From c1a9eee9c9aa0d3c7592fa75e70243e0297b3a0d Mon Sep 17 00:00:00 2001
From: fhx <308050795@qq.com>
Date: 星期四, 06 四月 2023 10:38:03 +0800
Subject: [PATCH] 1.新增文件工具类
---
src/main/java/com/hx/util/FileConvertTool.java | 353 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 353 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/hx/util/FileConvertTool.java b/src/main/java/com/hx/util/FileConvertTool.java
new file mode 100644
index 0000000..55c93c2
--- /dev/null
+++ b/src/main/java/com/hx/util/FileConvertTool.java
@@ -0,0 +1,353 @@
+package com.hx.util;
+
+import org.apache.commons.fileupload.FileItem;
+import org.apache.commons.fileupload.disk.DiskFileItemFactory;
+import org.apache.commons.io.IOUtils;
+import org.springframework.http.MediaType;
+import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.multipart.commons.CommonsMultipartFile;
+
+import java.io.*;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.Base64;
+
+/**
+ * 鏂囦欢杞崲宸ュ叿绫�
+ * @USER: fhx
+ * @DATE: 2022/3/2
+ **/
+public class FileConvertTool {
+
+ private static final int BUFFER_SIZE = 2 * 1024;
+
+
+ /** 鑾峰彇缃戠粶璺緞鏂囦欢娴� */
+ public static InputStream getUrlFile(String urlPath) throws IOException {
+ if(StringUtils.isEmpty(urlPath)){
+ return null;
+ }
+ // 鏋勯�燯RL
+ URL url = new URL(urlPath);
+ // 鎵撳紑杩炴帴
+ URLConnection con = url.openConnection();
+ //璁剧疆璇锋眰瓒呮椂涓�5s
+ con.setConnectTimeout(5*1000);
+ // 杈撳叆娴�
+ InputStream is = con.getInputStream();
+ return is;
+ }
+
+ /**
+ * 鑾峰彇鏂囦欢base64瀛楃涓�
+ * @param urlPath 鏂囦欢璺緞
+ * @return
+ * @throws IOException
+ */
+ public static String getFileBaseStrByUrl(String urlPath) throws IOException {
+ InputStream is = getUrlFile(urlPath);
+ byte[] bytes = IOUtils.toByteArray(is);
+ String encoded = Base64.getEncoder().encodeToString(bytes);
+ return encoded;
+ }
+
+ // inputStream杞琽utputStream
+ public static ByteArrayOutputStream parse(final InputStream in) throws Exception {
+ final ByteArrayOutputStream swapStream = new ByteArrayOutputStream();
+ int ch;
+ while ((ch = in.read()) != -1) {
+ swapStream.write(ch);
+ }
+ return swapStream;
+ }
+
+ // outputStream杞琲nputStream
+ public static ByteArrayInputStream parse(final OutputStream out) throws Exception {
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ baos = (ByteArrayOutputStream) out;
+ final ByteArrayInputStream swapStream = new ByteArrayInputStream(baos.toByteArray());
+ return swapStream;
+ }
+
+ // inputStream杞琒tring
+ public static String parse_String(final InputStream in) throws Exception {
+ final ByteArrayOutputStream swapStream = new ByteArrayOutputStream();
+ int ch;
+ while ((ch = in.read()) != -1) {
+ swapStream.write(ch);
+ }
+ return swapStream.toString();
+ }
+
+ // OutputStream 杞琒tring
+ public static String parse_String(final OutputStream out) throws Exception {
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ baos = (ByteArrayOutputStream) out;
