基于QT实现简单的景点管理系统c++源码(课程设计).zip

#include "mainwindow.h" #include "graph.h" #include "ui_mainwindow.h" #include <QPainter> #include <QMessageBox> #define WIN_WIGHT 1500 #define WIN_HEIGHT 800 MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); setFixedSize(WIN_WIGHT,WIN_HEIGHT); pix=QPixmap(WIN_WIGHT,WIN_HEIGHT); pix.fill(Qt::white); } MainWindow::~MainWindow() { delete ui; } void MainWindow::drawline(int x1,int y1,int x2,int y2, QColor const c) { QPainter painter(&pix); painter.setPen(QPen(c)); QLineF line(x1,y1,x2,y2); painter.drawLine(line); update(); } void MainWindow::paintEvent(QPaintEvent* event) { QPainter painter(this); painter.drawPixmap(0,0,WIN_WIGHT,WIN_HEIGHT,pix); } void MainWindow::on_recommendpath_clicked() { Graph graph; graph.Init(); Graph::Vex vexs[SIZE]; Graph::Edge edges[SIZE*SIZE]; memset(vexs,0,sizeof (vexs)); memset(edges,0,sizeof (edges)); graph.createScenicSpot(vexs,edges); for(int i = 0;i < 7;i++) graph.InsertVex(vexs[i]); for(int i = 0;i < 11;i++) graph.InsertEdge(edges[i]); Graph::Edge temp[11]; graph.MST(temp);//最小生成树，推荐游览路径 pix.fill(Qt::white); int B1X,B1Y,B2X,B2Y; QPoint p1,p2; for(int i = 0;i < 11;i++){ switch (temp[i].vex1) { case 0: p1=ui->spot1_3->mapToGlobal(QPoint(0,0)); B1X=p1.x(),B1Y=p1.y(); switch(temp[i].vex2){ case 0: p2=ui->spot1_3->mapToGlobal(QPoint(0,0)); break; case 1: p2=ui->spot2_3->mapToGlobal(QPoint(0,0)); break; case 2: p2=ui->spot3_3->mapToGlobal(QPoint(0,0)); break; case 3: p2=ui->spot4_3->mapToGlobal(QPoint(0,0)); break; case 4: p2=ui->spot5_3->mapToGlobal(QPoint(0,0)); break; case 5: p2=ui->spot6_3->mapToGlobal(QPoint(0,0)); break; case 6: p2=ui->spot7_3->mapToGlobal(QPoint(0,0)); break; } B2X=p2.x(),B2Y=p2.y(); drawline(B1X,B1Y,B2X,B2Y,QColor(255,0,0)); break; case 1: p1=ui->spot2_3->mapToGlobal(QPoint(0,0)); B1X=p1.x(),B1Y=p1.y(); switch(temp[i].vex2){ case 0: p2=ui->spot1_3->mapToGlobal(QPoint(0,0)); break; case 1: p2=ui->spot2_3->mapToGlobal(QPoint(0,0)); break; case 2: p2=ui->spot3_3->mapToGlobal(QPoint(0,0)); //printf("x1:%d y1:%d x2:%d y2:%d \n",B1X,B1Y,B2X,B2Y); break; case 3: p2=ui->spot4_3->mapToGlobal(QPoint(0,0)); break; case 4: p2=ui->spot5_3->mapToGlobal(QPoint(0,0)); break; case 5: p2=ui->spot6_3->mapToGlobal(QPoint(0,0)); break; case 6: p2=ui->spot7_3->mapToGlobal(QPoint(0,0)); break; } B2X=p2.x(),B2Y=p2.y(); drawline(B1X,B1Y,B2X,B2Y,QColor(255,0,0)); break; case 2: p1=ui->spot3_3->mapToGlobal(QPoint(0,0)); B1X=p1.x(),B1Y=p1.y(); switch(temp[i].vex2){ case 0: p2=ui->spot1_3->mapToGlobal(QPoint(0,0)); break; case 1: p2=ui->spot2_3->mapToGlobal(QPoint(0,0)); break; case 2: p2=ui->spot3_3->mapToGlobal(QPoint(0,0)); break; case 3: p2=ui->spot4_3->mapToGlobal(QPoint(0,0)); break; case 4: p2=ui->spot5_3->mapToGlobal(QPoint(0,0)); break; case 5: p2=ui->spot6_3->mapToGlobal(QPoint(0,0)); break; case 6: p2=ui->spot7_3->mapToGlobal(QPoint(0,0)); break; } B2X=p2.x(),B2Y=p2.y(); drawline(B1X,B1Y,B2X,B2Y,QColor(255,0,0)); break; case 3: p1=ui->spot4_3->mapToGlobal(QPoint(0,0)); B1X=p1.x(),B1Y=p1.y(); switch(temp[i].vex2){ case 0: p2=ui->spot1_3->mapToGlobal(QPoint(0,0)); break; case 1: p2=ui->spot2_3->mapToGlobal(QPoint(0,0)); break; case 2: p2=ui->spot3_3->mapToGlobal(QPoint(0,0)); break; case 3: p2=ui->spot4_3->mapToGlobal(QPoint(0,0)); break; case 4: p2=ui->spot5_3->mapToGlobal(QPoint(0,0)); break; case 5: p2=ui->spot6_3->mapToGlobal(QPoint(0,0)); break; case 6: p2=ui->spot7_3->mapToGlobal(QPoint(0,0)); break; } B2X=p2.x(),B2Y=p2.y(); drawline(B1X,B1Y,B2X,B2Y,QColor(255,0,0)); break; case 4: p1=ui->spot5_3->mapToGlobal(QPoint(0,0)); B1X=p1.x(),B1Y=p1.y(); switch(temp[i].vex2){ case 0: p2=ui->spot1_3->mapToGlobal(QPoint(0,0)); break; case 1: p2=ui->spot2_3->mapToGlobal(QPoint(0,0)); break; case 2: p2=ui->spot3_3->mapToGlobal(QPoint(0,0)); break; case 3: p2=ui->spot4_3->mapToGlobal(QPoint(0,0)); break; case 4: p2=ui->spot5_3->mapToGlobal(QPoint(0,0)); break; case 5: p2=ui->spot6_3->mapToGlobal(QPoint(0,0)); break; case 6: p2=ui->spot7_3->mapToGlobal(QPoint(0,0)); break; } B2X=p2.x(),B2Y=p2.y(); drawline(B1X,B1Y,B2X,B2Y,QColor(255,0,0)); break; case 5: p1=ui->spot6_3->mapToGlobal(QPoint(0,0)); B1X=p1.x(),B1Y=p1.y(); switch(temp[i].vex2){ case 0: p2=ui->spot1_3->mapToGlobal(QPoint(0,0)); break; case 1: p2=ui->spot2_3->mapToGlobal(QPoint(0,0)); break; case 2: p2=ui->spot3_3->mapToGlobal(QPoint(0,0)); break; case 3: p2=ui->spot4_3->mapToGlobal(QPoint(0,0)); break; case 4: p2=ui->spot5_3->mapToGlobal(QPoint(0,0)); break; case 5: p2=ui->spot6_3->mapToGlobal(QPoint(0,0)); break; case 6: p2=ui->spot7_3->mapToGlobal(QPoint(0,0)); break; } B2X=p2.x(),B2Y=p2.y(); drawline(B1X,B1Y,B2X,B2Y,QColor(255,0,0)); break; case 6: p1=ui->spot7_3->mapToGlobal(QPoint(0,0)); B1X=p1.x(),B1Y=p1.y(); switch(temp[i].vex2){ case 0: p2=ui->spot1_3->mapToGlobal(QPoint(0,0)); break; case 1: p2=ui->spot2_3->mapToGlobal(QPoint(0,0)); break; case 2: p2=ui->spot3_3->mapToGlobal(QPoint(0,0)); break; case 3: p2=