实现企业付款的接口，暂时未调通，因缺少证书 for issue #50

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

@@ -1,8 +1,11 @@
 package me.chanjar.weixin.mp.api;
 
+import java.io.File;
 import java.util.Map;
 
 import me.chanjar.weixin.common.exception.WxErrorException;
+import me.chanjar.weixin.mp.bean.pay.WxEntPayRequest;
+import me.chanjar.weixin.mp.bean.pay.WxEntPayResult;
 import me.chanjar.weixin.mp.bean.pay.WxMpPayCallback;
 import me.chanjar.weixin.mp.bean.pay.WxMpPayRefundResult;
 import me.chanjar.weixin.mp.bean.pay.WxMpPayResult;
@@ -85,4 +88,17 @@ public interface WxMpPayService {
    */
   WxRedpackResult sendRedpack(WxSendRedpackRequest request) throws WxErrorException;
 
+  /**
+   * <pre> 
+   * 企业付款业务是基于微信支付商户平台的资金管理能力，为了协助商户方便地实现企业向个人付款，针对部分有开发能力的商户，提供通过API完成企业付款的功能。
+   * 比如目前的保险行业向客户退保、给付、理赔。
+   * 企业付款将使用商户的可用余额，需确保可用余额充足。查看可用余额、充值、提现请登录商户平台“资金管理”https://pay.weixin.qq.com/进行操作。
+   * 注意：与商户微信支付收款资金并非同一账户，需要单独充值。
+   * 文档详见:https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=14_2
+   * 接口链接：https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers
+   * @param keyFile  证书文件对象
+   * </pre>
+   */
+  WxEntPayResult entPay(WxEntPayRequest request, File keyFile) throws WxErrorException;
+
 }

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImpl.java

@@ -1,6 +1,9 @@
 package me.chanjar.weixin.mp.api.impl;
 
+import java.io.File;
+import java.io.FileInputStream;
 import java.lang.reflect.Field;
+import java.security.KeyStore;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -8,8 +11,19 @@ import java.util.Map.Entry;
 import java.util.SortedMap;
 import java.util.TreeMap;
 
+import javax.net.ssl.SSLContext;
+
 import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.conn.ssl.DefaultHostnameVerifier;
+import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.ssl.SSLContexts;
+import org.apache.http.util.EntityUtils;
 import org.joor.Reflect;
 
 import com.google.common.collect.Lists;
@@ -23,6 +37,8 @@ import me.chanjar.weixin.common.exception.WxErrorException;
 import me.chanjar.weixin.common.util.xml.XStreamInitializer;
 import me.chanjar.weixin.mp.api.WxMpPayService;
 import me.chanjar.weixin.mp.api.WxMpService;
+import me.chanjar.weixin.mp.bean.pay.WxEntPayRequest;
+import me.chanjar.weixin.mp.bean.pay.WxEntPayResult;
 import me.chanjar.weixin.mp.bean.pay.WxMpPayCallback;
 import me.chanjar.weixin.mp.bean.pay.WxMpPayRefundResult;
 import me.chanjar.weixin.mp.bean.pay.WxMpPayResult;
@@ -263,6 +279,23 @@ public class WxMpPayServiceImpl implements WxMpPayService {
 
