5.4.3 知识库内容加密解密工具类

common-push/src/main/java/org/diagbot/common/push/util/CryptUtil.java

@@ -0,0 +1,101 @@
+package org.diagbot.common.push.util;
+
+import java.util.List;
+
+/**
+ * @Description: 加解密工具类
+ * @author: gaodm
+ * @time: 2019/12/30 11:09
+ */
+public class CryptUtil {
+
+    private final static char EN_MAX = '\u0080';//128
+    private final static int MOVE_NUM = 2;
+    private final static char DE_MAX = EN_MAX + MOVE_NUM;
+
+    /**
+     * 加密，把一个字符串在原有的基础上+2
+     *
+     * @param data 需要解密的原字符串
+     * @return 返回解密后的新字符串
+     */
+    public static String encrypt_char(String data) {
+        char[] chars = data.toCharArray();
+        for (int i = 0; i < chars.length; i++) {
+            if (EN_MAX < chars[i]) {
+                chars[i] += MOVE_NUM;
+            }
+        }
+        return new String(chars);
+    }
+
+    /**
+     * 解密：把一个加密后的字符串在原有基础上-2
+     *
+     * @param data 加密后的字符串
+     * @return 返回解密后的新字符串
+     */
+    public static String decrypt_char(String data) {
+        char[] chars = data.toCharArray();
+        for (int i = 0; i < chars.length; i++) {
+            if (DE_MAX < chars[i]) {
+                chars[i] -= MOVE_NUM;
+            }
+        }
+        return new String(chars);
+    }
+
+
+    /**
+     * 对List<String>进行加密
+     *
+     * @param list 加密前的list
+     * @return 加密后的list
+     */
+    public static void encryptList(List<String> list) {
+        if (ListUtil.isNotEmpty(list)) {
+            for (int i = 0; i < list.size(); i++) {
+                list.set(i, CryptUtil.encrypt_char(list.get(i)));
+            }
+        }
+    }
+
+    /**
+     * 对List<String>进行解密
+     * @param list 解密前的list
+     * @return 解密后的list
+     */
+    public static void decryptList(List<String> list) {
+        if (ListUtil.isNotEmpty(list)) {
+            for (int i = 0; i < list.size(); i++) {
+                list.set(i, CryptUtil.decrypt_char(list.get(i)));
+            }
+        }
+    }
+
+
+
+    public static void main(String[] args) {
+        //加密英文
+        String data = "解密后:�dsfaa2132159-4331}~\u007F";
+        String charResult = encrypt_char(data);
+        System.out.println("加密后:" + charResult);
+        //解密
+        String charStr = decrypt_char(charResult);
+        System.out.println("解密后:" + charStr);
+
+
+        //加密中文
+        data = "跳梁小豆tlxd666，z";
+        String result = encrypt_char(data);
+        System.out.println("加密后:" + result);
+        String str1 = decrypt_char(result);
+        System.out.println("解密后:" + str1);
+
+//        int num = 32;
+//        while (num <= 128) {
+//            System.out.println((char) num + "  (Unicode编码对应的数字为：) " + num);
+//            num++;
+//        }
+    }
+}

common-push/src/main/java/org/diagbot/common/push/util/ListUtil.java

@@ -0,0 +1,88 @@
+package org.diagbot.common.push.util;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @Description: List 工具类
+ * @author: gaodm
+ * @date: 2017/12/28 15:36
+ * @version: V1.0
+ */
+public class ListUtil {
+    /**
+     * list的第一行
+     */
+    public static final int FIRST = 0;
+
+    private ListUtil() {
+
+    }
+
+    /**
+     * 创建List对象
+     *
+     * @param <E> 泛型，
+     * @return
+     */
+    public static <E> ArrayList<E> newArrayList() {
+        return new ArrayList<>();
+    }
+
+    /**
+     * 判断List是否为空
+     *
+     * @param list
+     * @return
+     */
+    public static boolean isEmpty(List list) {
+        if (null == list) {
+            return Boolean.TRUE;
+        }
+        if (list.isEmpty()) {
+            return Boolean.TRUE;
+        }
+        if (list.size() < 1) {
+            return Boolean.TRUE;
+        }
+        return Boolean.FALSE;
+    }
+
+    /**
+     * 判断List是否为非空
+     *
+     * @param list
+     * @return
+     */
+    public static boolean isNotEmpty(List list) {
+        return !isEmpty(list);
+    }
+
+    /**
+     * 获取List集合中第一个对象，前提是自己先判断这个list不会为空
+     *
+     * @param list
+     * @param <E>
+     * @return
+     */
+    public static <E> E firstEntity(List<E> list) {
+        if (isEmpty(list)) {
+            return null;
+        }
+        return list.get(FIRST);
+    }
+
+    public static <E> ArrayList<E> arrayToList(E[] strArray) {
+        ArrayList<E> arrayList = new ArrayList<>(strArray.length);
+        Collections.addAll(arrayList, strArray);
+        return arrayList;
+    }
+
+    public static void main(String[] args) throws Exception {
+        String[] i ={"A","B"};
+        List<String> o = arrayToList(i);
+        System.out.println("输入参数:"+ i);
+        System.out.println("输出参数:"+ o);
+    }
+}