日志管理系统---初版

作者：盐析白兔 | 2024-02-26 07:24:00

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日志管理系统

写日志以及日志查询系统--本地版

日志存储在文件夹内,不涉及到数据库以及网络操作,新手上路,很多功能不完善,还请指教

一共两个界面,三个类:

两个界面

login.ui----登录界面
log.ui------日志操作界面

三个类

FileOperate--文件操作类
Login--登录操作类
Log--日志操作类

界面代码

login.ui


<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>Login</class>
 <widget class="QDialog" name="Login">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>400</width>
    <height>300</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>Dialog</string>
  </property>
  <layout class="QGridLayout" name="gridLayout">
   <item row="0" column="0">
    <layout class="QHBoxLayout" name="horizontalLayout">
     <item>
      <widget class="QLabel" name="nameLabel">
       <property name="text">
        <string>用户名</string>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QLineEdit" name="nameLineEdit"/>
     </item>
    </layout>
   </item>
   <item row="1" column="0">
    <layout class="QHBoxLayout" name="horizontalLayout_2">
     <item>
      <widget class="QLabel" name="passLabel">
       <property name="text">
        <string> 密码 </string>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QLineEdit" name="passLineEdit"/>
     </item>
    </layout>
   </item>
   <item row="2" column="0">
    <layout class="QHBoxLayout" name="horizontalLayout_3">
     <item>
      <widget class="QPushButton" name="loBtn">
       <property name="text">
        <string>登录</string>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QPushButton" name="creBtn">
       <property name="text">
        <string>点此注册</string>
       </property>
      </widget>
     </item>
    </layout>
   </item>
   <item row="3" column="0">
    <layout class="QHBoxLayout" name="horizontalLayout_4">
     <item>
      <widget class="QPushButton" name="reBtn">
       <property name="text">
        <string>注册</string>
       </property>
      </widget>
     </item>
     <item>
      <widget class="QPushButton" name="canlBtn">
       <property name="text">
        <string>取消</string>
       </property>
      </widget>
     </item>
    </layout>
   </item>
  </layout>
 </widget>
 <resources/>
 <connections/>
</ui>

