[英]Can not get POST parameters when sending POST request with Retrofit
I am using Retrofit 2.0.0 to send POST request to my REST API. 我正在使用Retrofit 2.0.0向我的REST API发送POST请求。
private class AuthTask extends AsyncTask<String, String, String> {
protected String doInBackground(String... params) {
Call<Auth> call = service.auth(params[0], params[1]);
try {
Auth authResponse = call.execute().body();
Log.i(AuthActivity.class.getName(), authResponse.public_key);
} catch (IOException ex) {
Log.e(AuthActivity.class.getName(), "Error.");
return "error";
}
return "success";
}
protected void onPostExecute(String result) {
Log.i(AuthTask.class.getName(), "Done");
}
}
public class Auth {
public String public_key;
}
public interface AuthService {
@FormUrlEncoded
@POST("auth")
Call<Auth> auth(@Field("username") String username, @Field("publickey") String publickey);
}
Here is my log output for the request: 这是我的请求的日志输出:
12-14 19:36:54.014 30318-30373/com.app D/OkHttp: --> POST /auth HTTP/1.1
12-14 19:36:54.014 30318-30373/com.app D/OkHttp: username=ghtbznz&publickey=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCedhOhP9MgYufDxPKH1DdtJiBBdBtbsUy8R7kg%0AWm1Edm7c3ThToMxMgjvOAsHn8rP1Ka1eVN34hC4HV2%2BoomRaWH25WbunN9ZVRqBnowsTOd40eEKh%0A6dsO8Cl3u65VsArDyZyEQa7Ofx29i2juOpWRG%2F6tp9FVnJzZt5dBDkWOKwIDAQAB%0A
12-14 19:36:54.014 30318-30373/com.app D/OkHttp: --> END POST (256-byte body)
And here is the log output for the response: 这是响应的日志输出:
12-14 19:42:20.358 2549-2804/com.app D/OkHttp: <-- HTTP/1.1 200 OK (1790ms)
12-14 19:42:20.358 2549-2804/com.app D/OkHttp: Date: Mon, 14 Dec 2015 18:42:16 GMT
12-14 19:42:20.358 2549-2804/com.app D/OkHttp: Server: Apache/2.2.22 (Debian)
12-14 19:42:20.358 2549-2804/com.app D/OkHttp: Vary: Accept-Encoding
12-14 19:42:20.358 2549-2804/com.app D/OkHttp: Keep-Alive: timeout=5, max=99
12-14 19:42:20.366 2549-2804/com.app D/OkHttp: Connection: Keep-Alive
12-14 19:42:20.366 2549-2804/com.app D/OkHttp: Content-Type: text/html
12-14 19:42:20.366 2549-2804/com.app D/OkHttp: OkHttp-Selected-Protocol: http/1.1
12-14 19:42:20.366 2549-2804/com.app D/OkHttp: OkHttp-Sent-Millis: 1450118540088
12-14 19:42:20.366 2549-2804/com.app D/OkHttp: OkHttp-Received-Millis: 1450118540358
12-14 19:42:20.373 2549-2804/com.app D/OkHttp:
12-14 19:42:20.373 2549-2804/com.app D/OkHttp:
12-14 19:42:20.373 2549-2804/com.app D/OkHttp:
12-14 19:42:20.373 2549-2804/com.app D/OkHttp: array(0) {
12-14 19:42:20.373 2549-2804/com.app D/OkHttp: }
12-14 19:42:20.373 2549-2804/com.app D/OkHttp: Notice: Undefined index: username in /home/auth/index.php on line 45
12-14 19:42:20.373 2549-2804/com.app D/OkHttp: Notice: Undefined index: publickey in /home/auth/index.php on line 46
12-14 19:42:20.373 2549-2804/com.app D/OkHttp: <-- END HTTP (251-byte body)
In my PHP-file, this is how I retrieve the POST parameters: 在我的PHP文件中,这是我检索POST参数的方式:
$user = $_POST["username"];
$pk = $_POST["publickey"];
The strange thing is, when I use CURL to send the POST request everything works. 奇怪的是,当我使用CURL发送POST请求时,一切正常。 So my question is why am I not able to send the proper POST parameters with Retrofit?
所以我的问题是为什么我无法使用Retrofit发送正确的POST参数?
Retrofit may be like Angular in that the data is POSTed as mime-type "application/json" and not "application/x-www-form-urlencoded" or "multipart/form-data". 改造可能像Angular一样,数据被发布为mime类型的“application / json”而不是“application / x-www-form-urlencoded”或“multipart / form-data”。 PHP will not parse data into $_POST if it is "application/json".
如果数据为“application / json”,PHP将不会将数据解析为$ _POST。 So, you gotta do it your self.
所以,你必须自己动手。 I do something like this ...
我这样做......
if (isset($_SERVER['CONTENT_TYPE'])
and stripos($_SERVER['CONTENT_TYPE'], 'application/json') !== false
) {
$jsonEncoded = file_get_contents('php://input');
$jsonDecoded = json_decode($jsonEncoded, true);
if (is_array($jsonDecoded)) {
foreach ($jsonDecoded as $varName => $varValue) {
$_POST[$varName] = $varValue;
}
}
}
I installed the application Shark on my Android phone and sniffed the traffic. 我在我的Android手机上安装了应用程序Shark并嗅探了流量。 Finally, I found out that a redirect occurs (301) and therefore, all the POST parameters are gone.
最后,我发现重定向发生(301)因此,所有POST参数都消失了。
The solution is very simple. 解决方案非常简单。 Just add a slash after the REST endpoint:
只需在REST端点后添加斜杠:
public interface AuthService {
@FormUrlEncoded
@POST("auth/")
Call<Auth> auth(@Field("username") String username, @Field("publickey") String publickey);
}
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