加入AES加密工具类

pcloud-common/src/test/java/com/pcloud/common/utils/AESUtilTest.java

+package com.pcloud.common.utils;
+
+import com.pcloud.common.utils.encrypt.AESUtil;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class AESUtilTest {
+
+    @Test
+    public void testAll() {
+        exec("!@#$%^");
+        exec("abcdefg");
+        exec("123456");
+        exec("123456efg");
+        exec("我是中国人");
+    }
+
+    private void exec(String src) {
+        String e = AESUtil.fixedEncrypt(src);
+        String d = AESUtil.fixedDecrypt(e);
+        Assert.assertEquals(d, src);
+    }
+}