新版|新版 Spring Boot双版本(1.5/2.1) 打造企业级微信点餐系统

download:新版 Spring Boot双版本(1.5/2.1) 打造企业级微信点餐系统 *

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    */
package datei.steuern;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
  • @author s.watson
    */
public class FileTools {
public FileTools() {
}
/**
  • formatPath 转义文件目录
    *
  • @param path
  • @return
    */
public static String formatPath(String path) {
return path.replaceAll("\\\\", "/");

}
/**
  • combainPath文件路径合并
    *
  • @param eins
  • @param zwei
  • @return
    */
private static String combainPath(String eins, String zwei) {
String dori = ""; eins = null == eins ? "" : formatPath(eins); zwei = null == zwei ? "" : formatPath(zwei); if (!eins.endsWith("/") && zwei.indexOf("/") != 0) { dori = eins + "/" + zwei; } else { dori = (eins + zwei).replaceAll("//", "/"); } return dori;

}
/**
  • list2Array 列表转换数组
    *
  • @param list
  • @return
    */
private static String[] list2Array(List list) {
String array[] = (String[]) list.toArray(new String[list.size()]); return array;

}
/**
  • cp 复制文件
    *
  • @param source
  • @param destination
  • @param loop
  • @return
    */
public static List cp(String source, String destination, boolean loop) {
List list = new ArrayList(); try { File srcFile = new File(source); File desFile = new File(destination); list.addAll(cp(srcFile, desFile, loop)); } catch (Exception ex) { j2log(null, null, ex); } return list;

}
/**
  • cp 复制文件
    *
  • @param source
  • @param destination
  • @param loop
  • @return
    */
public static List cp(File source, File destination, boolean loop) {
List list = new ArrayList(); try { if (!source.exists() || source.isDirectory()) { throw new FileNotFoundException(); } list.add(cp(source, destination)); if (loop) { String[] subFile = source.list(); for (String subPath : subFile) { String src = https://www.it610.com/article/combainPath(source.getPath(), subPath); //子文件原文件路径 String des = combainPath(destination.getPath(), subPath); //子文件目标路径 File subfile = new File(src); if (subfile.isFile()) { list.add(cp(src, des)); } else if (subfile.isDirectory() && loop) { list.addAll(cp(src, des, loop)); } } } } catch (Exception ex) { j2log(null, null, ex); } return list;

}
/**
  • cp 单文件复制文件
    *
  • @param source
  • @param destination
  • @return
    */
public static File cp(String source, String destination) {
File desFile = null; try { File srcFile = new File(source); desFile = new File(destination); desFile = cp(srcFile, desFile); } catch (Exception ex) { j2log(null, null, ex); } return desFile;

}
/**
  • cp 单文件复制文件
    *
  • @param source
  • @param destination
  • @return
    */
public static File cp(File source, File destination) {
FileInputStream in = null; FileOutputStream out = null; FileChannel inc = null; FileChannel outc = null; try { if (!source.exists() || source.isDirectory()) { throw new FileNotFoundException(); } if (source.getPath().equals(destination.getPath())) { return source; } long allbytes = du(source, false); if (!destination.exists()) { destination.createNewFile(); } in = new FileInputStream(source.getPath()); out = new FileOutputStream(destination); inc = in.getChannel(); outc = out.getChannel(); ByteBuffer byteBuffer = null; long length = 2097152; //基本大小,默认2M long _2M = 2097152; while (inc.position() < inc.size()) { if (allbytes > (64 * length)) {//如果文件大小大于128M 缓存改为64M length = 32 * _2M; } else if (allbytes > (32 * length)) {//如果文件大小大于64M 缓存改为32M length = 16 * _2M; } else if (allbytes > (16 * length)) {//如果文件大小大于32M 缓存改为16M length = 8 * _2M; } else if (allbytes > (8 * length)) {//如果文件大小大于16M 缓存改为8M length = 4 * _2M; } else if (allbytes > (4 * length)) {//如果文件大小大于8M 缓存改为4M length = 2 * _2M; } else if (allbytes > (2 * length)) {//如果文件大小大于4M 缓存改为2M length = _2M; } else if (allbytes > (length)) {//如果文件大小大于2M 缓存改为1M length = _2M / 2; } else if (allbytes < length) {//如果文件小于基本大小,直接输出 length = allbytes; } allbytes = inc.size() - inc.position(); byteBuffer = ByteBuffer.allocateDirect((int) length); inc.read(byteBuffer); byteBuffer.flip(); outc.write(byteBuffer); outc.force(false); } } catch (Exception ex) { j2log(null, null, ex); } finally { try { if (null != inc) { inc.close(); } if (null != outc) { outc.close(); } if (null != in) { in.close(); } if (null != out) { out.close(); } } catch (Exception ex) { j2log(null, null, ex); } } return destination;

