全角转半角函数、全角数字转半角数字

来源：互联网发布：怎么更改淘宝店铺头像编辑：程序博客网时间：2024/04/29 19:42

        private static char DoubleByteToHalfAngle(char c)
        {
            char[] cs = new char[] { c };
            byte[] bs = System.Text.Encoding.Unicode.GetBytes(cs, 0, 1);

            if (bs.Length == 2)
            {
                if (bs[1] == 255)
                {
                    bs[0] = (byte)(bs[0] + 32);
                    bs[1] = 0;
                    cs[0] = System.Text.Encoding.Unicode.GetChars(bs)[0];
                }
            }
            return cs[0];
        }

private static string ContentFilter(string str)
        {
            string[] arr = new string[10] { "０", "１", "２", "３", "４", "５", "６", "７", "８", "９" };
            //存储过滤后的数字
            string tempStr = "";
            for (int i = 0; i < str.Length; i++)
            {
                for (int j = 0; j < arr.Length; j++)
                {
                    //搜索到０－９全角数字然后转换半角保存下来
                    if (str[i] == Convert.ToChar(arr[j]))
                    {
                        tempStr += DoubleByteToHalfAngle(Convert.ToChar(str[i])).ToString();
                        break;
                    }
                    //搜索到半角数字然后保存下来
                    else if (j == arr.Length - 1)
                    {
                        if (IsNumeric(str[i].ToString()) == true)
                        {
                            tempStr += str[i];
                        }
                    }
                }
            }
            return tempStr;
        }

    /// <summary>
        /// 返回文本编辑器替换后的字符串
        /// </summary>
        /// <param name="str">要替换的字符串</param>
        /// <returns></returns>
        static public string GetHtmlEditReplace(string str)
        {
            #region
            return str.Replace("'", "''").Replace(" ", " ").Replace(",", "，").Replace("%", "％").Replace("script","").Replace(".js","");
            return str;
            #endregion
        }

Request.Browser.Browser == "Firefox"

var strHtml = '<html><style>{font-size:14px;line-height: 20px; margin:2px;}/ntd, a{color:#0000FF; font-size:14px;}</style><body>'+c

2010-05-06nt+'</body></html>';