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QSqlQuery query;
QString tmpStr;
QString exeTmpStr;
exeTmpStr = "select FunctionId,OrderId,FunctionName,FunctionState,DeviceInterface from FunctionTable"
" where FunctionId = ";
tmpStr.setNum(id);
exeTmpStr += tmpStr;
query.exec(exeTmpStr);
......
int id = 1;
QString name = "qqqqqq";
QByteArray content;
QString sql = QString("insert into table(%1,%2,%3) values ()").arg(id ).arg(name).arg(content);
......