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веб-разработке","slug":"web_development","short_name":"Веб-разработка","order":190,"state":"published","category_slug":"courses_web_development"},"answerDto":{"id":null,"body":"","meta":{"model":"question_answer","relations":{}}},"question":{"creator":{"id":363630,"email":"a.agaphonov@ya.ru","first_name":"Человек-Молекула","last_name":"","telegram":null,"full_name":"Человек-Молекула","removed":false},"category":{"id":4,"title":"Java","slug":"java","questions_count":931,"locale":"ru"},"tags":[],"id":812,"answers_count":1,"slug":"kak-otpravit-post-zapros-java","state":"published","title":"Как отправить post запрос java\r","created_at":"2021-11-23T11:30:10.202Z","details":null,"best_answer_id":2581,"related_stacks_count":5},"answers":[{"user":{"id":576892,"email":"ammaddeuss@gmail.com","first_name":"Иван","last_name":"Полежаев","telegram":"Ammaddeuss","full_name":"Иван Полежаев","removed":false},"question":{"creator":{"id":363630,"email":"a.agaphonov@ya.ru","first_name":"Человек-Молекула","last_name":"","telegram":null,"full_name":"Человек-Молекула","removed":false},"category":{"id":4,"title":"Java","slug":"java","questions_count":931,"locale":"ru"},"tags":[],"id":812,"answers_count":1,"slug":"kak-otpravit-post-zapros-java","state":"published","title":"Как отправить post запрос java\r","created_at":"2021-11-23T11:30:10.202Z","details":null,"best_answer_id":2581,"related_stacks_count":5},"id":2581,"state":"active","body":"Чтобы отправить `POST-запрос` в `Java`, вы можете использовать стандартную библиотеку `java.net.HttpURLConnection`\r\n\r\nВот пример кода, который отправляет `POST-запрос` на сервер и выводит ответ:\r\n\r\n```java\r\nimport java.io.BufferedReader;\r\nimport java.io.InputStreamReader;\r\nimport java.io.OutputStreamWriter;\r\nimport java.net.HttpURLConnection;\r\nimport java.net.URL;\r\n\r\npublic class HttpPostRequest {\r\n public static void main(String[] args) {\r\n try {\r\n // Создаем URL-адрес для запроса\r\n URL url = new URL(\"http://www.example.com/api\");\r\n\r\n // Создаем объект HttpURLConnection и настраиваем его\r\n HttpURLConnection connection = (HttpURLConnection) url.openConnection();\r\n connection.setRequestMethod(\"POST\");\r\n connection.setDoOutput(true);\r\n\r\n // Создаем тело запроса\r\n String body = \"param1=value1&param2=value2\";\r\n\r\n // Записываем тело запроса в поток вывода\r\n OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());\r\n writer.write(body);\r\n writer.flush();\r\n\r\n // Считываем ответ от сервера\r\n BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));\r\n String line;\r\n StringBuilder response = new StringBuilder();\r\n while ((line = reader.readLine()) != null) {\r\n response.append(line);\r\n }\r\n reader.close();\r\n\r\n // Выводим ответ от сервера\r\n System.out.println(response.toString());\r\n } catch (Exception e) {\r\n e.printStackTrace();\r\n }\r\n }\r\n}\r\n```\r\n- Здесь мы создаем объект `HttpURLConnection` и настраиваем его для отправки `POST-запроса` \r\n- Затем мы записываем тело запроса в поток вывода и считываем ответ от сервера с помощью `BufferedReader`\r\n- В конце мы выводим ответ от сервера на экран.\r\n\r\nОбратите внимание, что в примере мы отправляем запрос с параметрами `param1` и `param2`, но вы можете изменить их на свои параметры в зависимости от вашего запроса.","votes_up_count":1,"votes_down_count":0,"created_at":"2023-04-11T21:12:01.361Z","user_id":576892,"category_slug":"java"}],"relatedQuestions":[{"creator":{"id":363630,"email":"a.agaphonov@ya.ru","first_name":"Человек-Молекула","last_name":"","telegram":null,"full_name":"Человек-Молекула","removed":false},"category":{"id":4,"title":"Java","slug":"java","questions_count":931,"locale":"ru"},"tags":[],"id":808,"answers_count":1,"slug":"kak-zadat-prefiks-vsem-dochernim-nodam-java","state":"published","title":"Как задать префикс всем дочерним нодам 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java\r","created_at":"2021-11-23T11:30:09.677Z","details":null,"best_answer_id":1489,"related_stacks_count":5},{"creator":{"id":363630,"email":"a.agaphonov@ya.ru","first_name":"Человек-Молекула","last_name":"","telegram":null,"full_name":"Человек-Молекула","removed":false},"category":{"id":4,"title":"Java","slug":"java","questions_count":931,"locale":"ru"},"tags":[],"id":802,"answers_count":1,"slug":"kak-podklyuchit-json-java","state":"published","title":"Как подключить json java\r","created_at":"2021-11-23T11:30:09.540Z","details":null,"best_answer_id":1399,"related_stacks_count":5},{"creator":{"id":363630,"email":"a.agaphonov@ya.ru","first_name":"Человек-Молекула","last_name":"","telegram":null,"full_name":"Человек-Молекула","removed":false},"category":{"id":4,"title":"Java","slug":"java","questions_count":931,"locale":"ru"},"tags":[],"id":801,"answers_count":1,"slug":"kak-vvesti-char-java","state":"published","title":"Как