/**
* gZip解压方法
*
* @param data
* @return
*/
public static byte[] unGZip(byte[] data) {
byte[] b = null;
try {
ByteArrayInputStream bis = new ByteArrayInputStream(data);
GZIPInputStream gzip = new GZIPInputStream(bis);
byte[] buf = new byte[1024];
int num = -1;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
while ((num = gzip.read(buf, 0, buf.length)) != -1) {
baos.write(buf, 0, num);
}
b = baos.toByteArray();
baos.flush();
baos.close();
gzip.close();
bis.close();
} catch (Exception ex) {
ex.printStackTrace();
}
return b;
}
/* * 字符串压缩为字节数组 */
/**
* 压缩
*
* @param byt
* @return
*/
public static byte[] gZIP(byte[] byt) {
ByteArrayOutputStream out = new ByteArrayOutputStream();
GZIPOutputStream gzip;
try {
gzip = new GZIPOutputStream(out);
gzip.write(byt);
gzip.close();
} catch (IOException e) {
e.printStackTrace();
}
return out.toByteArray();
}
zip and unZip
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