import org.apache.http.*;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
//模拟浏览器发送http请求完成固定地址的请求
public class HttpClientUtils {
public static void main(String[] args){
String url = "http://localhost:8080/*";
String json = "{\"a\":\"aa\",\"b\":\"bb\",\"c\":\"cc\"}";
CloseableHttpClient client = HttpClients.createDefault();
HttpPost post = new HttpPost(url);
String response = null;
try {
StringEntity s = new StringEntity(json.toString());
s.setContentEncoding("UTF-8");
s.setContentType("application/json");//发送json数据需要设置contentType
post.setEntity(s);
HttpResponse res = client.execute(post);
if(res.getStatusLine().getStatusCode() == HttpStatus.SC_OK){
HttpEntity entity = res.getEntity();
String result = EntityUtils.toString(res.getEntity());
response = result;
}
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
}
return;
}
}
java调用httpclient提交post请求,参数为json
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