QPair 和 QList的嵌套使用(用两个评价来对另一个进行评价)

主要讲的是 QPair 和 QList的嵌套使用.

mywidget.h

#ifndef MYWIDGET_H
#define MYWIDGET_H

#include 
#include 
#include 
#include 

namespace Ui {
class MyWidget;
}

typedef QPair Data;    //((坐标X,坐标Y),值)
typedef QList DataList;
typedef QList

mywidget.cpp

#include "mywidget.h"
#include "ui_mywidget.h"

#include 

MyWidget::MyWidget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::MyWidget)
{
    ui->setupUi(this);
    setWindowFlags(Qt::Dialog|Qt::WindowCloseButtonHint);       //去掉窗口问号
    this->setWindowTitle(QString::fromLocal8Bit("评价大雄"));

    QStringList header;
    header<tableWidget,m_data,header);
}

MyWidget::~MyWidget()
{
    delete ui;
}

void MyWidget::createData(DataTable &data)
{
    data.clear();
    DataList row1;
    row1<clear();
    table->setColumnCount(colCount);
    table->setRowCount(rowCount);
    table->horizontalHeader()->setDefaultSectionSize(100);
    table->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);  //列宽自适应
    table->verticalHeader()->setSectionResizeMode(QHeaderView::Stretch);  //列宽自适应
    table->setShowGrid(true);
    table->setSelectionMode(QAbstractItemView::SingleSelection);  //单选
    table->setSelectionBehavior(QAbstractItemView::SelectRows);  //设置选择行为时每次选择一行
    table->setEditTriggers(QAbstractItemView::NoEditTriggers); //设置不可编辑
    table->setContextMenuPolicy(Qt::CustomContextMenu);
    table->setIconSize(QSize(100,25));
    table->horizontalHeader()->setStretchLastSection(true); //自动调整最后一列使与table右边界对齐
    table->horizontalHeader()->setVisible(false);   //水平表头不可见
    table->verticalHeader()->setVisible(false); //垂直表头不可见

    QMap mapLvToName;
    mapLvToName.clear();
    mapLvToName[1] = QString::fromLocal8Bit("高");
    mapLvToName[2] = QString::fromLocal8Bit("较高");
    mapLvToName[3] = QString::fromLocal8Bit("一般");
    mapLvToName[4] = QString::fromLocal8Bit("较低");
    mapLvToName[5] = QString::fromLocal8Bit("低");
    QMap mapGradeToSM;
    for(int i = 1;i<=5;++i)
        mapLvToName[i] = mapGradeToSM.contains(i)? mapGradeToSM[i] : mapLvToName[i];

    table->setItem(2,0,new QTableWidgetItem(mapLvToName[1]));
    table->setItem(3,0,new QTableWidgetItem(mapLvToName[2]));
    table->setItem(4,0,new QTableWidgetItem(mapLvToName[3]));
    table->setItem(5,0,new QTableWidgetItem(mapLvToName[4]));
    table->setItem(6,0,new QTableWidgetItem(mapLvToName[5]));
    for(int i=2;i<=6;++i)
    {
        table->item(i,0)->setTextAlignment(Qt::AlignHCenter|Qt::AlignVCenter);
    }

    mapLvToName.clear();
    mapLvToName[1] = QString::fromLocal8Bit("好");
    mapLvToName[2] = QString::fromLocal8Bit("较好");
    mapLvToName[3] = QString::fromLocal8Bit("一般");
    mapLvToName[4] = QString::fromLocal8Bit("较差");
    mapLvToName[5] = QString::fromLocal8Bit("差");
    mapGradeToSM.clear();

    for(int i = 1;i<=5;++i)
        mapLvToName[i] = mapGradeToSM.contains(i)? mapGradeToSM[i] : mapLvToName[i];

    table->setItem(1,1,new QTableWidgetItem(mapLvToName[1]));
    table->setItem(1,2,new QTableWidgetItem(mapLvToName[2]));
    table->setItem(1,3,new QTableWidgetItem(mapLvToName[3]));
    table->setItem(1,4,new QTableWidgetItem(mapLvToName[4]));
    table->setItem(1,5,new QTableWidgetItem(mapLvToName[5]));
    for(int i=1;i<=5;++i)
    {
        table->item(1,i)->setTextAlignment(Qt::AlignHCenter|Qt::AlignVCenter);
    }

    for(int i = 0 ; i setItem(i+2,k+1,new QTableWidgetItem(stext));    //设置到表格上
            table->item(i+2,k+1)->setTextAlignment(Qt::AlignHCenter|Qt::AlignVCenter);  //设置相应单元格字体位置居中
        }
    }

    QString cheader = Header.first();
    QString rheader= Header.last();
    table->setSpan(0, 0, 2, 1);
    QTableWidgetItem *item = new QTableWidgetItem;
    item->setText(rheader);
    QFont f;            //设置两个标题的字体
    f = item->font();
    f.setBold(true);
    f.setPixelSize(16);
    item->setFont(f);
    table->setItem(0,0,item);
    table->item(0,0)->setTextAlignment(Qt::AlignHCenter|Qt::AlignVCenter);

    table->setSpan(0, 1, 1, 5);
    QTableWidgetItem *item1 = new QTableWidgetItem;
    item1->setText(cheader);
    f = item1->font();
    f.setBold(true);
    f.setPixelSize(16);
    item1->setFont(f);
    table->setItem(0,1,item1);
    table->item(0,1)->setTextAlignment(Qt::AlignHCenter|Qt::AlignVCenter);
}

bool MyWidget::strat(DataTable data, QString Field1, QString Field2, QString Field3, QStringList mx, QStringList my)
{
    QString sql;
    QSqlQuery query(m_db_work);    //此处与sql链接的代码我省略了...
    for(int i = 0 ; i close();
}

 

效果图 : 

 

如果邪恶是华丽残酷的乐章，它的终场我会亲手写上。《夜的第七章》