| 用好这些就够了吧 
 [C#] 纯文本查看 复制代码        #region Encoding
        /// <summary>
        /// 将字节数组转为字符串
        /// </summary>
        /// <param name="b">字节数组</param>
        /// <param name="e">编码,默认为Default</param>
        /// <returns>字符串</returns>
        public static string ByteToString(byte[] b, Encoding e = null)
        {
            return EncodingHelper.ByteToString(b, e);
        }
        /// <summary>
        /// 将字符串转为字节数组
        /// </summary>
        /// <param name="s">字符串</param>
        /// <param name="e">编码,默认为Default</param>
        /// <returns>字节数组</returns>
        public static byte[] StringToByte(string s, Encoding e = null)
        {
            return EncodingHelper.StringToByte(s, e);
        }
        #endregion
        #region Base64
        /// <summary>
        /// 将Base64编码解析成字符串
        /// </summary>
        /// <param name="strbase">要解码的string字符</param>
        /// <param name="encoding">字符编码方案</param>
        /// <returns>字符串</returns>
        public static string Base64ToString(string strbase, Encoding encoding)
        {
            return Base64Helper.Base64ToString(strbase, encoding);
        }
        /// <summary>
        /// 将字节数组为Base64编码
        /// </summary>
        /// <param name="bytebase">要编码的byte[]</param>
        /// <returns>base字符串</returns>
        public static string ByteToBase64(byte[] bytebase)
        {
            return Base64Helper.StringToBase64(bytebase);
        }
        /// <summary>
        /// 将字符串转为Base64编码
        /// </summary>
        /// <param name="str">要编码的string字符</param>
        /// <param name="encoding">字符编码方案</param>
        /// <returns>base字符串</returns>
        public static string StringToBase64(string str, Encoding encoding)
        {
            return Base64Helper.StringToBase64(str, encoding);
        }
        #endregion
 编辑转换就一句话
 string result = Encoding.Default.GetString(你要转的字符串);
 
 感觉意义不大,最主要是当页面内容获取之后你再转换是无效的,比如你使用Utf-8提取的内容,直接转为gbk基本不生效,只有从流中转才有意义。
 但既然是从流转了,那直接在获取时传入即可。
 
 
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