}
/**
  • rename 文件重命名
    *
  • @param filePath
  • @param from
  • @param to
  • @return
    */
public static File rename(String filePath, String from, String to) {
File newFile = null; try { File oldFile = new File(combainPath(filePath, from)); newFile = new File(combainPath(filePath, to)); rename(newFile, oldFile); } catch (Exception ex) { j2log(null, null, ex); } return newFile;

}
/**
  • rename 文件重命名
    *
  • @param to
  • @param from
  • @return
    */
public static File rename(File from, File to) {
try { String newPath = to.getPath(); String oldPath = from.getPath(); if (!oldPath.equals(newPath)) { if (!to.exists()) { from.renameTo(to); } } } catch (Exception ex) { j2log(null, null, ex); } return to;

}
/**
  • mv 移动文件
    *
  • @param fileName
  • @param source
  • @param destination
  • @param cover
    */
public static void mv(String fileName, String source, String destination, boolean cover) {
try { if (!source.equals(destination)) { File oldFile = new File(combainPath(source, fileName)); File newFile = new File(combainPath(destination, fileName)); mv(oldFile, newFile, cover); } } catch (Exception ex) { j2log(null, null, ex); }

}
/**
  • mv 移动文件
    *
  • @param source
  • @param destination
  • @param cover
    */
public static void mv(String source, String destination, boolean cover) {
try { if (!source.equals(destination)) { File oldFile = new File(source); File newFile = new File(destination); mv(oldFile, newFile, cover); } } catch (Exception ex) { j2log(null, null, ex); }

}
/**
  • mv 移动文件
    *
  • @param source
  • @param destination
  • @param cover
    */
public static void mv(File source, File destination, boolean cover) {
try { if (!source.exists()) { throw new FileNotFoundException(); } StringBuilder fileName = new StringBuilder(source.getName()); if (!cover && source.getPath().equals(destination.getPath())) { if (fileName.indexOf(".") > 0) { fileName.insert(fileName.lastIndexOf("."), "_副本"); } else { fileName.append("_副本"); } cp(source, new File(combainPath(source.getParent(), fileName.toString()))); } else { source.renameTo(destination); } } catch (Exception ex) { j2log(null, null, ex); }

}
/**
  • extensions 获取文件扩展名信息
    *
  • @param filePath
  • @param fileName
  • @return
    */
private static String[] extensions(String filePath, String fileName) {
String[] extension = {}; try { String fullPath = combainPath(filePath, fileName); File file = new File(fullPath); extensions(file); } catch (Exception ex) { j2log(null, null, ex); } return extension;

}
/**
  • extensions 获取文件扩展名信息
    *
  • @param fullPath
  • @return
    */
private static String[] extensions(String fullPath) {
String[] extension = {}; try { File file = new File(fullPath); extensions(file); } catch (Exception ex) { j2log(null, null, ex); } return extension;

}
/**
  • extensions 获取文件扩展名信息
    *
  • @param file
  • @return
    */
private static String[] extensions(File file) {
String[] extension = {}; try { if (file.isFile()) { String fileName = file.getName(); if (fileName.lastIndexOf(".") >= 0) { int lastIndex = fileName.lastIndexOf("."); extension[0] = String.valueOf(lastIndex); //扩展名的“.”的索引 extension[1] = fileName.substring(lastIndex + 1); //扩展名 extension[2] = fileName.substring(0, lastIndex); //文件名 } } } catch (Exception ex) { j2log(null, null, ex); } return extension;

}
/**
  • ls 遍历文件
    *
  • @param filePath
  • @param loop
  • @return
    */
public static List ls(String filePath, boolean loop) {
List list = new ArrayList(); try { File file = new File(filePath); list.addAll(ls(file, loop)); } catch (Exception ex) { j2log(null, null, ex); } return list;

}
/**
  • ls 遍历文件
    *
  • @param file
  • @param loop
  • @return
    */
public static List ls(File file, boolean loop) {
List list = new ArrayList(); try { list.add(file); if (!file.isDirectory()) { list.add(file); } else if (file.isDirectory()) { File[] subList = file.listFiles(); subList = filesSort(subList, true); for (File subFile : subList) { if (subFile.isDirectory() && loop) { list.addAll(ls(subFile.getPath(), loop)); } else { list.add(subFile); } } } } catch (Exception ex) { j2log(null, null, ex); } return list;

}
【新版|新版 Spring Boot双版本(1.5/2.1) 打造企业级微信点餐系统】/**
  • filesSort 文件排序(默认升序)
    *
  • @param parentPath
  • @param subList
  • @return
    */
private static File[] filesSort(File[] inFiles, boolean asc) {
List files = new ArrayList(); List dirs = new ArrayList(); for (File subFile : inFiles) { if (subFile.isDirectory()) { dirs.add(subFile.getPath()); } else if (subFile.isFile()) { files.add(subFile.getPath()); } }

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