upgrade version

Improve error message of the failure of getting prepayid.

README.md

@@ -2,6 +2,12 @@ weixin-java-tools
 
 [![Build Status](https://travis-ci.org/chanjarster/weixin-java-tools.svg?branch=develop)](https://travis-ci.org/chanjarster/weixin-java-tools)
 ![Maven Central](https://img.shields.io/maven-central/v/me.chanjar/weixin-java-parent.svg)
+[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/chanjarster/weixin-java-tools?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
+
+===========
+
+* 群/聊天室：请点击上方的GITTER按钮
+* 本项目的发布周期：本人子2015年6月开始进入到了一个非常忙碌的状态，且公司目前也没有开发微信相关的项目，因此本项目的维护基本靠“等”。所以靠人不如靠自己，提交pull request吧。
 
 ===========
 
@@ -17,7 +23,7 @@ weixin-java-tools
 <dependency>
   <groupId>me.chanjar</groupId>
   <artifactId>weixin-java-mp</artifactId>
-  <version>1.3.0</version>
+  <version>1.3.2</version>
 </dependency>
 ```
 
@@ -27,7 +33,7 @@ weixin-java-tools
 <dependency>
   <groupId>me.chanjar</groupId>
   <artifactId>weixin-java-cp</artifactId>
-  <version>1.3.0</version>
+  <version>1.3.2</version>
 </dependency>
 ```
 

pom.xml

@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>me.chanjar</groupId>
   <artifactId>weixin-java-parent</artifactId>
-  <version>1.3.0</version>
+  <version>1.3.2</version>
   <packaging>pom</packaging>
   <name>WeiXin Java Tools - Parent</name>
   <description>微信公众号、企业号上级POM</description>

weixin-java-common/pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>me.chanjar</groupId>
     <artifactId>weixin-java-parent</artifactId>
-    <version>1.3.0</version>
+    <version>1.3.2</version>
   </parent>
 
   <artifactId>weixin-java-common</artifactId>

weixin-java-common/src/main/java/me/chanjar/weixin/common/util/crypto/WxCryptUtil.java

@@ -248,7 +248,6 @@ public class WxCryptUtil {
             }
         }
         toSign.append("key=" + signKey);
-        System.out.println(toSign.toString());
         String sign = DigestUtils.md5Hex(toSign.toString())
                 .toUpperCase();
         return sign;

weixin-java-common/src/main/java/me/chanjar/weixin/common/util/http/MediaUploadRequestExecutor.java

@@ -11,6 +11,7 @@ import org.apache.http.client.config.RequestConfig;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpPost;
 import org.apache.http.entity.ContentType;
+import org.apache.http.entity.mime.HttpMultipartMode;
 import org.apache.http.entity.mime.MultipartEntityBuilder;
 
 import me.chanjar.weixin.common.bean.result.WxError;
@@ -35,6 +36,7 @@ public class MediaUploadRequestExecutor implements RequestExecutor<WxMediaUpload
       HttpEntity entity = MultipartEntityBuilder
             .create()
             .addBinaryBody("media", file)
+            .setMode(HttpMultipartMode.RFC6532)
             .build();
       httpPost.setEntity(entity);
       httpPost.setHeader("Content-Type", ContentType.MULTIPART_FORM_DATA.toString());

weixin-java-cp/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>me.chanjar</groupId>
         <artifactId>weixin-java-parent</artifactId>
-        <version>1.3.0</version>
+        <version>1.3.2</version>
     </parent>
 
     <artifactId>weixin-java-cp</artifactId>

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpServiceImpl.java

@@ -555,7 +555,7 @@ public class WxCpServiceImpl implements WxCpService {
     throw new RuntimeException("微信服务端异常，超出重试次数");
   }
 
-  protected <T, E> T executeInternal(RequestExecutor<T, E> executor, String uri, E data) throws WxErrorException {
+  protected synchronized <T, E> T executeInternal(RequestExecutor<T, E> executor, String uri, E data) throws WxErrorException {
     if (uri.indexOf("access_token=") != -1) {
       throw new IllegalArgumentException("uri参数中不允许有access_token: " + uri);
     }

weixin-java-mp/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>me.chanjar</groupId>
         <artifactId>weixin-java-parent</artifactId>
-        <version>1.3.0</version>
+        <version>1.3.2</version>
     </parent>
     <artifactId>weixin-java-mp</artifactId>
     <name>WeiXin Java Tools - MP</name>

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpConfigStorage.java

@@ -2,6 +2,8 @@ package me.chanjar.weixin.mp.api;
 
 import java.io.File;
 
+import javax.net.ssl.SSLContext;
+
 import me.chanjar.weixin.common.bean.WxAccessToken;
 
 /**
@@ -74,4 +76,5 @@ public interface WxMpConfigStorage {
   
   public File getTmpDirFile();
 
