在Java中将父类转换为子类

如何解决在Java中将父类转换为子类

我有2节课。一种用于API请求，另一种用于响应。我的工作是在请求正文中添加2个参数error,result并将其发送回响应中。

我尝试投射，但失败了：

for (InteracReportingDetails item : interacReportingDetailsList) {  
            result1.add((InteracReportingDetailsResponse) item);
}

什么是简单/正确的方法？有什么方法可以避免打电话给个别的二传手吗？

我应该去界面吗？克隆吗？

---

第一类-API的请求正文（春季）：

public class InteracReportingDetails {
    
    private String interacReportingCode,interacReportingTypeCode,participantId,interacReferenceId,interacReferenceIdType,reportedByCode,transactionTimeStamp,interacReportingTimeStamp,memo;
    public String getParticipantId() {
        return participantId;
    }

    public void setParticipantId(String participantId) {
        this.participantId = participantId;
    }

    
    public String getInteracReportingCode() {
        return interacReportingCode;
    }

    public void setInteracReportingCode(String interacReportingCode) {
        this.interacReportingCode = interacReportingCode;
    }

    public String getInteracReportingTypeCode() {
        return interacReportingTypeCode;
    }

    public void setInteracReportingTypeCode(String interacReportingTypeCode) {
        this.interacReportingTypeCode = interacReportingTypeCode;
    }

    public String getInteracReferenceId() {
        return interacReferenceId;
    }

    public void setInteracReferenceId(String interacReferenceId) {
        this.interacReferenceId = interacReferenceId;
    }

    public String getInteracReferenceIdType() {
        return interacReferenceIdType;
    }

    public void setInteracReferenceIdType(String interacReferenceIdType) {
        this.interacReferenceIdType = interacReferenceIdType;
    }

    public String getReportedByCode() {
        return reportedByCode;
    }

    public void setReportedByCode(String reportedByCode) {
        this.reportedByCode = reportedByCode;
    }

    public String getTransactionTimeStamp() {
        return transactionTimeStamp;
    }

    public void setTransactionTimeStamp(String transactionTimeStamp) {
        this.transactionTimeStamp = transactionTimeStamp;
    }

    public String getMemo() {
        return memo;
    }

    public void setMemo(String memo) {
        this.memo = memo;
    }

    public String getInteracReportingTimeStamp() {
        return interacReportingTimeStamp;
    }

    public void setInteracReportingTimeStamp(String interacReportingTimeStamp) {
        this.interacReportingTimeStamp = interacReportingTimeStamp;
    }
}

二等舱：

public class InteracReportingDetailsResponse extends InteracReportingDetails {
    
    private String error,result;
    
    
    public String getError() {
        return error;
    }

    public void setError(String error) {
        this.error = error;
    }

    public String getResult() {
        return result;
    }

    public void setResult(String result) {
        this.result = result;
    }
}

解决方法

我通过使用：

解决了

import pyspark.sql.functions as func
df = df.select(func.to_timestamp(func.col('session_date'),'yyyy-MM-dd').alias('session_date')
df.toPandas()