   private void checkParameters(WxUnifiedOrderRequest request) {
 
+    checkNotNullParams(request);
+
+    if (!TRADE_TYPES.contains(request.getTradeType())) {
+      throw new IllegalArgumentException("trade_type目前必须为" + TRADE_TYPES + "其中之一");
+
+    }
+
+    if ("JSAPI".equals(request.getTradeType()) && request.getOpenid() == null) {
+      throw new IllegalArgumentException("当 trade_type是'JSAPI'时未指定openid");
+    }
+
+    if ("NATIVE".equals(request.getTradeType()) && request.getProductId() == null) {
+      throw new IllegalArgumentException("当 trade_type是'NATIVE'时未指定product_id");
+    }
+  }
+
+  private void checkNotNullParams(Object request) {
     List<String> nullFields = Lists.newArrayList();
     for (Entry<String, Reflect> entry : Reflect.on(request).fields()
         .entrySet()) {
@@ -281,20 +314,6 @@ public class WxMpPayServiceImpl implements WxMpPayService {
     if (!nullFields.isEmpty()) {
       throw new IllegalArgumentException("必填字段[" + nullFields + "]必须提供值");
     }
-
-    if (!TRADE_TYPES.contains(request.getTradeType())) {
-      throw new IllegalArgumentException("trade_type目前必须为" + TRADE_TYPES + "其中之一");
-
-    }
-
-    if ("JSAPI".equals(request.getTradeType()) && request.getOpenid() == null) {
-      throw new IllegalArgumentException("当 trade_type是'JSAPI'时未指定openid");
-    }
-
-    if ("NATIVE".equals(request.getTradeType())
-        && request.getProductId() == null) {
-      throw new IllegalArgumentException("当 trade_type是'NATIVE'时未指定product_id");
-    }
   }
 
   @Override
@@ -332,4 +351,50 @@ public class WxMpPayServiceImpl implements WxMpPayService {
     return payInfo;
   }
 
+  @Override
+  public WxEntPayResult entPay(WxEntPayRequest request, File keyFile) throws WxErrorException {
+    checkNotNullParams(request);
+
+    XStream xstream = XStreamInitializer.getInstance();
+    xstream.processAnnotations(WxEntPayRequest.class);
+    xstream.processAnnotations(WxEntPayResult.class);
+
+    request.setMchAppid(this.wxMpService.getWxMpConfigStorage().getAppId());
+    request.setMchId(this.wxMpService.getWxMpConfigStorage().getPartnerId());
+    request.setNonceStr(System.currentTimeMillis() + "");
+
+    String sign = this.createSign(xmlBean2Map(request), this.wxMpService.getWxMpConfigStorage().getPartnerKey());
+    request.setSign(sign);
+
+    String url = PAY_BASE_URL + "/mmpaymkttransfers/promotion/transfers";
+
+    try (FileInputStream instream = new FileInputStream(keyFile)) {
+      String mchId = request.getMchId();
+      KeyStore keyStore = KeyStore.getInstance("PKCS12");
+      keyStore.load(instream, mchId.toCharArray());
+
+      SSLContext sslcontext = SSLContexts.custom().loadKeyMaterial(keyStore, mchId.toCharArray()).build();
+      SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslcontext, new String[] { "TLSv1" }, null,
+          new DefaultHostnameVerifier());
+
+      try (CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(sslsf).build()) {
+        HttpPost httpPost = new HttpPost(url);
+        httpPost.setEntity(new StringEntity(new String(xstream.toXML(request).getBytes("UTF-8"), "ISO-8859-1")));
+
+        try (CloseableHttpResponse response = httpclient.execute(httpPost)) {
+          String responseContent = EntityUtils.toString(response.getEntity());
+          WxEntPayResult result = (WxEntPayResult) xstream.fromXML(responseContent);
+          if ("FAIL".equals(result.getResultCode())) {
+            throw new WxErrorException(
+                WxError.newBuilder().setErrorMsg(result.getErrCode() + ":" + result.getErrCodeDes()).build());
+          }
+
+          return result;
+        }
+      }
+    } catch (Exception e) {
+      throw new WxErrorException(WxError.newBuilder().setErrorMsg(e.getMessage()).build(), e);
+    }
+  }
+
 }

