java调用post接口
时间: 2023-11-11 11:51:32 浏览: 45
可以使用Java中的HttpURLConnection或者HttpClient来调用post接口。以下是一个使用HttpURLConnection的例子:
```java
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
public class PostRequestExample {
public static void main(String[] args) throws Exception {
String url = "http://yoururl.com/api/post";
String parameters = "key1=value1&key2=value2";
URL obj = new URL(url);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
//设置请求方式
con.setRequestMethod("POST");
//设置请求头
con.setRequestProperty("User-Agent", "Mozilla/5.0");
//设置post请求参数
con.setDoOutput(true);
DataOutputStream wr = new DataOutputStream(con.getOutputStream());
wr.writeBytes(parameters);
wr.flush();
wr.close();
int responseCode = con.getResponseCode();
System.out.println("Response Code : " + responseCode);
BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
System.out.println("Response : " + response.toString());
}
}
```
其中,url为请求的接口地址,parameters为post请求的参数,以key=value的形式拼接在一起,使用&分隔。需要注意的是,设置请求头和请求参数的代码应该在con.setRequestMethod("POST");之前。