+  public SSLContext getSSLContext();
 }

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpInMemoryConfigStorage.java

@@ -2,6 +2,8 @@ package me.chanjar.weixin.mp.api;
 
 import java.io.File;
 
+import javax.net.ssl.SSLContext;
+
 import me.chanjar.weixin.common.bean.WxAccessToken;
 
 /**
@@ -35,6 +37,8 @@ public class WxMpInMemoryConfigStorage implements WxMpConfigStorage {
    */
   protected volatile File tmpDirFile;
   
+  protected volatile SSLContext sslContext;
+  
   public String getAccessToken() {
     return this.accessToken;
   }
@@ -219,4 +223,13 @@ public class WxMpInMemoryConfigStorage implements WxMpConfigStorage {
     this.tmpDirFile = tmpDirFile;
   }
 
+  @Override
+  public SSLContext getSSLContext() {
+    return sslContext;
+  }
+  
+  public void setSSLContext(SSLContext context) {
+    sslContext = context;
+  }
+
 }

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpService.java

@@ -11,7 +11,6 @@ import me.chanjar.weixin.mp.bean.result.*;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
-import java.math.BigDecimal;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.List;
@@ -671,33 +670,57 @@ public interface WxMpService {
    */
   void setMaxRetryTimes(int maxRetryTimes);
 
-    /**
-     * 统一下单(详见http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1)
-     * 在发起微信支付前，需要调用统一下单接口，获取"预支付交易会话标识"
-     * @param openId 支付人openId
-     * @param outTradeNo 商户端对应订单号
-     * @param amt 金额(单位元)
-     * @param body 商品描述
-     * @param tradeType 交易类型 JSAPI，NATIVE，APP，WAP
-     * @param ip 发起支付的客户端IP
-     * @param notifyUrl 通知地址
-     * @return
-     */
-    WxMpPrepayIdResult getPrepayId(String openId, String outTradeNo, double amt, String body, String tradeType, String ip, String notifyUrl);
+  /**
+   * 统一下单(详见http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1)
+   * 在发起微信支付前，需要调用统一下单接口，获取"预支付交易会话标识"
+   * @param openId 支付人openId
+   * @param outTradeNo 商户端对应订单号
+   * @param amt 金额(单位元)
+   * @param body 商品描述
+   * @param tradeType 交易类型 JSAPI，NATIVE，APP，WAP
+   * @param ip 发起支付的客户端IP
+   * @param notifyUrl 通知地址
+   * @return
+   * @deprecated Use me.chanjar.weixin.mp.api.WxMpService.getPrepayId(Map<String, String>) instead
+   */
+  @Deprecated
+  WxMpPrepayIdResult getPrepayId(String openId, String outTradeNo, double amt, String body, String tradeType, String ip, String notifyUrl);
 
-    /**
-     * 该接口调用“统一下单”接口，并拼装JSSDK发起支付请求需要的参数
-     * 详见http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html#.E5.8F.91.E8.B5.B7.E4.B8.80.E4.B8.AA.E5.BE.AE.E4.BF.A1.E6.94.AF.E4.BB.98.E8.AF.B7.E6.B1.82
-     * @param openId 支付人openId
-     * @param outTradeNo 商户端对应订单号
-     * @param amt 金额(单位元)
-     * @param body 商品描述
-     * @param tradeType 交易类型 JSAPI，NATIVE，APP，WAP
-     * @param ip 发起支付的客户端IP
-     * @param notifyUrl 通知地址
-     * @return
-     */
-    Map<String, String> getJSSDKPayInfo(String openId, String outTradeNo, double amt, String body, String tradeType, String ip, String notifyUrl);
+  /**
+   * 统一下单(详见http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1)
+   * 在发起微信支付前，需要调用统一下单接口，获取"预支付交易会话标识"
+   * 
+   * @param parameters
+   *            All required/optional parameters for weixin payment
+   * @return
+   * @throws IllegalArgumentException
+   */
+  WxMpPrepayIdResult getPrepayId(Map<String, String> parameters);
+
+  /**
+   * 该接口调用“统一下单”接口，并拼装JSSDK发起支付请求需要的参数
+   * 详见http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html#.E5.8F.91.E8.B5.B7.E4.B8.80.E4.B8.AA.E5.BE.AE.E4.BF.A1.E6.94.AF.E4.BB.98.E8.AF.B7.E6.B1.82
+   * @param parameters
+   *            the required or optional parameters
+   * @return
+   */
+  Map<String, String> getJSSDKPayInfo(Map<String, String> parameters);  	
+  	
+  /**
+   * 该接口调用“统一下单”接口，并拼装JSSDK发起支付请求需要的参数
+   * 详见http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html#.E5.8F.91.E8.B5.B7.E4.B8.80.E4.B8.AA.E5.BE.AE.E4.BF.A1.E6.94.AF.E4.BB.98.E8.AF.B7.E6.B1.82
+   * @param openId 支付人openId
+   * @param outTradeNo 商户端对应订单号
+   * @param amt 金额(单位元)
+   * @param body 商品描述
+   * @param tradeType 交易类型 JSAPI，NATIVE，APP，WAP
+   * @param ip 发起支付的客户端IP
+   * @param notifyUrl 通知地址
+   * @return
+   * @deprecated Use me.chanjar.weixin.mp.api.WxMpService.getJSSDKPayInfo(Map<String, String>) instead
+   */
+  @Deprecated
+  Map<String, String> getJSSDKPayInfo(String openId, String outTradeNo, double amt, String body, String tradeType, String ip, String notifyUrl);
 
