没有 args 错误改造请求正文

Question

我在使用改造向服务器发送 json 对象主体时遇到问题。以下是错误。

调用公共失败 com.nitesh.brill.saleslines._User_Classes.User_PojoClass.UpdatePreviousDetails() 没有参数

代码sn-p

// API 端点

@Headers("Content-Type: application/json")
@POST("UpdatePreviousDetails/{Id}")
fun updatePreviousDetails(@Path("Id") Id: Int, @Body  updateDetails :UpdatePreviousDetails): Call<UpdatePreviousDetails>

//pojo类

package com.nitesh.brill.saleslines._User_Classes.User_PojoClass

import java.util.*

/**
 * Created by Nitesh Android on 16-08-2017.
 */
class UpdatePreviousDetails(
        var CompanyName: String? = null!!,
        var Designation: String? = null!!,
        var DateOfJoin: Date? = null!!,
        var DateOfLeaving: Date? = null!!,
        var SectorPreviouslyWorked: String? = null!!,
        var Id: Int? = null!!
) {


}

//发送数据

val details = UpdatePreviousDetails("rr", "asm", date, date, "Pharmaceuticals",3)

val call = apiEndpointInterface!!.updatePreviousDetails(5, details)

call.enqueue(object :Callback<UpdatePreviousDetails> {
    override fun onResponse(call: Call<UpdatePreviousDetails>?, response: Response<UpdatePreviousDetails>?) {
        objUsefullData.showSnackBar("success")

         UsefullData.Log("============="+response!!.body().toString())

    }

    override fun onFailure(call: Call<UpdatePreviousDetails>?, t: Throwable?) {

        objUsefullData.showSnackBar("fail")
        UsefullData.Log("============="+t)

    }

})

我正在使用 kotlin 语言

Answer 1

您的UpdatePreviousDetails 类必须有一个不带参数的构造函数，以使 Gson（在 Retrofit 内部）能够将您的对象转换为 JSON。

编辑

class UpdatePreviousDetails() {

    var CompanyName: String? = null
    var Designation: String? = null
    var DateOfJoin: Date? = null
    var DateOfLeaving: Date? = null
    var SectorPreviouslyWorked: String? = null
    var Id: Int? = null

    constructor(
            CompanyName: String?,
            Designation: String?,
            DateOfJoin: Date?,
            DateOfLeaving: Date?,
            SectorPreviouslyWorked: String?,
            Id: Int?
    ) : this() {

        this.CompanyName = CompanyName
        this.Designation = Designation
        this.DateOfJoin = DateOfJoin
        this.DateOfLeaving = DateOfLeaving
        this.SectorPreviouslyWorked = SectorPreviouslyWorked
        this.Id = Id
    }
}