提取公共方法

src/main/java/net/cdkj/gjj/adapter/domain/HttpUtil.java

+package net.cdkj.gjj.adapter.domain;
+
+import javax.servlet.http.HttpServletRequest;
+import java.io.*;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.zip.GZIPInputStream;
+
+
+public class HttpUtil {
+
+
+    /**
+     * 获取请求入参数据
+     */
+    public static String getReqData(HttpServletRequest request) {
+        StringBuffer json = new StringBuffer();
+        String line = null;
+        try {
+            BufferedReader reader = request.getReader();
+            while ((line = reader.readLine()) != null) {
+                json.append(line);
+            }
+        } catch (Exception e) {
+            System.out.println(e);
+        }
+        String str = json.toString();
+        System.out.println("要发送给第三方的公积金系统服务报文：" + str);
+        return str;
+    }
+
+
+    /**
+     * 发起 post 请求，并对出参进行解压缩
+     */
+    public static String sendPost(String httpUrl, String content) {
+        StringBuffer sb = new StringBuffer();
+        HttpURLConnection conn = null;
+        OutputStream out = null;
+        try {
+            // 创建url 资源
+            URL url = new URL(httpUrl);
+            // 创建http 连接
+            conn = (HttpURLConnection) url.openConnection();
+            // 设置允许输出
+            conn.setDoOutput(true);
+            // 设置允许输入
+            conn.setDoInput(true);
+            // 设置不使用缓存
+            conn.setUseCaches(false);
+            // 设置传递方式
+            conn.setRequestMethod("POST");
+            // 设置维持长连接
+            conn.setRequestProperty("Connection", "Keep-Alive");
+            // 设置文件类型:
+            conn.setRequestProperty("Content-Type", "application/json");
+            conn.setRequestProperty("accept", "*/*");
+            conn.setRequestProperty("Accept-Encoding", "gzip, deflate, br");
+            // 设置文件字符集:
+            conn.setRequestProperty("Charset", "UTF-8");
+            // 转换为字节数组
+            byte[] data = content.getBytes("UTF-8");
+            // 设置文件长度
+            conn.setRequestProperty("Content-Length", String.valueOf(data.length));
+            // 开始连接请求
+            conn.connect();
+            // 创建写入流，写入请求的字符串
+            out = new DataOutputStream(conn.getOutputStream());
+            out.write(data);
+            // 请求返回的状态
+            if (HttpURLConnection.HTTP_OK == conn.getResponseCode()) {
+                // 请求返回的数据，解压缩
+                InputStream is = conn.getInputStream();
+                GZIPInputStream gzis = new GZIPInputStream(is);
+                InputStreamReader reader = new InputStreamReader(gzis, "UTF-8");
+                BufferedReader br = new BufferedReader(reader);
+                String temp;
+                while ((temp = br.readLine()) != null) {
+                    sb.append(temp);
+                }
+                System.out.println("第三方返回的zip解压缩之后的报文：" + sb);
+                return sb.toString();
+            } else {
+                System.out.println("请求失败!!!");
+            }
+        } catch (
+                IOException e) {
+            e.printStackTrace();
+        } finally {
+            if (out != null) {
+                try {
+                    out.flush();
+                    out.close();
+                } catch (IOException e) {
+                }
+            }
+            if (conn != null) {
+                conn.disconnect();
+            }
+        }
+        return null;
+    }
+
+
+}