     /**
      * 该接口提供所有微信支付订单的查询,当支付通知处理异常戒丢失的情冴,商户可以通过该接口查询订单支付状态。
@@ -714,4 +737,23 @@ public interface WxMpService {
      * @return
      */
     WxMpPayCallback getJSSDKCallbackData(String xmlData);
+    
+    /**
+     * <pre>
+     * 计算Map键值对是否和签名相符,
+     * 按照字段名的 ASCII 码从小到大排序(字典序)后,使用 URL 键值对的 格式(即 key1=value1&key2=value2...)拼接成字符串
+     * </pre>
+     * @param kvm
+     * @param signature
+     * @return
+     */
+    public boolean checkJSSDKCallbackDataSignature(Map<String, String> kvm, String signature);
+    
+   /**
+    * 发送微信红包给个人用户
+    * @param parameters
+    * @return
+    * @throws WxErrorException
+    */
+    public WxRedpackResult sendRedpack(Map<String, String> parameters) throws WxErrorException;
 }

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpServiceImpl.java

@@ -5,12 +5,11 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.StringReader;
 import java.security.NoSuchAlgorithmException;
-import java.util.ArrayList;
-import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.SortedMap;
 import java.util.TreeMap;
 import java.util.UUID;
@@ -67,6 +66,7 @@ import me.chanjar.weixin.mp.bean.result.WxMpUser;
 import me.chanjar.weixin.mp.bean.result.WxMpUserCumulate;
 import me.chanjar.weixin.mp.bean.result.WxMpUserList;
 import me.chanjar.weixin.mp.bean.result.WxMpUserSummary;
+import me.chanjar.weixin.mp.bean.result.WxRedpackResult;
 import me.chanjar.weixin.mp.util.http.MaterialDeleteRequestExecutor;
 import me.chanjar.weixin.mp.util.http.MaterialNewsInfoRequestExecutor;
 import me.chanjar.weixin.mp.util.http.MaterialUploadRequestExecutor;
@@ -75,7 +75,6 @@ import me.chanjar.weixin.mp.util.http.MaterialVoiceAndImageDownloadRequestExecut
 import me.chanjar.weixin.mp.util.http.QrCodeRequestExecutor;
 import me.chanjar.weixin.mp.util.json.WxMpGsonBuilder;
 
-import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.http.Consts;
 import org.apache.http.HttpHost;
 import org.apache.http.auth.AuthScope;
@@ -86,13 +85,16 @@ import org.apache.http.client.config.RequestConfig;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.client.methods.HttpPost;
+import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.BasicCredentialsProvider;
 import org.apache.http.impl.client.BasicResponseHandler;
 import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
 import org.apache.http.impl.client.HttpClients;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.slf4j.helpers.MessageFormatter;
 
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
@@ -506,7 +508,10 @@ public class WxMpServiceImpl implements WxMpService {
     String url = "https://api.weixin.qq.com/cgi-bin/message/template/send";
     String responseContent = execute(new SimplePostRequestExecutor(), url, templateMessage.toJson());
     JsonElement tmpJsonElement = Streams.parse(new JsonReader(new StringReader(responseContent)));
-    return tmpJsonElement.getAsJsonObject().get("msgid").getAsString();
+    final JsonObject jsonObject = tmpJsonElement.getAsJsonObject();
+    if (jsonObject.get("errcode").getAsInt() == 0)
+      return jsonObject.get("msgid").getAsString();
+    throw new WxErrorException(WxError.fromJson(responseContent));
   }
 
   public WxMpSemanticQueryResult semanticQuery(WxMpSemanticQuery semanticQuery) throws WxErrorException {
@@ -634,8 +639,9 @@ public class WxMpServiceImpl implements WxMpService {
     param.addProperty("end_date", SIMPLE_DATE_FORMAT.format(endDate));
     String responseContent = post(url, param.toString());
     JsonElement tmpJsonElement = Streams.parse(new JsonReader(new StringReader(responseContent)));
-    return WxMpGsonBuilder.INSTANCE.create().fromJson(tmpJsonElement.getAsJsonObject().get("list"), new TypeToken<List<WxMpUserSummary>>() {
-    }.getType());
+    return WxMpGsonBuilder.INSTANCE.create().fromJson(tmpJsonElement.getAsJsonObject().get("list"),
+        new TypeToken<List<WxMpUserSummary>>() {
+        }.getType());
   }
 
