百度搜索出来的结果基本上都是如下
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@Bean
public ElasticsearchTemplate elasticsearchTemplate(Client client) {
return new ElasticsearchTemplate(client, new CustomEntityMapper());
}
public static class CustomEntityMapper implements EntityMapper {
private final ObjectMapper objectMapper;
public CustomEntityMapper() {
objectMapper = new ObjectMapper();
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
objectMapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true);
objectMapper.registerModule(new CustomGeoModule());
objectMapper.registerModule(new JavaTimeModule());
}
@Override
public String mapToString(Object object) throws IOException {
return objectMapper.writeValueAsString(object);
}
@Override
public <T> T mapToObject(String source, Class<T> clazz) throws IOException {
return objectMapper.readValue(source, clazz);
}
@Override
public Map<String, Object> mapObject(Object o) {
return null;
}
@Override
public <T> T readObject(Map<String, Object> map, Class<T> aClass) {
return null;
}
}
这边有个简单的方法
增加 @JsonSerialize 和 @JsonDeserialize 注解
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import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import org.springframework.data.elasticsearch.annotations.Field;
public class Data {
@Field(type = FieldType.Date, format = DateFormat.custom, pattern = "yyyy-MM-dd HH:mm:ss || yyyy-MM-dd")
@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
@JsonSerialize(using = LocalDateTimeSerializer.class)
@JsonDeserialize(using = LocalDateTimeDeserializer.class)
private LocalDateTime createdDateTime;
}