將多元素附加到XmlDocument

Question

我有一個看起來像這樣的數據：

List<Deal> deals = new List<Deal>
{
    new Deal
    {
        DealNo = "S001",
        DealItem = new List<string> { "A001", "A002", "A003" }
    },
    new Deal
    {
        DealNo = "S002",
        DealItem = new List<string> { "T001", "T002" }
    }
};

我希望我的輸出看起來像這樣：

<Resource>
  <ResourceID>
    <ResourceBody>
      <DealNo>S001</DealNo>
      <ItemList>
        <Item>A001</Item>
        <Item>A002</Item>
        <Item>A003</Item>
      </ItemList>
      <DealNo>S002</DealNo>
      <ItemList>
        <Item>T001</Item>
        <Item>T002</Item>
      </ItemList>
    </ResourceBody>
  </ResourceID>
</Resource>

我堅持嘗試遍歷ItemList元素並在其中添加節點。 這就是我現在所擁有的：

var xdoc = new XmlDocument();
// This structure is from other parts of the system, I can't change this
xdoc.LoadXml("<Resource><ResourceID><ResourceBody></ResourceBody></ResourceID></Resource>");

foreach (var deal in deals)
{
    var node = xdoc.CreateNode("element", "DealNo", "");
    node.InnerText = deal.DealNo;
    var singleNode = xdoc.SelectSingleNode("Resource/ResourceID/ResourceBody");
    singleNode.AppendChild(node);

    node = xdoc.CreateElement("ItemList");
    singleNode = xdoc.SelectSingleNode("Resource/ResourceID/ResourceBody");
    singleNode.AppendChild(node);
}

如何遍歷所有“交易”並附加所有ItemList元素？

約束：我被迫使用XmlDocument，它是舊代碼的一部分。

Answer 1

使用您的示例，只需添加一個新循環即可添加您的交易項目：

foreach (var deal in deals) {
    var node = xdoc.CreateNode("element", "DealNo", "");
    node.InnerText = deal.DealNo;
    var singleNode = xdoc.SelectSingleNode("Resource/ResourceID/ResourceBody");
    singleNode.AppendChild(node);

    node = xdoc.CreateElement("ItemList");
    singleNode = xdoc.SelectSingleNode("Resource/ResourceID/ResourceBody");

    // Add deal items here...
    foreach (string dealItem in deal.DealItem) {
        var dealItemNode = xdoc.CreateNode("element", "Item", "");
        dealItemNode.InnerText = dealItem;
        node.AppendChild(dealItemNode);
    }

    singleNode.AppendChild(node);
}