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src/main/java/com/hand/hl/DoloadFileByUrl.java

+//
+// Source code recreated from a .class file by IntelliJ IDEA
+// (powered by FernFlower decompiler)
+//
+
+package com.hand.hl;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLConnection;
+
+public class DoloadFileByUrl {
+    public DoloadFileByUrl() {
+    }
+
+    public static void main(String[] args) {}
+
+    public static Boolean downloadFile(String urlPath, String downloadDir, String fileName) {
+        File file = null;
+
+        BufferedInputStream bin = null;
+        OutputStream out = null;
+
+        Boolean flag = true;
+        try {
+            String path = downloadDir + File.separatorChar + fileName;
+            int len = 0;
+            byte[] buf = new byte[1024];
+            int size;
+
+            URL url = new URL(urlPath);
+            URLConnection urlConnection = url.openConnection();
+            HttpURLConnection httpURLConnection = (HttpURLConnection) urlConnection;
+            httpURLConnection.setRequestMethod("GET");
+            httpURLConnection.setRequestProperty("Charset", "UTF-8");
+            httpURLConnection.connect();
+            int fileLength = httpURLConnection.getContentLength();
+            URLConnection con = url.openConnection();
+            bin = new BufferedInputStream(httpURLConnection.getInputStream());
+
+            file = new File(path);
+            if (!file.getParentFile().exists()) {
+                file.getParentFile().mkdirs();
+            }
+
+            out = new FileOutputStream(file);
+
+            while ((size = bin.read(buf)) != -1) {
+                len += size;
+                out.write(buf, 0, size);
+            }
+        } catch (MalformedURLException var15) {
+            var15.printStackTrace();
+            flag = false;
+        } catch (IOException var16) {
+            var16.printStackTrace();
+            flag = false;
+        } finally {
+            try {
+                if (bin != null) {
+                    bin.close();
+                }
+                if (out != null) {
+                    out.close();
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+                flag = false;
+            }
+        }
+        return flag;
+    }
+}