//检查更新
public void checkUpdate()
{
try
{
String[] result = HttpTools.getHtml(versionURL, 30).Split('-');
String versionText = result[0];
int cversion = int.Parse(result[1]);
String versionUpdateURL = result[2];
if (cversion > version)
{
DialogResult dr = MessageBox.Show("发现新版本：" + versionText + "，更新日期：" + cversion + "，立即更新吗？", "提示", MessageBoxButtons.OKCancel);
if (DialogResult.OK.Equals(dr))
{
try
{
int index = versionUpdateURL.LastIndexOf("/");
String filename = "update.rar";
if (index != -1)
{
filename = versionUpdateURL.Substring(index);
}
HttpDownloadFile(versionUpdateURL, AppDomain.CurrentDomain.BaseDirectory + filename);
MessageBox.Show("更新成功，请将压缩包解压后运行！");
}
catch (Exception other)
{
MessageBox.Show("更新失败，请访问官网更新！" + other.GetBaseException());
}
}
}
else
{
this.rtxt_log.Invoke(new LogDelegate(LogMessage), "自动检查更新，没有发现新版本！");
}
}
catch (Exception e)
{
this.rtxt_log.Invoke(new LogDelegate(LogWarning), "无法连接更新服务器！" + e.Message);
}
}