1 /// <summary>
2 /// 压缩
3 /// </summary>
4 /// <param name="value">需要压缩字符串</param>
5 /// <returns>结果</returns>
6 public static string Compression(string value)
7 {
8 byte[] data = Encoding.UTF8.GetBytes(value);
9 using (MemoryStream ms = new MemoryStream())
10 {
11 using (GZipStream compressedzipStream = new GZipStream(ms, CompressionMode.Compress, true))
12 {
13 compressedzipStream.Write(data, 0, data.Length);
14 }
15 return Convert.ToBase64String(ms.ToArray());
16 }
17 }
18
19 /// <summary>
20 /// 解压
21 /// </summary>
22 /// <param name="value">需要解压字符串</param>
23 /// <returns>结果</returns>
24 public static string Decompress(string value)
25 {
26 byte[] data = Convert.FromBase64String(value);
27 using (MemoryStream ms = new MemoryStream(data))
28 {
29 using (GZipStream compressedzipStream = new GZipStream(ms, CompressionMode.Decompress))
30 {
31 using (MemoryStream outBuffer = new MemoryStream())
32 {
33 byte[] block = new byte[1024];
34 int bytesRead = compressedzipStream.Read(block, 0, block.Length);
35 outBuffer.Write(block, 0, bytesRead);
36 return Encoding.UTF8.GetString(outBuffer.ToArray());
37 }
38 }
39 }
40 }
/// <summary>
/// 解压(数据量过大的时候解压)
/// </summary>
/// <param name="value">需要解压字符串</param>
/// <returns>结果</returns>
public static string Decompress(string value)
{
byte[] data = Convert.FromBase64String(value);
using (MemoryStream ms = new MemoryStream(data))
{
using (GZipStream compressedzipStream = new GZipStream(ms, CompressionMode.Decompress))
{
using (MemoryStream outBuffer = new MemoryStream())
{
byte[] block = new byte[1024];
int bytesRead;
do
{
bytesRead = compressedzipStream.Read(block, 0, block.Length);
outBuffer.Write(block, 0, bytesRead);
} while (bytesRead > 0);
return Encoding.UTF8.GetString(outBuffer.ToArray());
}
}
}
}
1 /// <summary>
2 /// 测试
3 /// </summary>
4 public static void TT()
5 {
6 var json = "{\"Key\":\"Value\"}";
7 var ys = Compression(json);
8 var jy = Decompress(ys);
9 }
