C#发PDU格式串长短信源码

1 /**//// <summary> 2 /// 针对国内短信编码（USC2） 3 /// </summary> 4 public class PDUdecoding 5 { 6 public readonly static int MAX_CHAR_COUNT = 70;//最长可发送汉字个数 7 8 /**//// <summary> 9 /// 奇偶互换并补F 10 /// </summary> 11 /// <param name="value"></param> 12 /// <returns></returns> 13 private static string ParityChange(string value) 14 { 15 string result = string.Empty; 16 int length = value.Length; 17 for (int i = 1; i < length; i += 2)//奇偶互换 18 { 19 result += value[i]; 20 result += value[i - 1]; 21 } 22 23 if (!(length % 2 == 0))//不是偶数则加上F，与最后一位互换 24 { 25 result += 'F'; 26 result += value[length - 1]; 27 } 28 return result; 29 } 30 31 /**//// <summary> 32 /// 短信内容编码 33 /// </summary> 34 /// <param name="value"></param> 35 /// <returns></returns> 36 /// <remarks> 37 /// 采用Big-Endian 字节顺序的 Unicode 格式编码，将高低位互换 38 /// 将转换后的短信内容存进字节数组 39 /// 去掉在进行Unicode格式编码中，两个字节中的"-",例如：00-21，变成0021 40 /// 将整条短信内容的长度除2，保留两位16进制数 41 /// </remarks> 42 public static string Encoding(string value) 43 { 44 Encoding encoding = System.Text.Encoding.BigEndianUnicode; 45 string result = string.Empty; 46 byte[] bytes = encoding.GetBytes(value); 47 48 for (int i = 0; i < bytes.Length; i++) 49 { 50 result += BitConverter.ToString(bytes, i, 1); 51 } 52 53 return result; 54 } 55 56 public static string EncodeingAddLength(string value) 57 { 58 string result = Encoding(value); 59 return String.Format("{0:X2}{1}", result.Length / 2, result); 60 } 61 62 /**//// <summary> 63 /// 短信中心号码编码 64 /// </summary> 65 /// <param name="value"></param> 66 /// <returns></returns> 67 public static string DecodingCenter(string phone) 68 { 69 string result = string.Empty; 70 result = ParityChange(phone); 71 72 result = String.Format("91{0}", result);//加上91 73 result = String.Format("{0:X2}{1}", result.Length / 2, result); 74 return result; 75 } 76 77 /**//// <summary> 78 /// 接收短信手机号码编码 79 /// </summary> 80 /// <param name="phone"></param> 81 /// <returns></returns> 82 public static string DecodingPhone(string phone) 83 { 84 string result = string.Empty; 85 86 if (null == phone || 0 == phone.Length) 87 { 88 return result; 89 } 90 91 if ('+' == phone[0]) 92 { 93 phone = phone.TrimStart('+'); 94 } 95 96 if (!(phone.Substring(0, 2) == "86"))//补86 97 { 98 phone = String.Format("86{0}", phone); 99 }100101 return ParityChange(phone);102 }103104 /**//// <summary>105 /// 整个短信的编码106 /// </summary>107 /// <param name="center"></param>108 /// <param name="phone"></param>109 /// <param name="content"></param>110 /// <param name="length">要发送内容的长度,由两部分组成,接收手机号加上要发送的内容</param>111 /// <returns></returns>112 public static string EncodingSMS(string center, string phone, string content, out string length)113 {114 center = DecodingCenter(center);115 string result = String.Format("{0}11000D91{1}000800{2}", center, DecodingPhone(phone), EncodeingAddLength(content));116 length = String.Format("{0:D2}", result.Length / 2 - center.Length / 2);//获取短信内容加上手机号码长度117 return result;118 }119120 /**//// <summary>121 /// 超长短信122 /// </summary>123 /// <param name="center"></param>124 /// <param name="phone"></param>125 /// <param name="content"></param>126 /// <param name="count"></param>127 /// <param name="i"></param>128 /// <param name="length"></param>129 /// <returns></returns>130 public static string EncodingSMS(string center, string phone, string content,int count,int i, out string length)131 {132 if (content.Length <= PDUdecoding.MAX_CHAR_COUNT)133 {134 return PDUdecoding.EncodingSMS(center, phone, content, out length);135 }136 else137 {138 if (count - 1 == i)139 {140 content = content.Substring(i * (PDUdecoding.MAX_CHAR_COUNT-6));141 }142 else143 {144 content = content.Substring(i * (PDUdecoding.MAX_CHAR_COUNT-6), PDUdecoding.MAX_CHAR_COUNT-6);145 }146147 center = DecodingCenter(center);148 content = Encoding(content);149150 string result = "";151152 DateTime tm = DateTime.Now;153154 //result = string.Format("{0}44000D91{1}0008{2}{3:X2}05000304{4:D2}{5:D2}{6}",155 // center,156 // DecodingPhone(phone),157 // ParityChange(string.Format("{0:X2}{1:X2}{2:X2}{3:X2}{4:X2}{5:X2}08", tm.Year - 2000, tm.Month, tm.Day, tm.Hour, tm.Minute, tm.Second)),158 // (content.Length + 12) / 2,159 // count,160 // i + 1,161 // content162 // );163164 result = string.Format("005100{0}{1}0008A7{2:X2}05000304{3:D2}{4:D2}{5}",165 center,166 DecodingPhone(phone),167 (content.Length + 12) / 2,168 count,169 i + 1,170 content);171172 length = String.Format("{0:D2}", result.Length / 2 - center.Length / 2);//获取短信内容加上手机号码长度173 return result;174 }175 }176177 public static int GetMaxEncodeCharCount()178 {179 return PDUdecoding.MAX_CHAR_COUNT * 2 - 6;180 }181 /**//// <summary>182 /// 183 /// </summary>184 /// <param name="center"></param>185 /// <param name="phone"></param>186 /// <param name="count"></param>187 /// <param name="i"></param>188 /// <param name="content"></param>189 /// <param name="length"></param>190 /// <returns></returns>191 public static string EncodingSMS(string center, string phone, int count, int i, string content, out string length)192 {193 string message = string.Empty;194 int msgcount = PDUdecoding.GetMaxEncodeCharCount() * 2;//固定195196 if (i == count)197 {198 message = content.Substring((i - 1) * msgcount); //共可发送134个编码199 }200 else201 {202 message = content.Substring((i - 1) * msgcount, msgcount);203 }204205 center = DecodingCenter(center);206207 //string result = string.Format("005100{0}{1}0008A7{2:X2}05000304{3:D2}{4:D2}{5}",208 // center,209 // DecodingPhone(phone),210 // (message.Length + 12) / 2,211 // count,212 // i,213 // message);214215 //length = String.Format("{0:D2}", result.Length / 2 - center.Length / 2);//获取短信内容加上手机号码长度216217 /**/////string ph = phone;218 ////phone = DecodingPhone(phone).Substring(2);219220 ////string result = string.Format("005100{0}{1}0008A7{2:X2}05000304{3:D2}{4:D2}{5}",221 //// string.Format("{0:X2}A1", ph.Length),222 //// phone,223 //// (message.Length + 12) / 2,224 //// count,225 //// i,226 //// message);227228 string result = String.Format("{0}51000D91{1}000800{2:X2}05000304{4:D2}{5:D2}{3}",229 center, 230 DecodingPhone(phone),231 message.Length/2 + 6,232 message,233 count,234 i235 );236237 length = String.Format("{0:D2}", result.Length / 2 - center.Length / 2);//获取短信内容加上手机号码长度238239 return result;240 }241242 public static string EncodingOther(string content)243 {244 string result = string.Empty;245 byte[] bytes = System.Text.Encoding.BigEndianUnicode.GetBytes(content);246247 //for (int i = 0; i < bytes.Length; i++)248 //{249 // if (0x80 == (bytes[i] & 0x80))//汉字 6c49 108 73250 // {251 // result = string.Format("{0}{1:X2}", result, bytes[i]);252 // result = string.Format("{0}{1:X2}", result, bytes[++i]);253 // }254 // else255 // {256 // result = string.Format("{0}00{1:X2}", result, bytes[i]);257 // }258 //}259 foreach (char item in content)260 {261 bytes = System.Text.Encoding.BigEndianUnicode.GetBytes(new char[1]{item});262 if (bytes.Length < 2)263 continue;264265 //266 if (0x80 ==( Asc(item) & 0x80))//汉字267 {268 result = string.Format("{0}{1:X2}", result, bytes[0]);269 result = string.Format("{0}{1:X2}", result, bytes[1]);270 }271 else272 {273 result = string.Format("{0}00{1:X2}", result, bytes[1]);274 }275 }276 return result;277 }278279 private static int Asc(char item)280 {281 byte[] bytes = System.Text.Encoding.Default.GetBytes(new char[1] { item });282283 if (bytes.Length < 2)284 return bytes[0];285286 return bytes[0] * 256 + bytes[1] - 65535;287 }288 }