Url解码代码

Url解码代码

Url编码与解码的代码，使用WTL的CString，支持日文字符~~ by 飘飘白云(http://blog.youkuaiyun.com/kesalin)

1. CStringWConvertUTF8ToUTF16(constCStringA&utf8)
2. {
3. intwLen=MultiByteToWideChar(CP_UTF8,0,utf8,utf8.GetLength(),0,0);
5. CStringWbuf;
6. WCHAR*dd=buf.GetBuffer(wLen);
8. wLen=MultiByteToWideChar(CP_UTF8,0,utf8,utf8.GetLength(),dd,wLen);
10. buf.ReleaseBuffer(wLen);
12. returnbuf;
13. }
15. CStringWDecodeUrl(conststd::string&src)
16. {
17. CStringWdstUrlW(L"");
18. intsrclen=(int)src.size();
19. std::stringdst;
20. for(inti=0;i<srclen;i++){
21. if(src[i]=='%'){
22. if(isxdigit(src[i+1])&&isxdigit(src[i+2])){
23. charc1=src[++i];
24. charc2=src[++i];
25. c1=c1-48-((c1>='A')?7:0)-((c1>='a')?32:0);
26. c2=c2-48-((c2>='A')?7:0)-((c2>='a')?32:0);
27. dst+=(unsignedchar)(c1*16+c2);
28. }
29. }
30. elseif(src[i]=='+'){
31. dst+='';
32. }
33. else{
34. dst+=src[i];
35. }
36. }
38. if(dst.size()>0){
39. dstUrlW=ConvertUTF8ToUTF16(CStringA(dst.c_str()));
40. }
42. returndstUrlW;
43. }
45. voidEncodeUrl(char*dst,constchar*src)
46. {
47. while(*src){
48. unsignedcharc=static_cast<unsignedchar>(*src);
49. if(c==''){
50. *dst++='+';
51. }
52. elseif(isalnum(c)||c=='$'||c=='-'||c=='_'||c=='.'||
53. c=='!'||c=='*'||c=='/''||c=='('||c==')'||c==','){
54. *dst++=c;
55. }
56. else{
57. *dst++='%';
58. unsignedcharnibble=(c>>4)&0xF;
59. *dst++=(nibble<10?nibble+'0':nibble-10+'A');
60. nibble=c&0xF;
61. *dst++=(nibble<10?nibble+'0':nibble-10+'A');
62. }
63. src++;
64. }
65. *dst='/0';
66. }