httpsss-优快云博客

本文链接：https://blog.youkuaiyun.com/qq_44077470/article/details/143804823

package com.demo.redis.utils;

import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

@Slf4j
public class HttpsUtil {

/**
 * @Auther: gengshuai@cetiti.com
 * @Description: 带参数GET请求
 * @Param: [url, param]
 * @Return: java.lang.String
 * @Create: 2018-9-21 9:03
 */
public static String doGet(String url, Map<String, String> param) {
    // 创建Httpclient对象
    CloseableHttpClient httpclient = HttpClients.createDefault();

    String resultString = "";
    CloseableHttpResponse response = null;

    try {
        // 创建uri
        URIBuilder builder = new URIBuilder(url);
        if (param != null) {
            for (String key : param.keySet()) {
                builder.addParameter(key, param.get(key));
            }
        }
        URI uri = builder.build();

        // 创建http GET请求
        HttpGet httpGet = new HttpGet(uri);

        // 执行请求
        response = httpclient.execute(httpGet);
        // 判断返回状态是否为200
        if (response.getStatusLine().getStatusCode() == 200) {
            resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (response != null) {
                response.close();
            }
            httpclient.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    return resultString;
}

/**
 * @Auther: gengshuai@cetiti.com
 * @Description: 带参数和请求头的GET请求
 * @Param: [url, param, header]
 * @Return: java.lang.String
 * @Create: 2018-9-25 20:09
 */
public static String doGet(String url, Map<String, String> param, Map<String, String> header) {
    // 创建Httpclient对象
    CloseableHttpClient httpclient = HttpClients.createDefault();

    String resultString = "";
    CloseableHttpResponse response = null;
    try {
        // 创建uri
        URIBuilder builder = new URIBuilder(url);
        if (param != null) {
            for (String key : param.keySet()) {
                builder.addParameter(key, param.get(key).toString());
            }
        }
        URI uri = builder.build();

        // 创建http GET请求
        HttpGet httpGet = new HttpGet(uri);

        if (header != null) {
            for (String key : header.keySet()) {
                httpGet.setHeader(key, header.get(key).toString());
            }
        }

        // 执行请求
        response = httpclient.execute(httpGet);
        // 判断返回状态是否为200
        if (response.getStatusLine().getStatusCode() == 200) {
            resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (response != null) {
                response.close();
            }
            httpclient.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    return resultString;
}

/**
 * @Auther: gengshuai@cetiti.com
 * @Description: 无参GET请求
 * @Param: [url]
 * @Return: java.lang.String
 * @Create: 2018-9-21 9:05
 */
public static String doGet(String url) {
    return doGet(url, null);
}

/**
 * @Auther: gengshuai@cetiti.com
 * @Description: application/x-www-form-urlencoded编码方式带参POST请求
 * @Param: [url, param]
 * @Return: java.lang.String
 * @Create: 2018-9-21 9:05
 */
public static String doPost(String url, Map<String, String> param) {
    // 创建Httpclient对象
    CloseableHttpClient httpClient = HttpClients.createDefault();
    CloseableHttpResponse response = null;
    String resultString = "";
    try {
        // 创建Http Post请求
        HttpPost httpPost = new HttpPost(url);
        // 创建参数列表
        if (param != null) {
            List<NameValuePair> paramList = new ArrayList();
            for (String key : param.keySet()) {
                paramList.add(new BasicNameValuePair(key, param.get(key)));
            }
            // 模拟表单
            UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList,"utf-8");
            httpPost.setEntity(entity);
        }
        // 执行http请求
        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;
}

/**
 * @Auther: gengshuai@cetiti.com
 * @Description: application/x-www-form-urlencoded编码方式带参数和请求头的POST请求
 * @Param: [url, param, header]
 * @Return: java.lang.String
 * @Create: 2018-9-27 14:54
 */
public static String doPost(String url, Map<String, String> param, Map<String, String> header) {
    // 创建Httpclient对象
    CloseableHttpClient httpClient = HttpClients.createDefault();
    CloseableHttpResponse response = null;
    String resultString = "";
    try {
        // 创建Http Post请求
        HttpPost httpPost = new HttpPost(url);

