需求：读取input文件下的所有内容，并复制到output文件下。例如：
E:\input
E:\output
1.业务层
| package CopyFile; import java.io.File; import java.io.IOException;
public class CopyService { /***
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* 1.获取输入输出路径 */ public static void SendCopyPath() { String separator = File.separator; File directory = new File(""); String inputPath = directory.getAbsolutePath() + "/input"; String outputPath = directory.getAbsolutePath() + "/output";
File inFile = new File(inputPath); File outFile = new File(outputPath); System.out.println(inFile); System.out.println(outFile);
try { getFile(inFile, outFile); } catch (IOException e) { System.out.println("文件创建失败，请检查路径"); } }
/** * 2.逻辑判断 * @param fileIn 输入路径o * @param fileOut 输出路径 * @throws IOException */ public static void getFile(File inFile, File outFile) throws IOException { if(!inFile.exists()){ inFile.mkdirs(); } if(!outFile.exists()){ outFile.mkdirs(); } //1.得到input中所有的文件 File[] listFiles = inFile.listFiles(); if(listFiles.length>0){ //2.遍历文件 for (int i = 0; i < listFiles.length; i++) { //输出路径 File inFile2 = listFiles[i]; System.out.println("+输入：+++"+inFile2); //文件名 String name = inFile2.getName(); System.out.println("文件名====="+name); //输出路径 File outFile2 = new File(outFile,name); System.out.println("-输出：---"+outFile2);
//1.1文件--->遍历 if(inFile2.isFile()){ outFile2.createNewFile(); CopyDao.CopyOldFile(name, inFile2, outFile2); } //1.2文件夹-->递归 else{ getFile(inFile2, outFile2); } } }else{ System.out.println("空文件夹"); } }
} |
2.Dao层，
| package CopyFile;
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.List;
public class CopyDao { /** * 根据文件名判断 * @param name * @param fileIn2 * @param fileOut2 */ public static void CopyOldFile(String name, File fileIn2, File fileOut2) { //cpp处理逻辑 if ((name.endsWith(".cpp") || name.endsWith(".CPP"))) { List<String> list = readToList(fileIn2); for (int i = 0; i < list.size(); i++) { System.out.println(list.get(i)); if (list.get(i).startsWith("extern \"C\"")) { list.add(i, RandomString.CPPrandom()); ++i; } } writer(fileOut2, list); System.out.println(".cpp处理over"); }
//.h处理逻辑 else if (name.endsWith(".h") || name.endsWith(".H")) { List<String> list = readToList(fileIn2); if (list.get(list.size() - 1).startsWith("@end")) { for (int i = 0; i < 200; i++) { list.add(list.size() - 1, RandomString.HRandom()); } } writer(fileOut2, list); System.out.println(".h处理over"); }
else if (name.endsWith(".m") || name.endsWith(".M")) { List<String> list = readToList(fileIn2); if (list.get(list.size() - 1).startsWith("@end")) { for (int i = 0; i < 200; i++) { list.add(list.size() - 1, RandomString.MRandom()); } } writer(fileOut2, list); System.out.println(".m处理over"); }
else { writer(fileOut2, readToList(fileIn2)); }
}
/** * 2.读取文件--->放入集合 * @param fileIn2 * @return */ public static ArrayList<String> readToList(File fileIn2) { BufferedReader br = null; String line = null; ArrayList<String> list = new ArrayList<String>(); StringBuffer buf = new StringBuffer();
try { br = new BufferedReader(new InputStreamReader(new FileInputStream(fileIn2), "UTF-8"));
while (((line = br.readLine()) != null)) { if (!line.equals("")) { buf.append(line); list.add(buf.toString()); buf.delete(0, buf.length()); } } } catch (Exception e) { e.printStackTrace(); } finally { try { br.close();
} catch (IOException e) { e.printStackTrace(); } } return list; }
/** * 3.读取集合--->写出内容 */ public static void writer(File fileOut, List<String> content) { BufferedWriter bw = null; try { bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(fileOut), "UTF-8")); for (int i = 0; i < content.size(); i++) { bw.write(content.get(i)); bw.newLine(); }
} catch (Exception e) { e.printStackTrace(); } finally { try { bw.close(); } catch (IOException e) { e.printStackTrace(); } } } } |
3.业务处理层
| package CopyFile;
import java.util.LinkedList; import java.util.Random;
public class RandomString { static LinkedList<String> llist = new LinkedList<String>(); static int count=-1; /** * .H文件拼接 * @return */ public static String HRandom() { String funcName = RString(15); llist.add(funcName); String sb = RString(10); StringBuffer sb2 = new StringBuffer(); sb2.append("-(NSArray*)" + funcName + ":(NSArray*)" + sb + ";"); return sb2.toString(); } /** * .M文件拼接 * @return */ public static String MRandom() { ++count; String sb = RString(10); StringBuffer sb2 = new StringBuffer(); for (int i = 0; i < llist.size(); i++) { sb2.append("-(NSArray*) " +llist.get(count)+ ":(NSArray*)" + sb + "{\r\n"+ "\treturn " + sb + ";\r\n}"); } return sb2.toString(); }
/** * .cpp */ public static String CPPrandom() { String s = RString(10); StringBuffer sb2 = new StringBuffer(); sb2.append("extern \"C\" void " + s + "(){\r\n" + "\treturn;\r\n}"); return sb2.toString(); }
/** * .py */ public static String PyRandom() { return RString(20); }
/** * 生成随机数 * @param length * @return */ public static String RString(int length) { String str = "zxcvbnmlkjhgfdsaqwertyuiopQWERTYUIOPASDFGHJKLZXCVBNM"; Random random = new Random(); StringBuffer sb = new StringBuffer(); for (int i = 0; i < length; i++) { int number = random.nextInt(52); sb.append(str.charAt(number)); } return sb.toString(); }
} |