diff --git a/njcn-common/src/main/java/com/njcn/common/utils/sm/Sm4.java b/njcn-common/src/main/java/com/njcn/common/utils/sm/Sm4.java
new file mode 100644
index 0000000..0c4b978
--- /dev/null
+++ b/njcn-common/src/main/java/com/njcn/common/utils/sm/Sm4.java
@@ -0,0 +1,306 @@
+package com.njcn.common.utils.sm;
+
+/**
+ * @author caozehui
+ * @data 2024/11/10
+ */
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+
+public class Sm4 {
+ public static final int SM4_ENCRYPT = 1;
+
+ public static final int SM4_DECRYPT = 0;
+
+ private long GET_ULONG_BE(byte[] b, int i) {
+ long n = (long) (b[i] & 0xff) << 24 | (long) ((b[i + 1] & 0xff) << 16) | (long) ((b[i + 2] & 0xff) << 8) | (long) (b[i + 3] & 0xff) & 0xffffffffL;
+ return n;
+ }
+
+ private void PUT_ULONG_BE(long n, byte[] b, int i) {
+ b[i] = (byte) (int) (0xFF & n >> 24);
+ b[i + 1] = (byte) (int) (0xFF & n >> 16);
+ b[i + 2] = (byte) (int) (0xFF & n >> 8);
+ b[i + 3] = (byte) (int) (0xFF & n);
+ }
+
+ private long SHL(long x, int n) {
+ return (x & 0xFFFFFFFF) << n;
+ }
+
+ private long ROTL(long x, int n) {
+ return SHL(x, n) | x >> (32 - n);
+ }
+
+ private void SWAP(long[] sk, int i) {
+ long t = sk[i];
+ sk[i] = sk[(31 - i)];
+ sk[(31 - i)] = t;
+ }
+
+ public static final byte[] SboxTable = {(byte) 0xd6, (byte) 0x90, (byte) 0xe9, (byte) 0xfe,
+ (byte) 0xcc, (byte) 0xe1, 0x3d, (byte) 0xb7, 0x16, (byte) 0xb6,
+ 0x14, (byte) 0xc2, 0x28, (byte) 0xfb, 0x2c, 0x05, 0x2b, 0x67,
+ (byte) 0x9a, 0x76, 0x2a, (byte) 0xbe, 0x04, (byte) 0xc3,
+ (byte) 0xaa, 0x44, 0x13, 0x26, 0x49, (byte) 0x86, 0x06,
+ (byte) 0x99, (byte) 0x9c, 0x42, 0x50, (byte) 0xf4, (byte) 0x91,
+ (byte) 0xef, (byte) 0x98, 0x7a, 0x33, 0x54, 0x0b, 0x43,
+ (byte) 0xed, (byte) 0xcf, (byte) 0xac, 0x62, (byte) 0xe4,
+ (byte) 0xb3, 0x1c, (byte) 0xa9, (byte) 0xc9, 0x08, (byte) 0xe8,
+ (byte) 0x95, (byte) 0x80, (byte) 0xdf, (byte) 0x94, (byte) 0xfa,
+ 0x75, (byte) 0x8f, 0x3f, (byte) 0xa6, 0x47, 0x07, (byte) 0xa7,
+ (byte) 0xfc, (byte) 0xf3, 0x73, 0x17, (byte) 0xba, (byte) 0x83,
+ 0x59, 0x3c, 0x19, (byte) 0xe6, (byte) 0x85, 0x4f, (byte) 0xa8,
+ 0x68, 0x6b, (byte) 0x81, (byte) 0xb2, 0x71, 0x64, (byte) 0xda,
+ (byte) 0x8b, (byte) 0xf8, (byte) 0xeb, 0x0f, 0x4b, 0x70, 0x56,
+ (byte) 0x9d, 0x35, 0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, (byte) 0xd1,
+ (byte) 0xa2, 0x25, 0x22, 0x7c, 0x3b, 0x01, 0x21, 0x78, (byte) 0x87,
+ (byte) 0xd4, 0x00, 0x46, 0x57, (byte) 0x9f, (byte) 0xd3, 0x27,
+ 0x52, 0x4c, 0x36, 0x02, (byte) 0xe7, (byte) 0xa0, (byte) 0xc4,
+ (byte) 0xc8, (byte) 0x9e, (byte) 0xea, (byte) 0xbf, (byte) 0x8a,
+ (byte) 0xd2, 0x40, (byte) 0xc7, 0x38, (byte) 0xb5, (byte) 0xa3,
+ (byte) 0xf7, (byte) 0xf2, (byte) 0xce, (byte) 0xf9, 0x61, 0x15,
+ (byte) 0xa1, (byte) 0xe0, (byte) 0xae, 0x5d, (byte) 0xa4,
+ (byte) 0x9b, 0x34, 0x1a, 0x55, (byte) 0xad, (byte) 0x93, 0x32,
+ 0x30, (byte) 0xf5, (byte) 0x8c, (byte) 0xb1, (byte) 0xe3, 0x1d,
+ (byte) 0xf6, (byte) 0xe2, 0x2e, (byte) 0x82, 0x66, (byte) 0xca,
+ 0x60, (byte) 0xc0, 0x29, 0x23, (byte) 0xab, 0x0d, 0x53, 0x4e, 0x6f,
+ (byte) 0xd5, (byte) 0xdb, 0x37, 0x45, (byte) 0xde, (byte) 0xfd,
+ (byte) 0x8e, 0x2f, 0x03, (byte) 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b,
+ 0x51, (byte) 0x8d, 0x1b, (byte) 0xaf, (byte) 0x92, (byte) 0xbb,
+ (byte) 0xdd, (byte) 0xbc, 0x7f, 0x11, (byte) 0xd9, 0x5c, 0x41,
+ 0x1f, 0x10, 0x5a, (byte) 0xd8, 0x0a, (byte) 0xc1, 0x31,
+ (byte) 0x88, (byte) 0xa5, (byte) 0xcd, 0x7b, (byte) 0xbd, 0x2d,
+ 0x74, (byte) 0xd0, 0x12, (byte) 0xb8, (byte) 0xe5, (byte) 0xb4,
+ (byte) 0xb0, (byte) 0x89, 0x69, (byte) 0x97, 0x4a, 0x0c,
+ (byte) 0x96, 0x77, 0x7e, 0x65, (byte) 0xb9, (byte) 0xf1, 0x09,
+ (byte) 0xc5, 0x6e, (byte) 0xc6, (byte) 0x84, 0x18, (byte) 0xf0,
+ 0x7d, (byte) 0xec, 0x3a, (byte) 0xdc, 0x4d, 0x20, 0x79,