ввести char 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{.mantine-hidden-from-lg {display: none !important;}}@media (max-width: 87.99375em) {.mantine-visible-from-xl {display: none !important;}}@media (min-width: 88em) {.mantine-hidden-from-xl {display: none !important;}}</style><script type="application/ld+json">{"@context":"https://schema.org","@type":"QAPage","mainEntity":{"@type":"Question","name":"Как отправить post запрос java\r","answerCount":1,"datePublished":"2021-11-23T11:30:10.202Z","author":{"@type":"Person","name":"Человек-Молекула"},"acceptedAnswer":{"@type":"Answer","text":"Чтобы отправить `POST-запрос` в `Java`, вы можете использовать стандартную библиотеку `java.net.HttpURLConnection`\r\n\r\nВот пример кода, который отправляет `POST-запрос` на сервер и выводит ответ:\r\n\r\n```java\r\nimport java.io.BufferedReader;\r\nimport java.io.InputStreamReader;\r\nimport java.io.OutputStreamWriter;\r\nimport java.net.HttpURLConnection;\r\nimport java.net.URL;\r\n\r\npublic class HttpPostRequest {\r\n public static void main(String[] args) {\r\n try {\r\n // Создаем URL-адрес для запроса\r\n URL url = new URL("http://www.example.com/api");\r\n\r\n // Создаем объект HttpURLConnection и настраиваем его\r\n HttpURLConnection connection = (HttpURLConnection) url.openConnection();\r\n connection.setRequestMethod("POST");\r\n connection.setDoOutput(true);\r\n\r\n // Создаем тело запроса\r\n String body = "param1=value1&param2=value2";\r\n\r\n // Записываем тело запроса в поток вывода\r\n OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());\r\n writer.write(body);\r\n writer.flush();\r\n\r\n // Считываем ответ от сервера\r\n BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));\r\n String line;\r\n StringBuilder response = new StringBuilder();\r\n while ((line = reader.readLine()) != null) {\r\n response.append(line);\r\n }\r\n reader.close();\r\n\r\n // Выводим ответ от сервера\r\n System.out.println(response.toString());\r\n } catch (Exception e) {\r\n e.printStackTrace();\r\n }\r\n }\r\n}\r\n```\r\n- Здесь мы создаем объект `HttpURLConnection` и настраиваем его для отправки `POST-запроса` \r\n- Затем мы записываем тело запроса в поток вывода и считываем ответ от сервера с помощью `BufferedReader`\r\n- В конце мы выводим ответ от сервера на экран.\r\n\r\nОбратите внимание, что в примере мы отправляем запрос с параметрами `param1` и `param2`, но вы можете изменить их на свои параметры в зависимости от вашего запроса.","datePublished":"2023-04-11T21:12:01.361Z","upvoteCount":1,"author":{"@type":"Person","name":"Иван Полежаев"},"url":"https://ru.hexlet.io/qna/java/questions/kak-otpravit-post-zapros-java#answer-2581"}}}</script><div style="--container-size:var(--container-size-lg);margin-top:var(--mantine-spacing-xl);height:100%" class="m_7485cace mantine-Container-root" data-size="lg" data-strategy="block"><script 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href="/qna/java/questions/kak-otpravit-post-zapros-java/answers/2581/vote"><div style="--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-thumb-up "><path d="M7 11v8a1 1 0 0 1 -1 1h-2a1 1 0 0 1 -1 -1v-7a1 1 0 0 1 1 -1h3a4 4 0 0 0 4 -4v-1a2 2 0 0 1 4 0v5h3a2 2 0 0 1 2 2l-1 5a2 3 0 0 1 -2 2h-7a3 3 0 0 1 -3 -3"></path></svg></div></a><div style="--ti-bg:transparent;--ti-color:var(--mantine-color-indigo-light-color);--ti-bd:calc(0.0625rem * var(--mantine-scale)) solid transparent;color:inherit" class="m_7341320d mantine-ThemeIcon-root" data-variant="transparent"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-check "><path d="M5 12l5 5l10 -10"></path></svg></div></div><div style="--stack-gap:var(--mantine-spacing-md);--stack-align:stretch;--stack-justify:flex-start;width:100%;min-width:0rem" class="m_6d731127 mantine-Stack-root"><div style="margin-bottom:auto" class="m_d08caa0 mantine-Typography-root"><p>Чтобы отправить <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">POST-запрос</code> в <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">Java</code>, вы можете использовать стандартную библиотеку <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">java.net.HttpURLConnection</code></p>
<p>Вот пример кода, который отправляет <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">POST-запрос</code> на сервер и выводит ответ:</p>