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayRequest.java

@@ -0,0 +1,253 @@
+package me.chanjar.weixin.mp.bean.pay;
+
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+
+/**
+ * 企业付款请求对象
+ * 注释中各行含义如下：
+ * 字段名、 变量名、 是否必填、 示例值、 类型、 描述
+ * Created by Binary Wang on 2016/10/02.
+ * @author binarywang (https://github.com/binarywang)
+ */
+@XStreamAlias("xml")
+public class WxEntPayRequest {
+  /**
+  * 公众账号appid
+  * mch_appid
+  * 是
+  * wx8888888888888888
+  * String
+  * 微信分配的公众账号ID（企业号corpid即为此appId）
+  */
+  @XStreamAlias("mch_appid")
+  private String mchAppid;
+
+  /**
+  *  商户号
+  *  mchid
+  *  是
+  *  1900000109
+  *  String(32)
+  *  微信支付分配的商户号
+  */
+  @XStreamAlias("mchid")
+  private String mchId;
+
+  /**
+  * 设备号
+  * device_info
+  * 否
+  * 13467007045764
+  * String(32)
+  *微信支付分配的终端设备号
+  */
+  @XStreamAlias("device_info")
+  private String deviceInfo;
+
+  /**
+  * 随机字符串
+  * nonce_str
+  *是
+  *5K8264ILTKCH16CQ2502SI8ZNMTM67VS
+  *String(32)
+  *随机字符串，不长于32位
+  */
+  @XStreamAlias("nonce_str")
+  private String nonceStr;
+
+  /**
+  * 签名
+  * sign
+  * 是
+  * C380BEC2BFD727A4B6845133519F3AD6
+  * String(32)
+  *签名，详见签名算法
+  */
+  @XStreamAlias("sign")
+  private String sign;
+
+  /**
+  * 商户订单号
+  * partner_trade_no
+  * 是
+  * 10000098201411111234567890
+  * String
+  * 商户订单号，
+  */
+  @XStreamAlias("partner_trade_no")
+  private String partnerTradeNo;
+
+  /**
+  * 需保持唯一性 用户openid
+  * openid
+  * 是
+  * oxTWIuGaIt6gTKsQRLau2M0yL16E
+  * String
+  * 商户appid下，某用户的openid
+  */
+  @XStreamAlias("openid")
+  private String openid;
+
+  /**
+  * 校验用户姓名选项
+  * check_name
+  * 是
+  * OPTION_CHECK
+  * String
+  * NO_CHECK：不校验真实姓名 
+  * FORCE_CHECK：强校验真实姓名（未实名认证的用户会校验失败，无法转账） 
+  * OPTION_CHECK：针对已实名认证的用户才校验真实姓名（未实名认证用户不校验，可以转账成功）
+  */
+  @XStreamAlias("check_name")
+  private String checkName;
+
+  /**
+  * 收款用户姓名
+  * re_user_name
+  * 可选
+  * 马花花
+  * String
+  * 收款用户真实姓名。
+  * 如果check_name设置为FORCE_CHECK或OPTION_CHECK，  则必填用户真实姓名
+  */
+  @XStreamAlias("re_user_name")
+  private String reUserName;
+
+  /**
+  * 金额
+  * amount
+  * 是
+  * 10099
+  * int
+  * 企业付款金额， 单位为分
+  */
+  @XStreamAlias("amount")