   @Override
@@ -695,7 +701,7 @@ public class WxMpServiceImpl implements WxMpService {
     throw new RuntimeException("微信服务端异常，超出重试次数");
   }
 
-  protected <T, E> T executeInternal(RequestExecutor<T, E> executor, String uri, E data) throws WxErrorException {
+  protected synchronized <T, E> T executeInternal(RequestExecutor<T, E> executor, String uri, E data) throws WxErrorException {
     if (uri.indexOf("access_token=") != -1) {
       throw new IllegalArgumentException("uri参数中不允许有access_token: " + uri);
     }
@@ -741,6 +747,7 @@ public class WxMpServiceImpl implements WxMpService {
     String http_proxy_username = wxMpConfigStorage.getHttp_proxy_username();
     String http_proxy_password = wxMpConfigStorage.getHttp_proxy_password();
 
+    final HttpClientBuilder builder = HttpClients.custom();
     if (StringUtils.isNotBlank(http_proxy_host)) {
       // 使用代理服务器
       if (StringUtils.isNotBlank(http_proxy_username)) {
@@ -749,18 +756,22 @@ public class WxMpServiceImpl implements WxMpService {
         credsProvider.setCredentials(
             new AuthScope(http_proxy_host, http_proxy_port),
             new UsernamePasswordCredentials(http_proxy_username, http_proxy_password));
-        httpClient = HttpClients
-            .custom()
-            .setDefaultCredentialsProvider(credsProvider)
-            .build();
+        builder
+            .setDefaultCredentialsProvider(credsProvider);
       } else {
         // 无需用户认证的代理服务器
-        httpClient = HttpClients.createDefault();
       }
       httpProxy = new HttpHost(http_proxy_host, http_proxy_port);
-    } else {
-      httpClient = HttpClients.createDefault();
     }
+    if (wxConfigProvider.getSSLContext() != null){
+      SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
+          wxConfigProvider.getSSLContext(),
+          new String[] { "TLSv1" },
+          null,
+          SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
+      builder.setSSLSocketFactory(sslsf);
+    }
+    httpClient = builder.build();
   }
 
   @Override
@@ -776,35 +787,37 @@ public class WxMpServiceImpl implements WxMpService {
 
   @Override
   public WxMpPrepayIdResult getPrepayId(String openId, String outTradeNo, double amt, String body, String tradeType, String ip, String callbackUrl) {
-    String nonce_str = System.currentTimeMillis() + "";
-
-    SortedMap<String, String> packageParams = new TreeMap<String, String>();
+    Map<String, String> packageParams = new HashMap<String, String>();
     packageParams.put("appid", wxMpConfigStorage.getAppId());
     packageParams.put("mch_id", wxMpConfigStorage.getPartnerId());
-    packageParams.put("nonce_str", nonce_str);
     packageParams.put("body", body);
     packageParams.put("out_trade_no", outTradeNo);
-
     packageParams.put("total_fee", (int) (amt * 100) + "");
     packageParams.put("spbill_create_ip", ip);
     packageParams.put("notify_url", callbackUrl);
     packageParams.put("trade_type", tradeType);
     packageParams.put("openid", openId);
 
+    return getPrepayId(packageParams);
+  }
+
+  public WxMpPrepayIdResult getPrepayId(final Map<String, String> parameters) {
+    String nonce_str = System.currentTimeMillis() + "";
+
+    final SortedMap<String, String> packageParams = new TreeMap<String, String>(parameters);
+    packageParams.put("appid", wxMpConfigStorage.getAppId());
+    packageParams.put("mch_id", wxMpConfigStorage.getPartnerId());
+    packageParams.put("nonce_str", nonce_str);
+    checkParameters(packageParams);
+
     String sign = WxCryptUtil.createSign(packageParams, wxMpConfigStorage.getPartnerKey());
-    String xml = "<xml>" +
-        "<appid>" + wxMpConfigStorage.getAppId() + "</appid>" +
-        "<mch_id>" + wxMpConfigStorage.getPartnerId() + "</mch_id>" +
-        "<nonce_str>" + nonce_str + "</nonce_str>" +
-        "<sign>" + sign + "</sign>" +
-        "<body><![CDATA[" + body + "]]></body>" +
-        "<out_trade_no>" + outTradeNo + "</out_trade_no>" +
-        "<total_fee>" + packageParams.get("total_fee") + "</total_fee>" +
-        "<spbill_create_ip>" + ip + "</spbill_create_ip>" +
-        "<notify_url>" + callbackUrl + "</notify_url>" +
-        "<trade_type>" + tradeType + "</trade_type>" +
-        "<openid>" + openId + "</openid>" +
-        "</xml>";
+    packageParams.put("sign", sign);
+
+    StringBuilder request = new StringBuilder("<xml>");
+    for (Entry<String, String> para : packageParams.entrySet()) {
+      request.append(String.format("<%s>%s</%s>", para.getKey(), para.getValue(), para.getKey()));
+    }
+    request.append("</xml>");
 
