zhangyiming/project
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

1 数据库语句生成帮助类、

Browse Source 
2 数据管理类
This commit is contained in:
work-zym\zhangyiming 2024-11-19 17:29:58 +08:00
parent 6cd4db6d95
commit 5d1c1b6c98
6 changed files with 294 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
bin/xyylMCWEACSystem.exe
View File

Binary file not shown.

211
xyylMCWEACSystem/SqlGenerate.cpp Normal file
View File

@ -0,0 +1,211 @@
#include "SqlGenerate.h"
#include <QMapIterator>
SqlGenerate::SqlGenerate()
{
}
SqlGenerate::~SqlGenerate()
{
}
QString SqlGenerate::createTable(QString table, QMap<QString, QString> map)
{
QString content = QString("create table %1 (").arg(table);
QMapIterator<QString, QString> i(map);
while (i.hasNext())
{
i.next();
content.append(QString("%1 %2 ").arg(i.key()).arg(i.value()));
if (i.hasNext())
{
content.append(",");
}
}
content.append(")");
content += QString(";");
return content;
}
QString SqlGenerate::insertData(QString table, QVariantMap map)
{
//insert or replace into
QString content = QString("insert or replace into %1 (").arg(table);
QString values = QString("values(");
QMapIterator<QString, QVariant> i(map);
while (i.hasNext())
{
i.next();
content.append(QString("%1").arg(i.key()));
values.append("'" + i.value().toString().replace("'", "''") + "'"); //
if (i.hasNext())
{
content.append(", ");
values.append(",");
}
}
content.append(") ");
values.append(")");
content.append(values);
content += QString(";");
return content;
}
QString SqlGenerate::selectWhere(QString table, QStringList Name, QString condition)
{
//QString content = QString("select from %1 ").arg(table);
QString content = QString("select ");// .arg(table);
QListIterator<QString> i(Name);
while (i.hasNext())
{
i.next();
if (i.hasNext())
{
content += QString(" %1 ,").arg(i.previous());
}
else
{
content += QString(" %1 ").arg(i.previous());
}
i.next();
}
/*for(int i = 0; i < Name.size(); i++)
{
if (i + 1 == Name.size())
{
content += QString("%1 ").arg(Name.at(i));
}
else
{
content += QString("%1,").arg(Name.at(i));
}
}*/
content += QString("from %1").arg(table);
if (!condition.isEmpty())
{
content += condition;// QString(" where %1").arg(condition);
}
content += QString(";");//
return content;
}
QString SqlGenerate::selectUnion(QStringList sTables, QStringList Name, QString condition /*= ""*/)
{
QString s_select_Data;
for (int j = 0; j < sTables.size(); j++)
{
QString content = QString("select ");// .arg(table);
QListIterator<QString> i(Name);
while (i.hasNext())
{
i.next();
if (i.hasNext())
{
content += QString(" %1 ,").arg(i.previous());
}
else
{
content += QString(" %1 ").arg(i.previous());
}
i.next();
}
content += QString("from %1").arg(sTables.at(j));
if (s_select_Data.isEmpty())
{
s_select_Data = content;
}
else
{
s_select_Data = s_select_Data + " union all " + content;
}
}
if (!condition.isEmpty())
{
s_select_Data += condition;// QString(" where %1").arg(condition);
}
s_select_Data += QString(";");//
return s_select_Data;
}
QString SqlGenerate::createIndex(QString table, QString name)
{
QString content = QString("create index %1_index on %2 (%3)").arg(name).arg(table).arg(name);
content += QString(";");//
return content;
}
QString SqlGenerate::updateData(QString table, QVariantMap map, QString condition)
{
QString content = QString("update %1 set ").arg(table);
QMapIterator<QString, QVariant>i(map);
while (i.hasNext())
{
i.next();
if (i.hasNext())
{
content += QString("%1 = '%2',").arg(i.key()).arg(i.value().toString().replace("'", "''"));
}
else
{
content += QString("%1= '%2' ").arg(i.key()).arg(i.value().toString().replace("'", "''"));
}
}
content += QString("where %1").arg(condition);
content += QString(";");
return content;
}
QString SqlGenerate::deleteData(QString table, QString condition)
{
QString content = QString("delete %1 ").arg(table);
content += QString("where %1").arg(condition);
content += QString(";");
return content;
}
bool SqlGenerate::checkCheckParameterSql(const QString& str)
{
QStringList keys;
keys << "and";
keys << "or";
keys << "*";
keys << "=";
keys << " ";
keys << "%0a";
keys << "%0d";
keys << "%";
keys << "/";
keys << "union";
keys << "|";
keys << "&";
keys << "^";
keys << "#";
keys << "/*";
keys << "*/";
keys << "delete";
keys << "insert";
keys << "select";
keys << "update";
keys << "drop";
for (int i = 0; i < keys.size(); i++)
{
if (str.contains(keys[i])) // != string::npos)
{
return false;
}
}
return true;
}

33
xyylMCWEACSystem/SqlGenerate.h Normal file
View File

@ -0,0 +1,33 @@
#ifndef _SqlGenerate_H__
#define _SqlGenerate_H__
#include <QString>
#include <QMap>
#include <QVariantMap>
/*
\author: zym
\brief : Êý¾Ý¿â×é֯УÑéÆ÷
\version 1.0
\note
*/
class SqlGenerate
{
public:
SqlGenerate();
virtual ~SqlGenerate();
QString createTable(QString table, QMap<QString, QString> map);
QString insertData(QString table, QVariantMap map);
QString selectWhere(QString table, QStringList Name, QString condition = "");
QString selectUnion(QStringList table, QStringList Name, QString condition = "");
QString createIndex(QString table, QString name);
QString updateData(QString table, QVariantMap map, QString condition);
QString deleteData(QString table, QString sWhere);
private:
bool checkCheckParameterSql(const QString& str);
protected:
private:
};
#endif // SqlGenerate_h__

24
xyylMCWEACSystem/datamanager.cpp Normal file
View File

@ -0,0 +1,24 @@
#include "datamanager.h"
DataManager::DataManager(QObject * parent )
{
};
DataManager::~DataManager()
{
}
DataManager& DataManager::instance()
{
static DataManager dataManager;
return dataManager;
}
void DataManager::init()
{
}
void DataManager::initTable()
{
}

22
xyylMCWEACSystem/datamanager.h Normal file
View File

@ -0,0 +1,22 @@
#ifndef DATAMANAGER_H
#define DATAMANAGER_H
#include <QObject>
#include "SqlCore.h"
#include "SqlGenerate.h"
class DataManager:public QObject
{
Q_OBJECT
private:
DataManager(QObject * parent =NULL);
~DataManager();
public:
static DataManager& instance();
void init();
void initTable();
private:
SqlCore m_sqlcore;
};
#endif // DATAMANAGER_H

4
xyylMCWEACSystem/xyylMCWEACSystem.pro
View File

@ -27,8 +27,10 @@ CONFIG += c++11
SOURCES += \
SqlCore.cpp \
SqlExecute.cpp \
SqlGenerate.cpp \
btngroupwidget.cpp \
curchatwidget.cpp \
datamanager.cpp \
dataprocesswidget.cpp \
devconwidget.cpp \
eggwidget.cpp \
@ -50,8 +52,10 @@ SOURCES += \
HEADERS += \
SqlCore.h \
SqlExecute.h \
SqlGenerate.h \
btngroupwidget.h \
curchatwidget.h \
datamanager.h \
dataprocesswidget.h \
devconwidget.h \
eggwidget.h \