【QT常用技术讲解】多线程编程

#include "tab_basemsg.h" #include "ui_tab_basemsg.h" #include "src/util/basemsgadddialog.h" #include <QTableWidget> #include <QFileDialog> #include <QMessageBox> #include <QDebug> #define WD_BASE_WIDTH 780 #define WD_BASE_HEIGHT 440 tab_basemsg::tab_basemsg(QWidget *parent) : QWidget(parent), ui(new Ui::tab_basemsg) { ui->setupUi(this); //tab_basemsg::resize(800,500); //ui->tableWidget->resize(WD_BASE_WIDTH, WD_BASE_HEIGHT); init(); //读取json数据，显示表格信息 ShowTableContent(); basemsgDialg = new basemsgaddDialog(this); connect(basemsgDialg,&basemsgaddDialog::refreshbasemsg,this,[=](int flag,const stBasemsg& basemsg){ qDebug()<< __LINE__ << "refreshbasemsg"; if(flag==0){ comfun.insertjsondata(basemsg,BASEMSG_JSONPATH); }else{ comfun.updatejsondata(basemsg,BASEMSG_JSONPATH); } ShowTableContent();//重新更新表格数据 }); pingdlg = new pingDialog(this); } tab_basemsg::~tab_basemsg() { delete ui; delete basemsgDialg; delete pingdlg; } void tab_basemsg::init(){ //如果想调顺序，先调枚举TEnBaseMsgHeadtype中的值顺序，再调这里的顺序 m_all_fieldsHeadname[HEAD_BASEMSG_ID]="序号"; m_all_fieldsHeadname[HEAD_BASEMSG_CODE]="编码"; m_all_fieldsHeadname[HEAD_BASEMSG_NAME]="名称"; m_all_fieldsHeadname[HEAD_BASEMSG_BRAND]="品牌"; m_all_fieldsHeadname[HEAD_BASEMSG_TYPE]="类型"; m_all_fieldsHeadname[HEAD_BASEMSG_IP]="IP地址"; m_all_fieldsHeadname[HEAD_BASEMSG_UPDATE]="更新时间"; m_all_fieldsHeadname[HEAD_BASEMSG_OPT]="操作"; QString fieldsset; AppConfig::Get().readIni(QString(BASE_FILE_NAME), QString("MENU_CONF"),QString("field"),fieldsset); qDebug()<< __LINE__ << "fieldsset:"<<fieldsset; m_fieldslist.clear(); m_fieldslist=fieldsset.split("|"); m_cur_fieldsHeadname.clear(); int index=0; for(int num=0;num<m_fieldslist.size();num++){ if(m_fieldslist[num]=="1"){ m_cur_fieldsHeadname[index]=m_all_fieldsHeadname[num]; index++; } } QStringList tablelHeader; for(int i=0;i<m_cur_fieldsHeadname.size();i++) { tablelHeader << m_cur_fieldsHeadname[i]; } qDebug() << __LINE__ << __FUNCTION__<<tablelHeader; //tablelHeader<<"序号"<<"编码"<<"名称"<<"品牌"<<"类型"<<"IP地址"<<"更新时间"<<"操作"; ui->tableWidget->setColumnCount(tablelHeader.size()); // 设置列数 ui->tableWidget->setHorizontalHeaderLabels(tablelHeader); ui->tableWidget->verticalHeader()->setVisible(false); ui->tableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch); ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);// 设置选择行为整行选择 ui->tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);//单元格不可编辑 ui->tableWidget->setStyleSheet("QTableView::item:selected { color:#000000;background-color: #ADD8E6; }");//设置选择后的颜色 ui->tableWidget->setContextMenuPolicy(Qt::CustomContextMenu);//设置右键菜单功能 connect(ui->tableWidget, &QTableWidget::customContextMenuRequested, this, &tab_basemsg::tableWidget_MenuRequested); //connect(ui->tableWidget, &QTableWidget::customContextMenuRequested, this, &tab_basemsg::on_tableWidget_customContextMenuRequested); //设置表格表头 for (int i = 0; i < tablelHeader.size(); ++i) { QTableWidgetItem* headerItem = new QTableWidgetItem(tablelHeader.at(i)); QFont font = headerItem->font(); // font.setBold(true); // 设置字体加粗 headerItem->setFont(font); ui->tableWidget->setHorizontalHeaderItem(i, headerItem); if(tablelHeader[i]=="序号" || tablelHeader[i]=="品牌" || tablelHeader[i]=="类型" || tablelHeader[i]=="更新时间"|| tablelHeader[i]=="操作") { ui->tableWidget->horizontalHeader()->setSectionResizeMode(i,QHeaderView::Fixed); int