我希望这不是一个太愚蠢的问题,我已经看了5个不同的谷歌结果页面,但没有找到任何关于这方面的东西。
例如,我需要做的是将包含所有十六进制字符的字符串转换为ASCII
String fileName =
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
我看到的每一种方法都让人觉得你必须先把它放入一个数组中。有没有办法遍历这两个元素并将其转换?
发布于 2015-05-18 16:55:06
使用javax.xml.bind.DatatypeConverter
最简单的方法是:
String hex = "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";
byte[] s = DatatypeConverter.parseHexBinary(hex);
System.out.println(new String(s));
发布于 2011-01-25 02:42:25
String hexToAscii(String s) {
int n = s.length();
StringBuilder sb = new StringBuilder(n / 2);
for (int i = 0; i < n; i += 2) {
char a = s.charAt(i);
char b = s.charAt(i + 1);
sb.append((char) ((hexToInt(a) << 4) | hexToInt(b)));
}
return sb.toString();
}
private static int hexToInt(char ch) {
if ('a' <= ch && ch <= 'f') { return ch - 'a' + 10; }
if ('A' <= ch && ch <= 'F') { return ch - 'A' + 10; }
if ('0' <= ch && ch <= '9') { return ch - '0'; }
throw new IllegalArgumentException(String.valueOf(ch));
}
发布于 2011-01-25 02:40:34
查看Convert a string representation of a hex dump to a byte array using Java?
忽略编码等,你可以做new String (hexStringToByteArray("75546..."));
https://stackoverflow.com/questions/4785654
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