+  private Integer amount;
+
+  /**
+  * 企业付款描述信息
+  * desc
+  * 是
+  * 理赔
+  * String
+  * 企业付款操作说明信息。必填。
+  */
+  @XStreamAlias("desc")
+  private String description;
+
+  /**
+  * Ip地址
+  * spbill_create_ip
+  * 是
+  * 192.168.0.1
+  * String(32)
+  * 调用接口的机器Ip地址
+  */
+  @XStreamAlias("spbill_create_ip")
+  private String spbillCreateIp;
+
+  public String getMchAppid() {
+    return mchAppid;
+  }
+
+  public void setMchAppid(String mchAppid) {
+    this.mchAppid = mchAppid;
+  }
+
+  public String getMchId() {
+    return mchId;
+  }
+
+  public void setMchId(String mchId) {
+    this.mchId = mchId;
+  }
+
+  public String getDeviceInfo() {
+    return deviceInfo;
+  }
+
+  public void setDeviceInfo(String deviceInfo) {
+    this.deviceInfo = deviceInfo;
+  }
+
+  public String getNonceStr() {
+    return nonceStr;
+  }
+
+  public void setNonceStr(String nonceStr) {
+    this.nonceStr = nonceStr;
+  }
+
+  public String getSign() {
+    return sign;
+  }
+
+  public void setSign(String sign) {
+    this.sign = sign;
+  }
+
+  public String getPartnerTradeNo() {
+    return partnerTradeNo;
+  }
+
+  public void setPartnerTradeNo(String partnerTradeNo) {
+    this.partnerTradeNo = partnerTradeNo;
+  }
+
+  public String getOpenid() {
+    return openid;
+  }
+
+  public void setOpenid(String openid) {
+    this.openid = openid;
+  }
+
+  public String getCheckName() {
+    return checkName;
+  }
+
+  public void setCheckName(String checkName) {
+    this.checkName = checkName;
+  }
+
+  public String getReUserName() {
+    return reUserName;
+  }
+
+  public void setReUserName(String reUserName) {
+    this.reUserName = reUserName;
+  }
+
+  public Integer getAmount() {
+    return amount;
+  }
+
+  public void setAmount(Integer amount) {
+    this.amount = amount;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
+  public String getSpbillCreateIp() {
+    return spbillCreateIp;
+  }
+
+  public void setSpbillCreateIp(String spbillCreateIp) {
+    this.spbillCreateIp = spbillCreateIp;
+  }
+
+  @Override
+  public String toString() {
+    return ToStringBuilder.reflectionToString(this, ToStringStyle.JSON_STYLE);
+  }
+
+}

