在服务端数据库的处理当中，涉及中文字符的结构体字段，需要转为Utf8后再存储到表项中。
从数据库中取出包含中文字符的字段后，如果需要保存到char *类型的结构体成员中，需要转为Ansi后再保存。
从数据库中取出类型数字的字段后，如果需要保存到int型的结构体成员中，需要调用atoi函数进行处理后再保存。
1 static char *AnsiToUtf8(char *pchAnsi)
2 {
3 int uSize=0;
4 WCHAR *pwText =NULL;
5 char *pchUtf8=NULL;
6 int nUtf8Len = 0;
7
8 if(NULL == pchAnsi)
9 {
10 return NULL;
11 }
12
13 do
14 {
15 uSize = MultiByteToWideChar(CP_ACP,0,pchAnsi,-1,NULL,0);
16 if(uSize <=0)
17 {
18 break;
19 }
20 pwText = (wchar_t*)malloc((uSize+1)*sizeof(wchar_t));
21 if(!pwText)
22 {
23 break;
24 }
25
26 memset((void*)pwText,0,sizeof(wchar_t)*(uSize+1));
27 MultiByteToWideChar(CP_ACP,0,pchAnsi,-1,pwText,uSize);
28
29 //widechar to utf8
30 nUtf8Len = WideCharToMultiByte(CP_UTF8, 0, pwText, -1, NULL, 0, NULL, NULL);
31 if (0 >= nUtf8Len)
32 {
33 break;
34 }
35
36 pchUtf8=(char *)malloc(nUtf8Len+2);
37 if(NULL == pchUtf8)
38 {
39 break;
40 }
41 memset(pchUtf8,0,nUtf8Len+2);
42
43 nUtf8Len = WideCharToMultiByte(CP_UTF8, 0, pwText, -1, pchUtf8, nUtf8Len, NULL, NULL);
44 if (0 >= nUtf8Len)
45 {
46 free(pchUtf8);
47 pchUtf8 = NULL;
48 break;
49 }
50
51
52 } while (0);
53
54 if(NULL!=pwText)
55 {
56 free(pwText);
57 }
58
59 return pchUtf8;
60 }
61
62 static char *Utf8ToAnsi(char *pchUtf8)
63 {
64 int uSize=0;
65 WCHAR *pwText =NULL;
66 char *pchAnsic=NULL;
67 int ansicStrLen = 0;
68
69 if(NULL == pchUtf8)
70 {
71 return NULL;
72 }
73
74 do
75 {
76 uSize = MultiByteToWideChar(CP_UTF8,0,pchUtf8,-1,NULL,0);
77 if(uSize <=0)
78 {
79 break;
80 }
81 pwText = (wchar_t*)malloc((uSize+1)*sizeof(wchar_t));
82 if(!pwText)
83 {
84 break;
85 }
86 memset((void*)pwText,0,sizeof(wchar_t)*(uSize+1));
87 MultiByteToWideChar(CP_UTF8,0,pchUtf8,-1,pwText,uSize);
88
89 //widechar to utf8
90 ansicStrLen = WideCharToMultiByte(CP_ACP, 0, pwText, -1, NULL, 0, NULL, NULL);
91 if (0 >= ansicStrLen)
92 {
93 break;
94 }
95
96 pchAnsic=(char *)malloc(ansicStrLen+2);
97 if(NULL == pchAnsic)
98 {
99 break;
100 }
101 memset(pchAnsic,0,ansicStrLen+2);
102
103 ansicStrLen = WideCharToMultiByte(CP_ACP, 0, pwText, -1, pchAnsic, ansicStrLen, NULL, NULL);
104 if (0 >= ansicStrLen)
105 {
106 free(pchAnsic);
107 pchAnsic = NULL;
108 break;
109 }
110
111 } while (0);
112
113 if(NULL != pwText)
114 {
115 free(pwText);
116 }
117
118 return pchAnsic;
119
120 }