Question

我正在编写一个从.xml文件反序列化为对象的方法。我有一个内部异常，即在xml文件中将无效字符串格式从字符串解析为Datetime（7,6）：

<?xml version="1.0" encoding="utf-8"?>
<Order xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<Table>1</Table>
<OrderInfo>
   <OrderID>0</OrderID>
   <OrderType>AtStore</OrderType>
   <Time>22/12/2014 21:07:44</Time>
   <RentStatus>Finish</RentStatus>
   <CancelReason>-</CancelReason>
   <Cashier>test14</Cashier>
   <Session>1</Session>
</OrderInfo>
<CustomerInfo />
<OrderPayment>
   <PaymentType>Cash</PaymentType>
   <Total>258</Total>
   <DiscountPercent>0</DiscountPercent>
   <Discount>0</Discount>
   <Payment>258</Payment>
   <PaymentFromCash>258</PaymentFromCash>
   <PaymentFromWallet>0</PaymentFromWallet>
   <Receive>258</Receive>
   <Exchange>0</Exchange>
</OrderPayment>
<OrderDetails>
   <OrderDetail>
      <ProductID>107</ProductID>
      <Code>5</Code>
      <ProductName>abc</ProductName>
      <Quantity>1</Quantity>
      <Price>258</Price>
      <DiscountPercent>0</DiscountPercent>
      <Discount>0</Discount>
      <Total>258</Total>
      <Payment>258</Payment>
      <Note />
   </OrderDetail>
</OrderDetails>

但是，我班上没有Datetime字段：

public class Order
{
    public OrderInfo OrderInfo { get; set; }
    public OrderPayment OrderPayment { get; set; }
    public CustomerInfo CustomerInfo { get; set; }
    public List<OrderDetail> OrderDetails { get; set; }
}
public class OrderInfo
{
    public string OrderID { get; set; }
    public string OrderOnlineID { get; set; }
    public int OrderType { get; set; }
    public string Time { get; set; }
    public string Note { get; set; }
    public int RentStatus { get; set; }
    public string Cashier { get; set; }
    public string Session { get; set; }
    public string CancelReason { get; set; }
}
public class OrderPayment
{
    public int PaymentType { get; set; }
    public int Total { get; set; }
    public int DiscountPercent { get; set; }
    public int Discount { get; set; }
    public int Payment { get; set; }
    public int PaymentFromCash { get; set; }
    public int PaymentFromWallet { get; set; }
    public int Receive { get; set; }
    public int Exchange { get; set; }
}
public class OrderDetail
{
    public int ProductID { get; set; }
    public string Code { get; set; }
    public string ProductName { get; set; }
    public int Quantity { get; set; }
    public int Price { get; set; }
    public int DiscountPercent { get; set; }
    public int Total { get; set; }
    public int Discount { get; set; }
    public int Payment { get; set; }

    public OrderDetail()
    {
        DiscountPercent = 0;
        Total = 0;
        Discount = 0;
        Payment = 0;
    }
}
public class CustomerInfo
{
    public string CustomerName { get; set; }
    public string Address { get; set; }
    public string PhoneNumber { get; set; }
    public string Email { get; set; }
}

这是我的反序列化代码：

var serializer = new XmlSerializer(typeof(Order));
Order order;
using (TextReader reader = new StreamReader(filePath))
{
      order = (Order)serializer.Deserialize(reader); //the exception appears here
}

序列化时，我也使用字符串，而不是日期时间。所以我认为这只是将字符串序列化为xml并从xml反序列化为字符串。我无法理解异常发生的原因......

Answer 1

我测试了你的XML文档，它有几个问题：

以下元素包含字符串数据，但类属性声明为数字类型：

<OrderType>AtStore</OrderType>
...
<RentStatus>Finish</RentStatus>
...
<PaymentType>Cash</PaymentType>

我猜这些应该是枚举？

此外，Order元素未关闭，但我怀疑这只是将XML复制粘贴到问题中的问题。

修好这些东西后，它反序列化了。

无法反序列化为字符串

1 个答案: