百度的编码： str = System.Web.HttpUtility.UrlEncode("中文", System.Text.UnicodeEncoding.GetEncoding("GB2312")).ToUpper() 解码 System.Web.HttpUtility.UrlDecode("%C3%CF%CF%DC%BB%E1", System.Text.UnicodeEncoding.GetEncoding("GB2312")) string a = System.Web.HttpUtility.UrlEncode("孟宪会", System.Text.UnicodeEncoding.GetEncoding("GB2312")).ToUpper(); Response.Write(a); Response.Write(System.Web.HttpUtility.UrlDecode("%C3%CF%CF%DC%BB%E1", System.Text.UnicodeEncoding.GetEncoding("GB2312")));