+ (byte) 0xee, 0x5f, 0x3e, (byte) 0xd7, (byte) 0xcb, 0x39, 0x48};
+
+ public static final int[] FK = {0xa3b1bac6, 0x56aa3350, 0x677d9197, 0xb27022dc};
+
+ public static final int[] CK = {0x00070e15, 0x1c232a31, 0x383f464d, 0x545b6269,
+ 0x70777e85, 0x8c939aa1, 0xa8afb6bd, 0xc4cbd2d9,
+ 0xe0e7eef5, 0xfc030a11, 0x181f262d, 0x343b4249,
+ 0x50575e65, 0x6c737a81, 0x888f969d, 0xa4abb2b9,
+ 0xc0c7ced5, 0xdce3eaf1, 0xf8ff060d, 0x141b2229,
+ 0x30373e45, 0x4c535a61, 0x686f767d, 0x848b9299,
+ 0xa0a7aeb5, 0xbcc3cad1, 0xd8dfe6ed, 0xf4fb0209,
+ 0x10171e25, 0x2c333a41, 0x484f565d, 0x646b7279};
+
+ private byte sm4Sbox(byte inch) {
+ int i = inch & 0xFF;
+ byte retVal = SboxTable[i];
+ return retVal;
+ }
+
+ private long sm4Lt(long ka) {
+ long bb = 0L;
+ long c = 0L;
+ byte[] a = new byte[4];
+ byte[] b = new byte[4];
+ PUT_ULONG_BE(ka, a, 0);
+ b[0] = sm4Sbox(a[0]);
+ b[1] = sm4Sbox(a[1]);
+ b[2] = sm4Sbox(a[2]);
+ b[3] = sm4Sbox(a[3]);
+ bb = GET_ULONG_BE(b, 0);
+ c = bb ^ ROTL(bb, 2) ^ ROTL(bb, 10) ^ ROTL(bb, 18) ^ ROTL(bb, 24);
+ return c;
+ }
+
+ private long sm4F(long x0, long x1, long x2, long x3, long rk) {
+ return x0 ^ sm4Lt(x1 ^ x2 ^ x3 ^ rk);
+ }
+
+ private long sm4CalciRK(long ka) {
+ long bb = 0L;
+ long rk = 0L;
+ byte[] a = new byte[4];
+ byte[] b = new byte[4];
+ PUT_ULONG_BE(ka, a, 0);
+ b[0] = sm4Sbox(a[0]);
+ b[1] = sm4Sbox(a[1]);
+ b[2] = sm4Sbox(a[2]);
+ b[3] = sm4Sbox(a[3]);
+ bb = GET_ULONG_BE(b, 0);
+ rk = bb ^ ROTL(bb, 13) ^ ROTL(bb, 23);
+ return rk;
+ }
+
+ private void sm4_setkey(long[] SK, byte[] key) {
+ long[] MK = new long[4];
+ long[] k = new long[36];
+ int i = 0;
+ MK[0] = GET_ULONG_BE(key, 0);
+ MK[1] = GET_ULONG_BE(key, 4);
+ MK[2] = GET_ULONG_BE(key, 8);
+ MK[3] = GET_ULONG_BE(key, 12);
+ k[0] = MK[0] ^ (long) FK[0];
+ k[1] = MK[1] ^ (long) FK[1];
+ k[2] = MK[2] ^ (long) FK[2];
+ k[3] = MK[3] ^ (long) FK[3];
+ for (; i < 32; i++) {
+ k[(i + 4)] = (k[i] ^ sm4CalciRK(k[(i + 1)] ^ k[(i + 2)] ^ k[(i + 3)] ^ (long) CK[i]));
+ SK[i] = k[(i + 4)];
+ }
+ }
+
+ private void sm4_one_round(long[] sk, byte[] input, byte[] output) {
+ int i = 0;
+ long[] ulbuf = new long[36];
+ ulbuf[0] = GET_ULONG_BE(input, 0);
+ ulbuf[1] = GET_ULONG_BE(input, 4);
+ ulbuf[2] = GET_ULONG_BE(input, 8);
+ ulbuf[3] = GET_ULONG_BE(input, 12);
+ while (i < 32) {
+ ulbuf[(i + 4)] = sm4F(ulbuf[i], ulbuf[(i + 1)], ulbuf[(i + 2)], ulbuf[(i + 3)], sk[i]);
+ i++;
+ }
+ PUT_ULONG_BE(ulbuf[35], output, 0);
+ PUT_ULONG_BE(ulbuf[34], output, 4);
+ PUT_ULONG_BE(ulbuf[33], output, 8);
+ PUT_ULONG_BE(ulbuf[32], output, 12);
+ }
+
+ private byte[] padding(byte[] input, int mode) {
+ if (input == null) {
+ return null;
+ }
+
+ byte[] ret = (byte[]) null;
+ if (mode == SM4_ENCRYPT) {
+ int p = 16 - input.length % 16;
+ ret = new byte[input.length + p];
+ System.arraycopy(input, 0, ret, 0, input.length);
+ for (int i = 0; i < p; i++) {
+ //ret[input.length + i] = (byte) p;
+ ret[input.length + i] = 0;
+ }
+ } else {
+ int p = input[input.length - 1];
+ ret = new byte[input.length - p];
+ System.arraycopy(input, 0, ret, 0, input.length - p);
+ }
+ return ret;
+ }
+
+ public void sm4_setkey_enc(Sm4Context ctx, byte[] key) throws Exception {
+ if (ctx == null) {
+ throw new Exception("ctx is null!");
+ }
+
+ if (key == null || key.length != 16) {
+ throw new Exception("key error!");
+ }
+
+ ctx.mode = SM4_ENCRYPT;
+ sm4_setkey(ctx.sk, key);
+ }
+
+ public void sm4_setkey_dec(Sm4Context ctx, byte[] key) throws Exception {
+ if (ctx == null) {
+ throw new Exception("ctx is null!");
+ }
+
+ if (key == null || key.length != 16) {
+ throw new Exception("key error!");
+ }
+
+ int i = 0;
+ ctx.mode = SM4_DECRYPT;
+ sm4_setkey(ctx.sk, key);
+ for (i = 0; i < 16; i++) {
+ SWAP(ctx.sk, i);
+ }
+ }
+
+ public byte[] sm4_crypt_ecb(Sm4Context ctx, byte[] input) throws Exception {
