private static void DownloadOrSetDirect(bool needDownload)
{
if (getURL() == "0")
{
return;
}
//设置墙纸
string year = DateTime.Now.Year.ToString();
int m = DateTime.Now.Month;
int d = DateTime.Now.Day;
string month = m.ToString();
string day = d.ToString();
month = m < 10 ? "0" + m : "" + m;
day = d < 10 ? "0" + d : "" + d;
string strSavePath = ConfigOperation.getXmlValue(dir.Substring(0, dir.Length - 1), "ImageSavePath") + "\\bing" + year + month + day + ".jpg";
if (!needDownload && File.Exists(strSavePath))
{
//存在文件
//Trace.WriteLine("ss");
SystemParametersInfo(20, 1, strSavePath, 1);
}
else
{
Bitmap bmpWallpaper;
WebRequest webreq = WebRequest.Create(getURL());
WebResponse webres = webreq.GetResponse();
using (Stream stream = webres.GetResponseStream())
{
bmpWallpaper = (Bitmap)Image.FromStream(stream);
//stream.Close();
if (!Directory.Exists(ConfigOperation.getXmlValue(dir.Substring(0, dir.Length - 1), "ImageSavePath")))
{
Directory.CreateDirectory(ConfigOperation.getXmlValue(dir.Substring(0, dir.Length - 1), "ImageSavePath"));
}
bmpWallpaper.Save(ConfigOperation.getXmlValue(dir.Substring(0, dir.Length - 1), "ImageSavePath") + "\\bing" + year + month + day + ".jpg", ImageFormat.Jpeg); //图片保存路径为相对路径，保存在程序的目录下
//Console.WriteLine(ConfigOperation.getXmlValue(path, "ImageSavePath"));
}
SystemParametersInfo(20, 1, strSavePath, 1);
}
}
/**
*获取壁纸网络地址
*/
public static string getURL()
{
string InfoUrl = "http://cn.bing.com/HPImageArchive.aspx?idx=0&n=1";
string ImageUrl = "0";
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(InfoUrl);
request.Method = "GET"; request.ContentType = "text/html;charset=UTF-8";
string XmlString;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
Stream myResponseStream = response.GetResponseStream();
using (StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8))
{
XmlString = myStreamReader.ReadToEnd();
}
}
// 定义正则表达式用来匹配标签
Regex regImg = new Regex("<Url>(?<imgUrl>.*?)</Url>", RegexOptions.IgnoreCase);
// 搜索匹配的字符串
MatchCollection matches = regImg.Matches(XmlString);
// 取得匹配项列表
ImageUrl = "http://www.bing.com" + matches[0].Groups["imgUrl"].Value;
if (ConfigOperation.getXmlValue(dir.Substring(0, dir.Length - 1), "WallpaperSize") == "0")
{
ImageUrl = ImageUrl.Replace("1366x768", "1920x1080");
//label1.Text = ImageUrl;
}
else if (ConfigOperation.getXmlValue(dir.Substring(0, dir.Length - 1), "WallpaperSize") == "2")
{
ImageUrl = ImageUrl.Replace("1366x768", "1920x1200");
//label1.Text = ImageUrl;
}
}
catch (Exception e)
{
return("0");
}
return(ImageUrl);
}