gistfile1.txt package com.htht.util;import java.io.*;import java.nio.charset.Charset;import java.util.*;import java.util.zip.ZipEntry;import java.util.zip.ZipInputStream;/** * Created by Administrator on 2017/3/22. */public class SFileUtil
package com.htht.util;
import java.io.*;
import java.nio.charset.Charset;
import java.util.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
/**
* Created by Administrator on 2017/3/22.
*/
public class SFileUtil {
/**文件重命名
* @param path 文件目录
* @param oldname 原来的文件名
* @param newname 新文件名
*/
public static String renameFile(String path,String oldname,String newname){
if(!oldname.equals(newname)){//新的文件名和以前文件名不同时,才有必要进行重命名
File oldfile=new File(path+oldname);
File newfile=new File(path+newname);
if(!oldfile.exists()){
return "重命名文件不存在";//
}
if(newfile.exists())//若在该目录下已经有一个文件和新文件名相同，则不允许重命名
return newname+"已经存在！";
else{
oldfile.renameTo(newfile);
return "文件重命名成功";
}
}else{
return "新文件名和旧文件名相同...";
}
}
/**
* 新建目录
*
* @param folderPath String 如 c:/fqf
* @return boolean
*/
public static void newFolder(String folderPath) {
try {
String filePath = folderPath;
filePath = filePath.toString();
File myFilePath = new File(filePath);
if (!myFilePath.exists()) {
myFilePath.mkdir();
}
} catch (Exception e) {
System.out.println("新建目录操作出错");
e.printStackTrace();
}
}
/**
* 新建文件
*
* @param filePathAndName String 文件路径及名称 如c:/fqf.txt
* @param fileContent String 文件内容
* @return boolean
*/
public static void newFile(String filePathAndName, String fileContent) {
try {
String filePath = filePathAndName;
filePath = filePath.toString(); //取的路径及文件名
File myFilePath = new File(filePath);
/**如果文件不存在就建一个新文件*/
if (!myFilePath.exists()) {
myFilePath.createNewFile();
}
FileWriter resultFile = new FileWriter(myFilePath); //用来写入字符文件的便捷类, 在给出 File 对象的情况下构造一个 FileWriter 对象
PrintWriter myFile = new PrintWriter(resultFile); //向文本输出流打印对象的格式化表示形式,使用指定文件创建不具有自动行刷新的新 PrintWriter。
String strContent = fileContent;
myFile.println(strContent);
resultFile.close();
} catch (Exception e) {
System.out.println("新建文件操作出错");
e.printStackTrace();
}
}
/**
* 删除文件
*
* @param filePathAndName String 文件路径及名称 如c:/fqf.txt
* @return boolean
*/
public static void delFile(String filePathAndName) {
try {
String filePath = filePathAndName;
filePath = filePath.toString();
File myDelFile = new File(filePath);
myDelFile.delete();
} catch (Exception e) {
System.out.println("删除文件操作出错");
e.printStackTrace();
}
}
/**
* 删除文件夹
*
* @param folderPath String
* @return boolean
*/
public static void delFolder(String folderPath) {
try {
delAllFile(folderPath); //删除完里面所有内容
String filePath = folderPath;
filePath = filePath.toString();
File myFilePath = new File(filePath);
myFilePath.delete(); //删除空文件夹
} catch (Exception e) {
System.out.println("删除文件夹操作出错");
e.printStackTrace();
}
}
/**
* 删除文件夹里面的所有文件
*
* @param path String 文件夹路径 如 c:/fqf
*/
public static void delAllFile(String path) {
File file = new File(path);
if (!file.exists()) {
return;
}
if (!file.isDirectory()) {
return;
}
String[] tempList = file.list();
File temp = null;
for (int i = 0; i < tempList.length; i++) {
if (path.endsWith(File.separator)) {
temp = new File(path + tempList[i]);
} else {
temp = new File(path + File.separator + tempList[i]);
}
if (temp.isFile()) {
temp.delete();
}
if (temp.isDirectory()) {
delAllFile(path + "/" + tempList[i]);//先删除文件夹里面的文件
delFolder(path + "/" + tempList[i]);//再删除空文件夹
}
}
}
/**
* 复制单个文件
*
* @param oldPath String 原文件路径 如：c:/fqf.txt
* @param newPath String 复制后路径 如：f:/fqf.txt
* @return boolean
*/
public static void copyFile(String oldPath, String newPath) {
try {
int byteread = 0;
File oldfile = new File(oldPath);
if (oldfile.exists()) { //文件存在时
InputStream inStream = new FileInputStream(oldPath); //读入原文件
FileOutputStream fs = new FileOutputStream(newPath);
byte[] buffer = new byte[1444];
while ((byteread = inStream.read(buffer)) != -1) {
fs.write(buffer, 0, byteread);
}
inStream.close();
}
} catch (Exception e) {
System.out.println("复制单个文件操作出错");
e.printStackTrace();
}
}
/**
* 复制整个文件夹内容
*
* @param oldPath String 原文件路径 如：c:/fqf
* @param newPath String 复制后路径 如：f:/fqf/ff
* @return boolean
*/
public static void copyFolder(String oldPath, String newPath) {
try {
(new File(newPath)).mkdirs(); //如果文件夹不存在 则建立新文件夹
File a = new File(oldPath);
String[] file = a.list();
File temp = null;
for (int i = 0; i < file.length; i++) {
if (oldPath.endsWith(File.separator)) {
temp = new File(oldPath + file[i]);
} else {
temp = new File(oldPath + File.separator + file[i]);
}
if (temp.isFile()) {
FileInputStream input = new FileInputStream(temp);
FileOutputStream output = new FileOutputStream(newPath + "/" +
(temp.getName()).toString());
byte[] b = new byte[1024 * 5];
int len;
while ((len = input.read(b)) != -1) {
