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99 lines
1.7 KiB
99 lines
1.7 KiB
#ifndef INJURYDATABASE_H
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#define INJURYDATABASE_H
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#include <QtSql>
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#include <QSqlDatabase>
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#include <QWidget>
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#include <QSqlQuery>
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#include <QString>
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#include <QSqlRecord>
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#include <QDebug>
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using namespace std;
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struct Injury
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{
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QString id;
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int rank;
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double lon;
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double lat;
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int flag;
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};
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class InjuryDatabase
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{
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// Q_OBJECT宏用于提供Qt信号槽和元对象系统服务
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// 它必须限定为私有访问权限
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//Q_OBJECT
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public:
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static InjuryDatabase *getInstance();
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InjuryDatabase();
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~InjuryDatabase();
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//打开
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bool open(const QString &dbName,const QString &userName = QString(),const QString &passwd = QString());
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//添加数据记录
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bool add(const Injury &data);
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//查询所有数据
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bool select_all(QList<Injury> &result);
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Injury data;
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//返回有效信息
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void ReturnInfo(QList<Injury> data);
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private:
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//查询有效数据
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bool select_valid(const QString &tableName,QList<Injury> &result);
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//关闭
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void close();
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//开始添加字段
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void beginAddFiled(const QString &tableName);
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//添加字段
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void addFiled(const QString &filedName);
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//结束添加字段
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void endAddFiled();
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//开始添加行
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void beginAddRow();
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//添加字段值
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void addValue(const QVariant &value);
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//结束添加行
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void endAddRow();
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//执行
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bool exec(const QString &sql);
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private:
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//数据库
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QSqlDatabase m_sqlDb;
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//表名
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QString m_tableName;
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//字段名
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QStringList m_fieldName;
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//头sql
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QString m_headerSql;
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//值sql
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QString m_valueSql;
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//已添加row数
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int m_fieldAdd = 0;
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};
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#endif // INJURYDATABASE_H
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