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/pay/WxEntPayResult.java

@@ -0,0 +1,190 @@
+package me.chanjar.weixin.mp.bean.pay;
+
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+
+/**
+ * 企业付款返回结果
+ * Created by Binary Wang on 2016/10/02.
+ * @author binarywang (https://github.com/binarywang)
+ */
+@XStreamAlias("xml")
+public class WxEntPayResult {
+
+  /**
+   * 返回状态码
+   */
+  @XStreamAlias("return_code")
+  private String returnCode;
+
+  /**
+   * 返回信息
+   */
+  @XStreamAlias("return_msg")
+  private String returnMsg;
+
+  //############以下字段在return_code为SUCCESS的时候有返回
+
+  /**
+   * 商户appid
+   */
+  @XStreamAlias("mch_appid")
+  private String mchAppid;
+
+  /**
+   * 商户号
+   */
+  @XStreamAlias("mchid")
+  private String mchId;
+
+  /**
+   * 设备号
+   */
+  @XStreamAlias("device_info")
+  private String deviceInfo;
+
+  /**
+   * 随机字符串
+   */
+  @XStreamAlias("nonce_str")
+  private String nonceStr;
+
+  /**
+   * 业务结果
+   */
+  @XStreamAlias("result_code")
+  private String resultCode;
+  /**
+   * 错误代码
+   */
+  @XStreamAlias("err_code")
+  private String errCode;
+
+  /**
+   * 错误代码描述
+   */
+  @XStreamAlias("err_code_des")
+  private String errCodeDes;
+
+  //############以下字段在return_code 和result_code都为SUCCESS的时候有返回##############
+  /**
+   * 商户订单号
+   */
+  @XStreamAlias("partner_trade_no")
+  private String partnerTradeNo;
+
+  /**
+   * 微信订单号
+   */
+  @XStreamAlias("payment_no")
+  private String paymentNo;
+
+  /**
+   * 微信支付成功时间
+   */
+  @XStreamAlias("payment_time")
+  private String paymentTime;
+
+  @Override
+  public String toString() {
+    return ToStringBuilder.reflectionToString(this, ToStringStyle.JSON_STYLE);
+  }
+
+  public String getReturnCode() {
+    return returnCode;
+  }
+
+  public void setReturnCode(String returnCode) {
+    this.returnCode = returnCode;
+  }
+
+  public String getReturnMsg() {
+    return returnMsg;
+  }
+
+  public void setReturnMsg(String returnMsg) {
+    this.returnMsg = returnMsg;
+  }
+
+  public String getMchAppid() {
+    return mchAppid;
+  }
+
+  public void setMchAppid(String mchAppid) {
+    this.mchAppid = mchAppid;
+  }
+
+  public String getMchId() {
+    return mchId;
+  }
+
+  public void setMchId(String mchId) {
+    this.mchId = mchId;
+  }
+
+  public String getDeviceInfo() {
+    return deviceInfo;
+  }
+
+  public void setDeviceInfo(String deviceInfo) {
+    this.deviceInfo = deviceInfo;
+  }
+
+  public String getNonceStr() {
+    return nonceStr;
+  }
+
+  public void setNonceStr(String nonceStr) {
+    this.nonceStr = nonceStr;
+  }
+
+  public String getResultCode() {
+    return resultCode;
+  }
+
+  public void setResultCode(String resultCode) {
+    this.resultCode = resultCode;
+  }
+
+  public String getErrCode() {
+    return errCode;
+  }
+
+  public void setErrCode(String errCode) {
+    this.errCode = errCode;
+  }
+
+  public String getErrCodeDes() {
+    return errCodeDes;
+  }
+
+  public void setErrCodeDes(String errCodeDes) {
+    this.errCodeDes = errCodeDes;
+  }
+
+  public String getPartnerTradeNo() {
+    return partnerTradeNo;
+  }
+
+  public void setPartnerTradeNo(String partnerTradeNo) {
+    this.partnerTradeNo = partnerTradeNo;
+  }
+
+  public String getPaymentNo() {
+    return paymentNo;
+  }
+
+  public void setPaymentNo(String paymentNo) {
+    this.paymentNo = paymentNo;
+  }
+
+  public String getPaymentTime() {
+    return paymentTime;
+  }
+
+  public void setPaymentTime(String paymentTime) {
+    this.paymentTime = paymentTime;
+  }
+}

weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImplTest.java

@@ -1,5 +1,7 @@
 package me.chanjar.weixin.mp.api.impl;
 
+import java.io.File;
+
 import org.testng.annotations.Guice;
 import org.testng.annotations.Test;
 
@@ -8,6 +10,7 @@ import com.google.inject.Inject;
 import me.chanjar.weixin.common.exception.WxErrorException;
 import me.chanjar.weixin.mp.api.ApiTestModule;
 import me.chanjar.weixin.mp.api.WxXmlMpInMemoryConfigStorage;
+import me.chanjar.weixin.mp.bean.pay.WxEntPayRequest;
 import me.chanjar.weixin.mp.bean.pay.WxRedpackResult;
 import me.chanjar.weixin.mp.bean.pay.WxSendRedpackRequest;
 import me.chanjar.weixin.mp.bean.pay.WxUnifiedOrderRequest;
@@ -74,4 +77,16 @@ public class WxMpPayServiceImplTest {
             .tradeType("JSAPI").openid("122").outTradeNo("111111").build());
     System.err.println(result);
   }
+
+  /**
+   * Test method for {@link me.chanjar.weixin.mp.api.impl.WxMpPayServiceImpl#entPay(WxEntPayRequest, File)}.
+   * @throws WxErrorException
+   */
+  @Test
+  public final void testEntPay() throws WxErrorException {
+    File keyFile = new File("E:\\dlt.p12");
+    WxEntPayRequest request = new WxEntPayRequest();
+    System.err.println(this.wxService.getPayService().entPay(request, keyFile));
+  }
+
 }