log.ui


<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>Log</class>
 <widget class="QMainWindow" name="Log">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>649</width>
    <height>472</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>Log</string>
  </property>
  <widget class="QWidget" name="centralWidget">
   <layout class="QGridLayout" name="gridLayout">
    <item row="0" column="0">
     <widget class="QTabWidget" name="tabWidget">
      <property name="currentIndex">
       <number>1</number>
      </property>
      <widget class="QWidget" name="writeLogTab">
       <attribute name="title">
        <string>Tab 1</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_2">
        <item row="0" column="0">
         <widget class="QLineEdit" name="taskMenuLineEdit">
          <property name="inputMethodHints">
           <set>Qt::ImhNone</set>
          </property>
          <property name="text">
           <string>任务</string>
          </property>
          <property name="alignment">
           <set>Qt::AlignCenter</set>
          </property>
          <property name="cursorMoveStyle">
           <enum>Qt::LogicalMoveStyle</enum>
          </property>
         </widget>
        </item>
        <item row="0" column="1">
         <widget class="QLineEdit" name="timeMenuLineEdit">
          <property name="text">
           <string>耗时</string>
          </property>
          <property name="alignment">
           <set>Qt::AlignCenter</set>
          </property>
         </widget>
        </item>
        <item row="0" column="2">
         <widget class="QLineEdit" name="rateMenuLineEdit">
          <property name="text">
           <string>完成率(所占百分比)</string>
          </property>
          <property name="alignment">
           <set>Qt::AlignCenter</set>
          </property>
         </widget>
        </item>
        <item row="0" column="3">
         <spacer name="horizontalSpacer">
          <property name="orientation">
           <enum>Qt::Horizontal</enum>
          </property>
          <property name="sizeHint" stdset="0">
           <size>
            <width>145</width>
            <height>20</height>
           </size>
          </property>
         </spacer>
        </item>
        <item row="1" column="0">
         <widget class="QLineEdit" name="taskLineEdit_1"/>
        </item>
        <item row="1" column="1">
         <widget class="QLineEdit" name="timeLineEdit_1"/>
        </item>
        <item row="1" column="2">
         <widget class="QLineEdit" name="rateLineEdit_1"/>
        </item>
        <item row="1" column="3">
         <widget class="QPushButton" name="saveBtn_1">
          <property name="text">
           <string> 保存</string>
          </property>
         </widget>
        </item>
        <item row="2" column="0">
         <widget class="QLineEdit" name="taskLineEdit_2"/>
        </item>
        <item row="2" column="1">
         <widget class="QLineEdit" name="timeLineEdit_2"/>
        </item>
        <item row="2" column="2">
         <widget class="QLineEdit" name="rateLineEdit_2"/>
        </item>
        <item row="2" column="3">
         <widget class="QPushButton" name="saveBtn_2">
          <property name="text">
           <string> 保存</string>
          </property>
         </widget>
        </item>
        <item row="3" column="0">
         <widget class="QLineEdit" name="taskLineEdit_3"/>
        </item>
        <item row="3" column="1">
         <widget class="QLineEdit" name="timeLineEdit_3"/>
        </item>
        <item row="3" column="2">
         <widget class="QLineEdit" name="rateLineEdit_3"/>
        </item>
        <item row="3" column="3">
         <widget class="QPushButton" name="saveBtn_3">
          <property name="text">
           <string> 保存</string>
          </property>
         </widget>
        </item>
        <item row="4" column="0">
         <widget class="QLineEdit" name="taskLineEdit_4"/>
        </item>
        <item row="4" column="1">
         <widget class="QLineEdit" name="timeLineEdit_4"/>
        </item>
        <item row="4" column="2">
         <widget class="QLineEdit" name="rateLineEdit_4"/>
        </item>
        <item row="4" column="3">
         <widget class="QPushButton" name="saveBtn_4">
          <property name="text">
           <string> 保存</string>
          </property>
         </widget>
        </item>
        <item row="5" column="0">
         <widget class="QLineEdit" name="taskLineEdit_5"/>
        </item>
        <item row="5" column="1">
         <widget class="QLineEdit" name="timeLineEdit_5"/>
        </item>
        <item row="5" column="2">
         <widget class="QLineEdit" name="rateLineEdit_5"/>
        </item>
        <item row="5" column="3">
         <widget class="QPushButton" name="saveBtn_5">
          <property name="text">
           <string> 保存</string>
          </property>
         </widget>
        </item>
        <item row="6" column="0">
         <widget class="QLineEdit" name="taskLineEdit_6"/>
        </item>
        <item row="6" column="1">
         <widget class="QLineEdit" name="timeLineEdit_6"/>
        </item>
        <item row="6" column="2">
         <widget class="QLineEdit" name="rateLineEdit_6"/>
        </item>
        <item row="6" column="3">
         <widget class="QPushButton" name="saveBtn_6">
          <property name="text">
           <string> 保存</string>
          </property>
         </widget>
        </item>
        <item row="7" column="0">
         <widget class="QLineEdit" name="taskLineEdit_7"/>
        </item>
        <item row="7" column="1">
         <widget class="QLineEdit" name="timeLineEdit_7"/>
        </item>
        <item row="7" column="2">
         <widget class="QLineEdit" name="rateLineEdit_7"/>
        </item>
        <item row="7" column="3">
         <widget class="QPushButton" name="saveBtn_7">
          <property name="text">
           <string> 保存</string>
          </property>
         </widget>
        </item>
        <item row="8" column="0">
         <widget class="QLineEdit" name="taskLineEdit_8"/>
        </item>
        <item row="8" column="1">
         <widget class="QLineEdit" name="timeLineEdit_8"/>
        </item>
        <item row="8" column="2">
         <widget class="QLineEdit" name="rateLineEdit_8"/>
        </item>
        <item row="8" column="3">
         <widget class="QPushButton" name="saveBtn_8">
          <property name="text">
           <string> 保存</string>
          </property>
         </widget>
        </item>
       </layout>
      </widget>
      <widget class="QWidget" name="readLogTab">
       <attribute name="title">
        <string>Tab 2</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_3">
        <item row="0" column="0">
         <widget class="QCalendarWidget" name="calendarWidget"/>
        </item>
        <item row="0" column="1" rowspan="2">
         <widget class="QTableView" name="tableView"/>
        </item>
       </layout>
      </widget>
     </widget>
    </item>
   </layout>
  </widget>
  <widget class="QMenuBar" name="menuBar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>649</width>
     <height>22</height>
    </rect>
   </property>
  </widget>
  <widget class="QToolBar" name="mainToolBar">
   <attribute name="toolBarArea">
    <enum>TopToolBarArea</enum>
   </attribute>
   <attribute name="toolBarBreak">
    <bool>false</bool>
   </attribute>
  </widget>
  <widget class="QStatusBar" name="statusBar"/>
 </widget>
 <layoutdefault spacing="6" margin="11"/>
 <resources/>
 <connections/>
</ui>

