將網絡url圖片鏈接轉換為File類型對象

public static File convertFileByUrl(String url) {File file = null;URL urlfile;InputStream inputStream = null;OutputStream outputStream= null;try {file = File.createTempFile("wx_image", ".png");//下載urlfile = new URL(url);inputStream = urlfile.openStream();outputStream= new FileOutputStream(file);int bytesRead = 0;byte[] buffer = new byte[8192];while ((bytesRead = inputStream.read(buffer, 0, 8192)) != -1) {outputStream.write(buffer, 0, bytesRead);}} catch (Exception e) {e.printStackTrace();} finally {try {if (null != outputStream) {outputStream.close();}if (null != inputStream) {inputStream.close();}} catch (Exception e) {e.printStackTrace();}}return file;}

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