copyfile.java

java支持的短信平台

package com.khan.file;

import java.io.FileInputStream;
import java.io.FileOutputStream;

/**
 *
 * <p>Title: 文件操作类</p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */

public class CopyFile {
    /**
     * copy 文件
     * @param source_file String
     * @param target_file String
     * @return boolean
     */
    public boolean copy(String source_file, String target_file) {
        try {
            java.io.File file_in = new java.io.File(source_file);
            java.io.File file_out = new java.io.File(target_file);
            FileInputStream in1 = new FileInputStream(file_in);
            FileOutputStream out1 = new FileOutputStream(file_out);
            byte[] bytes = new byte[1024];
            int c;
            while ((c = in1.read(bytes)) != -1) {
                out1.write(bytes, 0, c);
            }
            in1.close();
            out1.close();
            return (true); //if success then return true
        }  catch (Exception e) {
            System.out.println("Error!");
            return (false); //if fail then return false
        }
    }

    /**
     * 删除文件
     * @param file_name String
     * @return boolean
     */
    public boolean delete(String file_name){
      boolean result = false;
      java.io.File file = new java.io.File(file_name);
      if(file.exists()){//检查File.txt是否存在
          file.delete(); //删除File.txt文件
          result = true;
      }
      return result;

    }
}