+ if (input == null) {
+ throw new Exception("input is null!");
+ }
+ String str1 = Util.getHexString(input);
+ if ((ctx.isPadding) && (ctx.mode == SM4_ENCRYPT)) {
+ input = padding(input, SM4_ENCRYPT);
+ }
+ String str2 = Util.getHexString(input);
+ int length = input.length;
+ ByteArrayInputStream bins = new ByteArrayInputStream(input);
+ ByteArrayOutputStream bous = new ByteArrayOutputStream();
+ for (; length > 0; length -= 16) {
+ byte[] in = new byte[16];
+ byte[] out = new byte[16];
+ bins.read(in);
+ sm4_one_round(ctx.sk, in, out);
+ bous.write(out);
+ }
+
+ byte[] output = bous.toByteArray();
+ if (ctx.isPadding && ctx.mode == SM4_DECRYPT) {
+ output = padding(output, SM4_DECRYPT);
+ }
+ bins.close();
+ bous.close();
+ return output;
+ }
+
+ public byte[] sm4_crypt_cbc(Sm4Context ctx, byte[] iv, byte[] input) throws Exception {
+ if (iv == null || iv.length != 16) {
+ throw new Exception("iv error!");
+ }
+
+ if (input == null) {
+ throw new Exception("input is null!");
+ }
+
+ if (ctx.isPadding && ctx.mode == SM4_ENCRYPT) {
+ input = padding(input, SM4_ENCRYPT);
+ }
+
+ int i = 0;
+ int length = input.length;
+ ByteArrayInputStream bins = new ByteArrayInputStream(input);
+ ByteArrayOutputStream bous = new ByteArrayOutputStream();
+ if (ctx.mode == SM4_ENCRYPT) {
+ for (; length > 0; length -= 16) {
+ byte[] in = new byte[16];
+ byte[] out = new byte[16];
+ byte[] out1 = new byte[16];
+
+ bins.read(in);
+ for (i = 0; i < 16; i++) {
+ out[i] = ((byte) (in[i] ^ iv[i]));
+ }
+ sm4_one_round(ctx.sk, out, out1);
+ System.arraycopy(out1, 0, iv, 0, 16);
+ bous.write(out1);
+ }
+ } else {
+ byte[] temp = new byte[16];
+ for (; length > 0; length -= 16) {
+ byte[] in = new byte[16];
+ byte[] out = new byte[16];
+ byte[] out1 = new byte[16];
+
+ bins.read(in);
+ System.arraycopy(in, 0, temp, 0, 16);
+ sm4_one_round(ctx.sk, in, out);
+ for (i = 0; i < 16; i++) {
+ out1[i] = ((byte) (out[i] ^ iv[i]));
+ }
+ System.arraycopy(temp, 0, iv, 0, 16);
+ bous.write(out1);
+ }
+ }
+
+ byte[] output = bous.toByteArray();
+ if (ctx.isPadding && ctx.mode == SM4_DECRYPT) {
+ output = padding(output, SM4_DECRYPT);
+ }
+ bins.close();
+ bous.close();
+ return output;
+ }
+}
diff --git a/njcn-common/src/main/java/com/njcn/common/utils/sm/Sm4Context.java b/njcn-common/src/main/java/com/njcn/common/utils/sm/Sm4Context.java
new file mode 100644
index 0000000..05cbc14
--- /dev/null
+++ b/njcn-common/src/main/java/com/njcn/common/utils/sm/Sm4Context.java
@@ -0,0 +1,18 @@
+package com.njcn.common.utils.sm;
+
+/**
+ * @author yexibao
+ */
+public class Sm4Context {
+ public int mode;
+
+ public long[] sk;
+
+ public boolean isPadding;
+
+ public Sm4Context() {
+ this.mode = 1;
+ this.isPadding = true;
+ this.sk = new long[32];
+ }
+}
diff --git a/njcn-common/src/main/java/com/njcn/common/utils/sm/Sm4Utils.java b/njcn-common/src/main/java/com/njcn/common/utils/sm/Sm4Utils.java
new file mode 100644
index 0000000..dbfb0b2
--- /dev/null
+++ b/njcn-common/src/main/java/com/njcn/common/utils/sm/Sm4Utils.java
@@ -0,0 +1,147 @@
+package com.njcn.common.utils.sm;
+
+import sun.misc.BASE64Decoder;
+import sun.misc.BASE64Encoder;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @author yexibao
+ */
+public class Sm4Utils {
+ //全局秘钥
+ public final static String globalSecretKey = "11HDESaAhiHHug2z";
+
+ private String secretKey = "";
+
+ private String iv = "";
+
+ private final boolean HEX_STRING = false;
+
+ public String getSecretKey() {
+ return secretKey;
+ }
+
+ public void setSecretKey(String secretKey) {
+ this.secretKey = secretKey;
+ }
+
+ public String getIv() {
+ return iv;
+ }
+
+ public void setIv(String iv) {
+ this.iv = iv;
+ }
+
+ public Sm4Utils(String secretKey) {
+ this.secretKey = secretKey;
+ }
+
+ public String encryptData_ECB(String plainText) {
