小程序后台代码提交，登录, 修改加密方法

xueyi-common/xueyi-common-core/src/main/java/com/xueyi/common/core/utils/core/CryptoUtil.java

@@ -3,6 +3,7 @@ package com.xueyi.common.core.utils.core;
 import javax.crypto.Cipher;
 import javax.crypto.spec.SecretKeySpec;
 import java.security.Key;
+import java.util.Base64;
 
 /**
  * @author yk
@@ -25,15 +26,17 @@ public class CryptoUtil {
         byte[] ciphertext = cipher.doFinal(data.getBytes());
 
         // 输出密文
-        return new String(ciphertext);
+        return Base64.getEncoder().encodeToString(ciphertext);
     }
 
 
     public static String decrypt(String encryptedData) throws Exception {
+        byte[] encryptedDataBytes = Base64.getDecoder().decode(encryptedData);
         Key k = new SecretKeySpec(DEFAULT_KEY.getBytes(), "AES");
         Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
         cipher.init(Cipher.DECRYPT_MODE, k);
-        byte[] decryptedBytes = cipher.doFinal(encryptedData.getBytes());
+        byte[] decryptedBytes = cipher.doFinal(encryptedDataBytes);
+        //base64加密
         return new String(decryptedBytes);
     }
 }