微信支付接口抽取部分常量

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/constant/WxPayConstants.java

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+package com.github.binarywang.wxpay.constant;
+
+/**
+ * <pre>
+ * 微信支付常量类
+ * Created by Binary Wang on 2017-8-24.
+ * </pre>
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ */
+public class WxPayConstants {
+  /**
+   * 校验用户姓名选项，企业付款时使用
+   */
+  public static class CheckNameOption {
+    /**
+     * 不校验真实姓名
+     */
+    public static final String NO_CHECK = "NO_CHECK";
+
+    /**
+     * 强校验真实姓名
+     */
+    public static final String FORCE_CHECK = "FORCE_CHECK";
+  }
+
+  /**
+   * 订单类型
+   */
+  public static class BillType {
+    /**
+     * 查询红包时使用：通过商户订单号获取红包信息
+     */
+    public static final String MCHT = "MCHT";
+
+    //以下为下载对账单时的账单类型
+    /**
+     * 返回当日所有订单信息，默认值
+     */
+    public static final String ALL = "ALL";
+    /**
+     * 返回当日成功支付的订单
+     */
+    public static final String SUCCESS = "SUCCESS";
+    /**
+     * 返回当日退款订单
+     */
+    public static final String REFUND = "REFUND";
+    /**
+     * 返回当日充值退款订单（相比其他对账单多一栏“返还手续费”）
+     */
+    public static final String RECHARGE_REFUND = "RECHARGE_REFUND";
+  }
+
+  /**
+   * 交易类型
+   */
+  public static class TradeType {
+    /**
+     * 原生扫码支付
+     */
+    public static final String NATIVE = "NATIVE";
+
+    /**
+     * App支付
+     */
+    public static final String APP = "APP";
+
+    /**
+     * 公众号支付
+     */
+    public static final String JSAPI = "JSAPI";
+
+    /**
+     * 刷卡支付，刷卡支付有单独的支付接口，不调用统一下单接口
+     */
+    public static final String MICROPAY = "MICROPAY";
+  }
+
+  /**
+   * 签名类型
+   */
+  public static class SignType {
+    public static final String HMAC_SHA256 = "HMAC-SHA256";
+    public static final String MD5 = "MD5";
+  }
+}