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@@ -2,13 +2,28 @@ package ieven.server.webapp.util;
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import com.ibm.icu.text.CharsetDetector;
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import com.ibm.icu.text.CharsetMatch;
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+import org.apache.commons.codec.digest.DigestUtils;
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+import org.apache.commons.compress.archivers.sevenz.SevenZArchiveEntry;
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+import org.apache.commons.compress.archivers.sevenz.SevenZFile;
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+import org.apache.http.entity.ContentType;
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+import org.apache.log4j.Logger;
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+import org.springframework.mock.web.MockMultipartFile;
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+import org.springframework.web.multipart.MultipartFile;
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import java.io.*;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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+import java.util.ArrayList;
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+import java.util.HashMap;
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+import java.util.List;
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+import java.util.Map;
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public class FileUtils {
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+ private static final Logger logger = Logger.getLogger(FileUtils.class);
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+
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+ public FileUtils() {
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+ }
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public static ByteArrayOutputStream cloneInputStream(InputStream input) {
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try {
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@@ -29,7 +44,7 @@ public class FileUtils {
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/**
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* 读文件,根据文件名,返回文件内容字符串;
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* 读文件之前会探测编码格式,按准确的编码格式进行读取;若编码格式探测失败,则默认按照"UTF-8"进行读取
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- * */
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+ */
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public static String getFileCharsetByICU4J(FileInputStream inputStream) {
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String encoding = "UTF-8";
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try {
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@@ -57,4 +72,263 @@ public class FileUtils {
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}
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return encoding;
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}
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+
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+ /**
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+ * md5检验上传文件是否与历史文件重复
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+ *
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+ * @param file
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+ * @param filePath
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+ * @return
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+ */
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+ public static Map<Boolean, String> distinctWithMd5(MultipartFile file, String filePath) {
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+ boolean result = false;
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+ String fileName = file.getOriginalFilename();
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+ String md5 = new String();
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+ try {
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+ md5 = DigestUtils.md5Hex(file.getInputStream());
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+
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+ File uploadFilePath = new File(filePath);
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+ File[] tempList = uploadFilePath.listFiles();
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+ for (int i = 0; i < tempList.length; i++) {
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+ if (tempList[i].isFile()) {
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+ result = md5.equals(DigestUtils.md5Hex(new FileInputStream(tempList[i])));
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+ if (result == true)
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+ break;
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+ }
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+ }
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ Map<Boolean, String> res = new HashMap<>();
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+ res.put(result, fileName);
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+ return res;
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+ }
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+
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+ /**
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+ * 检验当前上传文件列表中的文件是否与历史冲突
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+ *
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+ * @param files
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+ * @param fileUploadPath
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+ * @return 将重复文件名返回，Boolean 标识是否含有重复文件
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+ */
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+ public static Map<Boolean, List<String>> filesRepetition(List<MultipartFile> files, String fileUploadPath) {
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+ Map<Boolean, List<String>> result = new HashMap<>();
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+ boolean repetitionExist = false;
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+ List<String> repetitionFiles = new ArrayList<>();
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+ files.forEach(x -> {
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+ Map<Boolean, String> fileRepetition = distinctWithMd5(x, fileUploadPath);
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+ if (fileRepetition.containsKey(true)) {
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+ repetitionFiles.add(fileRepetition.get(true));
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+ }
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+ });
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+ if (!repetitionFiles.isEmpty()) {
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+ repetitionExist = true;
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+ }
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+ result.put(repetitionExist, repetitionFiles);
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+ return result;
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+ }
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+
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+ /**
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+ * 将文件按照指定路径上传
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+ *
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+ * @param file
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+ * @param savePath
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+ */
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+ public static boolean uploadFile(MultipartFile file, String savePath) {
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+ //上传
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+ File path = new File(savePath);
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+ boolean status = true;
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+ if (!path.getParentFile().exists()) {
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+ try {
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+ logger.info("父目录不存在，创建父目录： " + path.getParent());
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+ if (path.getParentFile().mkdirs()) {
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+ logger.info("上传文件 ： " + savePath);
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+ file.transferTo(new File(savePath));
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+ } else {
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+ logger.info("创建文件失败:" + path.getParent() + "无法创建！");
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+ status = false;
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+ }
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ status = false;
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+ }
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+ return status;
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+ } else {
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+ try {
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+ logger.info("上传文件 ： " + savePath);
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+ file.transferTo(new File(savePath));
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+ return status;
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+ } catch (IOException e) {
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+ logger.error("文件上传错误", e);
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+ e.printStackTrace();
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+ return false;
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+ }
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+ }
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+ }
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+
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+ /**
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+ * @param fileName 要删除的文件名
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+ * @return 删除成功返回true，否则返回false
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+ */
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+ public static boolean deleteFile(String fileName) {
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+ File file = new File(fileName);
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+ if (!file.exists()) {
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+ logger.info("删除文件失败:" + fileName + "不存在！");
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+ return false;
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+ } else {
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+ if (file.isFile()) {
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+ return file.delete();
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+ } else {