width = 40;//默认宽度 if(tablelHeader[i]=="更新时间") width=160; else if(tablelHeader[i]=="品牌"||tablelHeader[i]=="类型") width=80; else if(tablelHeader[i]=="操作") width=80; ui->tableWidget->setColumnWidth(i,width); } } QString headerStyleSheet = "QHeaderView::section { background-color: rgb(242,242,242); color: #333;padding-top:3px;padding-bottom:3px; }"; ui->tableWidget->horizontalHeader()->setStyleSheet(headerStyleSheet); ui->tableWidget->setWordWrap(false); } void tab_basemsg::reShowTableContent(){ qDebug() << __LINE__ << __FUNCTION__; init(); //读取json数据，显示表格信息 ShowTableContent(); } void tab_basemsg::ShowTableContent(){ //qDebug() << __LINE__ << __FUNCTION__; ui->tableWidget->setRowCount(0);//清空表格 comfun.readjsondata(m_basemsgmap,BASEMSG_JSONPATH); int id = 1; // 使用迭代器遍历map for (auto it = m_basemsgmap.begin(); it != m_basemsgmap.end(); ++it,id++) { QString code=it.key(); stBasemsg st_basemsg=it.value(); QStringList rowData; int index=0; for(int num=0;num<m_cur_fieldsHeadname.size();num++,index++){ if(m_cur_fieldsHeadname[num]==m_all_fieldsHeadname[HEAD_BASEMSG_ID]){ rowData.insert(index,QString::number(id)); }else if(m_cur_fieldsHeadname[num]==m_all_fieldsHeadname[HEAD_BASEMSG_CODE]){ rowData.insert(index,st_basemsg.code); }else if(m_cur_fieldsHeadname[num]==m_all_fieldsHeadname[HEAD_BASEMSG_NAME]){ rowData.insert(index,st_basemsg.name); }else if(m_cur_fieldsHeadname[num]==m_all_fieldsHeadname[HEAD_BASEMSG_BRAND]){ rowData.insert(index,st_basemsg.brand); }else if(m_cur_fieldsHeadname[num]==m_all_fieldsHeadname[HEAD_BASEMSG_TYPE]){ rowData.insert(index,st_basemsg.type_name); }else if(m_cur_fieldsHeadname[num]==m_all_fieldsHeadname[HEAD_BASEMSG_IP]){ rowData.insert(index,st_basemsg.Ip); }else if(m_cur_fieldsHeadname[num]==m_all_fieldsHeadname[HEAD_BASEMSG_UPDATE]){ qint64 uptime = st_basemsg.updatetime; rowData.insert(index,comfun.qint64todatestring(uptime)); }else if(m_cur_fieldsHeadname[num]==m_all_fieldsHeadname[HEAD_BASEMSG_OPT]){ rowData.insert(index,""); } } //rowData << QString::number(index) << code << st_basemsg.name <<st_basemsg.brand <<st_basemsg.type_name <<st_basemsg.updatetime <<""; renderTable(rowData); } } void tab_basemsg::renderTable(const QStringList& rowData){ int row = ui->tableWidget->rowCount(); ui->tableWidget->insertRow(row); for (int column = 0; column < rowData.size(); ++column) { QTableWidgetItem* item = new QTableWidgetItem(rowData.at(column)); item->setTextAlignment(Qt::AlignCenter); ui->tableWidget->setItem(row, column, item); QTableWidgetItem* headerItem = ui->tableWidget->horizontalHeaderItem(column); QString headerText = headerItem ? headerItem->text() : QString(); if (headerText == "操作") { //编辑按钮 QPushButton* edit = new QPushButton(); edit->setIcon(QIcon(":/index/img/edit.png")); edit->setIconSize(QSize(24, 24)); edit->setStyleSheet("QPushButton { border: none; }"); edit->setCursor(Qt::PointingHandCursor); //删除按钮 QPushButton* deleteButton = new QPushButton(); deleteButton->setIcon(QIcon(":/index/img/delete.png")); deleteButton->setIconSize(QSize(24, 24)); deleteButton->setStyleSh