JavaBean LocalDateTime 统一格式化处理

原创已于 2024-07-15 14:43:08 修改 · 343 阅读

1 ·

CC 4.0 BY-SA版权

文章标签：

#java

于 2022-04-08 18:32:50 首次发布

该配置类展示了如何使用Jackson的JavaTimeModule为LocalDateTime, LocalDate和LocalTime定义自定义序列化格式，确保在JSON序列化过程中日期时间以指定的'yyyy-MM-dd HH:mm:ss'、'yyyy-MM-dd'和'HH:mm:ss'格式输出。

Java请求返回统一格式化处理

import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.ToStringSerializer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
 
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
 

@Configuration
public class ViewSerializerConfig {

    @Bean(name = "mapperObject")
    public ObjectMapper getObjectMapper() {
        ObjectMapper om = new ObjectMapper();
        JavaTimeModule javaTimeModule = new JavaTimeModule();
        javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
        javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd")));
        javaTimeModule.addSerializer(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern("HH:mm:ss")));
        om.registerModule(javaTimeModule);
		
		SimpleModule simpleModule = new SimpleModule();
		//统一处理返回的Long转为String（其他类型同理）
		simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
		om.registerModule(simpleModule);
		//忽略请求中不存在的参数
		om.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
		
        return om;
    }
    
}