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@@ -0,0 +1,367 @@
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+package com.anjiplus.template.gaea.business.util;
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+
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+import com.anji.plus.gaea.code.ResponseCode;
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+import com.anji.plus.gaea.exception.BusinessExceptionBuilder;
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+import lombok.extern.slf4j.Slf4j;
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+import sun.misc.BASE64Encoder;
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+
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+import java.io.*;
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+import java.net.URL;
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+import java.nio.channels.FileChannel;
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+import java.nio.file.*;
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+import java.nio.file.attribute.BasicFileAttributes;
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+import java.util.Enumeration;
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+import java.util.zip.*;
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+
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+/**
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+ * Created by raodeming on 2021/8/23.
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+ */
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+@Slf4j
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+public class FileUtil {
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+
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+ //链接url下载图片
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+ public static void downloadPicture(String urlPath, String path) {
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+ URL url = null;
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+ try {
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+ url = new URL(urlPath);
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+ DataInputStream dataInputStream = new DataInputStream(url.openStream());
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+
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+ FileOutputStream fileOutputStream = new FileOutputStream(path);
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+ ByteArrayOutputStream output = new ByteArrayOutputStream();
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+
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+ byte[] buffer = new byte[1024];
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+ int length;
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+
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+ while ((length = dataInputStream.read(buffer)) > 0) {
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+ output.write(buffer, 0, length);
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+ }
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+ fileOutputStream.write(output.toByteArray());
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+ dataInputStream.close();
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+ fileOutputStream.close();
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+ log.info("链接下载图片:{},临时路径:{}", urlPath, path);
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+ } catch (IOException e) {
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+ log.error("根据链接下载失败", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ }
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+ }
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+
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+
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+ /**
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+ * 复制文件
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+ *
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+ * @param source
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+ * @param dest
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+ * @throws IOException
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+ */
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+ public static void copyFileUsingFileChannels(File source, File dest) {
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+ FileChannel inputChannel = null;
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+ FileChannel outputChannel = null;
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+ try {
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+ if (!dest.getParentFile().exists()) {
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+ dest.getParentFile().mkdirs();
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+ }
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+ inputChannel = new FileInputStream(source).getChannel();
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+ outputChannel = new FileOutputStream(dest).getChannel();
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+ outputChannel.transferFrom(inputChannel, 0, inputChannel.size());
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+ } catch (IOException e) {
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+ log.error("复制文件失败", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ } finally {
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+ try {
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+ inputChannel.close();
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+ outputChannel.close();
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+ } catch (IOException e) {
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+ log.error("", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 复制文件
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+ *
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+ * @param source
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+ * @param dest
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+ * @throws IOException
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+ */
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+ public static void copyFileUsingFileChannels(String source, String dest) {
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+ copyFileUsingFileChannels(new File(source), new File(dest));
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+ }
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+
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+
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+ public static void WriteStringToFile(String filePath, String content) {
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+ try {
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+ FileWriter fw = new FileWriter(filePath);
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+ BufferedWriter bw = new BufferedWriter(fw);
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+ bw.write(content);
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+ bw.close();
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+ fw.close();
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+ } catch (Exception e) {
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+ log.error("写入文件失败", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ }
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+ }
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+
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+
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+ /**
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+ * 根据文件读取文本文件内容
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+ *
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+ * @param file
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+ * @return
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+ */
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+ public static String readFile(File file) {
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+ BufferedReader reader = null;
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+ StringBuilder sbf = new StringBuilder();
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+ try {
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+ reader = new BufferedReader(new FileReader(file));
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+ String tempStr;
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+ while ((tempStr = reader.readLine()) != null) {
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+ sbf.append(tempStr);
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+ }
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+ reader.close();
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+ return sbf.toString();
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+ } catch (IOException e) {
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+ log.error("读文件失败", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ } finally {
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+ if (reader != null) {
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+ try {
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+ reader.close();
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+ } catch (IOException e1) {
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e1.getMessage());
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+ }
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 根据文件路径读取文本文件内容
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+ *
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+ * @param filePath
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+ * @return
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+ */
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+ public static String readFile(String filePath) {
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+ File file = new File(filePath);
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+ return readFile(file);
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+ }
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+
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+ static final int BUFFER = 8192;
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+
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+ /**
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+ * 将文件夹压缩zip包
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+ *
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+ * @param srcPath
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+ * @param dstPath
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+ * @throws IOException
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+ */
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+ public static void compress(String srcPath, String dstPath) {
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+ File srcFile = new File(srcPath);
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+ File dstFile = new File(dstPath);
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+
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+ FileOutputStream out = null;
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+ ZipOutputStream zipOut = null;
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+ try {
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+ out = new FileOutputStream(dstFile);
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+ CheckedOutputStream cos = new CheckedOutputStream(out, new CRC32());
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+ zipOut = new ZipOutputStream(cos);
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+ String baseDir = "";
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+ compress(srcFile, zipOut, baseDir);
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+ } catch (IOException e) {
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+ log.error("压缩文件夹失败", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ } finally {
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+ if (null != zipOut) {
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+ try {
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+ zipOut.close();
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+ } catch (IOException e) {
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+ log.error("", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ }
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+ out = null;
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+ }
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+ if (null != out) {
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+ try {
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+ out.close();
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+ } catch (IOException e) {
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+ log.error("", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ }
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+ }
