ADD file via upload

flower_back/src/main/java/com/example/flower/unit/HttpUtils.java

@@ -0,0 +1,71 @@
+package com.example.flower.unit;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+
+public class HttpUtils {
+    public static String getRequest(String httpurl) {
+
+        HttpURLConnection connection = null;
+        InputStream is = null;
+        BufferedReader br = null;
+        String result = null;// 返回结果字符串
+        try {
+            // 创建远程url连接对象
+            URL url = new URL(httpurl);
+            // 通过远程url连接对象打开一个连接，强转成httpURLConnection类
+            connection = (HttpURLConnection) url.openConnection();
+            // 设置连接方式：get
+            connection.setRequestMethod("GET");
+            // 设置连接主机服务器的超时时间：15000毫秒
+            connection.setConnectTimeout(15000);
+            // 设置读取远程返回的数据时间：60000毫秒
+            connection.setReadTimeout(60000);
+            // 发送请求
+            connection.connect();
+            // 通过connection连接，获取输入流
+            if (connection.getResponseCode() == 200) {
+                is = connection.getInputStream();
+                // 封装输入流is，并指定字符集
+                br = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8));
+                // 存放数据
+                StringBuilder sbf = new StringBuilder();
+                String temp = null;
+                while ((temp = br.readLine()) != null) {
+                    sbf.append(temp);
+                    sbf.append("\r\n");
+                }
+                result = sbf.toString();
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            // 关闭资源
+            if (null != br) {
+                try {
+                    br.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+            if (null != is) {
+                try {
+                    is.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+            if (connection != null) {
+                connection.disconnect();// 关闭远程连接
+            }
+        }
+
+        return result;
+    }
+}