Postman传递对象参数

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.apache.ibatis.annotations.Param;
import org.hibernate.validator.constraints.Length;
import org.springframework.validation.annotation.Validated;

import javax.persistence.Column;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.persistence.Transient;
import javax.validation.Valid;
import javax.validation.constraints.Digits;
import javax.validation.constraints.NotNull;
import java.io.Serializable;
import java.math.BigDecimal;
import java.util.Date;
import java.util.List;

@Data
@AllArgsConstructor
@NoArgsConstructor
@Table(name = "ssm_funds_main")
public class FunsCjyModel implements Serializable {
    private static final long serialVersionUID = 1L;
    /**
     * 主表id
     */
    @Id
   // @NotNull(message = "id不能为空")
    @Length(max = 32,message = "主表id长度不能超过32位")
    @Column(name = "BI_RS_ID")
    private String biRsId;
    /**
     * 所属培训班
     */

    @NotNull(message = "所属培训班不能为空")
    @Length(max = 32,message = "培训班长度不能超过32位")
    @Column(name = "TERM_NAME")
    private String termName;
    /**
     * 发票购买方
     */
    @NotNull(message = "发票购买方不能为空")
    @Length(max = 32,message = "发票购买方长度不能超过32位")
    @Column(name = "BUYER")
    private String buyer;
    /**
     * 发票销售方
     */
    @NotNull(message = "发票销售方不能为空")
    @Length(max = 32,message = "发票销售方长度不能超过32位")
    @Column(name = "SALLER")
    private String saller;

    /**
     * 发票编号
     */
    @Length(max = 32,message = "发票编号长度不能超过32位")
    private String billNo;
    /**
     * 开票日期
     */
    private Date billDate;
    /**
     * 票面金额
     */
    @Digits(integer = 8,fraction = 2,message = "票面金额整数上限为8位，小数点上限为2位")
    private BigDecimal billSum;
    /**
     * 复印件路径
     */
    @Length(max = 100,message = "复印件路径长度不能超过100位")
    private String picPath;
    /**
     * 文件扩展名称
     */
    @Length(max = 10,message = "文件扩展名称长度不能超过100位")
    private String picFileExt;
    /**
     * 创建人
     */
    @Length(max = 32,message = "创建人id长度不能超过32位")
    private String createId;
    /**
     * 创建时间
     */
    private Date createDate;
    /**
     * 修改人
     */
    @Length(max = 32,message = "修改人id长度不能超过32位")
    private String modifyId;
    /**
     * 修改时间
     */
    private Date modifyDate;
    /**
     * 从表集合
     */
    @Transient
    @Valid
    private List<DetailCjyModel> list;
}

{
  "biRsId":"",
  "termName":"实训",
  "buyer":"学生",
  "saller":"学校",
  "billNo":"20210722",
  "billSum":"900.00",
  "createId":"CJY",
  "list":[
            {
            "rsId":"",
            "itemName":"语文",
            "itemSpec":"私人",
            "itemUnit":"元",
            "qty":"10.00",
            "price":"30.00",
            "subSum":"300.00",
            "taxPercent":"0.1",
            "taxAtm":"30.0"
            },
{
            "rsId":"",
            "itemName":"数学",
            "itemSpec":"集体",
            "itemUnit":"元",
            "qty":"20.00",
            "price":"30.00",
            "subSum":"600.00",
            "taxPercent":"0.1",
            "taxAtm":"60.0"
            }
 ]
}

 @RequestMapping("/insertFunsDetailTwo")
    @ResponseBody
    public ResultMap insertFunsDetailTwo(String dataStr,@RequestParam (value = "file",required = false) MultipartFile file){
        JSONObject dataStrMap = JSONObject.parseObject(dataStr);
        FunsCjyModel funsCjyModel = new FunsCjyModel();
        funsCjyModel.setTermName((String)dataStrMap.get("termName"));
        funsCjyModel.setBuyer((String)dataStrMap.get("buyer"));
        funsCjyModel.setSaller((String)dataStrMap.get("saller"));
        funsCjyModel.setBillNo((String)dataStrMap.get("billNo"));
        funsCjyModel.setBillSum(funsModelCjyServiceImpl.stringBigeDecimal((String)dataStrMap.get("billSum")));
        funsCjyModel.setCreateId((String)dataStrMap.get("createId"));
        String list1 = JSON.toJSONString(dataStrMap.get("list"));
        List<DetailCjyModel> list = JSONArray.parseArray(list1,DetailCjyModel.class);
        funsCjyModel.setList(list);
        return funsModelCjyService.insertFunsAndDetail(funsCjyModel,file);
    }