c++查询mysql时遇到的问题?
我用
string strSql = "SELECT index1 FROM ST37020 WHERE C2 = '00000000000100000003000107SZ00030000' ORDER BY index1";
查询mysql,结果就正常,
如果传入参数
string strObj = "0000000000100000003000107SZ000300000";
string strSql = "SELECT index1 FROM ST37020 WHERE C2 = '" + strObj + "' ORDER BY index1";
查询结果就不正确。
两个sql打印也完全一样,不知是为什么,该怎样改正?