     HttpPost httpPost = new HttpPost("https://api.mch.weixin.qq.com/pay/unifiedorder");
     if (httpProxy != null) {
@@ -812,7 +825,7 @@ public class WxMpServiceImpl implements WxMpService {
       httpPost.setConfig(config);
     }
 
-    StringEntity entity = new StringEntity(xml, Consts.UTF_8);
+    StringEntity entity = new StringEntity(request.toString(), Consts.UTF_8);
     httpPost.setEntity(entity);
     try {
       CloseableHttpResponse response = getHttpclient().execute(httpPost);
@@ -822,17 +835,46 @@ public class WxMpServiceImpl implements WxMpService {
       WxMpPrepayIdResult wxMpPrepayIdResult = (WxMpPrepayIdResult) xstream.fromXML(responseContent);
       return wxMpPrepayIdResult;
     } catch (IOException e) {
-      e.printStackTrace();
+      throw new RuntimeException("Failed to get prepay id due to IO exception.", e);
     }
-    return new WxMpPrepayIdResult();
+  }
+
+  final String[] REQUIRED_ORDER_PARAMETERS = new String[] { "appid", "mch_id", "body", "out_trade_no", "total_fee", "spbill_create_ip", "notify_url",
+      "trade_type", };
+
+  private void checkParameters(Map<String, String> parameters) {
+    for (String para : REQUIRED_ORDER_PARAMETERS) {
+      if (!parameters.containsKey(para))
+        throw new IllegalArgumentException("Reqiured argument '" + para + "' is missing.");
+    }
+    if ("JSAPI".equals(parameters.get("trade_type")) && !parameters.containsKey("openid"))
+      throw new IllegalArgumentException("Reqiured argument 'openid' is missing when trade_type is 'JSAPI'.");
+    if ("NATIVE".equals(parameters.get("trade_type")) && !parameters.containsKey("product_id"))
+      throw new IllegalArgumentException("Reqiured argument 'product_id' is missing when trade_type is 'NATIVE'.");
   }
 
   @Override
   public Map<String, String> getJSSDKPayInfo(String openId, String outTradeNo, double amt, String body, String tradeType, String ip, String callbackUrl) {
-    WxMpPrepayIdResult wxMpPrepayIdResult = getPrepayId(openId, outTradeNo, amt, body, tradeType, ip, callbackUrl);
+    Map<String, String> packageParams = new HashMap<String, String>();
+    packageParams.put("appid", wxMpConfigStorage.getAppId());
+    packageParams.put("mch_id", wxMpConfigStorage.getPartnerId());
+    packageParams.put("body", body);
+    packageParams.put("out_trade_no", outTradeNo);
+    packageParams.put("total_fee", (int) (amt * 100) + "");
+    packageParams.put("spbill_create_ip", ip);
+    packageParams.put("notify_url", callbackUrl);
+    packageParams.put("trade_type", tradeType);
+    packageParams.put("openid", openId);
+
+    return getJSSDKPayInfo(packageParams);
+  }
+
+  @Override
+  public Map<String, String> getJSSDKPayInfo(Map<String, String> parameters) {
+    WxMpPrepayIdResult wxMpPrepayIdResult = getPrepayId(parameters);
     String prepayId = wxMpPrepayIdResult.getPrepay_id();
     if (prepayId == null || prepayId.equals("")) {
-      throw new RuntimeException("get prepayid error");
+      throw new RuntimeException(String.format("Failed to get prepay id due to error code '%s'(%s).", wxMpPrepayIdResult.getErr_code(), wxMpPrepayIdResult.getErr_code_des()));
     }
 
     Map<String, String> payInfo = new HashMap<String, String>();
@@ -903,5 +945,49 @@ public class WxMpServiceImpl implements WxMpService {
     return new WxMpPayCallback();
   }
   
