使用Lombok注释生成JSON请求主体

Question

我尝试了多种模式，但仍然没有成功，如何使用嵌套的JSON对象创建JSON数组对象，如下以下类似的类似

{
  "deduction": [
    {
      "id": "50258779",
      "amount": {
        "value": 13.24,
        "currency": "INR"
      },
      "transfer": "DEPOSIT",
      "fund": "RL",
      "description": "TD description",
      "code": "codeNumber"
    },
    {
      "id": "50258779",
      "amount": {
        "value": 13.24,
        "currency": "INR"
      },
      "transfer": "DEPOSIT",
      "fund": "RL",
      "description": "TD description",
      "code": "codeNumber"
    }
  ]
}

我生成的类来构建此请求架构：

import com.fasterxml.jackson.annotation.JsonInclude;
import lombok.Builder;
import lombok.Getter;
import lombok.Setter;

import java.util.List;


@Builder
@Getter
@Setter
@JsonInclude(JsonInclude.Include.NON_EMPTY)
public class Transf{

    private List<Deduction> deduction;

    @Builder
    @Getter
    @Setter
    public class Deduction {

        private Amount amount;
        private String transfer;
        private String code;
        private String fund;
        private String description;
        private Integer id;

    }

    @Builder
    @Getter
    @Setter
    public class Amount {

        private String currency;
        private Double value;

    }
}

尝试创建JSON请求boston以使用REST的速度发送，

public Transf trans()
    {
        return Transf.builder()
            .deduction(Transf.Deduction.builder().transfer("")).build();
    }

但在上面获得语法错误这，需要知道我该如何完成这项工作

Answer 1

而不是

Transf.Deduction.builder().transfer("")

你需要

Transf.Deduction.builder().transfer("").build()

Answer 2

首先，您定义私有列表＆lt; dectuction＆gt;扣除; - ＆gt;您将提供list。

第二，要使构建器起作用，您必须调用.build（）

public Transf trans() {
    return Transf.builder()
            .deduction(Arrays.asList(Transf.Deduction.builder().transfer("").build()))
            .build();
}