关于调用静态全局变量产生的错误谢谢各位大大 - QTCN开发网

只看楼主倒序阅读楼主发表于: 2012-04-06

为实现点击小图看大图的功能编写了如下代码其中使用到了静态全局变量  出现了如下问题
D:\QtSDK\QtCreator\bin\DCXT\DCXT\bigpicture.cpp:23: 错误:expected primary-expression before '.' token
代码如下已用红色标出谢谢各位

#ifndef THUMBNAILS_H
#define THUMBNAILS_H
#include"QGraphicsView"
#include"QGraphicsScene"
#include"QGraphicsItem"
#include "iconitem.h"
#include "login.h"
#include "picture.h"
#include "foodmenu.h"
#include "interface.h"
#include <QtGui>
#include "bigpicture.h"

class thumbnails : public QGraphicsView
{
    Q_OBJECT
public:
    thumbnails(QWidget *parent = 0);
    void addItems();             //增加iconitem
    void menuinfo();
    void HelpInfo();
    void tableinfo();
    void booking();
    void opentable();
    void userinfo();
    void print();
    void calendar();
    void fanhui();
    void debug();
    void exit();
    void tupian();
    void caidan();
    void one();
    static int a; 定义全局变量的位置
protected:
    void mouseDoubleClickEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);

private:
    QGraphicsScene *scene;
    QStringList icon_name;
    iconitem *image;
    class login *interfaceshow;
    class picture *pictureview;
    class foodmenu *foodmenuview;
    class bigpicture *bigpictureview;

    //Dialog *dish;
    //Dialog *table;
    //Dialog *user;

};
#endif // INTERFACE_H

#include "bigpicture.h"
#include "ui_bigpicture.h"
#include <QPixmap>
#include <QDebug>
#include <QImage>
#include "picture.h"
#include "thumbnails.h"

bigpicture::bigpicture(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::bigpicture)
{
    ui->setupUi(this);
    showPicture();
}

bigpicture::~bigpicture()
{
    delete ui;
}
void bigpicture::showPicture()
{
    switch(thumbnails.a) 出错的位置
    {
    case 1:ui->label->setPixmap(QPixmap("photos/1.jpg"));
        break;

    }

    ui->label->setPixmap(QPixmap("photos/1.jpg"));
qDebug()<<"1";

}