java - 解析 csv 时获取 urecognized 字段错误消息
问题描述
我正在尝试使用 Jackson 库将 CSV 文件转换为 JSON。我创建了类似于 CSV 文件头的 POJO 类属性。但即使面临无法识别的字段错误问题。
这是我的代码
public static List<SalesValidationDetails> parseCSVFile(File file) throws IOException {
CsvMapper csvMapper = new CsvMapper();
MappingIterator<SalesValidationDetails> eachSale =
csvMapper.readerWithTypedSchemaFor(SalesValidationDetails.class).readValues(file);
return eachSale.readAll();
}
Pojo类:
@JsonPropertyOrder({ "OrderReference", "Date", "Status", "StatusNote", "NewSalePrice", "TransactionPartsNew", "Currency"})
public class SalesValidationDetails {
private String OrderReference;
private String Date;
private String Status;
private String StatusNote;
private String NewSalePrice;
private String TransactionPartsNew;
private String Currency;
public String getOrderReference() {
return OrderReference;
}
public String getDate() {
return Date;
}
public String getStatus() {
return Status;
}
public String getStatusNote() {
return StatusNote;
}
public String getNewSalePrice() {
return NewSalePrice;
}
public String getTransactionPartNew() {
return TransactionPartsNew;
}
public String getCurrency() {
return Currency;
}
public void setOrderReference(String OrderReference) {
OrderReference = OrderReference;
}
public void setDate(String Date) {
Date = Date;
}
public void setStatus(String Status) {
Status = Status;
}
public void setStatusNote(String StatusNote) {
StatusNote = StatusNote;
}
public void setNewSalePrice(String NewSalePrice) {
NewSalePrice = NewSalePrice;
}
public void setTransactionPartsNew(String TransactionPartsNew) {
TransactionPartsNew = TransactionPartsNew;
}
public void setCurrency(String Currency) {
Currency = Currency;
}
@Override
public String toString() {
return "SalesValidationDetails{" +
"orderReference='" + OrderReference + '\'' +
", date=" + Date +
", status='" + Status + '\'' +
", statusNote='" + StatusNote + '\'' +
", newSalesPrice='" + NewSalePrice + '\'' +
", transactionPartsNew='" + TransactionPartsNew + '\'' +
", currency='" + Currency + '\'' +
'}';
}
}
我的错误信息:
Exception in thread "main" com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "transactionPartNew" (class com.decathlon.beans.SalesValidationDetails), not marked as ignorable (7 known properties: "currency", "newSalePrice", "statusNote", "orderReference", "date", "status", "transactionPartsNew"])
at [Source: (com.fasterxml.jackson.dataformat.csv.impl.UTF8Reader); line: 1, column: 94] (through reference chain: com.decathlon.beans.SalesValidationDetails["transactionPartNew"])
有人可以帮助我这里出了什么问题,我已经尝试了所有方法。
解决方案
您的定居者实施错误,应该是(仅适用于一名二传手的示例):
...
public void setTransactionPartsNew(String TransactionPartsNew) {
this.TransactionPartsNew = TransactionPartsNew;
}
...
因此,您必须为对象的字段赋值。
推荐阅读
- spring-integration - (Spring 集成)如何使用 Reactive 消费者处理消息?
- react-native - 从 React Native 中的内容提供者获取数据
- html - 当用户离线时,使我们的网站可用的技术是什么?
- jquery - 根据值选择下拉项不起作用
- python-3.x - 在 Python 脚本中执行 Bash 命令
- php - 在不同页面上显示复选框输出
- python - 在子字符串上加入熊猫数据框
- javascript - 在对象内的数组内追加 - Watson Assistant
- reactjs - 在 React SPA 中将两个子域组合在一起
- javascript - JS 要求用户启用 cookie