scala样例类转为JSON字符串

导入依赖

pom.xml

<dependency>

    <groupId>org.json4s</groupId>

    <artifactId>json4s-native_2.12</artifactId>

    <version>3.5.4</version>

</dependency>

import org.json4s.native.Serialization

implicit val formats=org.json4s.DefaultFormats

val orderInfoJson: String = Serialization.write(orderInfo)