fileoperate.java

基于Java的地图数据管理软件。使用MySQL数据库管理系统。

package net.aetherial.gis.output;

import java.io.*;

/**
 * @author Administrator
 *
 * TODO 要更改此生成的类型注释的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
public class FileOperate {
  public FileOperate() {
  }

  /**
   * 新建目录
   * @param folderPath String 如 c:/fqf
   * @return boolean
   */
  public void newFolder(String folderPath) {
    try {
      String filePath = folderPath;
      filePath = filePath.toString();
      File myFilePath = new File(filePath);
      myFilePath.getParentFile().mkdirs();
     // 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();
    }
  }
  /**
   * 新建目录2
   * @param folderPath String 如 c:/fqf
   * @return boolean
   */
  public File createFolder(String folderPath) {
    try {
    	   String filePath = folderPath;
    	      filePath = filePath.toString();
    	      File myFilePath = new File(filePath);
    	      myFilePath.getParentFile().mkdirs();
    	      if (!myFilePath.exists()) {
    	        myFilePath.createNewFile();
    	      }
    	      return myFilePath;
    }
    catch (Exception e) {
      System.out.println("新建目录操作出错");
      e.printStackTrace();
      return null;
    }
    
   
  }
  /**
   * 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 void newFile(String filePathAndName, String fileContent) {

    try {
      String filePath = filePathAndName;
      filePath = filePath.toString();
      File myFilePath = new File(filePath);
      myFilePath.getParentFile().mkdirs();
      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();

    }

  }

  public void createFile (String filePath,String sb){
	  try {
	      filePath = filePath.toString();
	      File myFilePath = new File(filePath);
	      myFilePath.getParentFile().mkdirs();
	      if (!myFilePath.exists()) {
	        myFilePath.createNewFile();
	      }
	      FileWriter resultFile = new FileWriter(myFilePath);
	      PrintWriter myFile = new PrintWriter(resultFile);
	      String strContent = "";
	  
	      myFile.println(strContent);
	      myFile.write("ddddddddddddddd\r\n");
	      myFile.write("ddddddddddddddd\r\n");
	      myFile.write("ddddddddddddddd\r\n");
	      myFile.write("ddddddddddddddd\r\n");
	      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
   * @param fileContent String
   * @return boolean
   */
  public 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 filePathAndName String 文件夹路径及名称 如c:/fqf
   * @param fileContent String
   * @return boolean
   */
  public 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 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 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 = null;
        FileOutputStream fs = null;

        inStream = new FileInputStream(oldPath); //读入原文件
        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();

    }

  }

  /**
   * 上传文件
   * @param inStream
   * @param newPath
   */
  public void copyFile(InputStream inStream, String newPath) {
    try {
      int bytesum = 0;
      int byteread = 0;
      // File oldfile = new File(oldPath);
      if (inStream != null) { //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 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 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 void moveFolder(String oldPath, String newPath) {
    copyFolder(oldPath, newPath);
    delFolder(oldPath);

  }
}