请求头如下:
HttpPost httppost = new HttpPost("https://api.mch.weixin.qq.com/v3/pay/partner/transactions/jsapi");
httppost.addHeader("Content-Type", "application/json");
httppost.addHeader("Accept", "application/json");
httppost.addHeader("Authorization", "WECHATPAY2-SHA256-RSA2048 "+token);
具体响应信息如下:
<html>
<head><title>400 Bad Request</title></head>
<body bgcolor="white">
<center><h1>400 Bad Request</h1></center>
<hr><center>nginx</center>
</body>
</html>
可参考下:https://developers.weixin.qq.com/community/develop/article/doc/00080c7ec781106b3c9bdc72853413