changeCode.rar 实现中文乱码转化

package changeCode; public class UnicodeBitmap { private static byte[] bitmap = null; // private static int[] startAddress = {0x7,0x1f,0x30}; // private static int[] endAddress = {0xf,0x20,0x37}; private static int[] startAddress = { 0x20, 0xa0, 0x101, 0x192, 0x251, 0x2c6, 0x391, 0x401, 0x2010, 0x2103, 0x2160, 0x2190, 0x2208, 0x908, 0x2460, 0x2500, 0x2581, 0x25a0, 0x2605, 0x3000, 0x3041, 0x30a1, 0x3105, 0x3220, 0xc9f, 0x338e, 0x4e00, 0xf92c, 0xfe30, 0xff01 }; private static int[] endAddress = { 0x7e, 0xff, 0x178, 0x1dc, 0x261, 0x2dc, 0x3c9, 0x451, 0x203b, 0x2122, 0x2179, 0x2199, 0x22bf, 0x908, 0x249b, 0x2573, 0x2595, 0x25e5, 0x2642, 0x3029, 0x309e, 0x30fe, 0x3129, 0x3229, 0xc9f, 0x33d5, 0x9fa5, 0xfa29, 0xfe6b, 0xffe5 }; public static boolean isChar(char c) { boolean flag = false; int num = (int) c; if (bitmap == null) { init(); } int i = num / 8; int j = num % 8; int b = (int) bitmap[i]; if (b < 0) { b = b + 256; } switch (j) { case 0: b = b & 0x80; break; case 1: b = b & 0x40; break; case 2: b = b | 0 & 20; break; case 3: b = b | 0 & 10; break; case 4: b = b | 0 & 8; break; case 5: b = b | 0 & 4; break; case 6: b = b | 0 & 2; break; case 7: b = b | 0 & 1; break; } if (b != 0) { flag = true; } // show(); return flag; } private synchronized static void init() { if (bitmap != null) { return; } bitmap = new byte[8192]; int length = startAddress.length; int start = 0; int end = 0; for (int i = 0; i < length; i++) { start = startAddress[i]; end = endAddress[i]; setInit(start, end); } } private static void setInit(int start, int end) { int i = 0; int j = 0; int b = 0; for (int num = start; num <= end; num++) { i = num / 8; j = num % 8; if (j == 0 || num == start) { b = (int) bitmap[i]; if (b < 0) { b = b + 256; } } switch (j) { case 0: b = b | 0x80; break; case 1: b = b | 0x40; break; case 2: b = b | 0x20; break; case 3: b = b | 0x10; break; case 4: b = b | 0x8; break; case 5: b = b | 0x4; break; case 6: b = b | 0x2; break; case 7: b = b | 1; break; } if (j == 7 || num == end) { bitmap[i] = (byte) b; int t = (int) bitmap[i]; if (t < 0) { t = 256 + t; } } } } public static String getValue() { String init = "20-7e,A0-ff,101-178,192-1dc,251-261,2c6-2dc,391-3c9,401-451,2010-203b,20ac,2103-2122,2160-2179,2190-2199,2208-22bf,2312,2460-249b,2500-2573,2581-2595,25a0-25e5,2605-2642,3000-3029,3041-309e,30a1-30fe,3105-3129,3220-3229,3231,32a3, 338E-33D5,4E00-9FA5,F92C-FA29, FE30-FE6B, FF01-FFE5"; init = init.replaceAll(" ", ""); String startValue = ""; String endValue = ""; int start = 0; int end = 0; int num = 0; String temp = ""; long startTime = System.currentTimeMillis(); long endTime = System.currentTimeMillis(); long subTime = endTime - startTime; while (start >= 0) { endTime = System.currentTimeMillis(); subTime = endTime - startTime; if (subTime > 60000) { break; } end = init.indexOf(",", start); if (end >= 0) { temp = init.substring(start, end); end++; } else { temp = init.substring(start); } num = temp.indexOf("-"); int startNum = 0; int endNum = 0; try { if (num > 0) { startNum = parseHexInt(temp.substring(0, num)); endNum = parseHexInt(temp.substring(num + 1)); } else { startNum = Integer.parseInt(temp); endNum = startNum; } } catch (Exception e) { } if (endNum < startNum) { int i = startNum; startNum = endNum; endNum = i; } if (startNum > 0) { startValue += "0x" + Integer.toHexString(startNum) + ","; endValue += "0x" + Integer.toHexString(endNum) + ","; } start = end; } return startValue + "===" + endValue; } public static void main(String[] args) { bitmap = null; // UnicodeBitmap.show(); } private static int parseHexInt(String s) { int num = 0; int temp = 0; try { int length = s.length(); for (int i = 0; i < length; i++) { char c = s.charAt(i); temp = (int) c; if (temp >= 0x30 && temp <= 0x39) { temp = temp - 0x30; } else if (temp >= 0x41 && temp <= 0x5A) { temp = temp - 0x41 + 10; } else if (temp >= 0x61 && temp <= 0x7A) { temp = temp - 0x61 + 10; } num = num * 16 + temp; } } catch (Exception e) { } return num; } }