:art: 优化代码，使用java8自带的Base64类

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/EntPayServiceImpl.java

@@ -8,7 +8,6 @@ import com.github.binarywang.wxpay.exception.WxPayException;
 import com.github.binarywang.wxpay.service.EntPayService;
 import com.github.binarywang.wxpay.service.WxPayService;
 import com.github.binarywang.wxpay.util.SignUtils;
-import org.apache.commons.codec.binary.Base64;
 import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
 import org.bouncycastle.jce.provider.BouncyCastleProvider;
 import org.bouncycastle.openssl.PEMParser;
@@ -22,6 +21,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.security.PublicKey;
 import java.security.Security;
+import java.util.Base64;
 
 /**
  * <pre>
@@ -168,7 +168,7 @@ public class EntPayServiceImpl implements EntPayService {
 
         cipher.init(Cipher.ENCRYPT_MODE, publicKey);
         byte[] encrypt = cipher.doFinal(srcString.getBytes(StandardCharsets.UTF_8));
-        return Base64.encodeBase64String(encrypt);
+        return Base64.getEncoder().encodeToString(encrypt);
       }
     } catch (Exception e) {
       throw new WxPayException("加密出错", e);

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceApacheHttpImpl.java

@@ -3,7 +3,6 @@ package com.github.binarywang.wxpay.service.impl;
 import com.github.binarywang.wxpay.bean.WxPayApiData;
 import com.github.binarywang.wxpay.exception.WxPayException;
 import com.google.gson.JsonObject;
-import jodd.util.Base64;
 import me.chanjar.weixin.common.util.json.GsonParser;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.http.HttpEntity;
@@ -29,6 +28,7 @@ import org.apache.http.util.EntityUtils;
 import javax.net.ssl.SSLContext;
 import java.net.URI;
 import java.nio.charset.StandardCharsets;
+import java.util.Base64;
 
 /**
  * <pre>
@@ -48,7 +48,7 @@ public class WxPayServiceApacheHttpImpl extends BaseWxPayServiceImpl {
       try (CloseableHttpClient httpClient = httpClientBuilder.build()) {
         try (CloseableHttpResponse response = httpClient.execute(httpPost)) {
           final byte[] bytes = EntityUtils.toByteArray(response.getEntity());
-          final String responseData = Base64.encodeToString(bytes);
+          final String responseData = Base64.getEncoder().encodeToString(bytes);
           this.log.info("\n【请求地址】：{}\n【请求数据】：{}\n【响应数据(Base64编码后)】：{}", url, requestStr, responseData);
           wxApiData.set(new WxPayApiData(url, requestStr, responseData, null));
           return bytes;

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/WxPayServiceJoddHttpImpl.java

@@ -1,11 +1,5 @@
 package com.github.binarywang.wxpay.service.impl;
 
-import java.net.URI;
-import java.nio.charset.StandardCharsets;
-import javax.net.ssl.SSLContext;
-
-import org.apache.commons.lang3.StringUtils;
-
 import com.github.binarywang.wxpay.bean.WxPayApiData;
 import com.github.binarywang.wxpay.exception.WxPayException;
 import jodd.http.HttpConnectionProvider;
@@ -15,9 +9,14 @@ import jodd.http.ProxyInfo;
 import jodd.http.ProxyInfo.ProxyType;
 import jodd.http.net.SSLSocketHttpConnectionProvider;
 import jodd.http.net.SocketHttpConnectionProvider;
-import jodd.util.Base64;
+import org.apache.commons.lang3.StringUtils;
 import org.apache.http.client.methods.HttpPost;
 
+import javax.net.ssl.SSLContext;
+import java.net.URI;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+
 /**
  * 微信支付请求实现类，jodd-http实现.
  * Created by Binary Wang on 2016/7/28.
@@ -30,7 +29,7 @@ public class WxPayServiceJoddHttpImpl extends BaseWxPayServiceImpl {
     try {
       HttpRequest request = this.buildHttpRequest(url, requestStr, useKey);
       byte[] responseBytes = request.send().bodyBytes();
-      final String responseString = Base64.encodeToString(responseBytes);
+      final String responseString = Base64.getEncoder().encodeToString(responseBytes);
       this.log.info("\n【请求地址】：{}\n【请求数据】：{}\n【响应数据(Base64编码后)】：{}", url, requestStr, responseString);
       if (this.getConfig().isIfSaveApiData()) {
         wxApiData.set(new WxPayApiData(url, requestStr, responseString, null));