output.write(b, 0, len);
}
output.flush();
output.close();
input.close();
}
if (temp.isDirectory()) {//如果是子文件夹
copyFolder(oldPath + "/" + file[i], newPath + "/" + file[i]);
}
}
} catch (Exception e) {
System.out.println("复制整个文件夹内容操作出错");
e.printStackTrace();
}
}
/**
* 移动文件到指定目录
*
* @param oldPath String 如：c:/fqf.txt
* @param newPath String 如：d:/fqf.txt
*/
public static void moveFile(String oldPath, String newPath) {
copyFile(oldPath, newPath);
delFile(oldPath);
}
/**
* 移动文件到指定目录
*
* @param oldPath String 如：c:/fqf.txt
* @param newPath String 如：d:/fqf.txt
*/
public static void moveFolder(String oldPath, String newPath) {
copyFolder(oldPath, newPath);
delFolder(oldPath);
}
// 拷贝文件
private static void copyFile2(String source, String dest) {
try {
File in = new File(source);
File out = new File(dest);
FileInputStream inFile = new FileInputStream(in);
FileOutputStream outFile = new FileOutputStream(out);
byte[] buffer = new byte[10240];
int i = 0;
while ((i = inFile.read(buffer)) != -1) {
outFile.write(buffer, 0, i);
}//end while
inFile.close();
outFile.close();
}//end try
catch (Exception e) {
}//end catch
}//end copyFile
public static String getFolderFileNums(String path) {
File folder = new File(path);
File[] list = folder.listFiles();
int fileCount = 0, folderCount = 0;
long length = 0;
for (File file : list) {
if (file.isFile()) {
fileCount++;
length += file.length();
} else {
folderCount++;
}
}
return fileCount + "," + folderCount;
}
public static List decompress(String zippath, String decompresspath) {
List
list = new ArrayList
(); try { ZipInputStream Zin = new ZipInputStream(new FileInputStream(zippath), Charset.forName("GBK"));//输入源zip路径 BufferedInputStream Bin = new BufferedInputStream(Zin); String Parent = decompresspath; //输出路径（文件夹目录） File Fout = null; ZipEntry entry; try { while ((entry = Zin.getNextEntry()) != null && !entry.isDirectory()) { Fout = new File(Parent, entry.getName()); list.add(entry.getName()); if (!Fout.exists()) { (new File(Fout.getParent())).mkdirs(); } FileOutputStream out = new FileOutputStream(Fout); BufferedOutputStream Bout = new BufferedOutputStream(out); int b; while ((b = Bin.read()) != -1) { Bout.write(b); } Bout.close(); out.close(); System.out.println(Fout + "解压成功"); } Bin.close(); Zin.close(); return list; } catch (IOException e) { e.printStackTrace(); } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return list; } public static String getExtensionName(String filename) { if ((filename != null) && (filename.length() > 0) && filename.contains(".")) { int dot = filename.lastIndexOf('.'); if ((dot > -1) && (dot < (filename.length() - 1))) { return filename.substring(dot + 1); } } return ""; } public static long getTotalSizeOfFilesInDir(final File file) { if (file.isFile()) return file.length(); final File[] children = file.listFiles(); long total = 0; if (children != null) for (final File child : children) total += getTotalSizeOfFilesInDir(child); return total; } public static boolean deleteDir(File dir) { if (dir.isDirectory()) { String[] children = dir.list(); //递归删除目录中的子目录下 if (children.length > 0) { for (int i = 0; i < children.length; i++) { boolean success = deleteDir(new File(dir, children[i])); if (!success) { return false; } } } else { return dir.delete(); } } // 目录此时为空，可以删除 return dir.delete(); } //按照文件大小排序 public static void orderByLength(String fliePath) { List< File> files = Arrays.asList(new File(fliePath).listFiles()); Collections.sort(files, new Comparator< File>() { public int compare(File f1, File f2) { long diff = f1.length() - f2.length(); if (diff > 0) return 1; else if (diff == 0) return 0; else return -1; } public boolean equals(Object obj) { return true; } }); for (File f : files) { if(f.isDirectory()) continue; // System.out.println(f.getName()+":"+f.length()); } } //按照文件名称排序 public static void orderByName(String fliePath) { List
files = Arrays.asList(new File(fliePath).listFiles()); Collections.sort(files, new Comparator< File>() { public int compare(File o1, File o2) { if (o1.isDirectory() && o2.isFile()) return -1; if (o1.isFile() && o2.isDirectory()) return 1; return o1.getName().compareTo(o2.getName()); } }); // for (File f : files) { // System.out.println(f.getName()); // } } //按日期排序 public static void orderByDate(String fliePath) { File file = new File(fliePath); File[] fs = file.listFiles(); Arrays.sort(fs,new Comparator< File>(){ public int compare(File f1, File f2) { long diff = f1.lastModified() - f2.lastModified(); if (diff > 0) return 1; else if (diff == 0) return 0; else return -1; } public boolean equals(Object obj) { return true; } }); for (int i = fs.length-1; i >-1; i--) { // System.out.println(fs[i].getName()); // System.out.println(new Date(fs[i].lastModified())); } } }