微信小程序二维码

返回PNG格式的二维码

"https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" + getAccessToken();



      String scene = "" + sysUserId;


        Map<String, Object> body = new HashMap<>();
        body.put("scene", scene);
        body.put("width", width);
        body.put("env_version", StringUtils.isBlank(envVersion) ? "release" : envVersion);
        // 直接获取字节数组，而不是尝试解析为JSON
        Mono<byte[]> qrCodeMono = WebClient.create()
                .post().uri(uri).body(BodyInserters.fromValue(body)).retrieve().bodyToMono(byte[].class);
        byte[] qrCodeBytes = qrCodeMono.block();