Vc access ado where 变量
时间:2022-03-14 02:21
这次变量主要针对 Mfc 的 Cstring 类型的变量(前面)
思路;
1 把cstring 类型 转为 string
2 string 转 char 数组
3 sprintf 写入数组
string 转 char 数组函数
char* zhuanhuan(std::string src) { char *dst = new char[255]; int i; int j=src.length(); for(i=0;i <src.length();i++) dst[i]=src[i]; dst[i] = '\0'; return dst; }
代码参考:
openAccess(); CString cmbParam = L"SelfImprovement"; std::string a1=(CT2A)(cmbParam.GetBuffer()); char buff[256] = {0}; sprintf(buff, "select * from tb_YCType where YCName = '%s' order by YCType desc",zhuanhuan(a1)); m_pRecordset = m_pConnection->Execute(buff, &RecordsAffected, adCmdText);