From 45f3e54526e524f8ade88b944866b2931a2efaa6 Mon Sep 17 00:00:00 2001
From: yang229 <yangfeng229@gmail.com>
Date: Tue, 24 Dec 2019 16:13:20 +0800
Subject: [PATCH] =?UTF-8?q?:bug:=20#1332=20=E5=BE=AE=E4=BF=A1=E5=8D=A1?=
 =?UTF-8?q?=E5=88=B8=E4=BF=AE=E5=A4=8D=E7=AD=BE=E5=90=8D=E7=94=9F=E6=88=90?=
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微信卡券签名生成错误
https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/JS-SDK.html#65
签名说明#1
参数字符串的应先按照字典序排序,再进行sha1加密
---
 .../java/me/chanjar/weixin/mp/api/impl/WxMpCardServiceImpl.java  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpCardServiceImpl.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpCardServiceImpl.java
index 740c96e95..1bf61ffe3 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpCardServiceImpl.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/WxMpCardServiceImpl.java
@@ -81,6 +81,7 @@ public class WxMpCardServiceImpl implements WxMpCardService {
     signParams[optionalSignParam.length + 1] = nonceStr;
     signParams[optionalSignParam.length + 2] = cardApiTicket;
     StringBuilder sb = new StringBuilder();
+    Arrays.sort(signParams);
     for (String a : signParams) {
       sb.append(a);
     }