关于访问服务器的客户端改进的问题（急！！！谢谢！！!）

2019-09-19 04:19:47 40 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

利用Matlab绘制非线性系统相图：从理论到实践本文详细介绍了如何利用Matlab进行非线性系统的相图绘制与相平面分析。从理论基础的状态空间转换出发，通过无阻尼线性谐振子和范德波尔振荡器等实例，手把手演示了使用ode45求解器绘制相图、分析平衡点与极限环的完整流程，并分享了方向场绘制、参数分岔探索及常见错误解决方案等高级技巧，为动力学系统分析与控制设计提供了直观强大的可视化工具。阅读详情

#include "tcpclient.h"//#include "ui_tcpclient.h"TcpClient::TcpClient(QWidget *parent) :QDialog(parent),ui(new Ui::TcpClient){ ui->setupUi(this); connect(ui->pushButton,SIGNAL(pressed()),this,SLOT(connectToServer())); connect(ui->pushButton_2,SIGNAL(pressed()),this,SLOT(closeConnection())); connect(&tcpSocket,SIGNAL(connected()),this,SLOT(sendRequest())); connect(&tcpSocket,SIGNAL(disconnected()),this,SLOT(connectionClosedByServer())); connect(&tcpSocket,SIGNAL(readyRead()),this,SLOT(update())); connect(&tcpSocket,SIGNAL(error(QAbstractSocket::SocketError)),this,SLOT(error())); nextBlockSize=0;}TcpClient::~TcpClient(){ delete ui;}void TcpClient::connectToServer(){ tcpSocket.connectToHost("202.117.10.54",1234); ui->pushButton->setEnabled(false); ui->pushButton_2->setEnabled(true); }void TcpClient::sendRequest(){ QString in="123"; QByteArray block; QDataStream out(&block,QIODevice::WriteOnly); out.setVersion(QDataStream::Qt_4_7); out<<quint16(0)<<in; out.device()->seek(0); out<<quint16(block.size()-sizeof(quint16)); tcpSocket.write(block);}void TcpClient::update(){ QDataStream in(&tcpSocket); QString meg; in.setVersion(QDataStream::Qt_4_7); forever { if (nextBlockSize == 0) { if (tcpSocket.bytesAvailable() < sizeof(quint16)) break; in >> nextBlockSize; } if (nextBlockSize == 0xFFFF) { closeConnection(); break; } if (tcpSocket.bytesAvailable() < nextBlockSize) break; in>>meg; ui->textEdit->clear(); ui->textEdit->append(meg); nextBlockSize = 0; }}void TcpClient::closeConnection(){ tcpSocket.close(); ui->pushButton->setEnabled(true); ui->pushButton_2->setEnabled(false);}void TcpClient::error(){ closeConnection();}这是一键实现一个服务器返回值的客户端程序小弟想把它改成一键返回50个服务器返回值但试了很多次都没成功希望高手指点最好把大概代码写点小弟qt编程实在不怎么样谢谢大家啦

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