WebMvcConfigurer下全局时间格式化WebMvcConfigurer 下全局时间格式化
不能解决 Instant 类型 格式化
⽅式⼀
@Configuration
public class WebConfig implements WebMvcConfigurer {
private static final String dateFormat ="yyyy-MM-dd";
private static final String dateTimeFormat ="yyyy-MM-dd HH:mm:ss";
@Bean
public Jackson2ObjectMapperBuilderCustomizer jsonCustomizer(){
return builder ->{
builder.simpleDateFormat(dateTimeFormat);
/
/序列化
builder.serializers(new LocalDateSerializer(DateTimeFormatter.ofPattern(dateFormat)));
builder.serializers(new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(dateTimeFormat)));
//反序列化
builder.deserializers(new LocalDateDeserializer(DateTimeFormatter.ofPattern(dateFormat)));
builder.deserializers(new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern(dateTimeFormat)));
}
}
⽅式⼆
@Configuration
public class WebConfig implements WebMvcConfigurer {
@Bean
public ObjectMapper ObjectMapper(){
ObjectMapper objectMapper =new ObjectMapper();
// 对于空的对象转json的时候不抛出错误
objectMapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
// 禁⽤遇到未知属性抛出异常
objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
// 序列化BigDecimal时不使⽤科学计数法输出
// ⽇期和时间格式化
JavaTimeModule javaTimeModule =new JavaTimeModule();
/
/序列化
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")));
bigdecimal格式化两位小数
javaTimeModule.addSerializer(LocalTime.class,new LocalTimeSerializer(DateTimeFormatter.ofPattern("HH:mm:ss")));
//反序列化
javaTimeModule.addDeserializer(LocalDateTime.class,new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));        javaTimeModule.addDeserializer(LocalDate.class,new LocalDateDeserializer(DateTimeFormatter.ofPattern("yyyy-MM-dd")));
javaTimeModule.addDeserializer(LocalTime.class,new LocalTimeDeserializer(DateTimeFormatter.ofPattern("HH:mm:ss")));
return objectMapper;
}
}

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