+ final ByteArrayInputStream swapStream = new ByteArrayInputStream(baos.toByteArray());
+ return swapStream.toString();
+ }
+
+ // String杞琲nputStream
+ public static ByteArrayInputStream parse_inputStream(final String in) throws Exception {
+ final ByteArrayInputStream input = new ByteArrayInputStream(in.getBytes());
+ return input;
+ }
+
+ // String 杞琽utputStream
+ public static ByteArrayOutputStream parse_outputStream(final String in) throws Exception {
+ return parse(parse_inputStream(in));
+ }
+
+ /**
+ * 鏍规嵁byte鏁扮粍锛岀敓鎴愭枃浠�
+ */
+ public static File getFile(byte[] bfile, String filePath,String fileName) {
+ BufferedOutputStream bos = null;
+ FileOutputStream fos = null;
+ File file = null;
+ try {
+ File dir = new File(filePath);
+ if(!dir.exists()&&dir.isDirectory()){//鍒ゆ柇鏂囦欢鐩綍鏄惁瀛樺湪
+ dir.mkdirs();
+ }
+ file = new File(filePath+"\\"+fileName);
+ fos = new FileOutputStream(file);
+ bos = new BufferedOutputStream(fos);
+ bos.write(bfile);
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ if (bos != null) {
+ try {
+ bos.close();
+ } catch (IOException e1) {
+ e1.printStackTrace();
+ }
+ }
+ if (fos != null) {
+ try {
+ fos.close();
+ } catch (IOException e1) {
+ e1.printStackTrace();
+ }
+ }
+ }
+ return file;
+ }
+
+ /**
+ * 鏍规嵁byte鏁扮粍锛岀敓鎴愭枃浠�
+ */
+ public static File getFile(InputStream in, String filePath, String fileName) {
+ if(in == null){
+ return null;
+ }
+ BufferedOutputStream bos = null;
+ FileOutputStream fos = null;
+ File file = null;
+ try {
+ File dir = new File(filePath);
+ //鍒ゆ柇鏂囦欢鐩綍鏄惁瀛樺湪
+ if(!dir.exists()){
+ dir.mkdirs();
+ }
+ file = new File(filePath+"/"+fileName);
+ fos = new FileOutputStream(file);
+ byte[] b = new byte[BUFFER_SIZE];
+// while ((in.read(b)) != -1) {
+// fos.write(b); // 鍐欏叆鏁版嵁
+// }
+ int len;
+ while ((len = in.read(b)) != -1){
+ fos.write(b, 0, len);
+ }
+ in.close();
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ if (bos != null) {
+ try {
+ bos.close();
+ } catch (IOException e1) {
+ e1.printStackTrace();
+ }
+ }
+ if (fos != null) {
+ try {
+ fos.close();
+ } catch (IOException e1) {
+ e1.printStackTrace();
+ }
+ }
+ }
+ return file;
+ }
+
+ /**
+ * 鏍规嵁byte鏁扮粍锛岀敓鎴愭枃浠�
+ */
+ public static File getFile(String baseIn, String filePath, String fileName) {
+ if(baseIn == null){
+ return null;
+ }
+
+ BufferedOutputStream bos = null;
+ FileOutputStream fos = null;
+ File file = null;
+ try {
+ InputStream in = parse_inputStream(baseIn);
+ if(in == null){
+ return null;
+ }
+ File dir = new File(filePath);
+ //鍒ゆ柇鏂囦欢鐩綍鏄惁瀛樺湪
+ if(!dir.exists()){
+ dir.mkdirs();
+ }
+ file = new File(filePath+"/"+fileName);
+ fos = new FileOutputStream(file);
+ byte[] b = new byte[BUFFER_SIZE];
+// while ((in.read(b)) != -1) {
+// fos.write(b); // 鍐欏叆鏁版嵁
+// }
+ int len;
+ while ((len = in.read(b)) != -1){
+ fos.write(b, 0, len);
+ }
+ in.close();
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ if (bos != null) {
+ try {
+ bos.close();
+ } catch (IOException e1) {
