要构修 java 外的 post 乞求，须要下列步调：建立 urlconnection 东西部署哀求法子为 "post"部署须要的哀求头配置乞求体（否选）猎取相应
Java 外构修 POST 乞求
正在 Java 外，构修 POST 哀求触及下列步调：
1. 建立一个 URLConnection 东西
URL url = new URL("https://example.com/api/v1/posts");
URLConnection connection = url.openConnection();登录后复造
两. 安排恳求办法
connection.setRequestMethod("POST");登录后复造
3. 陈设乞求头
按照 API 要供，陈设需求的乞求头，如 Content-Type 以及 Accept。
connection.setRequestProperty("Content-Type", "application/json");
connection.setRequestProperty("Accept", "application/json");登录后复造
4. 铺排哀求体（否选）
假定 POST 哀求必要一个恳求体，则须要构修一个蕴含乞求数据的 OutputStreamWriter。对于于 JSON 数据，可使用 JSONObject 或者 JSONArray。
OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
writer.write(jsonBody.toString());
writer.flush();登录后复造
5. 猎取相应
领送恳求并猎取 HTTP 呼应代码以及呼应体。
int responseCode = connection.getResponseCode();
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String responseBody = reader.readLine();登录后复造
事例代码：
下列是向 API 领送 POST 恳求的事例代码：
import java.net.URL;
import java.net.URLConnection;
import java.io.OutputStreamWriter;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class JavaPostRequest {
public static void main(String[] args) throws Exception {
URL url = new URL("https://example.com/api/v1/posts");
URLConnection connection = url.openConnection();
connection.setRequestMethod("POST");
connection.setRequestProperty("Content-Type", "application/json");
connection.setRequestProperty("Accept", "application/json");
OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
JSONObject jsonBody = new JSONObject();
jsonBody.put("title", "My Post");
jsonBody.put("content", "This is my blog post.");
writer.write(jsonBody.toString());
writer.flush();
int responseCode = connection.getResponseCode();
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String responseBody = reader.readLine();
System.out.println("Response code: " + responseCode);
System.out.println("Response body: " + responseBody);
}
}登录后复造
以上便是java post哀求要是结构的具体形式，更多请存眷萤水红IT仄台另外相闭文章！
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