我个人感觉学习QT不需要那么深入的了解，因为我就是编写一下界面来实现理想的功能而已，我不是靠这个吃饭，当然以后要是从事这个方向那就好好深入底层好好学了。
学习QT的TCP：第一步：去百度看看TCP的介绍，大概了解一下。
第二步：先看看QT的关于TCP的帮助文档，QTcreator里面有的，也大概看一下。
第三步：直接下载一个源程序撸代码，先看懂程序然后对着对着源程序加上自己的理解，再重新码一遍就行了。
第四步：根据自己的需要修改界面。
非专业的人真心没必要去深入学习！！
TCP客户端界面：
1 #include "mainwindow.h" 2 #include "ui_mainwindow.h" 3 4 MainWindow::MainWindow(QWidget *parent) : 5 QMainWindow(parent), 6 ui(new Ui::MainWindow) 7 { 8 ui->setupUi(this); 9 ui->sendButton->setEnabled(false); 10 ui->disconnectButton->setEnabled(false); 11 ui->IPLineEdit->setText("192.168.3.4"); 12 ui->portLineEdit->setText("4001"); 13 tcpSocket = NULL;//使用前先清空 14 } 15 16 MainWindow::~MainWindow() 17 { 18 delete tcpSocket; 19 delete ui; 20 } 21 22 void MainWindow::sendMassage(){} 23 24 void MainWindow::readMassage() 25 { 26 QByteArray data=tcpSocket->readAll(); 27 ui->clearLineEdit->setText(QString(data)); 28 } 29 30 void MainWindow::displayError(QAbstractSocket::SocketError) 31 { 32 QMessageBox::warning (this, tr("Warnning"), tcpSocket->errorString ()); 33 tcpSocket->close (); 34 ui->connnectButton->setEnabled (true); 35 ui->disconnectButton->setEnabled (false); 36 ui->sendButton->setEnabled (false); 37 } 38 39 void MainWindow::on_sendButton_clicked() 40 { 41 QString sendmessage; 42 sendmessage = ui->sendLineEdit->text(); 43 /* if(sendmessage == NULL) return; 44 QByteArray block;//暂时存储我们需要发送的数据 45 QDataStream out(&block,QIODevice::WriteOnly);//TCP必须和数据流一起使用 46 out.setVersion(QDataStream::Qt_5_7);//设置数据流的版本(服务器和主机版本一定相同) 47 out << sendmessage; 48 tcpSocket->write(block);*/ 49 QByteArray data; 50 data.append(sendmessage); 51 tcpSocket->write(data); 52 } 53 54 void MainWindow::on_clearButton_clicked() 55 { 56 ui->clearLineEdit->clear(); 57 } 58 59 void MainWindow::on_connnectButton_clicked() 60 { 61 flag = false; 62 if(tcpSocket) delete tcpSocket;//如果有指向其他空间直接删除 63 tcpSocket = new QTcpSocket(this);//申请堆空间有TCP发送和接受操作 64 tcpIp = ui->IPLineEdit->text(); 65 tcpPort = ui->portLineEdit->text(); 66 if(tcpIp==NULL||tcpPort==NULL)//判断IP和PORT是否为空 67 { 68 QMessageBox msgBox; 69 msgBox.setText("IP or PORT is Empty"); 70 msgBox.exec(); 71 return; 72 } 73 tcpSocket->connectToHost(tcpIp,tcpPort.toInt());//连接主机 74 connect(tcpSocket,SIGNAL(error(QAbstractSocket::SocketError)),this, 75 SLOT(displayError(QAbstractSocket::SocketError)));//错误连接 76 connect(tcpSocket,SIGNAL(connected()),this, 77 SLOT(connectUpdata()));//更新连接之后按钮的使能 78 connect(tcpSocket,SIGNAL(readyRead()),this, 79 SLOT(readMassage()));//读取信息的连接 80 ui->connnectButton->setEnabled (false); 81 ui->disconnectButton->setEnabled (true); 82 83 } 84 85 void MainWindow::on_disconnectButton_clicked() 86 { 87 tcpSocket->abort(); 88 delete tcpSocket; 89 tcpSocket=NULL; 90 disconnectUpdata(); 91 } 92 93 void MainWindow::connectUpdata() 94 { 95 if(!flag) 96 { 97 QMessageBox msgBox; 98 msgBox.setText("TCP connect successful"); 99 msgBox.exec();100 ui->connnectButton->setEnabled(false);101 ui->sendButton->setEnabled(true);102 ui->disconnectButton->setEnabled(true);103 ui->IPLineEdit->setEnabled(false);104 ui->portLineEdit->setEnabled(false);105 }106 flag=true;107 }108 109 void MainWindow::disconnectUpdata()110 {111 ui->connnectButton->setEnabled(true);112 ui->sendButton->setEnabled(false);113 ui->disconnectButton->setEnabled(false);114 ui->IPLineEdit->setEnabled(true);115 ui->portLineEdit->setEnabled(true);116 } 1 #ifndef MAINWINDOW_H 2 #define MAINWINDOW_H 3 4 #include5 #include 6 #include 7 #include 8 namespace Ui { 9 class MainWindow;10 }11 12 class MainWindow : public QMainWindow13 {14 Q_OBJECT15 16 public:17 explicit MainWindow(QWidget *parent = 0);18 ~MainWindow();19 private slots:20 void sendMassage();21 void readMassage();22 void displayError(QAbstractSocket::SocketError);23 void connectUpdata();24 void disconnectUpdata();25 void on_sendButton_clicked();26 void on_clearButton_clicked();27 void on_connnectButton_clicked();28 void on_disconnectButton_clicked();29 30 private:31 //QTcpServer *tcpServer;//不用再建立服务器类了，直接建立下面的套接字32 QTcpSocket *tcpSocket;//直接建立TCP套接字类33 QString tcpIp;//存储IP地址34 QString tcpPort;//存储端口地址35 bool flag;36 Ui::MainWindow *ui;37 38 };39 40 #endif // MAINWINDOW_H