+ try {
+ Sm4Context ctx = new Sm4Context();
+ ctx.isPadding = true;
+ ctx.mode = Sm4.SM4_ENCRYPT;
+
+ byte[] keyBytes;
+ if (HEX_STRING) {
+ keyBytes = Util.hexStringToBytes(secretKey);
+ } else {
+ keyBytes = secretKey.getBytes();
+ }
+
+ Sm4 sm4 = new Sm4();
+ sm4.sm4_setkey_enc(ctx, keyBytes);
+ byte[] encrypted = sm4.sm4_crypt_ecb(ctx, plainText.getBytes("GBK"));
+ String cipherText = new BASE64Encoder().encode(encrypted);
+ if (cipherText != null && cipherText.trim().length() > 0) {
+ Pattern p = Pattern.compile("\\s*|\t|\r|\n");
+ Matcher m = p.matcher(cipherText);
+ cipherText = m.replaceAll("");
+ }
+ return cipherText;
+ } catch (Exception e) {
+ return null;
+ }
+ }
+
+ public String decryptData_ECB(String cipherText) {
+ try {
+ Sm4Context ctx = new Sm4Context();
+ ctx.isPadding = true;
+ ctx.mode = Sm4.SM4_DECRYPT;
+
+ byte[] keyBytes;
+ if (HEX_STRING) {
+ keyBytes = Util.hexStringToBytes(secretKey);
+ } else {
+ keyBytes = secretKey.getBytes();
+ }
+
+ Sm4 sm4 = new Sm4();
+ sm4.sm4_setkey_dec(ctx, keyBytes);
+ byte[] decrypted = sm4.sm4_crypt_ecb(ctx, new BASE64Decoder().decodeBuffer(cipherText));
+ return new String(decrypted, "GBK");
+ } catch (Exception e) {
+ return null;
+ }
+ }
+
+ public String encryptData_CBC(String plainText) {
+ try {
+ Sm4Context ctx = new Sm4Context();
+ ctx.isPadding = true;
+ ctx.mode = Sm4.SM4_ENCRYPT;
+
+ byte[] keyBytes;
+ byte[] ivBytes;
+ if (HEX_STRING) {
+ keyBytes = Util.hexStringToBytes(secretKey);
+ ivBytes = Util.hexStringToBytes(iv);
+ } else {
+ keyBytes = secretKey.getBytes();
+ ivBytes = iv.getBytes();
+ }
+
+ Sm4 sm4 = new Sm4();
+ sm4.sm4_setkey_enc(ctx, keyBytes);
+ byte[] encrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, plainText.getBytes("GBK"));
+ String cipherText = new BASE64Encoder().encode(encrypted);
+ if (cipherText != null && cipherText.trim().length() > 0) {
+ Pattern p = Pattern.compile("\\s*|\t|\r|\n");
+ Matcher m = p.matcher(cipherText);
+ cipherText = m.replaceAll("");
+ }
+ return cipherText;
+ } catch (Exception e) {
+ return null;
+ }
+ }
+
+ public String decryptData_CBC(String cipherText) {
+ try {
+ Sm4Context ctx = new Sm4Context();
+ ctx.isPadding = true;
+ ctx.mode = Sm4.SM4_DECRYPT;
+
+ byte[] keyBytes;
+ byte[] ivBytes;
+ if (HEX_STRING) {
+ keyBytes = Util.hexStringToBytes(secretKey);
+ ivBytes = Util.hexStringToBytes(iv);
+ } else {
+ keyBytes = secretKey.getBytes();
+ ivBytes = iv.getBytes();
+ }
+
+ Sm4 sm4 = new Sm4();
+ sm4.sm4_setkey_dec(ctx, keyBytes);
+ byte[] decrypted = sm4.sm4_crypt_cbc(ctx, ivBytes, new BASE64Decoder().decodeBuffer(cipherText));
+ return new String(decrypted, "GBK");
+ } catch (Exception e) {
+ return null;
+ }
+ }
+}
diff --git a/njcn-common/src/main/java/com/njcn/common/utils/sm/Util.java b/njcn-common/src/main/java/com/njcn/common/utils/sm/Util.java
new file mode 100644
index 0000000..3730cba
--- /dev/null
+++ b/njcn-common/src/main/java/com/njcn/common/utils/sm/Util.java
@@ -0,0 +1,627 @@
+package com.njcn.common.utils.sm;
+
+import java.math.BigInteger;
+
+/**
+ * @author yexibao
+ */
+public class Util {
+
+ /**
+ * 整形转换成网络传输的字节流（字节数组）型数据
+ *
+ * @param num 一个整型数据
+ * @return 4个字节的自己数组
+ */
+ public static byte[] intToBytes(int num) {
+ byte[] bytes = new byte[4];
+ bytes[0] = (byte) (0xff & (num >> 0));
+ bytes[1] = (byte) (0xff & (num >> 8));
+ bytes[2] = (byte) (0xff & (num >> 16));
+ bytes[3] = (byte) (0xff & (num >> 24));
+ return bytes;
+ }
+
+ /**
+ * 四个字节的字节数据转换成一个整形数据
+ *
+ * @param bytes 4个字节的字节数组
+ * @return 一个整型数据
+ */
+ public static int byteToInt(byte[] bytes) {
+ int num = 0;
+ int temp;
+ temp = (0x000000ff & (bytes[0])) << 0;
+ num = num | temp;
+ temp = (0x000000ff & (bytes[1])) << 8;
+ num = num | temp;
+ temp = (0x000000ff & (bytes[2])) << 16;
