要在AnyLogic中调用外部RESTful API,可以使用Java的HttpURLConnection类来发送HTTP请求。下面是一个示例代码:
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class RestClient {
public static void main(String[] args) {
try {
// 创建API的URL
URL url = new URL("https://api.example.com/endpoint");
// 创建HttpURLConnection对象
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
// 设置请求方法为GET
connection.setRequestMethod("GET");
// 设置请求头
connection.setRequestProperty("Content-Type", "application/json");
connection.setRequestProperty("Authorization", "Bearer YOUR_API_KEY");
// 发送请求
int responseCode = connection.getResponseCode();
// 读取响应
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
StringBuffer response = new StringBuffer();
while ((line = reader.readLine()) != null) {
response.append(line);
}
reader.close();
// 打印响应结果
System.out.println(response.toString());
// 关闭连接
connection.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
}
}
你可以将上述代码放在AnyLogic中的Java代码区域中,然后根据你的需求进行修改。例如,你可以根据API的要求设置请求方法、请求头和请求体,以及解析响应结果。