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import java.io.*;
public class getCreateFileTime {
public static void main(String[] args) {
try {
Process p = Runtime.getRuntime().exec(
"cmd /C dir D:\\error.txt /tc");
InputStream is = p.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
String result;
String getTime = null;
while ((result = br.readLine()) != null) {
String[] str = result.split(" ");
for (int i = str.length - 1; i >= 0; i--) {
if (str[i].equals("error.txt")) {
getTime = str[0] + " " + str[2];
}
}
}
System.out.println("error.txt 文件的创建日期是:" + getTime);
} catch (java.io.IOException exc) {
exc.printStackTrace();
}
}
}
public static void main(String[] args) throws IOException {
File file =new File("D:\\test.txt");
Long time =file.lastModified();
Calendar cd = Calendar.getInstance();
cd.setTimeInMillis(time);
System.out.println(cd.getTime());
//TODO 下面的就自己写了吧
}
1. import java.io.BufferedReader;
2. import java.io.File;
3. import java.io.IOException;
4. import java.io.InputStream;
5. import java.io.InputStreamReader;
6. import java.text.SimpleDateFormat;
7. import java.util.Calendar;
8.
9. /**
10. * 读取文件创建时间和最后修改时间
11. */
12. public class ReadFileTime {
13.
14. public static void main(String[] args) {
15. getCreateTime();
16. getModifiedTime_1();
17. getModifiedTime_2();
18. }
19.
20. /**
21. * 读取文件创建时间
22. */
23. public static void getCreateTime(){
24. String filePath = "C:\\test.txt";
25. String strTime = null;
26. try {
27. Process p = Runtime.getRuntime().exec("cmd /C dir "
28. + filePath
29. + "/tc" );
30. InputStream is = p.getInputStream();
31. BufferedReader br = new BufferedReader(new InputStreamReader(is));
32. String line;
33. while((line = br.readLine()) != null){
34. if(line.endsWith(".txt")){
35. strTime = line.substring(0,17);
36. break;
37. }
38. }
39. } catch (IOException e) {
40. e.printStackTrace();
41. }
42. System.out.println("创建时间 " + strTime);
43. //输出:创建时间 2009-08-17 10:21
44. }
45. /**
46. * 读取文件修改时间的方法1
47. */
48. @SuppressWarnings("deprecation")
49. public static void getModifiedTime_1(){
50. File f = new File("C:\\test.txt");
51. Calendar cal = Calendar.getInstance();
52. long time = f.lastModified();
53. cal.setTimeInMillis(time);
54. //此处toLocalString()方法是不推荐的,但是仍可输出
55. System.out.println("修改时间[1] " + cal.getTime().toLocaleString());
56. //输出:修改时间[1] 2009-8-17 10:32:38
57. }
58.
59. /**
60. * 读取修改时间的方法2
61. */
62. public static void getModifiedTime_2(){
63. File f = new File("C:\\test.txt");
64. Calendar cal = Calendar.getInstance();
65. long time = f.lastModified();
66. SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
67. cal.setTimeInMillis(time);
68. System.out.println("修改时间[2] " + formatter.format(cal.getTime()));
69. //输出:修改时间[2] 2009-08-17 10:32:38
70. }
71. }
1. import java.io.BufferedReader;
2. import java.io.File;
3. import java.io.IOException;
4. import java.io.InputStream;
5. import java.io.InputStreamReader;
6. import java.text.SimpleDateFormat;
7. import java.util.Calendar;
8.
9. /**
10. * 读取文件创建时间和最后修改时间
11. */
12. public class ReadFileTime {
13.
14. public static void main(String[] args) {
15. getCreateTime();
16. getModifiedTime_1();
17. getModifiedTime_2();
18. }
19.
20. /**
21. * 读取文件创建时间
22. */
23. public static void getCreateTime(){
24. String filePath = "C:\\test.txt";
25. String strTime = null;
26. try {
27. Process p = Runtime.getRuntime().exec("cmd /C dir "
28. + filePath
29. + "/tc" );
30. InputStream is = p.getInputStream();
31. BufferedReader br = new BufferedReader(new InputStreamReader(is));
32. String line;
33. while((line = br.readLine()) != null){
34. if(line.endsWith(".txt")){
35. strTime = line.substring(0,17);
36. break;
37. }
38. }
39. } catch (IOException e) {
40. e.printStackTrace();
41. }
42. System.out.println("创建时间 " + strTime);
43. //输出:创建时间 2009-08-17 10:21
44. }
45. /**
46. * 读取文件修改时间的方法1
47. */
48. @SuppressWarnings("deprecation")
49. public static void getModifiedTime_1(){
50. File f = new File("C:\\test.txt");
51. Calendar cal = Calendar.getInstance();
52. long time = f.lastModified();
53. cal.setTimeInMillis(time);
54. //此处toLocalString()方法是不推荐的,但是仍可输出
55. System.out.println("修改时间[1] " + cal.getTime().toLocaleString());
56. //输出:修改时间[1] 2009-8-17 10:32:38
57. }
58.
59. /**
60. * 读取修改时间的方法2
61. */
62. public static void getModifiedTime_2(){
63. File f = new File("C:\\test.txt");
64. Calendar cal = Calendar.getInstance();
65. long time = f.lastModified();
66. SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
67. cal.setTimeInMillis(time);
68. System.out.println("修改时间[2] " + formatter.format(cal.getTime()));
69. //输出:修改时间[2] 2009-08-17 10:32:38
70. }
71. }