1 #------------------------------------------------- 2 # 3 # Project created by QtCreator 2017-02-23T10:33:02 4 # 5 #------------------------------------------------- 6 7 QT += core gui 8 QT += network 9 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets10 11 TARGET = TCP_Server12 TEMPLATE = app13 14 # The following define makes your compiler emit warnings if you use15 # any feature of Qt which as been marked as deprecated (the exact warnings16 # depend on your compiler). Please consult the documentation of the17 # deprecated API in order to know how to port your code away from it.18 DEFINES += QT_DEPRECATED_WARNINGS19 20 # You can also make your code fail to compile if you use deprecated APIs.21 # In order to do so, uncomment the following line.22 # You can also select to disable deprecated APIs only up to a certain version of Qt.23 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.024 25 26 SOURCES += main.cpp\27 mainwindow.cpp28 29 HEADERS += mainwindow.h30 31 FORMS += mainwindow.ui
下载路径：
基于TCP的简单应用程序：
Qstring->16进制->TCP->WIFI->串口->CPU->电机
源程序奉上:
1 #include "mainwindow.h" 2 #include "ui_mainwindow.h" 3 4 MainWindow::MainWindow(QWidget *parent) : 5 QMainWindow(parent), 6 ui(new Ui::MainWindow) 7 { 8 ui->setupUi(this); 9 10 ui->speedSlider->setMinimum(0); 11 ui->speedSlider->setMaximum(200); 12 ui->speedSlider->setPageStep(50); 13 ui->speedSlider->setTickPosition(QSlider::TicksAbove); 14 ui->timeSlider->setMinimum(0); 15 ui->timeSlider->setMaximum(200); 16 ui->timeSlider->setPageStep(50); 17 ui->timeSlider->setTickPosition(QSlider::TicksAbove); 18 ui->speedLineEdit->setText(tr("0")); 19 ui->timeLineEdit->setText(tr("0")); 20 ui->timeLineEdit->setEnabled(false); 21 ui->speedLineEdit->setEnabled(false); 22 ui->pushButton->setEnabled(false); 23 ui->pushButton_2->setEnabled(false); 24 25 ui->sendButton->setEnabled(false); 26 ui->disconnectButton->setEnabled(false); 27 ui->IPLineEdit->setText("192.168.3.4"); 28 ui->portLineEdit->setText("4001"); 29 tcpSocket = NULL;//使用前先清空 30 31 my_class->g_data[0] = 170; 32 my_class->g_data[1] = 85; 33 for(int i=2;i<7;++i) my_class->g_data[i] = 0; 34 my_class->g_flag = 1; 35 36 37 } 38 39 MainWindow::~MainWindow() 40 { 41 delete tcpSocket; 42 delete my_class; 43 delete ui; 44 45 } 46 47 void MainWindow::sendMassage(){} 48 49 void MainWindow::readMassage() 50 { 51 QByteArray data=tcpSocket->readAll(); 52 QString p = data.toHex(); 53 ui->clearLineEdit->setText(p); 54 //------把接受到的Qbyte转化成Qstring然后转化成int--------// 55 //qDebug()< g_data[3]>8) temp = my_class->g_data[3]-8; 59 else temp = my_class->g_data[3]; 60 temp = temp*16 + my_class->g_roll; 61 if(p.toInt(0,16) == temp) 62 { 63 ui->pushButton_2->setEnabled(false); 64 ui->pushButton->setEnabled(true); 65 ui->speedSlider->setEnabled(true); 66 ui->timeSlider->setEnabled(true); 67 my_class->g_flag = 1; 68 } 69 } 70 71 void MainWindow::displayError(QAbstractSocket::SocketError) 72 { 73 QMessageBox::warning (this, tr("Warnning"), tcpSocket->errorString ()); 74 tcpSocket->close (); 75 ui->connnectButton->setEnabled (true); 76 ui->disconnectButton->setEnabled (false); 77 ui->sendButton->setEnabled (false); 78 } 79 80 void MainWindow::on_sendButton_clicked() 81 { 82 QString sendmessage; 83 sendmessage = ui->sendLineEdit->text(); 84 /* if(sendmessage == NULL) return; 85 QByteArray block;//暂时存储我们需要发送的数据 86 QDataStream out(&block,QIODevice::WriteOnly);//TCP必须和数据流一起使用 87 out.setVersion(QDataStream::Qt_5_7);//设置数据流的版本(服务器和主机版本一定相同) 88 out << sendmessage; 89 tcpSocket->write(block);*/ 90 91 QByteArray data; 92 data.append(sendmessage); 93 tcpSocket->write(QString2Hex(sendmessage)); 94 } 95 96 //将字符型进制转化为16进制 97 QByteArray MainWindow::QString2Hex(QString str) 98 { 99 QByteArray senddata;100 int hexdata,lowhexdata;101 int hexdatalen = 0;102 int len = str.length();103 senddata.resize(len/2);104 char lstr,hstr;105 for(int i=0; i = len)115 break;116 