通过微信小程序平台提供的接口 访问日活数据 date format错误？

Question

https://api.weixin.qq.com/dat...
POST 内容示例：

{
"begin_date" : "20170313",
"end_date" : "20170313"
}

            CloseableHttpClient httpClient = createSSLClientDefault();
            HttpPost httpPost = new HttpPost();
            httpPost.setURI(new URI(url));
            httpPost.setEntity(new UrlEncodedFormEntity(nvps));

            CloseableHttpResponse response = httpClient.execute(httpPost);
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                String result = EntityUtils.toString(entity, "UTF-8");
                System.out.println("Response content: " + result);
                return result;
            }

Response content: {"errcode":61500,"errmsg":"date format error hint: [Dy5YZa0787e541]"}

Answer 1

httpPost.setEntity(new StringEntity(params.toString(), "UTF-8"));

Answer 2

你看，

{
"begin_date" : "20170313",
"end_date" : "20170313"
}

这是一个json的传参格式，而你用的却是urlencoded方式