        //添加请求头信息
        if (header != null) {
            for (String key : header.keySet()) {
                httpPost.setHeader(key, header.get(key).toString());
            }
        }
        // 创建参数列表
        if (param != null) {
            List<NameValuePair> paramList = new ArrayList();
            for (String key : param.keySet()) {
                paramList.add(new BasicNameValuePair(key, param.get(key)));
            }
            // 模拟表单
            UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList,"utf-8");
            httpPost.setEntity(entity);
        }
        // 执行http请求
        response = httpClient.execute(httpPost);
        resultString = EntityUtils.toString(response.getEntity(), "utf-8");
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            response.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    return resultString;
}

/**
 * @Auther: gengshuai@cetiti.com
 * @Description: application/x-www-form-urlencoded编码方式无参POST请求
 * @Param: [url]
 * @Return: java.lang.String
 * @Create: 2018-9-21 9:10
 */
public static String doPost(String url) {
    return doPost(url, null);
}

/**
 * @Auther: gengshuai@cetiti.com
 * @Description: application/json编码方式POST请求
 * @Param: [url, json]
 * @Return: java.lang.String
 * @Create: 2018-9-21 9:11
 */
public static String doPostJson(String url, String json) {
    System.out.println(json);
    // 创建Httpclient对象
    CloseableHttpClient httpClient = HttpClients.createDefault();
    CloseableHttpResponse response = null;
    String resultString = "";
    try {
        // 创建Http Post请求
        HttpPost httpPost = new HttpPost(url);
        // 创建请求内容
        StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);
        System.out.println(entity);
        httpPost.setEntity(entity);
        // 执行http请求
        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;
}

/**
 * @Auther: gengshuai@cetiti.com
 * @Description: application/json编码方式带请求头POST请求
 * @Param: [url, json, header]
 * @Return: java.lang.String
 * @Create: 2018-9-27 15:19
 */
public static String doPostJson(String url, String json, Map<String, String> header) {
    // 创建Httpclient对象
    CloseableHttpClient httpClient = HttpClients.createDefault();
    CloseableHttpResponse response = null;
    String resultString = "";
    try {
        // 创建Http Post请求
        HttpPost httpPost = new HttpPost(url);

        //添加请求头信息
        if (header != null) {
            for (String key : header.keySet()) {
                httpPost.setHeader(key, header.get(key).toString());
            }
        }

        // 创建请求内容
        StringEntity entity = new StringEntity(json, "utf-8");
        httpPost.setEntity(entity);
        // 执行http请求
        response = httpClient.execute(httpPost);
        resultString = EntityUtils.toString(response.getEntity(), "utf-8");
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            response.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    return resultString;
}



/**
 * 文件上传
 * @param url url
 * @param paramName 参数名称
 * @param inputStream 文件输入流
 * @param fileName 文件名称（上传接口获取到的名称）
 * @return
 */

// result = uploadFiles(“http://127.0.0.1/test/uploadFiles”,“files”,“D:\downloadtest\”);
public static String uploadFile(String url, String paramName, InputStream inputStream, String fileName){
try {
HttpPost httpPost = new HttpPost(url);
MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create();
multipartEntityBuilder.addBinaryBody(paramName,inputStream, ContentType.DEFAULT_BINARY,fileName);
multipartEntityBuilder.addTextBody(“equipment_code”,“target”);
multipartEntityBuilder.addTextBody(“equipment_version”,“target1”);
multipartEntityBuilder.addTextBody(“vodkaCode”,“1”);

        HttpEntity httpEntity = multipartEntityBuilder.build();
        httpPost.setEntity(httpEntity);
        return request(httpPost);
    }finally {
        try {
            inputStream.close();
        } catch (IOException e) {
            log.error("关闭InputStream输入流异常",e);
        }
    }
}

/**
 * 发送请求
 * @param request 请求 HttpPost/HttpGet
 * @return string
 * @throws IOException
 */
private static String request(HttpUriRequest request) {
    String result = null;
    try (CloseableHttpClient httpClient = HttpClientBuilder.create().build();
         CloseableHttpResponse response = httpClient.execute(request)
    ){
        log.info("响应状态：" + response.getStatusLine());
        HttpEntity httpEntity = response.getEntity();
        if(httpEntity != null){
            result = EntityUtils.toString(httpEntity, Charset.forName("utf-8"));
            log.info("响应内容：" + result);
        }
    }catch (Exception e){
        log.error("发送请求错误",e);
    }
    return result;
}

}