1. import java.io.File;
   
2. 
   
3. /**
   
4. * 加密解密示例
   
5. * @author ylf
   
6. *
   
7. */
   
8. public class Test {
   
9. public static void main(String[] args) {
   
10. file();
    
11. }
    
12. //测试文件
    
13. public static void file(){
    
14. File f = new File("d:/db");
    
15. f.delete();
    
16. }
    
17. //测试密码
    
18. public static void pwd(){
    
19. String aa = "azAZ09.";
    
20. char tmp;
    
21. char tt;
    
22. String pwd = "";
    
23. for(int i=0;i<aa.length();i++){
    
24. tmp = aa.charAt(i);
    
25. tt = (char)(tmp+10);
    
26. pwd = pwd + tt;
    
27. }
    
28. System.out.println("以前的密码："+aa);
    
29. System.out.println("加密的密码："+pwd);
    
30. aa = "";
    
31. for(int i=0;i<pwd.length();i++){
    
32. tmp = pwd.charAt(i);
    
33. tt = (char)(tmp-10);
    
34. aa = aa+tt;
    
35. }
    
36. System.out.println("解密的密码："+aa);
    
37. }
    
38. }
    

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1. import java.io.File;
   
2. 
   
3. /**
   
4. * 加密解密示例
   
5. * @author ylf
   
6. *
   
7. */
   
8. public class Test {
   
9. public static void main(String[] args) {
   
10. file();
    
11. }
    
12. //测试文件
    
13. public static void file(){
    
14. File f = new File("d:/db");
    
15. f.delete();
    
16. }
    
17. //测试密码
    
18. public static void pwd(){
    
19. String aa = "azAZ09.";
    
20. char tmp;
    
21. char tt;
    
22. String pwd = "";
    
23. for(int i=0;i<aa.length();i++){
    
24. tmp = aa.charAt(i);
    
25. tt = (char)(tmp+10);
    
26. pwd = pwd + tt;
    
27. }
    
28. System.out.println("以前的密码："+aa);
    
29. System.out.println("加密的密码："+pwd);
    
30. aa = "";
    
31. for(int i=0;i<pwd.length();i++){
    
32. tmp = pwd.charAt(i);
    
33. tt = (char)(tmp-10);
    
34. aa = aa+tt;
    
35. }
    
36. System.out.println("解密的密码："+aa);
    
37. }
    
38. }
    

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