistrationBean registrationBean = new FilterRegistrationBean();
        CharacterEncodingFilter characterEncodingFilter = new CharacterEncodingFilter();
        characterEncodingFilter.setForceEncoding(true);
        characterEncodingFilter.setEncoding("utf-8");
        registrationBean.setFilter(characterEncodingFilter);
        return registrationBean;
    }

}

# 根据过滤器配置字符编码 false 是将原来机制失效 过滤器配置的才生效#
spring.http.encoding.enabled=false

spring.http.encoding.charset=utf-8
spring.http.encoding.force=true
spring.http.encoding.enabled=true