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QStringList keys;
QList<QStringList> values;
keys<<"gui"<<"box"<<"sname"<<"sact"<<"ttime";
cmd = QString("select %2.%1 from %2 join %3 on %2.gui = %3.gui where %3.areaname='%4' and ttime>'%5' and ttime<'%6' order by %2.gui").arg(key,table,table1,areaname,time1,time2);
query.exec(cmd);
joinQueryOpenBoxRecord("t_manopen","t_unit",keys,ui->comboBox_area->currentText(),FromStr,ToStr,values);联合查找图解：