-  
+  @Override
+  public boolean checkJSSDKCallbackDataSignature(Map<String, String> kvm, String signature) {
+	  return signature.equals(WxCryptUtil.createSign(kvm, wxMpConfigStorage.getPartnerKey()));
+  }
+
+  @Override
+  public WxRedpackResult sendRedpack(Map<String, String> parameters) throws WxErrorException {
+    String nonce_str = System.currentTimeMillis() + "";
+
+    SortedMap<String, String> packageParams = new TreeMap<String, String>(parameters);
+    packageParams.put("wxappid", wxMpConfigStorage.getAppId());
+    packageParams.put("mch_id", wxMpConfigStorage.getPartnerId());
+    packageParams.put("nonce_str", nonce_str);
+
+    String sign = WxCryptUtil.createSign(packageParams, wxMpConfigStorage.getPartnerKey());
+    packageParams.put("sign", sign);
+    
+    StringBuilder request = new StringBuilder("<xml>");
+    for (Entry<String, String> para : packageParams.entrySet()) {
+      request.append(String.format("<%s>%s</%s>", para.getKey(), para.getValue(), para.getKey()));
+    }
+    request.append("</xml>");
+    
+    HttpPost httpPost = new HttpPost("https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack");
+    if (httpProxy != null) {
+      RequestConfig config = RequestConfig.custom().setProxy(httpProxy).build();
+      httpPost.setConfig(config);
+    }
+
+    StringEntity entity = new StringEntity(request.toString(), Consts.UTF_8);
+    httpPost.setEntity(entity);
+    try {
+      CloseableHttpResponse response = getHttpclient().execute(httpPost);
+      String responseContent = Utf8ResponseHandler.INSTANCE.handleResponse(response);
+      XStream xstream = XStreamInitializer.getInstance();
+      xstream.processAnnotations(WxRedpackResult.class);
+      WxRedpackResult wxMpRedpackResult = (WxRedpackResult) xstream.fromXML(responseContent);
+      return wxMpRedpackResult;
+    } catch (IOException e) {
+      log.error(MessageFormatter.format("The exception was happened when sending redpack '{}'.", request.toString()).getMessage(), e);
+      WxError error = new WxError();
+      error.setErrorCode(-1);
+      throw new WxErrorException(error);
+    }
+  }
 }

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/outxmlbuilder/TransferCustomerServiceBuilder.java

@@ -5,7 +5,7 @@ import me.chanjar.weixin.mp.bean.WxMpXmlOutTransferCustomerServiceMessage;
 /**
  * 客服消息builder
  * <pre>
- * 用法: WxMpCustomMessage m = WxMpCustomMessage.TRANSFER_CUSTOMER_SERVICE().content(...).toUser(...).build();
+ * 用法: WxMpCustomMessage m = WxMpXmlOutMessage.TRANSFER_CUSTOMER_SERVICE().content(...).toUser(...).build();
  * </pre>
  *
  * @author chanjarster
@@ -25,4 +25,4 @@ public final class TransferCustomerServiceBuilder extends BaseBuilder<TransferCu
     m.setKfAccount(kfAccount);
     return m;
   }
-}
+}

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/result/WxMpPrepayIdResult.java

@@ -22,6 +22,9 @@ public class WxMpPrepayIdResult implements Serializable {
     private String result_code;
     private String prepay_id;
     private String trade_type;
+    private String err_code;
+    private String err_code_des;
+    private String code_url;
 
     public String getReturn_code() {
         return return_code;
@@ -94,4 +97,28 @@ public class WxMpPrepayIdResult implements Serializable {
     public void setTrade_type(String trade_type) {
         this.trade_type = trade_type;
     }
+    
+    public String getErr_code() {
+      return err_code;
+    }
+
+    public void setErr_code(String err_code) {
+      this.err_code = err_code;
+    }
+
+    public String getErr_code_des() {
+      return err_code_des;
+    }
+
+    public void setErr_code_des(String err_code_des) {
+      this.err_code_des = err_code_des;
+    }
+
+    public String getCode_url() {
+      return code_url;
+    }
+
+    public void setCode_url(String code_url) {
+      this.code_url = code_url;
+    }
 }

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/result/WxRedpackResult.java

