前不久看見一篇文章：在ASP.NET中使用Response.Filter 過濾網(wǎng)站敏感字符的解決方案。于是我借題發(fā)揮用Response.Filter 為MVC2.0 進(jìn)行多國語言本地化。如果存在不足的地方，希望您指出。

　　本文主要給出具體思路，希望能給讀者帶來一定的啟發(fā)：日常開發(fā)中不是所有的方案要中規(guī)中矩用常用方法解決問題。比如本文的本地化就不用resource文件來處理。

　　具體步驟：

　　一、建立自定義的LocalizationHandler類

　　LocalizationHandler 繼承System.IO.Stream類 ，LocalizationHandler實(shí)例化后賦值給Response.Filter。這里主要通過Response.Filter來本地化MVC2.0程序。具體的Response.Filter 用法請參看MSDN.代碼如下：

 public class LocalizationHandler : Stream    {        private Stream responseStream;        public LocalizationHandler(Stream inputStream)        {            responseStream = inputStream;        }        public override bool CanRead        {            get { return true; }        }        public override bool CanSeek        {            get { return true; }        }        public override bool CanWrite        {            get { return true; }        }        public override void Flush()        {            responseStream.Flush();        }        public override long Length        {            get { return 0; }        }        long postion;        public override long Position        {            get            {                return postion;            }            set            {                postion = value;            }        }        public override int Read(byte[] buffer, int offset, int count)        {            return responseStream.Read(buffer, offset, count);        }        public override long Seek(long offset, SeekOrigin origin)        {            return responseStream.Seek(offset, origin);        }        public override void SetLength(long value)        {            responseStream.SetLength(value);        }        public override void Write(byte[] buffer, int offset, int count)        {            string sBuffer = System.Text.UTF8Encoding.UTF8.GetString(buffer, offset, count);            string pattern = @"(|)=(.*?)(|)";//正則替換類似頁面格式為這樣的字符串如：=OtherContent            sBuffer = Regex.Replace(sBuffer, pattern, delegate(Match c)            {                return ReadLocalizationResource().FirstOrDefault(d = d.Key == c.Groups[2].Value).Value;            });            ReadLocalizationResource();            byte[] data = System.Text.UTF8Encoding.UTF8.GetBytes(sBuffer);            responseStream.Write(data, 0, data.Length);        }        ObjectCache cache = MemoryCache.Default;        private Dictionarystring, string ReadLocalizationResource()        {            string _XMLPath = "";            Dictionarystring, string cacheData = null;            if (cacheData != null)            {                return cacheData;            }            Dictionarystring, string cachedData = new Dictionarystring, string();            string serverPath = System.Web.HttpContext.Current.Server.MapPath("~");            _XMLPath = Path.Combine(serverPath, "LocalizationResource.xml");            //建立緩存（使用.NET4.0最新緩存機(jī)制：System.Runtime.Caching;）            if (cache["myCache"] == null)            {                CacheItemPolicy policy = new CacheItemPolicy();                policy.SlidingExpiration = TimeSpan.FromMinutes(60);                policy.ChangeMonitors.Add(new HostFileChangeMonitor(new Liststring { _XMLPath }));                var items = XElement.Load(_XMLPath).Elements("Module").Elements("item");                foreach (var item in items)                {                    string key = item.Attribute("name").Value;                    string value = item.Value;                    cachedData.Add(key, value);                }                cache.Set("myCache", cachedData, policy);                return cachedData;            }            return (Dictionarystring, string)cache["myCache"];        }    }

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