项目差异class文件提取–>上线用

package fileReader; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import javax.swing.JOptionPane; public class DemoFilre { private static String MESSAGE = ""; public static void main(String[] args) { String filePath = System.getProperty("user.home") + "\\Desktop\\aaa.txt"; readTxtFile(filePath); } public static void readTxtFile(String filePath) { try { String encoding = "GBK"; File file = new File(filePath); if (file.isFile() && file.exists()) { // 判断文件是否存在 InputStreamReader read = new InputStreamReader( new FileInputStream(file), encoding);// 考虑到编码格式 BufferedReader bufferedReader = new BufferedReader(read); String lineTxt = null; while ((lineTxt = bufferedReader.readLine()) != null) { if(lineTxt.startsWith("==")) continue; if(lineTxt.isEmpty()) continue; System.out.println("D:\\workspace\\spdbSjptServer\\WebRoot\\" + lineTxt.toString()); // 读文件,copy copyFile("D:\\workspace\\spdbSjptServer\\WebRoot\\" + lineTxt.toString(), System.getProperty("user.home") + "\\Desktop\\待上线\\" + lineTxt.toString(), true); } read.close(); } else { System.out.println("找不到指定的文件"); } } catch (Exception e) { System.out.println("读取文件内容出错"); e.printStackTrace(); } } public static boolean copyFile(String srcFileName, String destFileName, boolean overlay) { File srcFile = new File(srcFileName); // 判断源文件是否存在 if (!srcFile.exists()) { MESSAGE = "源文件：" + srcFileName + "不存在！"; JOptionPane.showMessageDialog(null, MESSAGE); return false; } else if (!srcFile.isFile()) { MESSAGE = "复制文件失败，源文件：" + srcFileName + "不是一个文件！"; JOptionPane.showMessageDialog(null, MESSAGE); return false; } // 判断目标文件是否存在 File destFile = new File(destFileName); if (destFile.exists()) { // 如果目标文件存在并允许覆盖 if (overlay) { // 删除已经存在的目标文件，无论目标文件是目录还是单个文件 new File(destFileName).delete(); } } else { // 如果目标文件所在目录不存在，则创建目录 if (!destFile.getParentFile().exists()) { // 目标文件所在目录不存在 if (!destFile.getParentFile().mkdirs()) { // 复制文件失败：创建目标文件所在目录失败 return false; } } } // 复制文件 int byteread = 0; // 读取的字节数 InputStream in = null; OutputStream out = null; try { in = new FileInputStream(srcFile); out = new FileOutputStream(destFile); byte[] buffer = new byte[1024]; while ((byteread = in.read(buffer)) != -1) { out.write(buffer, 0, byteread); } return true; } catch (FileNotFoundException e) { return false; } catch (IOException e) { return false; } finally { try { if (out != null) out.close(); if (in != null) in.close(); } catch (IOException e) { e.printStackTrace(); } } } }