功能实现代码

FileOperate

fileoperate.h


#ifndef FILEOPERATE_H
#define FILEOPERATE_H
 
#include<QString>
#include<QObject>
#include<QMap>
#include<QDate>
 
class FileOperate
{
public:
    FileOperate();
 
    QString strUserName;//用户名
    const QString strInfomationPath = QObject::tr("./source/Infomation/info.txt");//用户信息存放位置
    const QString strUserBasePath = QObject::tr("./source/User");//用户存放位置
 
    QMap<QString, QString>infoMap;//用户信息<用户名, 密码>
 
    struct LOG
    {
        QString task;
        QString time;
        QString rate;
    }log;//log
 
    QList<LOG> logList;//log列表
 
 
    bool newDirAndFile(bool stand = false);//检查并设置目录及文件
 
    bool getInfo();//获取用户信息
 
    bool writeInfo(const QString, const QString);//写入用户信息
 
    bool getLog(QDate data = QDate::currentDate());//获取日志
 
    bool writeLog(const QString, const QString, const QString);//写入日志
};
 
#endif // FILEOPERATE_H

fileoperate.cpp


#include "fileoperate.h"
 
#include<QDir>
#include<QFile>
#include<QTextStream>
 
 
FileOperate::FileOperate()
{
    this->strUserName = nullptr;
 
    this->log.task = nullptr;
    this->log.time = nullptr;
    this->log.rate = nullptr;
 
    this->newDirAndFile();
}
 
bool FileOperate::newDirAndFile(bool stand)
{
    QDir dir;
 
    //检查并创建目录  ./source/Infomation/
    if (!dir.exists(QObject::tr("./source/Infomation")))
        if (!dir.mkpath(QObject::tr("./source/Infomation")))
            return false;
 
 
    //检查并创建文件  ./source/Infomation/info.txt
    QFile file;
    file.setFileName(this->strInfomationPath);
    if (!file.open(QIODevice::ReadWrite | QIODevice::Text))
        return false;
 
    // info.txt 文件中写入 用户名\t密码\n
    //name\tpass\n
    QTextStream info(&file);
    info << QObject::tr("用户名\t密码\n");
 
    file.close();
 
    //检查并创建目录 ./source/User/
    if (!dir.exists(this->strUserBasePath))
        if (!dir.mkpath(this->strUserBasePath))
            return false;
 
    //stand 为 false 时执行到此结束,为 true 时继续下面的步骤
    if (!stand)
        return true;
 
