46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
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//
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// Created by Krad on 2021/10/11.
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//
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#include "SQLHelper.h"
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#include <QSqlDatabase>
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#include <QSqlQuery>
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QSqlDatabase* SQLHelper::defaultDatabase= nullptr;
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QHash<QString,CenterAlignSqlTableModel*>* SQLHelper::cache= new QHash<QString,CenterAlignSqlTableModel*>;
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bool SQLHelper::Open() {
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if (defaultDatabase) return true;
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defaultDatabase= new QSqlDatabase(QSqlDatabase::addDatabase("QSQLITE", "USCTDB"));
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defaultDatabase->setDatabaseName("USCTDB.data");
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return defaultDatabase->open();
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}
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bool SQLHelper::Open(QSqlDatabase *base) {
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if(base && base != defaultDatabase){
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defaultDatabase = base;
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}
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return defaultDatabase->open();
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}
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void SQLHelper::Close() {
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for(auto item : cache->values())
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{
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delete item;
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}
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cache->clear();
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if(defaultDatabase->isValid() && defaultDatabase->isOpen())
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{
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defaultDatabase->close();
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delete defaultDatabase;
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defaultDatabase = nullptr;
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}
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}
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QSqlTableModel* SQLHelper::getTable(const QString &tableName) {
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if (cache->contains(tableName)) return (*cache)[tableName];
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CenterAlignSqlTableModel *model = new CenterAlignSqlTableModel(nullptr,*defaultDatabase);
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model->setTable(tableName);
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(*cache)[tableName] = model;
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return (*cache)[tableName];
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}
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