lstr = str[i].toLatin1();117 hexdata = ConvertHexChar(hstr);118 lowhexdata = ConvertHexChar(lstr);119 if((hexdata == 16) || (lowhexdata == 16))120 break;121 else122 hexdata = hexdata*16+lowhexdata;123 i++;124 senddata[hexdatalen] = (char)hexdata;125 hexdatalen++;126 }127 senddata.resize(hexdatalen);128 return senddata;129 }130 //将1-9 a-f字符转化为对应的整数131 int MainWindow::ConvertHexChar(char ch)132 {133 if((ch >= '0') && (ch <= '9'))134 return ch-'0';135 else if((ch >= 'A') && (ch <= 'F'))136 return ch-'A'+10;137 else if((ch >= 'a') && (ch <= 'f'))138 return ch-'a'+10;139 else return (-1);140 }141 142 void MainWindow::on_clearButton_clicked()143 {144 ui->clearLineEdit->clear();145 }146 147 void MainWindow::on_connnectButton_clicked()148 {149 flag = false;150 if(tcpSocket) delete tcpSocket;//如果有指向其他空间直接删除151 tcpSocket = new QTcpSocket(this);//申请堆空间有TCP发送和接受操作152 tcpIp = ui->IPLineEdit->text();153 tcpPort = ui->portLineEdit->text();154 if(tcpIp==NULL||tcpPort==NULL)//判断IP和PORT是否为空155 {156 QMessageBox msgBox;157 msgBox.setText("IP or PORT is Empty");158 msgBox.exec();159 return;160 }161 tcpSocket->connectToHost(tcpIp,tcpPort.toInt());//连接主机162 connect(tcpSocket,SIGNAL(error(QAbstractSocket::SocketError)),this,163 SLOT(displayError(QAbstractSocket::SocketError)));//错误连接164 connect(tcpSocket,SIGNAL(connected()),this,165 SLOT(connectUpdata()));//更新连接之后按钮的使能166 connect(tcpSocket,SIGNAL(readyRead()),this,167 SLOT(readMassage()));//读取信息的连接168 ui->connnectButton->setEnabled (false);169 ui->disconnectButton->setEnabled (true);170 171 }172 173 void MainWindow::on_disconnectButton_clicked()174 {175 ui->pushButton_2->setEnabled(false);176 ui->pushButton->setEnabled(true);177 ui->speedSlider->setEnabled(true);178 ui->timeSlider->setEnabled(true);179 my_class->g_flag = 1;180 181 tcpSocket->abort();182 delete tcpSocket;183 tcpSocket=NULL;184 disconnectUpdata(); 185 }186 187 void MainWindow::connectUpdata()188 {189 if(!flag)190 {191 QMessageBox msgBox;192 msgBox.setText("TCP connect successful");193 msgBox.exec();194 195 ui->pushButton->setEnabled(true);//发送使能196 197 ui->connnectButton->setEnabled(false);198 ui->sendButton->setEnabled(true);199 ui->disconnectButton->setEnabled(true);200 ui->IPLineEdit->setEnabled(false);201 ui->portLineEdit->setEnabled(false);202 }203 flag=true;204 }205 206 void MainWindow::disconnectUpdata()207 {208 ui->connnectButton->setEnabled(true);209 ui->sendButton->setEnabled(false);210 ui->disconnectButton->setEnabled(false);211 ui->IPLineEdit->setEnabled(true);212 ui->portLineEdit->setEnabled(true);213 ui->pushButton->setEnabled(false);//发送使能214 ui->pushButton_2->setEnabled(false);215 }216 217 void MainWindow::on_speedSlider_valueChanged(int value)218 {219 value = value;220 int speedValue = ui->speedSlider->value();221 if(speedValue>0&&speedValue<=25)222 {223 ui->speedSlider->setValue(0);224 my_class->g_data[4] = 1;225 }226 else if(speedValue>25&&speedValue<=75)227 {228 ui->speedSlider->setValue(50);229 my_class->g_data[4] = 3;230 }231 else if(speedValue>75&&speedValue<=125)232 {233 ui->speedSlider->setValue(100);234 my_class->g_data[4] = 5;235 }236 else if(speedValue>125&&speedValue<=175)237 {238 ui->speedSlider->setValue(150);239 my_class->g_data[4] = 7;240 }241 else if(speedValue>175)242 {243 ui->speedSlider->setValue(200);244 my_class->g_data[4] = 9;245 }246 speedValue = ui->speedSlider->value();247 QString str = QString("%1").arg(speedValue);//int型转化成QString显示248 ui->speedLineEdit->setText(str);249 // my_class->g_speed = speedValue;250 }251 252 void MainWindow::on_timeSlider_valueChanged(int value)253 {254 value = value;255 int timeValue = ui->timeSlider->value();256 if(timeValue>0&&timeValue<=25)257 {258 ui->timeSlider->setValue(0);259 my_class->g_data[5] = 9;260 }261 else if(timeValue>25&&timeValue<=75)262 {263 ui->timeSlider->setValue(50);264 my_class->g_data[5] = 7;265 }266 else if(timeValue>75&&timeValue<=125)267 {268 ui->timeSlider->setValue(100);269 my_class->g_data[5] = 5;270 }271 else if(timeValue>125&&timeValue<=175)272 {273 ui->timeSlider->setValue(150);274 my_class->g_data[5] = 3;275 }276 else if(timeValue>175)277 {278 ui->timeSlider->setValue(200);279 my_class->g_data[5] = 1;280 }281 timeValue = ui->timeSlider->value();282 QString str = QString("%1").arg(timeValue);//int型转化成QString显示283 ui->timeLineEdit->setText(str);284 //my_class->g_time = timeValue;285 }286 287 void MainWindow::on_pushButton_clicked()288 {289 290 ui->pushButton->setEnabled(false);//发送使能291 ui->pushButton_2->setEnabled(true);292 //板子编号取值293 bool flag =true;294 if(my_class->g_data[3]>8)295 {296 my_class->g_data[2] =2;297 my_class->g_data[3]-=8;298 flag = true;299 }300 else301 {302 flag = false;303 my_class->g_data[2] = 1;304 }//电机号和正反转取值305 my_class->g_data[3] =my_class->g_data[3]*16 + my_class->g_roll;306 //校验位取值307 int num;308 num = my_class->g_data[3]+my_class->g_data[4]+my_class->g_data[5];309 my_class->g_data[6] = num % 256;310 //------------十进制转化成QString然后再转化成长十六进制发送------//311 qDebug()<<"number:";312 QString a1;313 for(int j=0;j<7;j++)314 {315 if(my_class->g_data[j]<16)316 a1+='0'+QString::number(my_class->g_data[j], 16).toUpper();317 else a1+=QString::number(my_class->g_data[j], 16).toUpper();318 }319 qDebug()< write(data);323 tcpSocket->write(QString2Hex(a1));324 my_class->g_data[3] = (my_class->g_data[3]-my_class->g_roll)/16;325 if(flag) my_class->g_data[3]+=8;326 327 328 ui->speedSlider->setEnabled(false);329 ui->timeSlider->setEnabled(false);330 my_class->g_flag = 0;331 switch (my_class->g_data[3]) {332 case 1:if(my_class->g_roll==1) ui->display1->setChecked(true);333 else ui->display1->setChecked(false);334 break;335 case 2:if(my_class->g_roll==1) ui->display2->setChecked(true);336 else ui->display2->setChecked(false);337 break;338 case 3:if(my_class->g_roll==1) ui->display3->setChecked(true);339 else ui->display3->setChecked(false);340 break;341 case 4:if(my_class->g_roll==1) ui->display4->setChecked(true);342 else ui->display4->setChecked(false);343 break;344 case 5:if(my_class->g_roll==1) ui->display5->setChecked(true);345 else ui->display5->setChecked(false);346 break;347 case 6:if(my_class->g_roll==1) ui->display6->setChecked(true);348 else ui->display6->setChecked(false);349 break;350 case 7:if(my_class->g_roll==1) ui->display7->setChecked(true);351 else ui->display7->setChecked(false);352 break;353 case 8:if(my_class->g_roll==1) ui->display8->setChecked(true);354 else ui->display8->setChecked(false);355 break;356 case 9:if(my_class->g_roll==1) ui->display9->setChecked(true);357 else ui->display9->setChecked(false);358 break;359 case 10:if(my_class->g_roll==1) ui->display10->setChecked(true);360 else ui->display10->setChecked(false);361 break;362 case 11:if(my_class->g_roll==1) ui->display11->setChecked(true);363 else ui->display11->setChecked(false);364 break;365 case 12:if(my_class->g_roll==1) ui->display12->setChecked(true);366 else ui->display12->setChecked(false);367 break;368 case 13:if(my_class->g_roll==1) ui->display13->setChecked(true);369 else ui->display13->setChecked(false);370 break;371 case 14:if(my_class->g_roll==1) ui->display14->setChecked(true);372 else ui->display14->setChecked(false);373 break;374 case 15:if(my_class->g_roll==1) ui->display15->setChecked(true);375 else ui->display15->setChecked(false);376 break;377 default:378 break;379 }380 }381 382 383 void MainWindow::on_motor1_clicked()384 {385 if(my_class->g_flag==1){386 //my_class->g_motor = 1;387 my_class->g_data[3] =1;388 ui->motor1->setStyleSheet("color: red");389 ui->motor2->setStyleSheet("color: black");//按键字颜色改变390 ui->motor3->setStyleSheet("color: black");391 ui->motor4->setStyleSheet("color: black");392 ui->motor5->setStyleSheet("color: black");393 ui->motor6->setStyleSheet("color: black");394 ui->motor7->setStyleSheet("color: black");395 ui->motor8->setStyleSheet("color: black");396 ui->motor9->setStyleSheet("color: black");397 ui->motor10->setStyleSheet("color: black");398 ui->motor11->setStyleSheet("color: black");399 ui->motor12->setStyleSheet("color: black");400 