操作文件File/目录Directory的工具类

package com.lmb.util;

import java.io.*;

/**
 *功能描述：操作文件和目录 
 */
public class FileAndDirectoryOperate {

public FileAndDirectoryOperate() {
    }

/**
 * 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();
            java.io.File myFilePath = new java.io.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();
            File myFilePath = new File(filePath);
if (!myFilePath.exists()) {
                myFilePath.createNewFile();
            }
            FileWriter resultFile = new FileWriter(myFilePath);
            PrintWriter myFile = new PrintWriter(resultFile);
            String strContent = fileContent;
            myFile.println(strContent);
            resultFile.close();
        } catch (Exception e) {
            System.out.println("新建目录操作出错");
            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();
            java.io.File myDelFile = new java.io.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 文件夹路径及名称 如c:/fqf
 * @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();
            java.io.File myFilePath = new java.io.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 bytesum = 0;
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];
int length;
while ((byteread = inStream.read(buffer)) != -1) {
                    bytesum += byteread; //字节数 文件大小
                    System.out.println(bytesum);
                    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);
    }

/**
 * 获取某目录下的所有文件名称的集合，不包括子目录
 *
 * @param sourcePath
 * @return
 */
public static String[] getAllFileNameOfDirectory(String sourcePath) {
        String[] allFileName = null;
        File strSourcePath = new File(sourcePath);
if (strSourcePath.exists()) {
            allFileName = strSourcePath.list();
for (int i = 0; i < allFileName.length; i++) {
                System.out.println("FileName<" + i + ">=" + allFileName[i]);

            }
        } else {
            System.out.println("指定的路径不存在：" + sourcePath);
        }

return allFileName;
    }
}