Java spring boot HttpUTILS

 

import java.io.IOException;
import java.util.Map;

import com.alibaba.fastjson.JSON;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
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;

public class HttpClientUtil {

public static String doPostJson(String url, String json) {
CloseableHttpClient httpClient = HttpClients.createDefault();
CloseableHttpResponse response = null;
String resultString = "";
try {
HttpPost httpPost = new HttpPost(url);
StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);
httpPost.setEntity(entity);
response = httpClient.execute(httpPost);
resultString = EntityUtils.toString(response.getEntity(), "utf-8");
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
response.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return resultString;
}

public static String postFormEvidence(String SCANINFO_URL,
String parameters){
try {
String postURL =SCANINFO_URL;
PostMethod postMethod = null;
postMethod = new PostMethod(postURL) ;
postMethod.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8") ;
//參數設置，需要注意的就是裏邊不能傳NULL，要傳空字符串

NameValuePair[] data = {
new NameValuePair("parameters",parameters)
};

postMethod.setRequestBody(data);

org.apache.commons.httpclient.HttpClient httpClient = new org.apache.commons.httpclient.HttpClient();
int response = httpClient.executeMethod(postMethod); // 執行POST方法
String result = postMethod.getResponseBodyAsString() ;
System.out.println(response);
System.out.println(result);

return result;
} catch (Exception e) {
// logger.info("請求異常"+e.getMessage(),e);
throw new RuntimeException(e.getMessage());
}
}

public static String doPostJsonform(String url, String json) {
CloseableHttpClient httpClient = HttpClients.createDefault();
CloseableHttpResponse response = null;
String resultString = "";
try {
HttpPost httpPost = new HttpPost(url);

StringEntity entity = new StringEntity(json, ContentType.APPLICATION_FORM_URLENCODED);
System.out.println(JSON.toJSONString(entity));

httpPost.setEntity(entity);

response = httpClient.execute(httpPost);
resultString = EntityUtils.toString(response.getEntity(), "utf-8");
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
response.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return resultString;
}
}