///// <summary>
///// 返回Datatable 及 TotalCount.
///// 兼容Json 和 XML
///// </summary>
public static void WrapResponse(bool success, DataTable dt, int totalCount, string message)
{
if (GetResponseDataType() == ResponseDataType.JSON)
{
AJAXHelper.WrapJsonResponse4DataTable(success, dt, totalCount, message);
}
else if (GetResponseDataType() == ResponseDataType.XML)
{
AJAXHelper.WrapXMLResponse4DataTable(success, dt, totalCount, message);
}
else
{
}
}
/// <summary>
/// 返回文本
/// _ResponseDataType: 'json' or 'xml', 设置返回数据格式。
/// </summary>
public static void WrapResponse(bool success, string text, string message)
{
if (GetResponseDataType() == ResponseDataType.JSON)
{
AJAXHelper.WrapJsonResponse(success, text, message);
}
else if (GetResponseDataType() == ResponseDataType.XML)
{
AJAXHelper.WrapXMLResponse(success, text, message);
}
else
{
}
}
///// <summary>
///// 将DataTable以XML格式包装
///// </summary>
public static void WrapXMLResponse4DataTable(bool success, DataTable dt, int totalCount, string message)
{
//(1)包装Datatable与TotalCount
XmlDocument doc = new XmlDocument();
//doc.AppendChild(doc.CreateXmlDeclaration("1.0", "utf-8", null));//"utf-8"
XmlElement root = doc.CreateElement("root");
XmlElement totalCountEle = doc.CreateElement(AJAXHelper.TotalCountKeyName);
totalCountEle.InnerXml = totalCount.ToString();
root.AppendChild(totalCountEle as XmlNode);
XmlElement dataEle = doc.CreateElement(AJAXHelper.DataKeyName);
dataEle.InnerXml = Converter.DataTable2XML(dt);
root.AppendChild(dataEle as XmlNode);
//(2)
AJAXHelper.WrapXMLResponse(success, root.InnerXml, message);
}
///// <summary>
///// 将DataTable(某些列)以Json格式包装
///// </summary>
public static void WrapJsonResponse4DataTable(bool success, DataTable dt, List <string> colIds, int totalCount, string message)
{
//(1)包装Datatable与TotalCount
StringBuilder sbJson = new StringBuilder();
StringWriter swJson = new StringWriter(sbJson);
using (JsonWriter jsonWriter = new JsonTextWriter(swJson))
{
jsonWriter.Formatting = Newtonsoft.Json.Formatting.Indented;
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName(AJAXHelper.TotalCountKeyName);
jsonWriter.WriteValue(totalCount);
jsonWriter.WritePropertyName(AJAXHelper.DataKeyName);
jsonWriter.WriteValue(Converter.DataTable2Json(dt, colIds));
jsonWriter.WriteEndObject();
}
swJson.Flush();//清空缓存,并将缓冲的数据写出到基础设备
//(2)
AJAXHelper.WrapJsonResponse(success, sbJson.ToString(), message);
}