+ e1.printStackTrace();
+ }
+ }
+ if (fos != null) {
+ try {
+ fos.close();
+ } catch (IOException e1) {
+ e1.printStackTrace();
+ }
+ }
+ }
+ return file;
+ }
+
+ /**
+ * 鑾峰緱鎸囧畾鏂囦欢鐨刡yte鏁扮粍
+ */
+ private static byte[] getBytes(String filePath){
+ byte[] buffer = null;
+ try {
+ File file = new File(filePath);
+ FileInputStream fis = new FileInputStream(file);
+ ByteArrayOutputStream bos = new ByteArrayOutputStream(1000);
+ byte[] b = new byte[1000];
+ int n;
+ while ((n = fis.read(b)) != -1) {
+ bos.write(b, 0, n);
+ }
+ fis.close();
+ bos.close();
+ buffer = bos.toByteArray();
+ } catch (FileNotFoundException e) {
+ e.printStackTrace();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ return buffer;
+ }
+
+ public static MultipartFile getMultipartFile(File file) {
+ FileItem item = new DiskFileItemFactory().createItem("file"
+ , MediaType.MULTIPART_FORM_DATA_VALUE
+ , true
+ , file.getName());
+ try (InputStream input = new FileInputStream(file);
+ OutputStream os = item.getOutputStream()) {
+ // 娴佽浆绉�
+ IOUtils.copy(input, os);
+ } catch (Exception e) {
+ throw new IllegalArgumentException("Invalid file: " + e, e);
+ }
+
+ return new CommonsMultipartFile(item);
+ }
+
+ /**
+ * 鏍规嵁璺緞鍒犻櫎鎸囧畾鐨勭洰褰曟垨鏂囦欢锛屾棤璁哄瓨鍦ㄤ笌鍚�
+ *@param sPath 瑕佸垹闄ょ殑鐩綍鎴栨枃浠�
+ *@return 鍒犻櫎鎴愬姛杩斿洖 true锛屽惁鍒欒繑鍥� false銆�
+ */
+ public static boolean deleteFolder(String sPath) {
+ File file = new File(sPath);
+ // 鍒ゆ柇鐩綍鎴栨枃浠舵槸鍚﹀瓨鍦�
+ if (!file.exists()) {
+ // 涓嶅瓨鍦ㄨ繑鍥� true
+ return true;
+ } else {
+ // 鍒ゆ柇鏄惁涓烘枃浠�
+ if (file.isFile()) { // 涓烘枃浠舵椂璋冪敤鍒犻櫎鏂囦欢鏂规硶
+ return deleteFile(sPath);
+ } else { // 涓虹洰褰曟椂璋冪敤鍒犻櫎鐩綍鏂规硶
+ return deleteDirectory(sPath);
+ }
+ }
+ }
+
+ /**
+ * 鍒犻櫎鍗曚釜鏂囦欢
+ * @param sPath 琚垹闄ゆ枃浠剁殑鏂囦欢鍚�
+ * @return 鍗曚釜鏂囦欢鍒犻櫎鎴愬姛杩斿洖true锛屽惁鍒欒繑鍥瀎alse
+ */
+ public static boolean deleteFile(String sPath) {
+ File file = new File(sPath);
+ // 璺緞涓烘枃浠朵笖涓嶄负绌哄垯杩涜鍒犻櫎
+ if (file.isFile() && file.exists()) {
+ file.delete();
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * 鍒犻櫎鐩綍锛堟枃浠跺す锛変互鍙婄洰褰曚笅鐨勬枃浠�
+ * @param sPath 琚垹闄ょ洰褰曠殑鏂囦欢璺緞
+ * @return 鐩綍鍒犻櫎鎴愬姛杩斿洖true锛屽惁鍒欒繑鍥瀎alse
+ */
+ public static boolean deleteDirectory(String sPath) {
+ //濡傛灉sPath涓嶄互鏂囦欢鍒嗛殧绗︾粨灏撅紝鑷姩娣诲姞鏂囦欢鍒嗛殧绗�
+ if (!sPath.endsWith(File.separator)) {
+ sPath = sPath + File.separator;
+ }
+ File dirFile = new File(sPath);
+ //濡傛灉dir瀵瑰簲鐨勬枃浠朵笉瀛樺湪锛屾垨鑰呬笉鏄竴涓洰褰曪紝鍒欓��鍑�
+ if (!dirFile.exists() || !dirFile.isDirectory()) {
+ return false;
+ }
+ boolean flag = true;
+ //鍒犻櫎鏂囦欢澶逛笅鐨勬墍鏈夋枃浠�(鍖呮嫭瀛愮洰褰�)
+ File[] files = dirFile.listFiles();
+ for (int i = 0; i < files.length; i++) {
+ //鍒犻櫎瀛愭枃浠�
+ if (files[i].isFile()) {
+ flag = deleteFile(files[i].getAbsolutePath());
+ if (!flag) break;
+ } //鍒犻櫎瀛愮洰褰�
+ else {
+ flag = deleteDirectory(files[i].getAbsolutePath());
+ if (!flag) break;
+ }
+ }
+ if (!flag) return false;
+ //鍒犻櫎褰撳墠鐩綍
+ if (dirFile.delete()) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+}
--
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