Java 中二進(jìn)制轉(zhuǎn)換成十六進(jìn)制的兩種實(shí)現(xiàn)方法
每個(gè)字節(jié)轉(zhuǎn)成16進(jìn)制,方法1
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/** * 每個(gè)字節(jié)轉(zhuǎn)成16進(jìn)制,方法1 * * @param result */private static String toHex(byte[] result) { StringBuffer sb = new StringBuffer(result.length * 2); for (int i = 0; i < result.length; i++) { sb.append(Character.forDigit((result[i] & 240) >> 4, 16)); sb.append(Character.forDigit(result[i] & 15, 16)); } return sb.toString(); } |
每個(gè)字節(jié)轉(zhuǎn)成16進(jìn)制,方法2
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/** * 每個(gè)字節(jié)轉(zhuǎn)成16進(jìn)制,方法2 * * @param result * @return */private static String toHex2(byte[] result) { StringBuffer sb = new StringBuffer(result.length * 2); for (int i = 0; i < result.length; i++) { int hight = ((result[i] >> 4) & 0x0f); int low = result[i] & 0x0f; sb.append(hight > 9 ? (char) ((hight - 10) + 'a') : (char) (hight + '0')); sb.append(low > 9 ? (char) ((low - 10) + 'a') : (char) (low + '0')); } return sb.toString(); } |
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原文鏈接：http://blog.csdn.net/johnny901114/article/details/11539833
