/// <summary>
/// 文件下载
/// </summary>
/// <param name="id"></param>
public void ExportTemplate(int id)
{
try
{
StruTemplateLibGeneral item = DataSource.Where(data => data.Id == id).SingleOrDefault();
//文件地址
string path = globalInfo.ProjectPath + @"\" + globalInfo.ProjectName + @".lcp";
if (path == @"\.lcp")
{
MessageBox.Show("选择工程后才允许下载!");
return;
}
//加载xml文件
XmlDocument doc = new XmlDocument();
doc.Load(path);
XmlNode rootNode = doc.GetElementsByTagName("GeneralStruTemplate")[0];
if (rootNode == null)
{
XmlNode rootBase = doc.GetElementsByTagName("BaseData")[0];
rootNode = doc.CreateElement("GeneralStruTemplate");
rootBase.AppendChild(rootNode);
}
bool notExists = true;//是否已经存在该模板
foreach (XmlNode xmlNode in rootNode.ChildNodes)
{
if (xmlNode.Attributes.GetNamedItem("Name").InnerText == item.FileName)
{
notExists = false;
DialogResult dr = MessageBox.Show(string.Format("已经存在模板名称【{0}】相同的信息，是否替换？", item.FileName), "重复确认", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
if (dr == DialogResult.OK)
{
xmlNode.Attributes.GetNamedItem("Name").InnerText = item.FileName;
xmlNode.Attributes.GetNamedItem("TowerType").InnerText = item.Category;
}
}
break;
}
if (notExists)
{
XmlElement row = doc.CreateElement("TowerTemplate");
row.SetAttribute("Name", item.FileName);
row.SetAttribute("TowerType", item.Category);
rootNode.AppendChild(row);
//下载具体文件
string NewFilePath = proUtils.GetGeneralTowerTemplatePath(item.FileName, item.Category);
if (File.Exists(NewFilePath))
{
File.Delete(NewFilePath);
}
using (FileStream fsWrite = new FileStream(NewFilePath, FileMode.Create, FileAccess.Write))
{
byte[] buffer = Encoding.Default.GetBytes(item.Content);
//使用utf-8编码格式
fsWrite.Write(buffer, 0, buffer.Length);
};
}
doc.Save(path);
MessageBox.Show("下载成功!");
}
catch (Exception ex)
{
MessageBox.Show(string.Format("下载失败，具体原因如下:{0}!", ex.Message));
}
}