+ num = num | temp;
+ temp = (0x000000ff & (bytes[3])) << 24;
+ num = num | temp;
+ return num;
+ }
+
+ /**
+ * 长整形转换成网络传输的字节流（字节数组）型数据
+ *
+ * @param num 一个长整型数据
+ * @return 4个字节的自己数组
+ */
+ public static byte[] longToBytes(long num) {
+ byte[] bytes = new byte[8];
+ for (int i = 0; i < 8; i++) {
+ bytes[i] = (byte) (0xff & (num >> (i * 8)));
+ }
+
+ return bytes;
+ }
+
+ /**
+ * 大数字转换字节流（字节数组）型数据
+ */
+ public static byte[] byteConvert32Bytes(BigInteger n) {
+ byte tmpd[] = (byte[]) null;
+ if (n == null) {
+ return null;
+ }
+
+ if (n.toByteArray().length == 33) {
+ tmpd = new byte[32];
+ System.arraycopy(n.toByteArray(), 1, tmpd, 0, 32);
+ } else if (n.toByteArray().length == 32) {
+ tmpd = n.toByteArray();
+ } else {
+ tmpd = new byte[32];
+ for (int i = 0; i < 32 - n.toByteArray().length; i++) {
+ tmpd[i] = 0;
+ }
+ System.arraycopy(n.toByteArray(), 0, tmpd, 32 - n.toByteArray().length, n.toByteArray().length);
+ }
+ return tmpd;
+ }
+
+ /**
+ * 换字节流（字节数组）型数据转大数字
+ *
+ * @param b
+ * @return
+ */
+ public static BigInteger byteConvertInteger(byte[] b) {
+ if (b[0] < 0) {
+ byte[] temp = new byte[b.length + 1];
+ temp[0] = 0;
+ System.arraycopy(b, 0, temp, 1, b.length);
+ return new BigInteger(temp);
+ }
+ return new BigInteger(b);
+ }
+
+ /**
+ * 根据字节数组获得值(十六进制数字)
+ *
+ * @param bytes
+ * @return
+ */
+ public static String getHexString(byte[] bytes) {
+ return getHexString(bytes, true);
+ }
+
+ /**
+ * 根据字节数组获得值(十六进制数字)
+ *
+ * @param bytes
+ * @param upperCase
+ * @return
+ */
+ public static String getHexString(byte[] bytes, boolean upperCase) {
+ String ret = "";
+ for (int i = 0; i < bytes.length; i++) {
+ ret += Integer.toString((bytes[i] & 0xff) + 0x100, 16).substring(1);
+ }
+ return upperCase ? ret.toUpperCase() : ret;
+ }
+
+ /**
+ * 打印十六进制字符串
+ *
+ * @param bytes
+ */
+ public static void printHexString(byte[] bytes) {
+ for (int i = 0; i < bytes.length; i++) {
+ String hex = Integer.toHexString(bytes[i] & 0xFF);
+ if (hex.length() == 1) {
+ hex = '0' + hex;
+ }
+ }
+ }
+
+ /**
+ * Convert hex string to byte[]
+ *
+ * @param hexString the hex string
+ * @return byte[]
+ */
+ public static byte[] hexStringToBytes(String hexString) {
+ if (hexString == null || hexString.equals("")) {
+ return null;
+ }
+
+ hexString = hexString.toUpperCase();
+ int length = hexString.length() / 2;
+ char[] hexChars = hexString.toCharArray();
+ byte[] d = new byte[length];
+ for (int i = 0; i < length; i++) {
+ int pos = i * 2;
+ d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
+ }
+ return d;
+ }
+
+ /**
+ * Convert char to byte
+ *
+ * @param c char
+ * @return byte
+ */
+ public static byte charToByte(char c) {
+ return (byte) "0123456789ABCDEF".indexOf(c);
+ }
+
+ /**
+ * 用于建立十六进制字符的输出的小写字符数组
+ */
+ private static final char[] DIGITS_LOWER = {'0', '1', '2', '3', '4', '5',
+ '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
+
+ /**
+ * 用于建立十六进制字符的输出的大写字符数组
+ */
+ private static final char[] DIGITS_UPPER = {'0', '1', '2', '3', '4', '5',
+ '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
+
+ /**
+ * 将字节数组转换为十六进制字符数组
+ *
+ * @param data byte[]
+ * @return 十六进制char[]
+ */
+ public static char[] encodeHex(byte[] data) {
+ return encodeHex(data, true);
+ }
+
+ /**
+ * 将字节数组转换为十六进制字符数组
+ *
+ * @param data byte[]
+ * @param toLowerCase true 传换成小写格式 ， false 传换成大写格式
+ * @return 十六进制char[]
+ */
+ public static char[] encodeHex(byte[] data, boolean toLowerCase) {
+ return encodeHex(data, toLowerCase ? DIGITS_LOWER : DIGITS_UPPER);
+ }
+
+ /**
+ * 将字节数组转换为十六进制字符数组
+ *
+ * @param data byte[]
+ * @param toDigits 用于控制输出的char[]
+ * @return 十六进制char[]
+ */
+ protected static char[] encodeHex(byte[] data, char[] toDigits) {
+ int l = data.length;
+ char[] out = new char[l << 1];
+ // two characters form the hex value.
