public class GF_Convert { /// /// 字符串 改换 char数组 /// /// /// /// < http://www.360123.info/linked/20130426.do returns> public static char[] string2chararray(string in_str, int in_len) { char[] ch = new char[in_len]; in_str.ToCharArray().CopyTo(ch, 0); return ch; } /// /// char数组 改换 字符串 /// /// /// public static string chararray2string(char[] in_str) { string out_str; out_str = new string(in_str); int i = out_str.IndexOf('\0', 0); if (i == -1) i = 16; return out_str.Substring(0, i); } /// /// byte数组 改换 字符串 /// /// /// public static string bytearray2string(byte[] in_str) { string out_str; out_str = System.Text.Encoding.Default.GetString(in_str); return out_str.Substring(0, out_str.IndexOf('\0', 0)); } /// /// 字符串 改换 byte数组 注重改换出来会使正本的bytearray长度变短 /// /// /// public static byte[] string2bytearray(string in_str) { return System.Text.Encoding.Default.GetBytes(in_str); } /// /// 字符串 改换 byte数组 长度为传如的长度 /// /// 传入字符串 /// 政策字节数组长度 /// public static byte[] string2bytearray(string in_str, int iLen) { byte[] bytes = new byte[iLen]; byte[] bsources=System.Text.Encoding.Default.GetBytes(in_str); Array.Copy(bsources, bytes, bsources.Length); return bytes; } /// /// 将字符串编码为Base64字符串 /// /// /// public static string Base64Encode(string str) { byte[] barray; barray = Encoding.Default.GetBytes(str); return Convert.ToBase64String(barray); } /// /// 将Base64字符串解码为通常字符串 /// /// /// public static string Base64Decode(string str) { byte[] barray; try { barray = Convert.FromBase64String(str); return Encoding.Default.GetString(barray); } catch { return str; } } /// /// 图画 改换 byte数组 /// /// /// /// public static byte[] image_Image2Byte(Image pic, System.Drawing.Imaging.ImageFormat fmt) { MemoryStream mem = new MemoryStream(); pic.Save(mem, fmt); mem.Flush(); return mem.ToArray(); } /// /// byte数组 改换 图画 /// /// /// public static Image image_Byte2Image(byte[] bytes) { MemoryStream mem = new MemoryStream(bytes, true); mem.Read(bytes, 0, bytes.Length); mem.Flush(); Image aa = Image.FromStream(mem); return aa; } /// /// ip 改换 长整形 /// /// /// public static long IP2Long(string strIP) { long[] ip = new long[4]; string[] s = strIP.Split('.'); ip[0] = long.Parse(s[0]); ip[1] = long.Parse(s[1]); ip[2] = long.Parse(s[2]); ip[3] = long.Parse(s[3]); return (ip[0] << 24) (ip[1] << 16) (ip[2] << 8) ip[3]; } /// /// 长整形 改换 IP /// /// /// public static string Long2IP(long longIP) { StringBuilder sb = new StringBuilder(""); sb.Append(longIP >> 24); sb.Append("."); //将高8方位0，然后右移16为 sb.Append((longIP http://www.qingdao2000.com/linked/20130426.do