<div style="margin-bottom:var(--mantine-spacing-lg)" class="m_e597c321 mantine-CodeHighlight-codeHighlight" dir="ltr"><div class="m_be7e9c9c mantine-CodeHighlight-controls"><button style="--ai-bg:transparent;--ai-hover:transparent;--ai-color:inherit;--ai-bd:none" class="mantine-focus-auto mantine-active m_d498bab7 mantine-CodeHighlight-control m_8d3f4000 mantine-ActionIcon-root m_87cf2631 mantine-UnstyledButton-root" data-variant="none" type="button" aria-label="Copy code"><span class="m_8d3afb97 mantine-ActionIcon-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M8 8m0 2a2 2 0 0 1 2 -2h8a2 2 0 0 1 2 2v8a2 2 0 0 1 -2 2h-8a2 2 0 0 1 -2 -2z"></path><path d="M16 8v-2a2 2 0 0 0 -2 -2h-8a2 2 0 0 0 -2 2v8a2 2 0 0 0 2 2h2"></path></svg></span></button></div><div style="--scrollarea-scrollbar-size:calc(0.25rem * var(--mantine-scale));--sa-corner-width:0px;--sa-corner-height:0px" class="m_f744fd40 mantine-CodeHighlight-scrollarea m_d57069b5 mantine-ScrollArea-root" dir="ltr"><div style="overflow-x:hidden;overflow-y:hidden;overscroll-behavior-inline:none" class="m_c0783ff9 mantine-ScrollArea-viewport" data-scrollbars="xy"><div class="m_b1336c6 mantine-ScrollArea-content"><pre class="m_2c47c4fd mantine-CodeHighlight-pre" style="padding:0"><code class="m_5caae6d3 mantine-CodeHighlight-code">import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
public class HttpPostRequest {
public static void main(String[] args) {
try {
// Создаем URL-адрес для запроса
URL url = new URL("http://www.example.com/api");
// Создаем объект HttpURLConnection и настраиваем его
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("POST");
connection.setDoOutput(true);
// Создаем тело запроса
String body = "param1=value1&param2=value2";
// Записываем тело запроса в поток вывода
OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
writer.write(body);
writer.flush();
// Считываем ответ от сервера
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
StringBuilder response = new StringBuilder();
while ((line = reader.readLine()) != null) {
response.append(line);
}
reader.close();
// Выводим ответ от сервера
System.out.println(response.toString());
} catch (Exception e) {
e.printStackTrace();
}
}
}</code></pre></div></div></div><button class="mantine-focus-auto m_c9378bc2 mantine-CodeHighlight-showCodeButton m_87cf2631 mantine-UnstyledButton-root" data-hidden="true" type="button">Expand code</button></div>
<ul>
<li>Здесь мы создаем объект <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">HttpURLConnection</code> и настраиваем его для отправки <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">POST-запроса</code></li>
<li>Затем мы записываем тело запроса в поток вывода и считываем ответ от сервера с помощью <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">BufferedReader</code></li>
<li>В конце мы выводим ответ от сервера на экран.</li>
</ul>
<p>Обратите внимание, что в примере мы отправляем запрос с параметрами <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">param1</code> и <code style="margin-bottom:var(--mantine-spacing-lg)" class="m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight m_e597c321 mantine-CodeHighlight-codeHighlight m_dfe9c588 mantine-InlineCodeHighlight-inlineCodeHighlight">param2</code>, но вы можете изменить их на свои параметры в зависимости от вашего запроса.</p></div><div class="m_3eebeb36 mantine-Divider-root" data-orientation="horizontal" role="separator"></div><div style="--group-gap:var(--mantine-spacing-md);--group-align:center;--group-justify:flex-start;--group-wrap:wrap;font-size:var(--mantine-font-size-sm)" class="m_4081bf90 mantine-Group-root"><div style="--group-gap:var(--mantine-spacing-xs);--group-align:center;--group-justify:flex-start;--group-wrap:wrap;margin-inline-start:auto" class="m_4081bf90 mantine-Group-root"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.2" stroke-linecap="round" stroke-linejoin="round" class="tabler-icon tabler-icon-calendar "><path d="M4 7a2 2 0 0 1 2 -2h12a2 2 0 0 1 2 2v12a2 2 0 0 1 -2 2h-12a2 2 0 0 1 -2 -2v-12"></path><path d="M16 3v4"></path><path d="M8 3v4"></path><path d="M4 11h16"></path><path d="M11 15h1"></path><path d="M12 15v3"></path></svg><p class="mantine-focus-auto m_b6d8b162 mantine-Text-root" data-inherit="true">3 года назад</p></div><div style="--group-gap:var(--mantine-spacing-xs);--group-align:center;--group-justify:flex-start;--group-wrap:wrap" class="m_4081bf90 mantine-Group-root"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" 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<div>ИНН 7325174845</div>
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<div>АНО ДПО «<a href="/" class="text-decoration-none link-light">Учебный центр «Хекслет</a>»</div>
<div>119331 г. Москва, вн. тер. г. муниципальный округ</div>
<div>Ломоносовский, пр-кт Вернадского, д. 29</div>
<div>ОГРН 1247700712390</div>
<div>ИНН 7736364948</div>
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