android手机端需要发送一个json格式的数据，返回的也是json数据。
现在问题出现在，我无论怎么写都返回400，Bad Request。
问题出在哪儿呢？且看代码，感觉该设置的都设置了。
[code="java"]
/**
* POST获取服务端数据,发送的是json格式的数据
* @param urlString
* @param json 需要发送的json数据
* @return
* @throws ClientProtocolException
* @throws IOException
*/
public String getDataFromServerByPostForJson(String urlString,JSONObject json) throws ClientProtocolException, IOException{
String strResult = null;
HttpClient client = new DefaultHttpClient();
StringEntity entity = new StringEntity(json.toString());
entity.setContentType(new BasicHeader(HTTP.CONTENT_TYPE, "application/x-www-form-urlencoded"));//"application/octet-stream"
entity.setContentEncoding(new BasicHeader(HTTP.CONTENT_ENCODING,HTTP.UTF_8));
HttpPost post = new HttpPost(urlString);
post.setHeader("Accept", "application/json");
post.setHeader("Content-Type", "application/json");
post.setEntity(entity);
HttpResponse response = client.execute(post);
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
strResult = EntityUtils.toString(response.getEntity(), HTTP.UTF_8);
}else{
post.abort();
strResult = "Error Response code "
+ response.getStatusLine().getStatusCode() + " :"
+ response.getStatusLine().toString();
Log.i("tag", strResult);
return null;
}
return strResult;
}
[/code]
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