static public void SetValue(XmlElement parentEle, string itemNodeName, ItemsDataMode dataMode, string value)
{
XmlElement node = (XmlElement)parentEle.SelectSingleNode(itemNodeName);
if (node == null)
{
node = parentEle.OwnerDocument.CreateElement(itemNodeName);
parentEle.AppendChild(node);
}
switch (dataMode)
{
case ItemsDataMode.ValueProperty:
node.SetAttribute("value", value);
break;
case ItemsDataMode.Text:
node.InnerText = value;
break;
case ItemsDataMode.CData:
RemoveAllChilds(node);
XmlCDataSection cdata = parentEle.OwnerDocument.CreateCDataSection(value);
node.AppendChild(cdata);
break;
default:
throw new Exception("开发期错误。未知的ItemsDataMode:" + dataMode);
}
}
static public void SetGroupItems(XmlElement groupEle, string itemNodeName, ItemsDataMode dataMode, IEnumerable <string> values)
{
///先清空
RemoveAllChilds(groupEle);
switch (dataMode)
{
case ItemsDataMode.ValueProperty:
foreach (string value in values)
{
XmlElement item = groupEle.OwnerDocument.CreateElement(itemNodeName);
item.SetAttribute("value", value);
groupEle.AppendChild(item);
}
break;
case ItemsDataMode.Text:
foreach (string value in values)
{
XmlElement item = groupEle.OwnerDocument.CreateElement(itemNodeName);
item.InnerText = value;
groupEle.AppendChild(item);
}
break;
case ItemsDataMode.CData:
foreach (string value in values)
{
XmlElement item = groupEle.OwnerDocument.CreateElement(itemNodeName);
XmlCDataSection cdata = groupEle.OwnerDocument.CreateCDataSection(value);
item.AppendChild(cdata);
groupEle.AppendChild(item);
}
break;
default:
throw new Exception("开发期错误。未知的ItemsDataMode:" + dataMode);
}
}
/// <summary>
/// 通过父节点获取子节点的值。如：＜option＞＜partIdSeed＞1＜/partIdSeed＞＜/option＞
/// </summary>
/// <param name="parentEle">父节点。即例子里的：option节点</param>
/// <param name="itemNodeName">子节点名。即例子里的"partIdSeed"</param>
/// <param name="dataMode">数据存储模式。例子里是ItemsDataMode.Text</param>
/// <returns></returns>
static public string GetValue(XmlElement parentEle, string itemNodeName, ItemsDataMode dataMode)
{
XmlElement node = (XmlElement)parentEle.SelectSingleNode(itemNodeName);
if (node == null)
{
return("");
}
switch (dataMode)
{
case ItemsDataMode.ValueProperty:
return(node.GetAttribute("value"));
case ItemsDataMode.Text:
return(node.InnerText);
case ItemsDataMode.CData:
return(node.InnerText);
default:
throw new Exception("开发期错误。未知的ItemsDataMode:" + dataMode);
}
}
/// <summary>
/// 从XmlElement里获取一组值。如：＜groups＞＜item value="a"＞＜/item＞＜item value="B"＞＜/item＞＜/groups＞
/// </summary>
/// <param name="groupEle">从此XmlElement里获取值。即上面的groups元素</param>
/// <param name="itemNodeName">item的名字，即上面的"item"</param>
/// <param name="dataMode">数据存储的类型。上面是ItemsDataMode.ValueProperty</param>
/// <returns></returns>
static public string[] GetGroupItems(XmlElement groupEle, string itemNodeName, ItemsDataMode dataMode)
{
XmlNodeList nodes = groupEle.SelectNodes(itemNodeName);
string[] returnItems = new string[nodes.Count];
switch (dataMode)
{
case ItemsDataMode.ValueProperty:
{
int i = 0;
foreach (XmlNode node in nodes)
{
returnItems[i] = node.Attributes["value"].Value;
i++;
}
break;
}
case ItemsDataMode.Text:
{
int i = 0;
foreach (XmlNode node in nodes)
{
returnItems[i] = node.InnerText;
i++;
}
break;
}
case ItemsDataMode.CData:
{
int i = 0;
foreach (XmlNode node in nodes)
{
returnItems[i] = node.InnerText;
i++;
}
break;
}
default:
throw new Exception("开发期错误。未知的ItemsDataMode:" + dataMode);
}
return(returnItems);
}