@@ -0,0 +1,118 @@
+package me.chanjar.weixin.mp.bean.result;
+
+import java.io.Serializable;
+
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+
+/**
+ * 向微信用户个人发现金红包返回结果
+ * https://pay.weixin.qq.com/wiki/doc/api/cash_coupon.php?chapter=13_5
+ * @author kane
+ *
+ */
+@XStreamAlias("xml")
+public class WxRedpackResult implements Serializable {
+
+  /**
+   * 
+   */
+  private static final long serialVersionUID = -4837415036337132073L;
+
+  @XStreamAlias("return_code")
+  String returnCode;
+  @XStreamAlias("return_msg")
+  String returnMsg;
+  @XStreamAlias("sign")
+  String sign;
+  @XStreamAlias("result_code")
+  String resultCode;
+  
+  @XStreamAlias("err_code")
+  String errCode;
+  @XStreamAlias("err_code_des")
+  String errCodeDes;
+  @XStreamAlias("mch_billno")
+  String mchBillno;
+  @XStreamAlias("mch_id")
+  String mchId;
+  @XStreamAlias("wxappid")
+  String wxappid;
+  @XStreamAlias("re_openid")
+  String reOpenid;
+  @XStreamAlias("total_amount")
+  int totalAmount;
+  @XStreamAlias("send_time")
+  String sendTime;
+  @XStreamAlias("send_listid")
+  String sendListid;
+  
+  public String getErrCode() {
+    return errCode;
+  }
+  
+  public String getErrCodeDes() {
+    return errCodeDes;
+  }
+
+  public String getReturnCode() {
+    return returnCode;
+  }
+
+  public String getReturnMsg() {
+    return returnMsg;
+  }
+
+  public String getSign() {
+    return sign;
+  }
+
+  public String getResultCode() {
+    return resultCode;
+  }
+
+  public String getMchBillno() {
+    return mchBillno;
+  }
+
+  public String getMchId() {
+    return mchId;
+  }
+
+  public String getWxappid() {
+    return wxappid;
+  }
+
+  public String getReOpenid() {
+    return reOpenid;
+  }
+
+  public int getTotalAmount() {
+    return totalAmount;
+  }
+
+  public String getSendTime() {
+    return sendTime;
+  }
+
+  public String getSendListid() {
+    return sendListid;
+  }
+  
+  @Override
+  public String toString() {
+    return "WxRedpackResult{" +
+        "returnCode=" + returnCode +
+        ", returnMsg=" + returnMsg +
+        ", sign=" + sign +
+        ", errCode=" + errCode +
+        ", errCodeDes=" + errCodeDes +
+        ", mchBillno=" + mchBillno +
+        ", mchId=" + mchId +
+        ", wxappid=" + wxappid +
+        ", reOpenid=" + reOpenid +
+        ", totalAmount=" + totalAmount +
+        ", sendTime=" + sendTime +
+        ", sendListid=" + sendListid +
+        '}';
+  }
+}

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/http/MaterialUploadRequestExecutor.java

@@ -13,6 +13,7 @@ import org.apache.http.client.config.RequestConfig;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpPost;
 import org.apache.http.entity.ContentType;
+import org.apache.http.entity.mime.HttpMultipartMode;
 import org.apache.http.entity.mime.MultipartEntityBuilder;
 import org.apache.http.entity.mime.content.InputStreamBody;
 import org.apache.http.impl.client.CloseableHttpClient;
@@ -36,7 +37,9 @@ public class MaterialUploadRequestExecutor implements RequestExecutor<WxMpMateri
       }
       BufferedInputStream bufferedInputStream = new BufferedInputStream(new FileInputStream(file));
       MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create();
-      multipartEntityBuilder.addPart("media", new InputStreamBody(bufferedInputStream, material.getName()));
+      multipartEntityBuilder
+          .addPart("media", new InputStreamBody(bufferedInputStream, material.getName()))
+          .setMode(HttpMultipartMode.RFC6532);
       Map<String, String> form = material.getForm();
       if (material.getForm() != null) {
         multipartEntityBuilder.addTextBody("description", WxGsonBuilder.create().toJson(form));

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/json/WxMpUserGsonAdapter.java

@@ -19,7 +19,10 @@ public class WxMpUserGsonAdapter implements JsonDeserializer<WxMpUser> {
   public WxMpUser deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
     JsonObject o = json.getAsJsonObject();
     WxMpUser wxMpUser = new WxMpUser();
-    wxMpUser.setSubscribe(new Integer(0).equals(GsonHelper.getInteger(o, "subscribe")) ? false : true);
+    Integer subscribe = GsonHelper.getInteger(o, "subscribe");
+    if (subscribe != null) {
+      wxMpUser.setSubscribe(new Integer(0).equals(subscribe) ? false : true);
+    }
     wxMpUser.setCity(GsonHelper.getString(o, "city"));
     wxMpUser.setCountry(GsonHelper.getString(o, "country"));
     wxMpUser.setHeadImgUrl(GsonHelper.getString(o, "headimgurl"));

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/json/WxUserListGsonAdapter.java

@@ -22,7 +22,7 @@ public class WxUserListGsonAdapter implements JsonDeserializer<WxMpUserList> {
     wxMpUserList.setTotal(GsonHelper.getInteger(o, "total"));
     wxMpUserList.setCount(GsonHelper.getInteger(o, "count"));
     wxMpUserList.setNextOpenId(GsonHelper.getString(o, "next_openid"));
-    if (!o.get("data").isJsonNull() && !o.get("data").getAsJsonObject().get("openid").isJsonNull()) {
+    if (o.get("data") != null && !o.get("data").isJsonNull() && !o.get("data").getAsJsonObject().get("openid").isJsonNull()) {
       JsonArray data = o.get("data").getAsJsonObject().get("openid").getAsJsonArray();
       for (int i = 0; i < data.size(); i++) {
         wxMpUserList.getOpenIds().add(GsonHelper.getAsString(data.get(i)));

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/xml/XStreamTransformer.java