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+ }
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+ }
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+
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+ private static void compress(File file, ZipOutputStream zipOut, String baseDir) {
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+ if (file.isDirectory()) {
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+ compressDirectory(file, zipOut, baseDir);
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+ } else {
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+ compressFile(file, zipOut, baseDir);
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+ }
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+ }
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+
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+ /**
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+ * 压缩一个目录
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+ */
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+ private static void compressDirectory(File dir, ZipOutputStream zipOut, String baseDir) {
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+ File[] files = dir.listFiles();
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+ for (int i = 0; i < files.length; i++) {
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+ compress(files[i], zipOut, baseDir + dir.getName() + "/");
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+ }
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+ }
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+
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+ /**
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+ * 压缩一个文件
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+ */
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+ private static void compressFile(File file, ZipOutputStream zipOut, String baseDir) {
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+ if (!file.exists()) {
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+ return;
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+ }
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+
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+ BufferedInputStream bis = null;
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+ try {
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+ bis = new BufferedInputStream(new FileInputStream(file));
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+ ZipEntry entry = new ZipEntry(baseDir + file.getName());
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+ zipOut.putNextEntry(entry);
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+ int count;
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+ byte data[] = new byte[BUFFER];
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+ while ((count = bis.read(data, 0, BUFFER)) != -1) {
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+ zipOut.write(data, 0, count);
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+ }
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+
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+ } catch (IOException e) {
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+ log.error("压缩文件夹失败", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ } finally {
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+ if (null != bis) {
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+ try {
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+ bis.close();
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+ } catch (IOException e) {
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+ log.error("", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ }
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+ }
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+ }
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+ }
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+
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+
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+ /**
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+ * 解压zip
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+ *
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+ * @param zipFile
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+ * @param dstPath
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+ * @throws IOException
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+ */
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+ public static void decompress(String zipFile, String dstPath) {
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+ log.info("解压zip:{},临时目录:{}", zipFile, dstPath);
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+ File pathFile = new File(dstPath);
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+ if (!pathFile.exists()) {
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+ pathFile.mkdirs();
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+ }
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+ ZipFile zip = null;
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+ try {
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+ zip = new ZipFile(zipFile);
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+
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+ for (Enumeration entries = zip.entries(); entries.hasMoreElements(); ) {
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+ ZipEntry entry = (ZipEntry) entries.nextElement();
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+ String zipEntryName = entry.getName();
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+ InputStream in = null;
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+ OutputStream out = null;
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+ try {
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+ in = zip.getInputStream(entry);
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+ String outPath = (dstPath + "/" + zipEntryName).replaceAll("\\*", "/");
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+ ;
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+ //判断路径是否存在,不存在则创建文件路径
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+ File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
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+ if (!file.exists()) {
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+ file.mkdirs();
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+ }
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+ //判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压
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+ if (new File(outPath).isDirectory()) {
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+ continue;
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+ }
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+
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+ out = new FileOutputStream(outPath);
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+ byte[] buf1 = new byte[1024];
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+ int len;
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+ while ((len = in.read(buf1)) > 0) {
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+ out.write(buf1, 0, len);
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+ }
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+ } catch (IOException e) {
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+ log.error("解压失败", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ } finally {
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+ if (null != in) {
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+ try {
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+ in.close();
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+ } catch (IOException e) {
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+ log.error("", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ }
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+ }
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+
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+ if (null != out) {
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+ try {
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+ out.close();
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+ } catch (IOException e) {
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+ log.error("", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ }
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+ }
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+ }
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+ }
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+ zip.close();
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+ } catch (IOException e) {
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+ log.error("解压失败", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ }
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+ }
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+
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+ /**
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+ * 删除文件夹
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+ * @param path
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+ */
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+ public static void delete(String path) {
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+
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+ Path directory = Paths.get(path);
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+ try {
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+ Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {
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+ @Override
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+ public FileVisitResult visitFile(Path file, BasicFileAttributes attributes) throws IOException {
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+ Files.delete(file); // this will work because it's always a File
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+ return FileVisitResult.CONTINUE;
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+ }
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+
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+ @Override
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+ public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
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+ Files.delete(dir); //this will work because Files in the directory are already deleted
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+ return FileVisitResult.CONTINUE;
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+ }
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+ });
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+ } catch (IOException e) {
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+ log.error("删除文件失败", e);
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+ throw BusinessExceptionBuilder.build(ResponseCode.FAIL_CODE, e.getMessage());
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+ }
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+ }
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+
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+
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+ public static void main(String[] args) throws Exception {
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+// String targetFolderPath = "D:\\aa";
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+// String rawZipFilePath = "D:\\aa.zip";
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+// String newZipFilePath = "D:\\aa.zip";
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+//
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+//
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+// //将目标目录的文件压缩成Zip文件
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+// FileUtil.compress(targetFolderPath, newZipFilePath);
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+//
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+// //将Zip文件解压缩到目标目录
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+// FileUtil.decompress(rawZipFilePath, targetFolderPath);
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+
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+// FileUtil.downloadPicture("http://10.108.26.197:9095/file/download/fd20d563-00aa-45e2-b5db-aff951f814ec", "D:\\abc.png");
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+
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+
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+
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+// delete("D:\\aa");
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+
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+ }
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+
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+
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+}
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