68 lines
2.5 KiB
Java
68 lines
2.5 KiB
Java
|
package org.example;
|
|||
|
|
|
|||
|
|
import java.io.OutputStream;
|
|||
|
|
import java.net.HttpURLConnection;
|
|||
|
|
import java.net.URL;
|
|||
|
|
|
|||
|
|
public class HttpRequestUtil {
|
|||
|
|
/**
|
|||
|
|
* 向指定URL发送POST请求，发送JSON数据
|
|||
|
|
* @param urlStr 目标接口地址
|
|||
|
|
* @param jsonData 发送的JSON字符串
|
|||
|
|
* @return 响应内容
|
|||
|
|
* @throws Exception 网络异常
|
|||
|
|
*/
|
|||
|
|
public static String postJson(String urlStr, String jsonData) throws Exception {
|
|||
|
|
URL url = new URL(urlStr);
|
|||
|
|
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
|
|||
|
|
conn.setRequestMethod("POST");
|
|||
|
|
conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
|
|||
|
|
conn.setDoOutput(true);
|
|||
|
|
conn.setDoInput(true);
|
|||
|
|
try (OutputStream os = conn.getOutputStream()) {
|
|||
|
|
os.write(jsonData.getBytes("UTF-8"));
|
|||
|
|
}
|
|||
|
|
int code = conn.getResponseCode();
|
|||
|
|
if (code == 200) {
|
|||
|
|
try (java.io.InputStream is = conn.getInputStream()) {
|
|||
|
|
java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream();
|
|||
|
|
byte[] buffer = new byte[1024];
|
|||
|
|
int len;
|
|||
|
|
while ((len = is.read(buffer)) != -1) {
|
|||
|
|
baos.write(buffer, 0, len);
|
|||
|
|
}
|
|||
|
|
return new String(baos.toByteArray(), "UTF-8");
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
throw new RuntimeException("HTTP请求失败，状态码: " + code);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 向指定URL发送GET请求
|
|||
|
|
* @param urlStr 目标接口地址
|
|||
|
|
* @return 响应内容
|
|||
|
|
* @throws Exception 网络异常
|
|||
|
|
*/
|
|||
|
|
public static String get(String urlStr) throws Exception {
|
|||
|
|
URL url = new URL(urlStr);
|
|||
|
|
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
|
|||
|
|
conn.setRequestMethod("GET");
|
|||
|
|
conn.setRequestProperty("Accept", "application/json");
|
|||
|
|
conn.setDoInput(true);
|
|||
|
|
int code = conn.getResponseCode();
|
|||
|
|
if (code == 200) {
|
|||
|
|
try (java.io.InputStream is = conn.getInputStream()) {
|
|||
|
|
java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream();
|
|||
|
|
byte[] buffer = new byte[1024];
|
|||
|
|
int len;
|
|||
|
|
while ((len = is.read(buffer)) != -1) {
|
|||
|
|
baos.write(buffer, 0, len);
|
|||
|
|
}
|
|||
|
|
return new String(baos.toByteArray(), "UTF-8");
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
throw new RuntimeException("HTTP GET请求失败，状态码: " + code);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|