SpringMVC将日期字符串格式的值解析为日期格式

最新推荐文章于 2022-12-21 20:42:21 发布

july_young

最新推荐文章于 2022-12-21 20:42:21 发布

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本文介绍如何在Spring MVC中配置JSON消息转换器，包括设置日期格式和中文编码格式，确保前后端交互时的数据正确处理。

增加一个配置文件：
package com.july.seller.config;

import java.text.DateFormat;
import java.util.ArrayList;
import java.util.List;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
 
import com.fasterxml.jackson.databind.ObjectMapper;
 
@Component
class WebConfigurer extends WebMvcConfigurerAdapter {
   
   @Override
   public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
      
      MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
       //设置日期格式
       ObjectMapper objectMapper = new ObjectMapper();
       /*SimpleDateFormat smt = new SimpleDateFormat("yyyy-MM-dd");
       objectMapper.setDateFormat(smt);*/
       mappingJackson2HttpMessageConverter.setObjectMapper(objectMapper);
       //设置中文编码格式
       List<MediaType> list = new ArrayList<MediaType>();
       list.add(MediaType.APPLICATION_JSON_UTF8);
       mappingJackson2HttpMessageConverter.setSupportedMediaTypes(list);
       converters.add(mappingJackson2HttpMessageConverter);
      super.configureMessageConverters(converters);
   }
 
   
}

或者：

package com.fhsn.weixin.config;

import java.util.ArrayList;
import java.util.List;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;
import org.springframework.http.MediaType;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fhsn.weixin.OAuth2;
import com.fhsn.weixin.Weixin;
import com.fhsn.weixin.cache.ITokenCache;

@Configuration
public class SellerConfig {
   @Bean
public MappingJackson2HttpMessageConverter getMappingJackson2HttpMessageConverter() {
   MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
   //设置日期格式
   ObjectMapper objectMapper = new ObjectMapper();

   mappingJackson2HttpMessageConverter.setObjectMapper(objectMapper);
   //设置中文编码格式
   List<MediaType> list = new ArrayList<MediaType>();
   list.add(MediaType.APPLICATION_JSON_UTF8);
   mappingJackson2HttpMessageConverter.setSupportedMediaTypes(list);
   return mappingJackson2HttpMessageConverter;
}

}