用的HttpUrlConnection模拟请求
URL serverUrl = new URL("");
HttpURLConnection conn = (HttpURLConnection) serverUrl.openConnection();
conn.setRequestMethod("POST");
conn.setDoOutput(true);
conn.connect();
String params = "hello";
conn.getOutputStream().write(params.getBytes());
conn.getOutputStream().flush();
conn.getOutputStream().close();
InputStream is = conn.getInputStream();
但是请求的接口,想获得inputStream为空,
解决方法:
新增Content-Type请求头,明确告诉服务器处理什么样的数据。
conn.setRequestProperty("content-type", "text/html");
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