10.31开发

2023-10-31 19:15:46 +08:00
parent 580901e91c
commit 2238224e83
7 changed files with 495 additions and 58 deletions
@@ -0,0 +1,37 @@
+package com.ruoyi.wisdomarbitrate.utils;
+
+import java.io.BufferedInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+
+public class MyTest {
+    public static void download(String fileUrl, String saveFilePath) throws IOException {
+        URL url = new URL(fileUrl);
+        InputStream inputStream = url.openStream();
+        BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream);
+        FileOutputStream fileOutputStream = new FileOutputStream(saveFilePath);
+
+        byte[] buffer = new byte[1024];
+        int bytesRead = 0;
+        while ((bytesRead = bufferedInputStream.read(buffer, 0, buffer.length)) != -1) {
+            fileOutputStream.write(buffer, 0, bytesRead);
+        }
+
+        fileOutputStream.close();
+        bufferedInputStream.close();
+        inputStream.close();
+    }
+
+    public static void main(String[] args) {
+        String fileUrl = "https://esignoss.esign.cn/1111563786/0e16cc53-fe2e-403b-b901-587778a8ea92/3ed8f1b0bd2640e895fcfbaffdec0a1e.pdf?Expires=1698742492&OSSAccessKeyId=LTAI4G23YViiKnxTC28ygQzF&Signature=K%2Bb5k7DqNmaxeu%2Fct5qis4qor7s%3D";
+        String saveFilePath = "D:\\home\\example.pdf";
+        try {
+            download(fileUrl, saveFilePath);
+            System.out.println("File downloaded successfully.");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}