@@ -51,6 +51,8 @@ public class XStreamTransformer {
     map.put(WxMpXmlOutImageMessage.class, config_WxMpXmlOutImageMessage());
     map.put(WxMpXmlOutVideoMessage.class, config_WxMpXmlOutVideoMessage());
     map.put(WxMpXmlOutVoiceMessage.class, config_WxMpXmlOutVoiceMessage());
+    map.put(WxMpXmlOutTransferCustomerServiceMessage.class, config_WxMpXmlOutTransferCustomerServiceMessage());
+
     return map;
   }
 
@@ -111,4 +113,12 @@ public class XStreamTransformer {
     return xstream;
   }
 
+  private static XStream config_WxMpXmlOutTransferCustomerServiceMessage() {
+    XStream xstream = XStreamInitializer.getInstance();
+    xstream.processAnnotations(WxMpXmlOutMessage.class);
+    xstream.processAnnotations(WxMpXmlOutTransferCustomerServiceMessage.class);
+    xstream.processAnnotations(WxMpXmlOutTransferCustomerServiceMessage.TransInfo.class);
+    return xstream;
+  }
+
 }

weixin-java-mp/src/test/java/me/chanjar/weixin/mp/bean/WxRedpackResultTest.java

@@ -0,0 +1,63 @@
+package me.chanjar.weixin.mp.bean;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import com.thoughtworks.xstream.XStream;
+
+import me.chanjar.weixin.common.util.xml.XStreamInitializer;
+import me.chanjar.weixin.mp.bean.result.WxRedpackResult;
+
+public class WxRedpackResultTest {
+
+  private XStream xstream;
+
+  @Before
+  public void setup() {
+     xstream = XStreamInitializer.getInstance();
+     xstream.processAnnotations(WxRedpackResult.class);
+  }
+  
+  @Test public void loadSuccessResult() {
+    final String successSample = "<xml>\n" + 
+        "<return_code><![CDATA[SUCCESS]]></return_code>\n" + 
+        "<return_msg><![CDATA[发放成功.]]></return_msg>\n" + 
+        "<result_code><![CDATA[SUCCESS]]></result_code>\n" + 
+        "<err_code><![CDATA[0]]></err_code>\n" + 
+        "<err_code_des><![CDATA[发放成功.]]></err_code_des>\n" + 
+        "<mch_billno><![CDATA[0010010404201411170000046545]]></mch_billno>\n" + 
+        "<mch_id>10010404</mch_id>\n" + 
+        "<wxappid><![CDATA[wx6fa7e3bab7e15415]]></wxappid>\n" + 
+        "<re_openid><![CDATA[onqOjjmM1tad-3ROpncN-yUfa6uI]]></re_openid>\n" + 
+        "<total_amount>1</total_amount>\n" + 
+        "<send_listid>100000000020150520314766074200</send_listid>\n" + 
+        "<send_time>20150520102602</send_time>\n" + 
+        "</xml>";
+    WxRedpackResult wxMpRedpackResult = (WxRedpackResult) xstream.fromXML(successSample);
+    assertEquals("SUCCESS", wxMpRedpackResult.getReturnCode());
+    assertEquals("SUCCESS", wxMpRedpackResult.getResultCode());
+    assertEquals("20150520102602", wxMpRedpackResult.getSendTime());
+  }
+  
+  @Test public void loadFailureResult() {
+    final String failureSample = "<xml>\n" + 
+        "<return_code><![CDATA[FAIL]]></return_code>\n" + 
+        "<return_msg><![CDATA[系统繁忙,请稍后再试.]]></return_msg>\n" + 
+        "<result_code><![CDATA[FAIL]]></result_code>\n" + 
+        "<err_code><![CDATA[268458547]]></err_code>\n" + 
+        "<err_code_des><![CDATA[系统繁忙,请稍后再试.]]></err_code_des>\n" + 
+        "<mch_billno><![CDATA[0010010404201411170000046542]]></mch_billno>\n" + 
+        "<mch_id>10010404</mch_id>\n" + 
+        "<wxappid><![CDATA[wx6fa7e3bab7e15415]]></wxappid>\n" + 
+        "<re_openid><![CDATA[onqOjjmM1tad-3ROpncN-yUfa6uI]]></re_openid>\n" + 
+        "<total_amount>1</total_amount>\n" + 
+        "</xml>";
+    WxRedpackResult wxMpRedpackResult = (WxRedpackResult) xstream.fromXML(failureSample);
+    assertEquals("FAIL", wxMpRedpackResult.getReturnCode());
+    assertEquals("FAIL", wxMpRedpackResult.getResultCode());
+    assertEquals("onqOjjmM1tad-3ROpncN-yUfa6uI", wxMpRedpackResult.getReOpenid());
+    assertEquals(1, wxMpRedpackResult.getTotalAmount());
+  }
+}