ui->motor13->setStyleSheet("color: black");401 ui->motor14->setStyleSheet("color: black");402 ui->motor15->setStyleSheet("color: black");403 }404 }405 406 void MainWindow::on_motor2_clicked()407 {408 if(my_class->g_flag==1){409 //my_class->g_motor = 2;410 my_class->g_data[3] =2;411 ui->motor2->setStyleSheet("color: red");412 ui->motor1->setStyleSheet("color: black");413 ui->motor3->setStyleSheet("color: black");414 ui->motor4->setStyleSheet("color: black");415 ui->motor5->setStyleSheet("color: black");416 ui->motor6->setStyleSheet("color: black");417 ui->motor7->setStyleSheet("color: black");418 ui->motor8->setStyleSheet("color: black");419 ui->motor9->setStyleSheet("color: black");420 ui->motor10->setStyleSheet("color: black");421 ui->motor11->setStyleSheet("color: black");422 ui->motor12->setStyleSheet("color: black");423 ui->motor13->setStyleSheet("color: black");424 ui->motor14->setStyleSheet("color: black");425 ui->motor15->setStyleSheet("color: black");426 }427 }428 429 void MainWindow::on_motor3_clicked()430 {431 if(my_class->g_flag==1){432 //my_class->g_motor = 3;433 my_class->g_data[3] =3;434 ui->motor3->setStyleSheet("color: red");435 ui->motor1->setStyleSheet("color: black");436 ui->motor2->setStyleSheet("color: black");437 ui->motor4->setStyleSheet("color: black");438 ui->motor5->setStyleSheet("color: black");439 ui->motor6->setStyleSheet("color: black");440 ui->motor7->setStyleSheet("color: black");441 ui->motor8->setStyleSheet("color: black");442 ui->motor9->setStyleSheet("color: black");443 ui->motor10->setStyleSheet("color: black");444 ui->motor11->setStyleSheet("color: black");445 ui->motor12->setStyleSheet("color: black");446 ui->motor13->setStyleSheet("color: black");447 ui->motor14->setStyleSheet("color: black");448 ui->motor15->setStyleSheet("color: black");}449 }450 451 void MainWindow::on_motor4_clicked()452 {453 if(my_class->g_flag==1){454 //my_class->g_motor = 4;455 my_class->g_data[3] =4;456 ui->motor3->setStyleSheet("color: black");457 ui->motor1->setStyleSheet("color: black");458 ui->motor2->setStyleSheet("color: black");459 ui->motor4->setStyleSheet("color: red");460 ui->motor5->setStyleSheet("color: black");461 ui->motor6->setStyleSheet("color: black");462 ui->motor7->setStyleSheet("color: black");463 ui->motor8->setStyleSheet("color: black");464 ui->motor9->setStyleSheet("color: black");465 ui->motor10->setStyleSheet("color: black");466 ui->motor11->setStyleSheet("color: black");467 ui->motor12->setStyleSheet("color: black");468 ui->motor13->setStyleSheet("color: black");469 ui->motor14->setStyleSheet("color: black");470 ui->motor15->setStyleSheet("color: black");}471 }472 473 void MainWindow::on_motor5_clicked()474 {475 if(my_class->g_flag==1){476 //my_class->g_motor = 5;477 my_class->g_data[3] =5;478 ui->motor3->setStyleSheet("color: black");479 ui->motor1->setStyleSheet("color: black");480 ui->motor2->setStyleSheet("color: black");481 ui->motor4->setStyleSheet("color: black");482 ui->motor5->setStyleSheet("color: red");483 ui->motor6->setStyleSheet("color: black");484 ui->motor7->setStyleSheet("color: black");485 ui->motor8->setStyleSheet("color: black");486 ui->motor9->setStyleSheet("color: black");487 ui->motor10->setStyleSheet("color: black");488 ui->motor11->setStyleSheet("color: black");489 ui->motor12->setStyleSheet("color: black");490 ui->motor13->setStyleSheet("color: black");491 ui->motor14->setStyleSheet("color: black");492 ui->motor15->setStyleSheet("color: black");}493 }494 495 void MainWindow::on_motor6_clicked()496 { if(my_class->g_flag==1){497 //my_class->g_motor = 6;498 my_class->g_data[3] =6;499 ui->motor3->setStyleSheet("color: black");500 ui->motor1->setStyleSheet("color: black");501 ui->motor2->setStyleSheet("color: black");502 ui->motor4->setStyleSheet("color: black");503 ui->motor5->setStyleSheet("color: black");504 ui->motor6->setStyleSheet("color: red");505 ui->motor7->setStyleSheet("color: black");506 ui->motor8->setStyleSheet("color: black");507 ui->motor9->setStyleSheet("color: black");508 