压缩包 编码工具类

压缩包 编码工具类

Signed-off-by: 高雄 <admin@cxcp.com>

server/src/main/java/cn/keking/utils/RarUtils.java

@@ -0,0 +1,130 @@
+package cn.keking.utils;
+import cn.keking.config.ConfigConstants;
+import cn.keking.service.ZtreeNodeVo;
+import java.io.File;
+import java.io.UnsupportedEncodingException;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @author : Gao
+ * create : 2023-04-08
+ **/
+public class RarUtils {
+    private static final String fileDir = ConfigConstants.getFileDir();
+
+    public static byte[] getUTF8BytesFromGBKString(String gbkStr) {
+        int n = gbkStr.length();
+        byte[] utfBytes = new byte[3 * n];
+        int k = 0;
+        for (int i = 0; i < n; i++) {
+            int m = gbkStr.charAt(i);
+            if (m < 128 && m >= 0) {
+                utfBytes[k++] = (byte) m;
+                continue;
+            }
+            utfBytes[k++] = (byte) (0xe0 | (m >> 12));
+            utfBytes[k++] = (byte) (0x80 | ((m >> 6) & 0x3f));
+            utfBytes[k++] = (byte) (0x80 | (m & 0x3f));
+        }
+        if (k < utfBytes.length) {
+            byte[] tmp = new byte[k];
+            System.arraycopy(utfBytes, 0, tmp, 0, k);
+            return tmp;
+        }
+        return utfBytes;
+    }
+
+    public static String getUtf8String(String str) {
+        if (str != null && str.length() > 0) {
+            String needEncodeCode = "ISO-8859-1";
+            String neeEncodeCode = "ISO-8859-2";
+            String gbkEncodeCode = "GBK";
+            try {
+                if (Charset.forName(needEncodeCode).newEncoder().canEncode(str)) {
+                    str = new String(str.getBytes(needEncodeCode), StandardCharsets.UTF_8);
+                }
+                if (Charset.forName(neeEncodeCode).newEncoder().canEncode(str)) {
+                    str = new String(str.getBytes(neeEncodeCode), StandardCharsets.UTF_8);
+                }
+                if (Charset.forName(gbkEncodeCode).newEncoder().canEncode(str)) {
+                    str = new String(getUTF8BytesFromGBKString(str), StandardCharsets.UTF_8);
+                }
+            } catch (UnsupportedEncodingException e) {
+                e.printStackTrace();
+            }
+        }
+        return str;
+    }
+    /**
+     * 判断是否是中日韩文字
+     */
+    private static boolean isChinese(char c) {
+        Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
+        return ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
+                || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
+                || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
+                || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION
+                || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
+                || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS;
+    }
+    public static boolean judge(char c){
+        return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z');
+    }
+    public static boolean isMessyCode(String strName) {
+        //去除字符串中的空格 制表符 换行 回车
+        Pattern p = Pattern.compile("\\s*|\t*|\r*|\n*");
+        Matcher m = p.matcher(strName);
+        String after = m.replaceAll("").replaceAll("\\+", "").replaceAll("#", "").replaceAll("&", "");
+        //去除字符串中的标点符号
+        String temp = after.replaceAll("\\p{P}", "");
+        //处理之后转换成字符数组
+        char[] ch = temp.trim().toCharArray();
+        for (char c : ch) {
+            //判断是否是数字或者英文字符
+            if (!judge(c)) {
+                //判断是否是中日韩文
+                if (!isChinese(c)) {
+                    //如果不是数字或者英文字符也不是中日韩文则表示是乱码返回true
+                    return true;
+                }
+            }
+        }
+        //表示不是乱码 返回false
+        return false;
+    }
+
+    /**
+     * 读取文件目录树
+     */
+    public static List<ZtreeNodeVo> getTree(String rootPath) {
+        List<ZtreeNodeVo> nodes = new ArrayList<>();
+        File file = new File(fileDir+rootPath);
+        ZtreeNodeVo node = traverse(file);
+        nodes.add(node);
+        return nodes;
+    }
+    private static ZtreeNodeVo traverse(File file) {
+        ZtreeNodeVo pathNodeVo = new ZtreeNodeVo();
+        pathNodeVo.setId(file.getAbsolutePath().replace(fileDir, "").replace("\\", "/"));
+        pathNodeVo.setName(file.getName());
+        pathNodeVo.setPid(file.getParent().replace(fileDir, "").replace("\\", "/"));
+        if (file.isDirectory()) {
+            List<ZtreeNodeVo> subNodeVos = new ArrayList<>();
+            File[] subFiles = file.listFiles();
+            if (subFiles == null) {
+                return pathNodeVo;
+            }
+            for (File subFile : subFiles) {
+                ZtreeNodeVo subNodeVo = traverse(subFile);
+                subNodeVos.add(subNodeVo);
+            }
+            pathNodeVo.setChildren(subNodeVos);
+        }
+        return pathNodeVo;
+    }
+}