package com.bsd.say.util; import com.alibaba.fastjson.JSONObject; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.config.CookieSpecs; import org.apache.http.client.config.RequestConfig; 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.protocol.HttpClientContext; 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; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.URL; import java.net.URLConnection; public class HttpRequestUtils { private static CloseableHttpClient httpClient = HttpClients.createDefault(); private static HttpClientContext context = new HttpClientContext(); /** * 向指定URL发送GET方法的请求 * * @param url 发送请求的URL * @param param 请求参数,请求参数应该是 name1=value1&name2=value2 的形式。 * @return URL 所代表远程资源的响应结果 */ public static String sendGet(String url, String param) { String result = ""; BufferedReader in = null; try { String urlNameString = url + "?" + param; result = sendGet(urlNameString); } catch (Exception e) { System.out.println("发送GET请求出现异常!" + e); e.printStackTrace(); } finally { try { if (in != null) { in.close(); } } catch (Exception e2) { e2.printStackTrace(); } } return result; } public static String sendGet(String url) { CloseableHttpResponse response = null; String content = null; try { HttpGet get = new HttpGet(url); response = httpClient.execute(get, context); HttpEntity entity = response.getEntity(); content = EntityUtils.toString(entity); EntityUtils.consume(entity); return content; } catch (Exception e) { e.printStackTrace(); if (response != null) { try { response.close(); } catch (IOException e1) { e1.printStackTrace(); } } } return content; } /** * 向指定 URL 发送POST方法的请求 * * @param url 发送请求的 URL * @param param 请求参数,请求参数应该是 name1=value1&name2=value2 的形式。 * @return 所代表远程资源的响应结果 */ public static String sendPost(String url, String param, String token) { PrintWriter out = null; BufferedReader in = null; String result = ""; try { URL realUrl = new URL(url); // 打开和URL之间的连接 URLConnection conn = realUrl.openConnection(); // 设置通用的请求属性 conn.setRequestProperty("Authorization", token); conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("Content-Type", "application/json"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); // 发送POST请求必须设置如下两行 conn.setDoOutput(true); conn.setDoInput(true); // 获取URLConnection对象对应的输出流 out = new PrintWriter(conn.getOutputStream()); // 发送请求参数 out.print(param); // flush输出流的缓冲 out.flush(); // 定义BufferedReader输入流来读取URL的响应 in = new BufferedReader( new InputStreamReader(conn.getInputStream())); String line; while ((line = in.readLine()) != null) { result += line; } } catch (Exception e) { System.out.println("发送 POST 请求出现异常!" + e); e.printStackTrace(); } //使用finally块来关闭输出流、输入流 finally { try { if (out != null) { out.close(); } if (in != null) { in.close(); } } catch (IOException ex) { ex.printStackTrace(); } } return result; } public static String sendPost(String url, JSONObject jsonObject) throws IOException { CloseableHttpClient httpClient = HttpClients.createDefault(); StringEntity entity; //url的get请求 HttpPost post = new HttpPost(url); //设置长连接 post.setHeader("Connection", "keep-alive"); //模拟游览器,游览器中输入about://version查看代理项,模拟自己的游览器 post.setHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36"); entity = new StringEntity(jsonObject.toJSONString(), "utf-8"); // 解决中文乱码问题 entity.setContentEncoding("UTF-8"); entity.setContentType("application/json"); post.setEntity(entity); RequestConfig defaultConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.STANDARD).build(); post.setConfig(defaultConfig); //执行请求,并获取回应 CloseableHttpResponse httpResponse = httpClient.execute(post); //成功获取json数据 String result = EntityUtils.toString(httpResponse.getEntity()); return result; } public static void main(String[] args) throws IOException { String url = "http://10.10.2.184:1292/token"; String appId = "8ec5fe4f-1213-4a2f-80e4-fc8887e71122"; String secert = "123456"; StringBuilder stringBuilder = new StringBuilder(); stringBuilder.append(url).append("?appId=").append(appId).append("&secret=").append(secert); url = stringBuilder.toString(); String result = HttpRequestUtils.sendGet(url); String token = JSONObject.parseObject(result).getString("data"); CloseableHttpClient httpclient = HttpClients.createDefault(); HttpResponse httpResponse = null; try { String psncode = "160647"; String str = sendPost("http://10.10.2.184:1292/hr/QueryAnnual?psncode=160647", "", token); System.out.println(str); } catch (Exception e) { e.printStackTrace(); } finally { httpclient.close(); } } }