ui->motor10->setStyleSheet("color: black");509 ui->motor11->setStyleSheet("color: black");510 ui->motor12->setStyleSheet("color: black");511 ui->motor13->setStyleSheet("color: black");512 ui->motor14->setStyleSheet("color: black");513 ui->motor15->setStyleSheet("color: black");}514 }515 516 void MainWindow::on_motor7_clicked()517 { if(my_class->g_flag==1){518 //my_class->g_motor = 7;519 my_class->g_data[3] =7;520 ui->motor3->setStyleSheet("color: black");521 ui->motor1->setStyleSheet("color: black");522 ui->motor2->setStyleSheet("color: black");523 ui->motor4->setStyleSheet("color: black");524 ui->motor5->setStyleSheet("color: black");525 ui->motor6->setStyleSheet("color: black");526 ui->motor7->setStyleSheet("color: red");527 ui->motor8->setStyleSheet("color: black");528 ui->motor9->setStyleSheet("color: black");529 ui->motor10->setStyleSheet("color: black");530 ui->motor11->setStyleSheet("color: black");531 ui->motor12->setStyleSheet("color: black");532 ui->motor13->setStyleSheet("color: black");533 ui->motor14->setStyleSheet("color: black");534 ui->motor15->setStyleSheet("color: black");}535 }536 537 void MainWindow::on_motor8_clicked()538 { if(my_class->g_flag==1){539 //my_class->g_motor = 8;540 my_class->g_data[3] =8;541 ui->motor3->setStyleSheet("color: black");542 ui->motor1->setStyleSheet("color: black");543 ui->motor2->setStyleSheet("color: black");544 ui->motor4->setStyleSheet("color: black");545 ui->motor5->setStyleSheet("color: black");546 ui->motor6->setStyleSheet("color: black");547 ui->motor7->setStyleSheet("color: black");548 ui->motor8->setStyleSheet("color: red");549 ui->motor9->setStyleSheet("color: black");550 ui->motor10->setStyleSheet("color: black");551 ui->motor11->setStyleSheet("color: black");552 ui->motor12->setStyleSheet("color: black");553 ui->motor13->setStyleSheet("color: black");554 ui->motor14->setStyleSheet("color: black");555 ui->motor15->setStyleSheet("color: black");}556 }557 558 void MainWindow::on_motor9_clicked()559 { if(my_class->g_flag==1){560 //my_class->g_motor = 9;561 my_class->g_data[3] =9;562 ui->motor3->setStyleSheet("color: black");563 ui->motor1->setStyleSheet("color: black");564 ui->motor2->setStyleSheet("color: black");565 ui->motor4->setStyleSheet("color: black");566 ui->motor5->setStyleSheet("color: black");567 ui->motor6->setStyleSheet("color: black");568 ui->motor7->setStyleSheet("color: black");569 ui->motor8->setStyleSheet("color: black");570 ui->motor9->setStyleSheet("color: red");571 ui->motor10->setStyleSheet("color: black");572 ui->motor11->setStyleSheet("color: black");573 ui->motor12->setStyleSheet("color: black");574 ui->motor13->setStyleSheet("color: black");575 ui->motor14->setStyleSheet("color: black");576 ui->motor15->setStyleSheet("color: black");}577 }578 579 void MainWindow::on_motor10_clicked()580 { if(my_class->g_flag==1){581 //my_class->g_motor = 10;582 my_class->g_data[3] =10;583 ui->motor3->setStyleSheet("color: black");584 ui->motor1->setStyleSheet("color: black");585 ui->motor2->setStyleSheet("color: black");586 ui->motor4->setStyleSheet("color: black");587 ui->motor5->setStyleSheet("color: black");588 ui->motor6->setStyleSheet("color: black");589 ui->motor7->setStyleSheet("color: black");590 ui->motor8->setStyleSheet("color: black");591 ui->motor9->setStyleSheet("color: black");592 ui->motor10->setStyleSheet("color: red");593 ui->motor11->setStyleSheet("color: black");594 ui->motor12->setStyleSheet("color: black");595 ui->motor13->setStyleSheet("color: black");596 ui->motor14->setStyleSheet("color: black");597 ui->motor15->setStyleSheet("color: black");}598 }599 600 void MainWindow::on_motor11_clicked()601 { if(my_class->g_flag==1){602 //my_class->g_motor = 11;603 my_class->g_data[3] =11;604 ui->motor3->setStyleSheet("color: black");605 ui->motor1->setStyleSheet("color: black");606 ui->motor2->setStyleSheet("color: black");607 ui->motor4->setStyleSheet("color: black");608 ui->motor5->setStyleSheet("color: black");609 ui->motor6->setStyleSheet("color: black");610 ui->motor7->setStyleSheet("color: black");611 ui->motor8->setStyleSheet("color: black");612 ui->motor9->setStyleSheet("color: black");613 ui->motor10->setStyleSheet("color: black");614 ui->motor11->setStyleSheet("color: red");615 ui->motor12->setStyleSheet("color: black");616 ui->motor13->setStyleSheet("color: black");617 ui->motor14->setStyleSheet("color: black");618 ui->motor15->setStyleSheet("color: black");}619 }620 621 void MainWindow::on_motor12_clicked()622 { if(my_class->g_flag==1){623 //my_class->g_motor = 12;624 my_class->g_data[3] =12;625 ui->motor3->setStyleSheet("color: black");626 ui->motor1->setStyleSheet("color: black");627 ui->motor2->setStyleSheet("color: black");628 ui->motor4->setStyleSheet("color: black");629 ui->motor5->setStyleSheet("color: black");630 ui->motor6->setStyleSheet("color: black");631 ui->motor7->setStyleSheet("color: black");632 ui->motor8->setStyleSheet("color: black");633 ui->motor9->setStyleSheet("color: black");634 ui->motor10->setStyleSheet("color: black");635 ui->motor11->setStyleSheet("color: black");636 ui->motor12->setStyleSheet("color: red");637 ui->motor13->setStyleSheet("color: black");638 ui->motor14->setStyleSheet("color: black");639 ui->motor15->setStyleSheet("color: black");}640 }641 642 void MainWindow::on_motor13_clicked()643 { if(my_class->g_flag==1){644 //my_class->g_motor = 13;645 my_class->g_data[3] =13;646 ui->motor3->setStyleSheet("color: black");647 ui->motor1->setStyleSheet("color: black");648 ui->motor2->setStyleSheet("color: black");649 ui->motor4->setStyleSheet("color: black");650 ui->motor5->setStyleSheet("color: black");651 ui->motor6->setStyleSheet("color: black");652 ui->motor7->setStyleSheet("color: black");653 ui->motor8->setStyleSheet("color: black");654 ui->motor9->setStyleSheet("color: black");655 ui->motor10->setStyleSheet("color: black");656 ui->motor11->setStyleSheet("color: black");657 ui->motor12->setStyleSheet("color: black");658 ui->motor13->setStyleSheet("color: red");659 ui->motor14->setStyleSheet("color: black");660 ui->motor15->setStyleSheet("color: black");}661 }662 663 void MainWindow::on_motor14_clicked()664 { if(my_class->g_flag==1){665 //my_class->g_motor = 14;666 my_class->g_data[3] =14;667 ui->motor3->setStyleSheet("color: black");668 ui->motor1->setStyleSheet("color: black");669 ui->motor2->setStyleSheet("color: black");670 ui->motor4->setStyleSheet("color: black");671 ui->motor5->setStyleSheet("color: black");672 ui->motor6->setStyleSheet("color: black");673 ui->motor7->setStyleSheet("color: black");674 ui->motor8->setStyleSheet("color: black");675 ui->motor9->setStyleSheet("color: black");676 ui->motor10->setStyleSheet("color: black");677 ui->motor11->setStyleSheet("color: black");678 ui->motor12->setStyleSheet("color: black");679 ui->motor13->setStyleSheet("color: black");680 ui->motor14->setStyleSheet("color: red");681 ui->motor15->setStyleSheet("color: black");}682 }683 684 void MainWindow::on_motor15_clicked()685 { if(my_class->g_flag==1){686 //my_class->g_motor = 15;687 my_class->g_data[3] =15;688 ui->motor3->setStyleSheet("color: black");689 ui->motor1->setStyleSheet("color: black");690 ui->motor2->setStyleSheet("color: black");691 ui->motor4->setStyleSheet("color: black");692 ui->motor5->setStyleSheet("color: black");693 ui->motor6->setStyleSheet("color: black");694 ui->motor7->setStyleSheet("color: black");695 ui->motor8->setStyleSheet("color: black");696 ui->motor9->setStyleSheet("color: black");697 ui->motor10->setStyleSheet("color: black");698 ui->motor11->setStyleSheet("color: black");699 ui->motor12->setStyleSheet("color: black");700 ui->motor13->setStyleSheet("color: black");701 ui->motor14->setStyleSheet("color: black");702 ui->motor15->setStyleSheet("color: red");}703 }704 705 void MainWindow::on_pushButton_3_clicked()706 {707 my_class->g_roll = 1;//正转708 if(my_class->g_flag==1){709 ui->pushButton_3->setStyleSheet("color: red");710 ui->pushButton_4->setStyleSheet("color: black");}711 }712 713 void