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光譜儀連接實例

代碼片段和文件信息
#include?“connectdatabase.h“
#include?
#include
#include?se>
#include
#include
#includese>
#include
#include
#include
#include
connectdatabase::connectdatabase()
{
}
void?connectdatabase::create_workpace(QString?database_workpath){
????QDir?dir;
????QFile?file(database_workpath);
????if(!file.exists()){//判斷如果文件夾不存在
????????dir.mkdir(database_workpath);
????????if(!dir.exists()){qDebug()<<“創建文件夾失敗“;}else{qDebug()<<“創建文件成功“;}//??判斷創建文件夾是否成功不成功退出
????}else{
????????qDebug()<<“文件已經存在“;}
}
void?connectdatabase::connect_to_database(QString?database_workpathQString?connect_nameQString?database_name?QString?user_name?QString?password){
????QSqlDatabase?db;
????if(QSqlDatabase::contains(database_workpath)){
????????db=QSqlDatabase::database(database_workpath);
????????qDebug()<<“數據庫連接存在“;
????}else{
????????qDebug()<<“數據庫連接不存在,即將創建“;
????????db=QSqlDatabase::addDatabase(“QSQLITE“connect_name);
????????db.setDatabaseName(database_workpath.append(‘./‘).append(database_name).append(“.db“));
????????db.setUserName(user_name);
????????db.setPassword(password);
????????qDebug()<<“創建完畢“;
????}
????if(db.open()){
????????qDebug()<<“打開數據庫成功“;
????????QString?q=“create?table?testone()“;
????????}else{
????}
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????1568??2018-10-22?19:24??光譜儀連接實現類\connectdataba
?????文件????????656??2018-10-22?14:55??光譜儀連接實現類\connectdataba
?????目錄??????????0??2018-10-25?11:45??光譜儀連接實現類
-----------?---------??----------?-----??----
?????????????????2224????????????????????3
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