在获取会员卡信息中增加balance字段，涉及金额的balance字段改为double类型

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/membercard/WxMpMemberCardActivatedMessage.java

@@ -58,7 +58,7 @@ public class WxMpMemberCardActivatedMessage implements Serializable {
    * 初始余额，不填为0。
    */
   @SerializedName("init_balance")
-  private Integer initBalance;
+  private Double initBalance;
   /**
    * 创建时字段custom_field1定义类型的初始值，限制为4个汉字，12字节。
    */

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/membercard/WxMpMemberCardUpdateMessage.java

@@ -52,12 +52,12 @@ public class WxMpMemberCardUpdateMessage implements Serializable {
   /**
    * 需要设置的余额全量值，传入的数值会直接显示在卡面
    */
-  private Integer balance;
+  private Double balance;
   /**
    * 本次余额变动值，传负数代表减少
    */
   @SerializedName("add_balance")
-  private Integer addBalance;
+  private Double addBalance;
   /**
    * 商家自定义金额消耗记录，不超过14个汉字。
    */

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/membercard/WxMpMemberCardUpdateResult.java

@@ -28,7 +28,7 @@ public class WxMpMemberCardUpdateResult implements Serializable {
 
   private Integer resultBonus;
 
-  private Integer resultBalance;
+  private Double resultBalance;
 
   @Override
   public String toString() {

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/membercard/WxMpMemberCardUserInfoResult.java

@@ -33,6 +33,8 @@ public class WxMpMemberCardUserInfoResult implements Serializable {
 
   private Integer bonus;
 
+  private Double balance;
+
   private String sex;
 
   private MemberCardUserInfo userInfo;

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

@@ -29,7 +29,7 @@ public WxMpMemberCardUpdateResult deserialize(JsonElement jsonElement, Type type
     result.setOpenId(GsonHelper.getString(jsonObject, "openid"));
     result.setErrorCode(GsonHelper.getString(jsonObject, "errcode"));
     result.setErrorMsg(GsonHelper.getString(jsonObject, "errmsg"));
-    result.setResultBalance(GsonHelper.getInteger(jsonObject, "result_balance"));
+    result.setResultBalance(GsonHelper.getDouble(jsonObject, "result_balance"));
     result.setResultBonus(GsonHelper.getInteger(jsonObject, "result_bonus"));
 
     return result;

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

@@ -28,6 +28,7 @@ public WxMpMemberCardUserInfoResult deserialize(JsonElement jsonElement, Type ty
     result.setNickname(GsonHelper.getString(jsonObject, "nickname"));
     result.setMembershipNumber(GsonHelper.getString(jsonObject, "membership_number"));
     result.setBonus(GsonHelper.getInteger(jsonObject, "bonus"));
+    result.setBalance(GsonHelper.getDouble(jsonObject, "balance"));
     result.setSex(GsonHelper.getString(jsonObject, "sex"));
     result.setUserCardStatus(GsonHelper.getString(jsonObject, "user_card_status"));
     result.setHasActive(GsonHelper.getBoolean(jsonObject, "has_active"));