微信小程式踩坑記錄

1.微信小程式碼圖片獲取

public static byte[] postJsonToByte(String jsonStr, String uri) {
        HttpPost post = new HttpPost(uri);
        StringEntity entity = new StringEntity(jsonStr, ContentType.APPLICATION_JSON);
        post.setEntity(entity);
        CloseableHttpClient httpClient = HttpClientBuilder.create().build();

        try {
            CloseableHttpResponse response = httpClient.execute(post);
            return response.getStatusLine().getStatusCode() == 200 ? response.getEntity().getContent().readAllBytes() : null;
        } catch (Exception var6) {
            return null;
        }
    }