/// <summary>
/// 图片上传，按照限制的图片宽高剪切
/// </summary>
/// <param name="fuUrl">上传控件</param>
/// <param name="filePath">上传图片要存放的文件夹。格式为：/UploadImage/background/</param>
/// <param name="limitWidth">上传图片最大宽度 0:表示不限制上传图片宽度</param>
/// <param name="limitHeight">上传图片最大高度 0:表示不限制上传图片高度</param>
/// <param name="msg">上传成功或失败的提示信息</param>
/// <param name="imgName">上传成功后的文件名。若上传失败则为空</param>
/// <returns>true:表示上传成功 false:上传失败</returns>
public static bool UploadImage(FileUpload fuUrl, string filePath, int limitWidth, int limitHeight, out string msg, out string imgName)
{
if (fuUrl.PostedFile.FileName.IsNullOrEmpty())
{
msg = "上传图片不能为空！";
imgName = "";
return(false);
}
string filepath = fuUrl.PostedFile.FileName; //得到的是文件的完整路径,包括文件名
string filename = filepath; //得到上传的文件名20022775_m.jpg
string suffix = FileManager.GetFileExtension(filename); //获得上传的图片的后缀名
if (!allowPic(suffix))
{
msg = "图片格式不正确，只能是jpg,gif,png格式";
imgName = "";
return(false);
}
//上传的图片改名改名
filename = Utility.GetRandomNumber() + suffix;
string serverpath = HttpContext.Current.Server.MapPath(filePath + filename);//取得文件在服务器上保存的位置
using (System.Drawing.Image originalImage = System.Drawing.Image.FromStream(fuUrl.PostedFile.InputStream))
{
//图片裁切
using (System.Drawing.Image customerImage = UploadFile.CutImg(originalImage, limitWidth, limitHeight, CutMode.WIDTH, true))
{
//EventLog.WriteLog(customerImage.Width.ToString());
//图片保存
customerImage.Save(serverpath, System.Drawing.Imaging.ImageFormat.Jpeg);
}
}
msg = "上传成功！";
imgName = filePath + filename;
return(true);
}
/// <summary>
/// 图片上传
/// </summary>
/// <param name="iswatermark">是否添加水印:0否 1是</param>
/// <param name="fuUrl">上传控件</param>
/// <param name="filePath">上传图片要存放的文件夹。格式为：/UploadImage/background/</param>
/// <param name="msg">上传成功或失败的提示信息</param>
/// <param name="imgName">上传成功后的文件名。若上传失败则为空</param>
/// <returns>true:表示上传成功 false:上传失败</returns>
public static bool UploadImage(int iswatermark, FileUpload fuUrl, string filePath, out string msg, out string imgName)
{
if (fuUrl.PostedFile.FileName.IsNullOrEmpty())
{
msg = "上传文件不能为空！";
imgName = "";
return(false);
}
string filepath = fuUrl.PostedFile.FileName; //得到的是文件的完整路径,包括文件名
string filename = filepath; //得到上传的文件名20022775_m.jpg
string suffix = FileManager.GetFileExtension(filename); //获得上传的图片的后缀名
if (!allowPic(suffix))
{
msg = "图片格式不正确，只能是jpg,gif,png格式";
imgName = "";
return(false);
}
//上传的图片改名改名
filename = Utility.GetRandomNumber() + suffix;
string serverpath = HttpContext.Current.Server.MapPath(defpath + filename); //取得文件在服务器上保存的位置
fuUrl.PostedFile.SaveAs(serverpath); //将上传的文件另存为
msg = "上传成功！";
imgName = filename;
//添加图片水印
string imageOldPath = HttpContext.Current.Server.MapPath(filePath + filename);
if (iswatermark == 1 && File.Exists(watermarkpic))
{
AddShuiYinPic(serverpath, imageOldPath, watermarkpic);
}
return(true);
}
private void Application_BeginRequest(Object source, EventArgs e)
{
HttpApplication Application = (HttpApplication)source;
HttpResponse Response = Application.Context.Response;
#region 判断域名是二级城市域名，如果是则重定向到相应目录
string oldUrl = Application.Context.Request.Url.ToString().ToLower();
//EventLog.WriteLog(oldUrl);
//url中含有/city/sanmenxia，错误地址，不能直接访问，进行替换
//oldUrl = oldUrl.Replace("/city/sanmenxia", "");
//解决在分站访问当页面路径唯有文件名情况下。系统自动会加上/city/sanmenxia而导致的地址栏中实际显示的路径与访问的虚拟路径不同的问题
if (oldUrl.Contains("/city/sanmenxia"))
{
//直接重定向
Application.Context.Response.Redirect(oldUrl.Replace("/city/sanmenxia", ""));
}
if (UrlRewriteRules.OldCitySiteUrl.Contains("," + Application.Context.Request.Url.Host + ","))
{
//EventLog.WriteLog(oldUrl);
string newUrl = oldUrl.Replace("http://" + Application.Context.Request.Url.Host, UrlRewriteRules.NewCitySiteUrl);
//解决访问的链接地址没有文件名的情况下，httpmodule会处理两次的情况
if (FileManager.GetFileExtension(newUrl).IsNullOrEmpty())
{
if (!newUrl.EndsWith("/"))