MainWindow::on_pushButton_4_clicked()714 {715 my_class->g_roll = 2;//反转716 if(my_class->g_flag==1){717 ui->pushButton_3->setStyleSheet("color: black");718 ui->pushButton_4->setStyleSheet("color: red");}719 }720 721 void MainWindow::on_pushButton_2_clicked()722 {723 //板子编号取值724 bool flag = true;725 if(my_class->g_data[3]>8)726 {727 flag =true;728 my_class->g_data[2] =2;729 my_class->g_data[3]-=8;730 }731 else732 {733 flag = false;734 my_class->g_data[2] = 1;735 }//电机号和正反转取值736 my_class->g_data[3] =my_class->g_data[3]*16 + my_class->g_roll;737 //校验位取值738 int num1;739 num1 = my_class->g_data[3]+my_class->g_data[4]+my_class->g_data[5];740 my_class->g_data[6] = num1 % 256;741 my_class->g_data[3] = (my_class->g_data[3]-my_class->g_roll)/16;742 if(flag) my_class->g_data[3]+=8;743 int temp3 = my_class->g_data[3];744 int temp6 = my_class->g_data[6];745 746 my_class->g_data[3] =255;747 //校验位取值748 int num;749 num = my_class->g_data[3]+my_class->g_data[4]+my_class->g_data[5];750 my_class->g_data[6] = num % 256;751 //------------十进制转化成QString然后再转化成长十六进制发送------//752 qDebug()<<"number:";753 QString a1;754 for(int j=0;j<7;j++)755 {756 if(my_class->g_data[j]<16)757 a1+='0'+QString::number(my_class->g_data[j], 16).toUpper();758 else a1+=QString::number(my_class->g_data[j], 16).toUpper();759 }760 qDebug()< write(data);764 tcpSocket->write(QString2Hex(a1));765 766 767 ui->pushButton_2->setEnabled(false);768 ui->pushButton->setEnabled(true);769 ui->speedSlider->setEnabled(true);770 ui->timeSlider->setEnabled(true);771 772 my_class->g_data[3] = temp3;773 my_class->g_data[6] = temp6;774 my_class->g_flag = 1;775 } 1 #ifndef MAINWINDOW_H 2 #define MAINWINDOW_H 3 4 #include5 #include 6 #include 7 #include 8 #include 9 #include "wjy_class.h"10 #include 11 12 namespace Ui {13 class MainWindow;14 }15 16 class MainWindow : public QMainWindow17 {18 Q_OBJECT19 friend class wjy_class;20 public:21 wjy_class *my_class = new wjy_class;22 explicit MainWindow(QWidget *parent = 0);23 ~MainWindow();24 private slots:25 void sendMassage();26 void readMassage();27 void displayError(QAbstractSocket::SocketError);28 void connectUpdata();29 void disconnectUpdata();30 void on_sendButton_clicked();31 void on_clearButton_clicked();32 void on_connnectButton_clicked();33 void on_disconnectButton_clicked(); 34 void on_speedSlider_valueChanged(int value);35 void on_timeSlider_valueChanged(int value);36 QByteArray QString2Hex(QString str);37 int ConvertHexChar(char ch);38 39 void on_motor1_clicked();40 void on_motor2_clicked();41 void on_motor3_clicked();42 void on_pushButton_clicked();43 44 void on_motor4_clicked();45 46 void on_motor5_clicked();47 48 void on_motor6_clicked();49 50 void on_motor7_clicked();51 52 void on_motor8_clicked();53 54 void on_motor9_clicked();55 56 void on_motor10_clicked();57 58 void on_motor11_clicked();59 60 void on_motor12_clicked();61 62 void on_motor13_clicked();63 64 void on_motor14_clicked();65 66 void on_motor15_clicked();67 68 void on_pushButton_3_clicked();69 70 void on_pushButton_4_clicked();71 72 void on_pushButton_2_clicked();73 74 private:75 //QTcpServer *tcpServer;//不用再建立服务器类了，直接建立下面的套接字76 QTcpSocket *tcpSocket;//直接建立TCP套接字类77 QString tcpIp;//存储IP地址78 QString tcpPort;//存储端口地址79 bool flag;80 Ui::MainWindow *ui;81 82 };83 84 85 #endif // MAINWINDOW_H
1 #include "wjy_class.h"2 3 wjy_class::wjy_class():g_data{ 0,0,0,0,0,0,0,0,0,0},g_roll(1),g_flag(1)4 {5 } 1 #ifndef WJY_CLASS_H 2 #define WJY_CLASS_H 3 //#include4 5 using namespace std; 6 class wjy_class 7 { 8 public: 9 wjy_class();10 //vector g_motor;//预留多路电机同时控制11 /*int g_motor;12 int g_speed;13 int g_time;*/14 int g_roll;15 long int g_data[10];16 bool g_flag;17 };18 19 #endif // WJY_CLASS_H
1 #include "mainwindow.h" 2 #include3 #include "logindialog.h" 4 #include "wjy_class.cpp" 5 6 int main(int argc, char *argv[]) 7 { 8 QApplication a(argc, argv); 9 MainWindow w;10 LoginDialog login;11 if(login.exec() ==QDialog::Accepted)12 {13 w.show();14 return a.exec();15 }16 else return 0;17 18 }
源程序都在上面了，直接看懂复制就行了，如果有不对的地方，麻烦大家指正！