+ for (int i = 0, j = 0; i < l; i++) {
+ out[j++] = toDigits[(0xF0 & data[i]) >>> 4];
+ out[j++] = toDigits[0x0F & data[i]];
+ }
+ return out;
+ }
+
+ /**
+ * 将字节数组转换为十六进制字符串
+ *
+ * @param data byte[]
+ * @return 十六进制String
+ */
+ public static String encodeHexString(byte[] data) {
+ return encodeHexString(data, true);
+ }
+
+ /**
+ * 将字节数组转换为十六进制字符串
+ *
+ * @param data byte[]
+ * @param toLowerCase true 传换成小写格式 ， false 传换成大写格式
+ * @return 十六进制String
+ */
+ public static String encodeHexString(byte[] data, boolean toLowerCase) {
+ return encodeHexString(data, toLowerCase ? DIGITS_LOWER : DIGITS_UPPER);
+ }
+
+ /**
+ * 将字节数组转换为十六进制字符串
+ *
+ * @param data byte[]
+ * @param toDigits 用于控制输出的char[]
+ * @return 十六进制String
+ */
+ protected static String encodeHexString(byte[] data, char[] toDigits) {
+ return new String(encodeHex(data, toDigits));
+ }
+
+ /**
+ * 将十六进制字符数组转换为字节数组
+ *
+ * @param data 十六进制char[]
+ * @return byte[]
+ * @throws RuntimeException 如果源十六进制字符数组是一个奇怪的长度，将抛出运行时异常
+ */
+ public static byte[] decodeHex(char[] data) {
+ int len = data.length;
+
+ if ((len & 0x01) != 0) {
+ throw new RuntimeException("Odd number of characters.");
+ }
+
+ byte[] out = new byte[len >> 1];
+
+ // two characters form the hex value.
+ for (int i = 0, j = 0; j < len; i++) {
+ int f = toDigit(data[j], j) << 4;
+ j++;
+ f = f | toDigit(data[j], j);
+ j++;
+ out[i] = (byte) (f & 0xFF);
+ }
+
+ return out;
+ }
+
+ /**
+ * 将十六进制字符转换成一个整数
+ *
+ * @param ch 十六进制char
+ * @param index 十六进制字符在字符数组中的位置
+ * @return 一个整数
+ * @throws RuntimeException 当ch不是一个合法的十六进制字符时，抛出运行时异常
+ */
+ protected static int toDigit(char ch, int index) {
+ int digit = Character.digit(ch, 16);
+ if (digit == -1) {
+ throw new RuntimeException("Illegal hexadecimal character " + ch
+ + " at index " + index);
+ }
+ return digit;
+ }
+
+ /**
+ * 数字字符串转ASCII码字符串
+ *
+ * @param content 字符串
+ * @return ASCII字符串
+ */
+ public static String StringToAsciiString(String content) {
+ String result = "";
+ int max = content.length();
+ for (int i = 0; i < max; i++) {
+ char c = content.charAt(i);
+ String b = Integer.toHexString(c);
+ result = result + b;
+ }
+ return result;
+ }
+
+ /**
+ * 十六进制转字符串
+ *
+ * @param hexString 十六进制字符串
+ * @param encodeType 编码类型4：Unicode，2：普通编码
+ * @return 字符串
+ */
+ public static String hexStringToString(String hexString, int encodeType) {
+ String result = "";
+ int max = hexString.length() / encodeType;
+ for (int i = 0; i < max; i++) {
+ char c = (char) hexStringToAlgorism(hexString
+ .substring(i * encodeType, (i + 1) * encodeType));
+ result += c;
+ }
+ return result;
+ }
+
+ /**
+ * 十六进制字符串装十进制
+ *
+ * @param hex 十六进制字符串
+ * @return 十进制数值
+ */
+ public static int hexStringToAlgorism(String hex) {
+ hex = hex.toUpperCase();
+ int max = hex.length();
+ int result = 0;
+ for (int i = max; i > 0; i--) {
+ char c = hex.charAt(i - 1);
+ int algorism = 0;
+ if (c >= '0' && c <= '9') {
+ algorism = c - '0';
+ } else {
+ algorism = c - 55;
+ }
+ result += Math.pow(16, max - i) * algorism;
+ }
+ return result;
+ }
+
+ /**
+ * 十六转二进制
+ *
+ * @param hex 十六进制字符串
+ * @return 二进制字符串
+ */
+ public static String hexStringToBinary(String hex) {
