🔧 微信内H5调起支付再次签名

IJPay-Demo/src/main/java/com/ijpay/demo/controller/wxpay/WxPayController.java

@@ -117,7 +117,7 @@ public class WxPayController {
 
         String prepay_id = resultMap.get("prepay_id");
 
-        Map<String, String> packageParams = WxPayKit.prepayIdCreateSign(prepay_id, wxPayBean.getAppId(), wxPayBean.getPartnerKey());
+        Map<String, String> packageParams = WxPayKit.prepayIdCreateSign(prepay_id, wxPayBean.getAppId(), wxPayBean.getPartnerKey(),SignType.HMACSHA256);
 
         String jsonStr = JSON.toJSONString(packageParams);
         return new AjaxResult().success(jsonStr);

IJPay-WxPay/src/main/java/com/ijpay/wxpay/kit/WxPayKit.java

@@ -267,21 +267,25 @@ public class WxPayKit {
     }
 
     /**
-     * 预付订单再次签名
+     * 公众号支付-预付订单再次签名<br/>
+     * 注意此处签名方式需与统一下单的签名类型一致<br/>
      *
      * @param prepay_id  预付订单号
      * @param appId      应用编号
      * @param partnerKey API Key
      * @return {@link Map<String,String>} 再次签名后的 Map
      */
-    public static Map<String, String> prepayIdCreateSign(String prepay_id, String appId, String partnerKey) {
+    public static Map<String, String> prepayIdCreateSign(String prepay_id, String appId, String partnerKey, SignType signType) {
         Map<String, String> packageParams = new HashMap<String, String>();
         packageParams.put("appId", appId);
         packageParams.put("timeStamp", String.valueOf(System.currentTimeMillis() / 1000));
         packageParams.put("nonceStr", String.valueOf(System.currentTimeMillis()));
         packageParams.put("package", "prepay_id=" + prepay_id);
-        packageParams.put("signType", "MD5");
-        String packageSign = WxPayKit.createSign(packageParams, partnerKey, SignType.MD5);
+        if (signType == null) {
+            signType = SignType.MD5;
+        }
+        packageParams.put("signType", signType.getType());
+        String packageSign = WxPayKit.createSign(packageParams, partnerKey, signType);
         packageParams.put("paySign", packageSign);
         return packageParams;
     }