标签：ons har oid 在线 blog ast end ack 数据
@Configuration
@EnableWebMvc
@ComponentScan
public class MvcConfiguration extends WebMvcConfigurerAdapter {
@Bean
public HttpMessageConverter<String> responseBodyConverter(){
StringHttpMessageConverter converter = new StringHttpMessageConverter(Charset.forName("UTF-8"));
return converter;
}
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> 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;
}注意:responseBodyConverter和MappingJackson2HttpMessageConverter如果分开配置要确保前者不被覆盖，不然就会出现返回springboot返回json正常，但是返回中文乱码，或者返回中文不乱吗，但是返回对象或者json异常。
/**
* spring boot 解决后台返回 json 到前台出现中文乱码的问题
* 在线助手博客 http://www.it399.com/blog/index.jsp
*/
@Configuration
@EnableWebMvc
@ComponentScan
public class MvcConfiguration extends WebMvcConfigurerAdapter {
@Bean
public HttpMessageConverter<String> responseBodyConverter(){
StringHttpMessageConverter converter = new StringHttpMessageConverter(Charset.forName("UTF-8"));
return converter;
}
@Bean
public ObjectMapper getObjectMapper() {
return new ObjectMapper();
}
@Bean
public MappingJackson2HttpMessageConverter messageConverter() {
MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
converter.setObjectMapper(getObjectMapper());
return converter;
}
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> 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());
}
}spring boot 解决后台返回 json 到前台中文乱码之后出现返回json数据报错 500：no convertter for return value of type
标签：ons har oid 在线 blog ast end ack 数据
原文地址：https://www.cnblogs.com/xiaoxiaopinger/p/9188612.html
