用于删除java注释的小程序

只能删除java文件中每一行中第一次出现的/**/注释
对java反编译以后的代码注释删除工作有帮助

删除java单行注释

01	import java.io.BufferedReader;

02	import java.io.BufferedWriter;

03	import java.io.File;

04	import java.io.FileOutputStream;

05	import java.io.FileReader;

06	import java.io.FileWriter;

07	import java.io.OutputStreamWriter;

08

09	class ListAllFirst {

10	public static void main(String[] args) throws Exception {

11	String fileName = "D:\\dto.syntheticalstatistics.src\\com\\sysway\\boss\\dto\\report\\statistics";

12	File f = new File(fileName);

13

print(f);

14

15

}

16

17	public static void print(File f) throws Exception {

18

19	if (f != null) {

20	if (f.isDirectory()) {

21	String st2 = f.toString().replace("D:\\", "E:\\");

22	File fc = new File(st2);

23	fc.mkdirs();

24	File[] fileArray = f.listFiles();

25	if (fileArray != null) {

26	for (int i = 0; i < fileArray.length; i++) {

27

// 递归调用

28	print(fileArray[i]);

29

}

30

}

31

} else {

32	// System.out.println(f);

33	if (f.getName().endsWith(".java")) {

34	String stfile = f.toString().replace("D:\\", "E:\\");

35

36	FileOutputStream fileOutputStream = new FileOutputStream(

37

stfile);

38	OutputStreamWriter outputStreamWriter = new OutputStreamWriter(

39	fileOutputStream, "UTF-8");// 或者"GBK"

40	BufferedWriter bw = new BufferedWriter(outputStreamWriter);

41

42	// BufferedWriter bw=new BufferedWriter(new

43	// FileWriter(stfile));

44	String str = DelCommentsInJava.fun1(f);

45	bw.write(str);

46	bw.flush();

47	bw.close();

48

49

} else {

50	String out = f.toString().replace("D:\\", "E:\\");

51	BufferedReader reader = new BufferedReader(

52	new FileReader(f));

53	StringBuilder content = new StringBuilder();

54	String tmp = null;

55	while ((tmp = reader.readLine()) != null) {

56	content.append(tmp);

57	content.append("\n");

58

}

59	String target = content.toString();

60	BufferedWriter bw = new BufferedWriter(new FileWriter(out));

61	bw.write(target);

62	bw.flush();

63	bw.close();

64	reader.close();

65

}

66

}

67

}

68

}

69

70

}