http-post | 易学教程

Spring Rest: Cannot insert rows that have @ManyToOne column

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I am following a spring getting started tutorial in https://spring.io/guides/gs/accessing-data-rest/ I added another entity books that has @ManyToOne relation to Person entity. Person entity has a new property called bikes and has a @OneToMany relation with Bike entity. Only thing that is different from the getting started project is the new attribute with its getter and setter: package hello; import java.util.List; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.OneToMany;

Problems with a Build_HttpBody() // httpPost.setEntity() - Android

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I develop AndroidApps with AndroidStudio I start to do a simple HttpPost Request and I had a problems, all post that I could find do this: private void CheckLoguin_Request(String User, String Pass){ //Declaration of variables HttpClient httpClient = new DefaultHttpClient(); HttpPost Request = new HttpPost(url_Loguin); HttpResponse Response; List<NameValuePair> BodyRequest_Elements = new ArrayList<NameValuePair>(); BodyRequest_Elements.add(new BasicNameValuePair("user_name", User)); BodyRequest_Elements.add(new BasicNameValuePair("user_passwd", Pass)); Request.setEntity(new UrlEncodedFormEntity

NetworkError: Failed to execute 'send' on 'XMLHttpRequest'

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问题 I'm trying to do a POST ajax request to a server hosted locally on my laptop but I can't seem to get any information back. When I click a button on my site (localhost), I can see the server passing back the correct information but on the front end I get this error: error: NetworkError: Failed to execute 'send' on 'XMLHttpRequest': Failed to load 'http://comp-ip'. var param = JSON.stringify({varA:"varA",varB:"varB"}); $.ajax({ type: "POST", url: "http://comp-ip", async: false, data: param,

HTTP Post Request: Error 400, Firebase Topic Messaging

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I'm trying to implement Firebase Topic Messaging in an Android application, and I'm attempting to build a HTTP post request, and I'm receiving a response code of 400. I have looked at various solutions but none of them have seemed to help. Here is where I call the subclass of AsyncTask: try{new FirebaseSendMessage().execute("Hello world");} catch (Exception e) { Log.d("Exception", e.toString()); } Here is my Async Task class's subclass. class FirebaseSendMessage extends AsyncTask<String, Integer, Double> { private final static String USER_AGENT = "Mozilla/5.0"; private final static String AUTH

Android: how to do HttpPost with a certificate

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问题 I have an Application that performs an HttpPost. Now I need to add a Certificate to the post to be accepted by the server receiving the HttpPost. Please how do I go about it? Any suggestion very much appreciated !!! HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost("https://svcs.sandbox.paypal.com/AdaptivePayments/Preapproval"); try { httppost.addHeader("X-PAYPAL-SECURITY-USERID", "maurizio.pietrantuono_api1.db.com"); httppost.addHeader("X-PAYPAL-SECURITY

Why is my Asp.Net Form arriving empty when I post from Page to Page?

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I have the following HTML Code <%@ Page Language="C#" %> <html> <head> <title></title> </head> <body> <form id="frmSystem" method="post" action="target.aspx"> <input id="txtTextField" type="text" /> <input id="btnPost" value="Submit" onclick="javascript:frmSystem.submit();" type="button" /> </form> </body> </html> The target Page is coming up but the form that it is receiving is empty. I have a break point on my target.aspx page and while I can see a form, it's keys are empty and Request["txtTextField"] gives me nothing. Any clue why? If you are using ASP.NET MVC, the input names need to be

I need know how much bytes has been uploaded for update a progress bar android

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I am developing an app for upload video to a Apache/PHP Server. In this moment I already can upload videos. I need show a progress bar while the file is being uploaded. I have the next code using AsyncTask and HTTP 4.1.1 Libraries for emulate the FORM. class uploadVideo extends AsyncTask<Void,Void,String>{ @Override protected String doInBackground(Void... params) { // Create a new HttpClient and Post Header HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost("http://www.youtouch.cl/videoloader/index.php"); try { // Add your data File input=new File(fileName);

Picasso load image with HTTP post

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My API having some verification mechanism for every HTTP request. One of the end-point have the functionality to load a image using HTTP post method. The post request body will contain a JSON object which is verified from the server side. For that i need to include a JSON like this on the http post request body. { "session_id": "someId", "image_id": "some_id" } how can I do this with Picasso ? I got the solution from the hint given by Mr.Jackson Chengalai. Create a Okhttp request interceptor private static class PicassoInterceptor implements Interceptor { @Override public Response intercept

Open a new popup window and post data to it

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问题 I'm using jQuery to open a popup and I'd like to send it data using the post method when it opens. Can anyone help me, thanks in advance. I am currently passing the data using the get method so the data is a part in url, but I don't want the data to be visible in the url. function openWindow(){ var name = $('#name').val(); var url = 'popup_window.php?name='+name; window.open( url, 'popUpWindow', 'height=400, \ width=650, \ left=300, \ top=100, \ resizable=yes, \ scrollbars=yes, \ toolbar=yes,

Why do I need FromBody Attribute when expecting data in POST body

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问题 I can send my data to the server but ONLY when I use the FromBody-Attribute. Why is the json data not automatically read from the Body using a Post? Backend web api [HttpPost] public async Task<IActionResult> Post([FromBody]CreateSchoolyearRequestDTO dto) { } Frontend angularjs this.createSchoolyear = function (schoolyear) { var path = "/api/schoolyears"; return $http({ url: path, method: "POST", data: schoolyear, contentType: "application/json" }).then(function (response) { return response;