.Net MVC网站中配置文件的读写_实用技巧_

 using System.Configuration; namespace Ninesky.Models.Config { /// 
 /// 键值元素类 ///  /// 创建：2014.03.09 ///  /// 
 public class KeyValueElement:ConfigurationElement { /// 
 /// 键 /// 
 [ConfigurationProperty("key",IsRequired=true)] public string Key { get { return this["key"].ToString(); } set { this["key"] = value; } } /// 
 /// 值 /// 
 [ConfigurationProperty("value")] public string Value { get { return this["value"].ToString(); } set { this["value"] = value; } } } } 

 using System; using System.Configuration; namespace Ninesky.Models.Config { /// 
 /// 元素集合类 ///  /// 创建：2014.03.09 ///  /// 
 [ConfigurationCollection(typeof(KeyValueElement))] public class KeyValueElementCollection:ConfigurationElementCollection { //忽略大小写 public KeyValueElementCollection() : base(StringComparer.OrdinalIgnoreCase) { } /// 
 /// 集合中指定键的元素 /// 
 ///  ///  new public KeyValueElement this[string name] { get { return (KeyValueElement)base.BaseGet(name); } set { if (base.Properties.Contains(name)) base[name] = value; else base.BaseAdd(value); } } /// 
 /// 创建新元素. /// 必须重写 /// 
 ///  protected override ConfigurationElement CreateNewElement() { return new KeyValueElement(); } /// 
 /// 获取元素的键 /// 
 ///  ///  protected override object GetElementKey(ConfigurationElement element) { return ((KeyValueElement)element).Key; } } } 

 using System.Configuration; namespace Ninesky.Models.Config { /// 
 /// 上传设置配置节 ///  /// 创建：2014.03.09 ///  /// 
 public class UploadConfig:ConfigurationSection { private static ConfigurationProperty _property = new ConfigurationProperty(string.Empty, typeof(KeyValueElementCollection), null, ConfigurationPropertyOptions.IsDefaultCollection); /// 
 /// 配置列表 /// 
 [ConfigurationProperty("", Options = ConfigurationPropertyOptions.IsDefaultCollection)] private KeyValueElementCollection KeyValues { get { return (KeyValueElementCollection)base[_property]; } set { base[_property] = value; } } /// 
 /// 最大大小 /// 
 public int MaxSize { get { int _value =0; if (KeyValues["MaxSize"] != null) int.TryParse(KeyValues["MaxSize"].Value, out _value); return _value; } set { if (KeyValues["MaxSize"] == null) KeyValues["MaxSize"] = new KeyValueElement() { Key = "MaxSize", Value = value.ToString() }; else KeyValues["MaxSize"].Value = value.ToString(); } } /// 
 /// 上传目录 /// 为应用程序目录起的文件夹名，前面不带~/ /// 
 public string Path { get { if (KeyValues["Path"] == null) return "Upload"; return KeyValues["Path"].Value; } set { if (KeyValues["Path"] == null) KeyValues["Path"] = new KeyValueElement() { Key = "Path", Value = value }; else KeyValues["Path"].Value = value; } } /// 
 /// 允许上传的图片类型文件扩展，多个用“,”隔开 /// 
 public string ImageExt { get { if (KeyValues["ImageExt"] == null) return string.Empty; return KeyValues["ImageExt"].Value; } set { if (KeyValues["ImageExt"] == null) KeyValues["ImageExt"] = new KeyValueElement() { Key = "ImageExt", Value = value }; else KeyValues["ImageExt"].Value = value; } } /// 
 /// 允许上传的Flash类型文件扩展，多个用“,”隔开 /// 
 public string FlashExt { get { if (KeyValues["FlashExt"] == null) return string.Empty; return KeyValues["FlashExt"].Value; } set { if (KeyValues["FlashExt"] == null) KeyValues["FlashExt"] = new KeyValueElement() { Key = "FlashExt", Value = value }; else KeyValues["FlashExt"].Value = value; } } /// 
 /// 允许上传的媒体类型文件扩展，多个用“,”隔开 /// 
 public string MediaExt { get { if (KeyValues["MediaExt"] == null) return string.Empty; return KeyValues["MediaExt"].Value; } set { if (KeyValues["MediaExt"] == null) KeyValues["MediaExt"] = new KeyValueElement() { Key = "MediaExt", Value = value }; else KeyValues["MediaExt"].Value = value; } } /// 
 /// 允许上传的文件类型文件扩展，多个用“,”隔开 /// 
 public string FileExt { get { if (KeyValues["FileExt"] == null) return string.Empty; return KeyValues["FileExt"].Value; } set { if (KeyValues["FileExt"] == null) KeyValues["FileExt"] = new KeyValueElement() { Key = "FileExt", Value = value }; else KeyValues["FileExt"].Value = value; } } } } 

 var _uploadConfig = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("~").GetSection("UploadConfig") as Ninesky.Models.Config.UploadConfig; //文件最大限制 int _maxSize = _uploadConfig.MaxSize; //文件路径 string _fileParth = _uploadConfig.Path ; string _dirName; //允许上传的类型 Hashtable extTable = new Hashtable(); extTable.Add("image", _uploadConfig.ImageExt); extTable.Add("flash", _uploadConfig.FileExt); extTable.Add("media", _uploadConfig.MediaExt); extTable.Add("file", _uploadConfig.FileExt); 

 var _uploadConfig = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("~").GetSection("UploadConfig") as Ninesky.Models.Config.UploadConfig; //文件最大限制 int _maxSize = _uploadConfig.MaxSize; _uploadConfig.FileExt = "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2"; _uploadConfig.FlashExt = "swf,flv"; _uploadConfig.ImageExt = "gif,jpg,jpeg,png,bmp"; _uploadConfig.MediaExt = "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb"; _uploadConfig.Path = "Upload"; _uploadConfig.CurrentConfiguration.Save();