+ hex = hex.toUpperCase();
+ String result = "";
+ int max = hex.length();
+ for (int i = 0; i < max; i++) {
+ char c = hex.charAt(i);
+ switch (c) {
+ case '0':
+ result += "0000";
+ break;
+ case '1':
+ result += "0001";
+ break;
+ case '2':
+ result += "0010";
+ break;
+ case '3':
+ result += "0011";
+ break;
+ case '4':
+ result += "0100";
+ break;
+ case '5':
+ result += "0101";
+ break;
+ case '6':
+ result += "0110";
+ break;
+ case '7':
+ result += "0111";
+ break;
+ case '8':
+ result += "1000";
+ break;
+ case '9':
+ result += "1001";
+ break;
+ case 'A':
+ result += "1010";
+ break;
+ case 'B':
+ result += "1011";
+ break;
+ case 'C':
+ result += "1100";
+ break;
+ case 'D':
+ result += "1101";
+ break;
+ case 'E':
+ result += "1110";
+ break;
+ case 'F':
+ result += "1111";
+ break;
+ }
+ }
+ return result;
+ }
+
+ /**
+ * ASCII码字符串转数字字符串
+ *
+ * @param content ASCII字符串
+ * @return 字符串
+ */
+ public static String AsciiStringToString(String content) {
+ String result = "";
+ int length = content.length() / 2;
+ for (int i = 0; i < length; i++) {
+ String c = content.substring(i * 2, i * 2 + 2);
+ int a = hexStringToAlgorism(c);
+ char b = (char) a;
+ String d = String.valueOf(b);
+ result += d;
+ }
+ return result;
+ }
+
+ /**
+ * 将十进制转换为指定长度的十六进制字符串
+ *
+ * @param algorism int 十进制数字
+ * @param maxLength int 转换后的十六进制字符串长度
+ * @return String 转换后的十六进制字符串
+ */
+ public static String algorismToHexString(int algorism, int maxLength) {
+ String result = "";
+ result = Integer.toHexString(algorism);
+
+ if (result.length() % 2 == 1) {
+ result = "0" + result;
+ }
+ return patchHexString(result.toUpperCase(), maxLength);
+ }
+
+ /**
+ * 字节数组转为普通字符串（ASCII对应的字符）
+ *
+ * @param bytearray byte[]
+ * @return String
+ */
+ public static String byteToString(byte[] bytearray) {
+ String result = "";
+ char temp;
+
+ int length = bytearray.length;
+ for (int i = 0; i < length; i++) {
+ temp = (char) bytearray[i];
+ result += temp;
+ }
+ return result;
+ }
+
+ /**
+ * 二进制字符串转十进制
+ *
+ * @param binary 二进制字符串
+ * @return 十进制数值
+ */
+ public static int binaryToAlgorism(String binary) {
+ int max = binary.length();
+ int result = 0;
+ for (int i = max; i > 0; i--) {
+ char c = binary.charAt(i - 1);
+ int algorism = c - '0';
+ result += Math.pow(2, max - i) * algorism;
+ }
+ return result;
+ }
+
+ /**
+ * 十进制转换为十六进制字符串
+ *
+ * @param algorism int 十进制的数字
+ * @return String 对应的十六进制字符串
+ */
+ public static String algorismToHEXString(int algorism) {
+ String result = "";
+ result = Integer.toHexString(algorism);
+
+ if (result.length() % 2 == 1) {
+ result = "0" + result;
+
+ }
+ result = result.toUpperCase();
+
+ return result;
+ }
+
+ /**
+ * HEX字符串前补0，主要用于长度位数不足。
+ *
+ * @param str String 需要补充长度的十六进制字符串
+ * @param maxLength int 补充后十六进制字符串的长度
+ * @return 补充结果
+ */
+ static public String patchHexString(String str, int maxLength) {
+ String temp = "";
+ for (int i = 0; i < maxLength - str.length(); i++) {
+ temp = "0" + temp;
+ }
+ str = (temp + str).substring(0, maxLength);
+ return str;
+ }
+
+ /**
+ * 将一个字符串转换为int
+ *
+ * @param s String 要转换的字符串
+ * @param defaultInt int 如果出现异常,默认返回的数字
+ * @param radix int 要转换的字符串是什么进制的,如16 8 10.
