XML验证框架在项目中的应用

接口中使用了XML参数， 如果用程序来验证XML会非常的复杂。如果用xml框架来验证，那就很简单了

1.可以通过.net2005程序来创建xml的框架，先中一个xml文件，在菜单栏里可以看到XML->生成框架。

2.验证

/// <summary>
/// 验证外部系统发送来的数据格式是否符合要求
/// </summary>
/// <param name="OperationsXml">被验证的xml串</param>
/// <param name="schemaXml">框架文件路径</param>
/// <param name="returnMsg">错误信息</param>
/// <returns>bool</returns>
public bool ValidateFile(string OperationsXml, string schemaXml, ref string returnMsg)
{

StringReader opStrReader = new StringReader(OperationsXml);
//StringReader schStrReader = new StringReader(schemaXml);

XmlReader opXmlReader = XmlReader.Create(opStrReader);
//XmlReader schXmlReader = XmlReader.Create(schStrReader);
XmlReader schXmlReader = XmlReader.Create(schemaXml);

XmlReaderSettings settings = new XmlReaderSettings();
settings.Schemas.Add(null, schXmlReader);
settings.ValidationType = ValidationType.Schema;

settings.ValidationEventHandler += new System.Xml.Schema.ValidationEventHandler(ValidationEventHandler);

sb = new StringBuilder();
XmlReader reader = XmlReader.Create(opXmlReader, settings);
try
{
while (reader.Read())
{

}
}
catch (XmlException ex)
{
sb.AppendFormat("{0}<br />", ex.Message);
}
finally
{
reader.Close();
}
returnMsg = sb.ToString();
return returnMsg.Length == 0;
}

/// <summary>
/// 格式验证回调了函数
/// </summary>
/// <param name="ValidationEventArgs"></param>
/// <returns>void</returns>
private void ValidationEventHandler(object sender, System.Xml.Schema.ValidationEventArgs e)
{
sb.AppendFormat("{0}<br />", e.Message);
}