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+ logger.info("删除文件失败:" + fileName + "不是文件！");
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+ return false;
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 读文件,根据文件名,返回文件内容字符串;
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+ * 读文件之前会探测编码格式,按准确的编码格式进行读取;若编码格式探测失败,则默认按照"UTF-8"进行读取
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+ */
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+ public static String getFileCharsetByICU4J(File file) {
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+ String encoding = null;
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+ try {
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+ Path path = Paths.get(file.getPath());
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+ byte[] data = Files.readAllBytes(path);
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+ BufferedInputStream bin = new BufferedInputStream(new FileInputStream(file));
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+ int p = (bin.read() << 8) + bin.read();
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+ bin.close();
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+ switch (p) {
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+ case 0xefbb:
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+ encoding = "UTF-8";
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+ break;
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+ case 0xfffe:
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+ encoding = "Unicode";
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+ break;
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+ case 0xfeff:
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+ encoding = "UTF-16BE";
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+ break;
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+ case 45801:
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+ encoding = "GB18030";
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+ break;
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+ default:
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+ CharsetDetector detector = new CharsetDetector();
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+ detector.setText(data);
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+ CharsetMatch match = detector.detect();
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+ if (match == null) {
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+ encoding = "GBK";
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+ } else {
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+ encoding = match.getName();
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+ }
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+ }
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+
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+ } catch (IOException var6) {
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+ var6.printStackTrace();
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+ encoding = "UTF-8";
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+ }
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+ return encoding;
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+ }
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+
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+
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+
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+
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+ public static void unPackRar(File rarFile, String destDir) throws Exception {
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+
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+ }
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+
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+
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+ private static void unPack7z(File file, String destDir) {
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+ try {
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+ SevenZFile sevenZFile = new SevenZFile(file);
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+ SevenZArchiveEntry entry = sevenZFile.getNextEntry();
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+ while (entry != null) {
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+ File f = new File(destDir + File.separator + entry.getName());
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+ if (entry.isDirectory()) {
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+ if (!file.exists()) {
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+ f.mkdirs();
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+ }
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+ entry = sevenZFile.getNextEntry();
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+ continue;
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+ }
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+ if (!f.getParentFile().exists()) {
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+ f.getParentFile().mkdirs();
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+ }
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+ FileOutputStream out = new FileOutputStream(file);
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+ byte[] content = new byte[(int) entry.getSize()];
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+ sevenZFile.read(content, 0, content.length);
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+ out.write(content);
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+ out.close();
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+ entry = sevenZFile.getNextEntry();
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+ }
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+ sevenZFile.close();
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+ } catch (FileNotFoundException e) {
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+ e.printStackTrace();
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+
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+
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+ private static void search(File file, List<File> result) {
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+ if (file.isDirectory()) {
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+ File[] files = file.listFiles();
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+ if (files != null) {
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+ for (File subFile : files) {
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+ search(subFile, result);
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+ }
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+ }
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+ } else {
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+ String fileName = file.getName();
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+ //System.out.println(fileName);
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+ if (fileName.endsWith(".xls") || fileName.endsWith(".xlsx") || fileName.endsWith(".csv")) {
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+ result.add(file);
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+ }
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+ }
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+ }
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+
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+
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+ public static List<MultipartFile> transferFileToMulti(List<File> files) {
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+ List<MultipartFile> list = new ArrayList<>();
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+ for (File file : files) {
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+ list.add(getMultipartFile(file));
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+ }
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+ return list;
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+ }
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+
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+ public static MultipartFile getMultipartFile(File file) {
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+ FileInputStream fileInputStream = null;
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+ MultipartFile multipartFile = null;
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+ try {
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+ fileInputStream = new FileInputStream(file);
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+ multipartFile = new MockMultipartFile(file.getName(), file.getName(),
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+ ContentType.APPLICATION_OCTET_STREAM.toString(), fileInputStream);
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ }
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+ return multipartFile;
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+ }
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+
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+
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+ public static void deleteAllFiles(File file) {
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+ //判断文件不为null或文件目录存在
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+ if (file == null || !file.exists()) {
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+ logger.info("文件删除失败,请检查文件路径是否正确");
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+ return;
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+ }
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+ //取得这个目录下的所有子文件对象
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+ File[] files = file.listFiles();
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+ //遍历该目录下的文件对象
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+ for (File f : files) {
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+ //打印文件名
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+ String name = file.getName();
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+ System.out.println(name);
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+ //判断子目录是否存在子目录,如果是文件则删除
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+ if (f.isDirectory()) {
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+ deleteAllFiles(f);
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+ } else {
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+ f.delete();
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+ }
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+ }
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+ //删除空文件夹 for循环已经把上一层节点的目录清空。
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+ file.delete();
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+ }
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}
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hankunkun