+ * @return int 转换后的数字
+ */
+ public static int parseToInt(String s, int defaultInt, int radix) {
+ int i = 0;
+ try {
+ i = Integer.parseInt(s, radix);
+ } catch (NumberFormatException ex) {
+ i = defaultInt;
+ }
+ return i;
+ }
+
+ /**
+ * 将一个十进制形式的数字字符串转换为int
+ *
+ * @param s String 要转换的字符串
+ * @param defaultInt int 如果出现异常,默认返回的数字
+ * @return int 转换后的数字
+ */
+ public static int parseToInt(String s, int defaultInt) {
+ int i = 0;
+ try {
+ i = Integer.parseInt(s);
+ } catch (NumberFormatException ex) {
+ i = defaultInt;
+ }
+ return i;
+ }
+
+ /**
+ * 十六进制串转化为byte数组
+ *
+ * @return the array of byte
+ */
+ public static byte[] hexToByte(String hex)
+ throws IllegalArgumentException {
+ if (hex.length() % 2 != 0) {
+ throw new IllegalArgumentException();
+ }
+ char[] arr = hex.toCharArray();
+ byte[] b = new byte[hex.length() / 2];
+ for (int i = 0, j = 0, l = hex.length(); i < l; i++, j++) {
+ String swap = "" + arr[i++] + arr[i];
+ int byteint = Integer.parseInt(swap, 16) & 0xFF;
+ b[j] = new Integer(byteint).byteValue();
+ }
+ return b;
+ }
+
+ /**
+ * 字节数组转换为十六进制字符串
+ *
+ * @param b byte[] 需要转换的字节数组
+ * @return String 十六进制字符串
+ */
+ public static String byteToHex(byte b[]) {
+ if (b == null) {
+ throw new IllegalArgumentException(
+ "Argument b ( byte array ) is null! ");
+ }
+ String hs = "";
+ String stmp = "";
+ for (int n = 0; n < b.length; n++) {
+ stmp = Integer.toHexString(b[n] & 0xff);
+ if (stmp.length() == 1) {
+ hs = hs + "0" + stmp;
+ } else {
+ hs = hs + stmp;
+ }
+ }
+ return hs.toUpperCase();
+ }
+
+ public static byte[] subByte(byte[] input, int startIndex, int length) {
+ byte[] bt = new byte[length];
+ for (int i = 0; i < length; i++) {
+ bt[i] = input[i + startIndex];
+ }
+ return bt;
+ }
+
+ /**
+ * 二进制字符串转换为byte数组,每个字节以","隔开
+ **/
+ public static byte[] conver2HexToByte(String hex2Str) {
+ byte[] b = new byte[hex2Str.length() / 8];
+ for (int i = 0; i < b.length; i++) {
+ b[i] = Long.valueOf(hex2Str.substring(i * 8, (i + 1) * 8), 2).byteValue();
+ }
+ return b;
+ }
+}
+
diff --git a/njcn-springboot/spingboot2.3.12/src/main/java/com/njcn/web/utils/PoiUtil.java b/njcn-springboot/spingboot2.3.12/src/main/java/com/njcn/web/utils/PoiUtil.java
deleted file mode 100644
index c7e8362..0000000
--- a/njcn-springboot/spingboot2.3.12/src/main/java/com/njcn/web/utils/PoiUtil.java
+++ /dev/null
@@ -1,91 +0,0 @@
-package com.njcn.web.utils;
-
-/**
- * @author caozehui
- * @data 2024/11/7
- */
-import cn.hutool.core.io.FileUtil;
-import cn.hutool.core.util.CharsetUtil;
-import com.njcn.common.pojo.enums.response.CommonResponseEnum;
-import com.njcn.common.pojo.exception.BusinessException;
-import org.apache.poi.ss.usermodel.Workbook;
-
-import javax.servlet.ServletOutputStream;
-import javax.servlet.http.HttpServletResponse;
-import java.io.File;
-import java.io.FileInputStream;
-import java.net.URLEncoder;
-
-/**
- * @author hongawen
- * @version 1.0.0
- * @date 2022年04月01日 20:10
- */
-public class PoiUtil {
-
- /**
- * 根据数值返回适当文字描述
- * 比如：3.14159 - 暂无数据
- */
- public static String dealData(Double value) {
- return value == 3.14159 ? "暂无数据" : value + "%";
- }
-
- /**
- * excel包装数字返回的
- */
- public static String dealPOIData(Double value) {
-
- return " : (" + dealData(value) + ")";
- }
-
- /**
- * 注意：此方法下载完文件后，会删除当前文件
- *
- * @param filePath 文件绝对路径
- * @param response 响应
- */
- public static void exportFileByAbsolutePath(String filePath, HttpServletResponse response) {
- File file = new File(filePath);
- String fileName = file.getName();
- try (ServletOutputStream outputStream = response.getOutputStream(); FileInputStream fileInputStream = new FileInputStream(file)) {
- fileName = URLEncoder.encode(fileName, CharsetUtil.UTF_8);
- response.reset();
- response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
- response.setContentType("application/octet-stream;charset=" + CharsetUtil.UTF_8);
- int len = 0;
- byte[] bytes = new byte[1024];
- while ((len = fileInputStream.read(bytes)) != -1) {
- outputStream.write(bytes, 0, len);
- outputStream.flush();
- }
- } catch (Exception e) {
- e.printStackTrace();
- throw new BusinessException(CommonResponseEnum.EXPORT_FILE_ERROR);
- }
- FileUtil.del(file);
- }
-
-
- /**
- * 按工作蒲导出文件
- *
- * @param workbook 工作蒲
- * @param fileName 文件名
- * @param response 响应
- */
- public static void exportFileByWorkbook(Workbook workbook, String fileName, HttpServletResponse response) {
- response.reset();
- try (ServletOutputStream outputStream = response.getOutputStream()) {
- fileName = URLEncoder.encode(fileName, CharsetUtil.UTF_8);
- response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
- response.setContentType("application/octet-stream;charset=" + CharsetUtil.UTF_8);
- workbook.write(outputStream);
- } catch (Exception e) {
- e.printStackTrace();
- throw new BusinessException(CommonResponseEnum.EXPORT_FILE_ERROR);
- }
- }
-
-}
-