[图片] java 解析 小程序端的手机号乱码 import org.apache.commons.codec.binary.Base64; import javax.crypto.Cipher; import javax.crypto.KeyGenerator; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; import java.security.AlgorithmParameters; import java.security.Key; import java.security.Security; public class WxUtils { public static final String AES = "AES"; public static final String AES_CBC_PADDING = "AES/CBC/PKCS7Padding"; /**     *    * 微信 数据解密<br/>     *    * 对称解密使用的算法为 AES-128-CBC，数据采用PKCS#7填充<br/>     *    * 对称解密的目标密文:encrypted=Base64_Decode(encryptData)<br/>     *    * 对称解密秘钥:key = Base64_Decode(session_key),aeskey是16字节<br/>     *    * 对称解密算法初始向量:iv = Base64_Decode(iv),同样是16字节<br/>     *    *     *    * @param encrypted 目标密文     *    * @param session_key 会话ID     *    * @param iv 加密算法的初始向量     *     */    public static String wxDecrypt(String encrypted, String session_key, String iv) { String result = null; byte[] encrypted64 = Base64.decodeBase64(encrypted); byte[] key64 = Base64.decodeBase64(session_key); byte[] iv64 = Base64.decodeBase64(iv); try { init(); result = new String(decrypt(encrypted64, key64, generateIV(iv64)),"UTF-8"); } catch (Exception e) { e.printStackTrace(); } return result; } /**     *    * 初始化密钥     *     */    public static void init() throws Exception { Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider()); KeyGenerator.getInstance(AES).init(128); } /**     *    * 生成iv     *     */    public static AlgorithmParameters generateIV(byte[] iv) throws Exception { // iv 为一个 16 字节的数组，这里采用和 iOS 端一样的构造方法，数据全为0        // Arrays.fill(iv, (byte) 0x00);        AlgorithmParameters params = AlgorithmParameters.getInstance(AES); params.init(new IvParameterSpec(iv)); return params; } /**     *    * 生成解密     *     */    public static byte[] decrypt(byte[] encryptedData, byte[] keyBytes, AlgorithmParameters iv) throws Exception { Key key = new SecretKeySpec(keyBytes, AES); Cipher cipher = Cipher.getInstance(AES_CBC_PADDING); // 设置为解密模式        cipher.init(Cipher.DECRYPT_MODE, key, iv); return cipher.doFinal(encryptedData); } } 调用 result = WxUtils.wxDecrypt(wxxcxUserDTO.getPhone(), wxxcxUserDTO.getSessionKey(), wxxcxUserDTO.getIv());String result = "�\u0004�)\u001A��V���&@i[\u001C18935580148\",\"purePhoneNumber\":\"18935580148\",\"countryCode\":\"86\",\"watermark\":{\"timestamp\":1574159935,\"appid\":\"wx55d681cfc4e37d51\"}}"; 乱码 明显 谢谢