{
newUrl += "/";
}
newUrl += "index.aspx";
}
//EventLog.WriteLog(newUrl);
Application.Context.RewritePath(newUrl, false);
return;
}
#endregion
if (!FileManager.Exists(Application.Context.Request.PhysicalPath, FsoMethod.All))
{
//EventLog.WriteLog(Application.Context.Request.PhysicalPath);
//获取请求的URL
string path = Application.Context.Request.RawUrl;
//EventLog.WriteLog(path);
//去除路径中?后面的内容
if (path.IndexOf("?") >= 0)
{
path = Utility.Left(path, path.IndexOf("?"));
}
//EventLog.WriteLog(path);
//EventLog.WriteLog(path.IndexOf("?").ToString());
List <PathMapping> list = UrlRewriteRules.UrlRewrite();
//EventLog.WriteLog("开始1");
foreach (PathMapping pathMapping in list)
{
//EventLog.WriteLog("开始2");
string pattern = @"^" + pathMapping.VirtualPath + "$";
string realPathRules = pathMapping.RealPath;
//匹配url规则
Regex regex = new Regex(pattern, RegexOptions.IgnoreCase);
//EventLog.WriteLog(regex.IsMatch(path).ToString());
if (regex.IsMatch(path)) //如果匹配成功
{
//获取匹配集合
Match mc = regex.Match(path);
//EventLog.WriteLog("mc.Groups.Count:" + mc.Groups.Count + "<br/>");
string realPath = "";
for (int i = 0; i < mc.Groups.Count; i++)
{
//EventLog.WriteLog("continue前");
if (i == 0) //第一个匹配串是整串匹配，没用，丢弃
{
continue;
}
//EventLog.WriteLog("continue后");
//从第二个匹配字串起，替换$1,$2,$3这样url串中的参数
realPath = realPathRules.Replace("$" + i.ToString(), mc.Groups[i].Value);
//realPathRules值重置，因为如果是多个参数$1,$2,$3,不重置，则上行的realPathRules仍然是原来的$1,$2,$3,循环替换就没有成功
realPathRules = realPath;
//EventLog.WriteLog(realPath);
}
//EventLog.WriteLog(realPath);
//重写url
Application.Context.RewritePath(realPath);
return;
}
}
}
}
/// <summary>
/// 图片上传，限制图片大小和宽高
/// </summary>
/// <param name="fuUrl">上传控件</param>
/// <param name="filePath">上传图片要存放的文件夹。格式为：/UploadImage/background/</param>
/// <param name="limitSize">上传图片最大值以字节为单位 0:表示不限制上传图片大小</param>
/// <param name="limitWidth">上传图片最大宽度 0:表示不限制上传图片宽度</param>
/// <param name="limitHeight">上传图片最大高度 0:表示不限制上传图片高度</param>
/// <param name="msg">上传成功或失败的提示信息</param>
/// <param name="imgName">上传成功后的文件名。若上传失败则为空</param>
/// <returns>true:表示上传成功 false:上传失败</returns>
public static bool UploadImage(int iswatermark, FileUpload fuUrl, string filePath, int limitSize, int limitWidth, int limitHeight, out string msg, out string imgName)
{
if (fuUrl.PostedFile.FileName.IsNullOrEmpty())
{
msg = "上传图片不能为空！";
imgName = "";
return(false);
}
if (limitSize > 0)
{
if (fuUrl.PostedFile.ContentLength > limitSize)
{
msg = "上传图片不能超过" + limitSize / 1024 + "M字节！";
imgName = "";
return(false);
}
}
string filepath = fuUrl.PostedFile.FileName; //得到的是文件的完整路径,包括文件名
string filename = filepath; //得到上传的文件名20022775_m.jpg
string suffix = FileManager.GetFileExtension(filename); //获得上传的图片的后缀名
if (!allowPic(suffix))
{
msg = "图片格式不正确，只能是jpg,gif,png格式";
imgName = "";
return(false);
}
if (limitWidth > 0 || limitHeight > 0) //表示限制了宽高
{
using (Stream stream = fuUrl.PostedFile.InputStream)
{
using (System.Drawing.Image img = System.Drawing.Image.FromStream(stream))
{
if (limitWidth > 0 && img.Width > limitWidth)
{
msg = "上传图片宽度不能超过" + limitWidth + "px！";
imgName = "";
return(false);
}
if (limitHeight > 0 && img.Height > limitHeight)
{
msg = "上传图片高度不能超过" + limitHeight + "px！";
imgName = "";
return(false);
}
stream.Close();
}
}
}
//上传的图片改名改名
filename = Utility.GetRandomNumber() + suffix;
string serverpath = HttpContext.Current.Server.MapPath(filePath + filename); //取得文件在服务器上保存的位置
fuUrl.PostedFile.SaveAs(serverpath); //将上传的文件另存为
msg = "上传成功！";
imgName = filename;;
//添加图片水印
string imageOldPath = HttpContext.Current.Server.MapPath(filePath + filename);
//EventLog.WriteLog(serverpath);
//EventLog.WriteLog(imageOldPath);
if (iswatermark == 1 && File.Exists(watermarkpic))
{
AddShuiYinPic(serverpath, imageOldPath, watermarkpic);
//AddShuiYinWord(serverpath, imageOldPath);
}
return(true);
}
