package com.vci.ubcs.codeapply.utils;
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import com.alibaba.cloud.commons.lang.StringUtils;
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import com.alibaba.fastjson.JSONObject;
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import com.alibaba.nacos.shaded.com.google.gson.JsonObject;
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import com.vci.ubcs.code.vo.webserviceModel.apply.InterParameterVO;
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import com.vci.ubcs.codeapply.object.R;
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import org.apache.commons.collections4.CollectionUtils;
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import org.apache.http.*;
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import org.apache.http.client.ClientProtocolException;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.client.utils.URIBuilder;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.util.EntityUtils;
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import java.io.IOException;
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import java.net.URISyntaxException;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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public class HttpUtil {
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private static final CloseableHttpClient httpclient = HttpClients.createDefault();
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/**
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* 发送HttpGet请求
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* @param url
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* @return
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*/
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public static String sendGet(String url) {
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HttpGet httpget = new HttpGet(url);
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CloseableHttpResponse response = null;
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try {
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response = httpclient.execute(httpget);
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} catch (IOException e1) {
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e1.printStackTrace();
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}
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String result = null;
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try {
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HttpEntity entity = response.getEntity();
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if (entity != null) {
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result = EntityUtils.toString(entity);
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}
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} catch (ParseException | IOException e) {
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e.printStackTrace();
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} finally {
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try {
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response.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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return result;
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}
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/**
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* 发送HttpGet带参请求
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* @param url
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* @param params
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* @return
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*/
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public static R sendGet(String url, Map<String, String> params,Map<String,String> headers) {
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R r=new R();
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// 获取连接客户端工具
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CloseableHttpClient httpClient = HttpClients.createDefault();
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String entityStr = null;
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CloseableHttpResponse response = null;
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try {
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/*
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* 由于GET请求的参数都是拼装在URL地址后方，所以我们要构建一个URL，带参数
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*/
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URIBuilder uriBuilder = new URIBuilder(url);
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/** 第一种添加参数的形式 */
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/*uriBuilder.addParameter("name", "root");
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uriBuilder.addParameter("password", "123456");*/
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/** 第二种添加参数的形式 */
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List<NameValuePair> list = new LinkedList<>();
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//设置头部
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for(Map.Entry<String,String> entry:params.entrySet()){
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BasicNameValuePair param1 = new BasicNameValuePair(entry.getKey(), entry.getValue());
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list.add(param1);
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}
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uriBuilder.setParameters(list);
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// 根据带参数的URI对象构建GET请求对象
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HttpGet httpGet = new HttpGet(uriBuilder.build());
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/*
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* 添加请求头信息
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*/
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if(headers!=null&&headers.size()>0) {
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for (Map.Entry<String, String> entry : params.entrySet()) {
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httpGet.addHeader(entry.getKey(), entry.getValue());
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}
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}
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// 执行请求
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response = httpClient.execute(httpGet);
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// 获得响应的实体对象
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HttpEntity entity = response.getEntity();
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// 使用Apache提供的工具类进行转换成字符串
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entityStr = EntityUtils.toString(entity, "UTF-8");
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if(StringUtils.isNotBlank(entityStr)){
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r = JSONObject.toJavaObject(JSONObject.parseObject(entityStr), R.class);
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}
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} catch (ClientProtocolException e) {
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System.err.println("Http协议出现问题");
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e.printStackTrace();
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} catch (ParseException e) {
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System.err.println("解析错误");
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e.printStackTrace();
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} catch (URISyntaxException e) {
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System.err.println("URI解析异常");
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e.printStackTrace();
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} catch (IOException e) {
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System.err.println("IO异常");
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e.printStackTrace();
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} finally {
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// 释放连接
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if (null != response) {
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try {
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response.close();
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httpClient.close();
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} catch (IOException e) {
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System.err.println("释放连接出错");
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e.printStackTrace();
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}
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}
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}
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return r;
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}
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/**
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* 发送HttpGet带参请求
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* @param url
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* @param header
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* @return
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*/
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public static String sendGet(String url, Map<String, String> header) {
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HttpGet httpGet = new HttpGet(url);
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//设置头部
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for(Map.Entry entry:header.entrySet()){
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// System.out.println(entry.getKey()+ "###########" + entry.getValue());
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httpGet.setHeader(entry.getKey().toString(),entry.getValue().toString());
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}
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// System.out.println(jsonObject.toString());
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// HttpGet httpget = new HttpGet(url);
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CloseableHttpResponse response = null;
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try {
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response = httpclient.execute(httpGet);
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} catch (IOException e1) {
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e1.printStackTrace();
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}
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String result = null;
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try {
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HttpEntity entity = response.getEntity();
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if (entity != null) {
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result = EntityUtils.toString(entity);
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}
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} catch (ParseException | IOException e) {
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e.printStackTrace();
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} finally {
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try {
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response.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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return result;
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}
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/**
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* 发送HttpPost请求，参数为map
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* @param url
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* @param map
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* @return
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*/
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public static String sendPost(String url, Map<String,String> map) {
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// JsonObject formparams = new JsonObject();
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// for (Map.Entry<String, String> entry : map.entrySet()) {
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// formparams.add(entry.getKey(), entry.getValue();
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// }
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//json 格式
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// UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams, Consts.UTF_8);
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JsonObject jsonObject = new JsonObject();
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for(Map.Entry entry:map.entrySet()){
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// System.out.println(entry.getKey()+ "###########" + entry.getValue());
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jsonObject.addProperty(entry.getKey().toString(),entry.getValue().toString());
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}
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// System.out.println(jsonObject.toString());
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StringEntity entity = new StringEntity(jsonObject.toString(), Consts.UTF_8);
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HttpPost httppost = new HttpPost(url);
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httppost.setEntity(entity);
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CloseableHttpResponse response = null;
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try {
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response = httpclient.execute(httppost);
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} catch (IOException e) {
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e.printStackTrace();
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}
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HttpEntity entity1 = response.getEntity();
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String result = null;
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try {
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result = EntityUtils.toString(entity1);
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} catch (ParseException | IOException e) {
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e.printStackTrace();
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}
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return result;
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}
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/**
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* 发送不带参数的HttpPost请求
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* @param url
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* @return
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*/
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public static String sendPost(String url) {
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HttpPost httppost = new HttpPost(url);
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CloseableHttpResponse response = null;
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try {
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response = httpclient.execute(httppost);
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} catch (IOException e) {
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e.printStackTrace();
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}
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HttpEntity entity = response.getEntity();
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String result = null;
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try {
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result = EntityUtils.toString(entity);
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} catch (ParseException | IOException e) {
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e.printStackTrace();
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}
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return result;
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}
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}
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