SpringBoot默认使用jackson来进行json格式转换,我们在配置文件中加入如下配置可以统一的改变Spring MVC返回值的日期格式类型
spring.jackson.date-format=yyyy-MM-dd
spring.jackson.time-zone=GMT+8
spring.jackson.serialization.write-dates-as-timestamps=false
但是这个配置对于java8新提供的日期APILocalDate、LocalDateTime等无效。
解决办法:
引入依赖
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-jsr310</artifactId>
<version>2.8.9</version>
</dependency>
启动主类添加如下代码
@SpringBootApplication
public class GroupApplication {
public static void main(String[] args) {
SpringApplication.run(GroupApplication.class, args);
}
/**
* 提供jackson对LocalDate等java8提供的日期的序列化支持
*/
@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);
return om;
}
}