Swagger-play2：如何使用@ApiImplicitParams 注释允许对象数组作为 swagger ui 中的输入？

沙希·谢卡尔

我正在尝试为采用案例类对象数组的方法编写 swagger API。我做了如下事情：

package models

import io.swagger.annotations.{ApiModel, ApiModelProperty}
import play.api.data.Form
import play.api.data.Forms.{mapping, nonEmptyText, seq}
import play.api.libs.json.{Json, Writes}
import spray.json.DefaultJsonProtocol

object Message extends DefaultJsonProtocol {

@ApiModel(value = "EmailMessage")
  case class EmailMessage(
                           @(ApiModelProperty@field)(position = 1, dataType = "array", required = true) emails: Seq[String],
                           @(ApiModelProperty@field)(position = 2, required = true) message: String
                         )

}

以及控制器的请求处理程序方法

@ApiImplicitParams(Array(
    new ApiImplicitParam(value = "EmailMessage", dataType = "models.Message.EmailMessage",
      paramType = "body", name = "body", required = true)
  ))

现在，当我尝试访问此 API 时，出现以下异常：

[error] application - Failed to resolve 'models.Message.EmailMessage' into class
java.lang.ClassNotFoundException: models.Message.EmailMessage
    at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at play.modules.swagger.PlayReader.typeFromString(PlayReader.java:447)
    at play.modules.swagger.PlayReader.readImplicitParam(PlayReader.java:423)
    at play.modules.swagger.PlayReader.readImplicitParameters(PlayReader.java:396)
    at play.modules.swagger.PlayReader.read(PlayReader.java:199)
    at play.modules.swagger.PlayReader.read(PlayReader.java:64)
    at play.modules.swagger.PlayReader.read(PlayReader.java:58)
    at play.modules.swagger.ApiListingCache$$anonfun$listing$1.apply(ApiListingCache.scala:17)
[info] swagger - Swagger - initialization done.

沙希·谢卡尔

好吧，我想通了。我所做的是从 Message 对象中取出 EmailMessage 案例类。


    @ApiModel(value = "EmailMessage")
      case class EmailMessage(
                               @(ApiModelProperty@field)(position = 1, 
    dataType = "List[String]", required = true) emails: Seq[String],
                               @(ApiModelProperty@field)(position = 2, 
    required = true) message: String
                             )

    object Message extends DefaultJsonProtocol {

    val EmailMessageForm = Form(
        mapping(
          "emails" -> seq(nonEmptyText),
          "message" -> nonEmptyText
        )(EmailMessage.apply)(EmailMessage.unapply)
      )

    }

在@ApiImplicitParam 中，我更改了dataType属性的值，如下所示

    @ApiImplicitParams(Array(
        new ApiImplicitParam(value = "EmailMessage payload data", dataType 
    = "models.EmailMessage",
      paramType = "body", name = "body", required = true)
      ))

现在应用程序运行没有任何错误。

但是当我将 swagger.json 呈现给 OpenAPI 时，我没有得到很好的用户输入界面。如果有人对此有任何想法，请告诉我。

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