    //检查并创建目录 ./source/User/userName/
    if (!dir.exists(this->strUserBasePath + QObject::tr("/") + this->strUserName))
        if (!dir.mkpath(this->strUserBasePath + QObject::tr("/") + this->strUserName))
            return false;
 
    //检查并创建文件  ./source/User/userName/date.txt
    file.setFileName(this->strUserBasePath +
                     QObject::tr("/") +
                     this->strUserName +
                     QObject::tr("/") +
                     QDate::currentDate().toString(QObject::tr("yyyyMMdd")) +
                     QObject::tr(".txt"));
    if (!file.open(QIODevice::ReadWrite | QIODevice::Text))
        return false;
 
    // date.txt 文件中写入 序号\t任务\t\t\t\t\t\t\t\t时间\t完成率\n
    //name\tpass\n
    QTextStream date(&file);
    date << QObject::tr("序号\t任务\t\t\t\t\t\t\t\t时间\t完成率\n");
 
    file.close();
 
    return true;
}
 
bool FileOperate::getInfo()
{
    this->infoMap.clear();
 
    //打开用户信息文件 ./source/Infomation/info.txt
    QFile file(this->strInfomationPath);
    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
        return false;
 
    QTextStream out(&file);
 
    QString strLine = out.readLine();
 
    while (!out.atEnd())
    {
        strLine = out.readLine();
        if (QObject::tr("") == strLine)
            continue;
 
        QStringList strList = strLine.split(QObject::tr("\t"));
        if (2 != strList.count())
            continue;
 
        this->infoMap.insert(strList.at(0), strList.at(1));
    }
 
    file.close();
    return true;
}
 
bool FileOperate::writeInfo(const QString userName, const QString userPass)
{
    //打开用户信息文件 ./source/Infomation/info.txt
    QFile file(this->strInfomationPath);
    if (!file.open(QIODevice::Append | QIODevice::Text))
        return false;
 
    QTextStream in(&file);
 
    in << userName << QObject::tr("\t") << userPass << QObject::tr("\n");
 
    this->infoMap.insert(userName, userPass);
 
    file.close();
 
    return true;
}
 
bool FileOperate::getLog(QDate data)
{
    this->logList.clear();
 
    //打开用户日志文件 ./source/User/userName/date.txt
    QFile file(this->strUserBasePath +
               QObject::tr("/") +
               this->strUserName +
               QObject::tr("/") +
               /*QDate::currentDate()*/data.toString(QObject::tr("yyyyMMdd")) +
               QObject::tr(".txt"));
    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
        return false;
 
    QTextStream out(&file);
 
    QString strLine = out.readLine();
 
    while(!out.atEnd())
    {
        strLine = out.readLine();
 
        if (QObject::tr("") == strLine)
            continue;
 
        QStringList strList = strLine.split(QObject::tr("\t"));
        if (4 != strList.count())
            continue;
 
        this->log.task = strList.at(1);
        this->log.time = strList.at(2);
        this->log.rate = strList.at(3);
 
        this->logList.append(this->log);
    }
 
    file.close();
    return true;
}
 
bool FileOperate::writeLog(const QString task, const QString time, const QString rate)
{
    if (!this->getLog())
            return false;
 
    //打开用户日志文件 ./source/User/userName/date.txt
    QFile file(this->strUserBasePath +
               QObject::tr("/") +
               this->strUserName +
               QObject::tr("/") +
               QDate::currentDate().toString(QObject::tr("yyyyMMdd")) +
               QObject::tr(".txt"));
    if (!file.open(QIODevice::Append | QIODevice::Text))
        return false;
 
    this->log.task = task;
    this->log.time = time;
    this->log.rate = rate;
 
    this->logList.append(this->log);
 
    QTextStream in(&file);
 
    QString strNum = QString().setNum(this->logList.count(), 10);
 
    in << strNum << QObject::tr("\t") << task << QObject::tr("\t") << time << QObject::tr("\t") << rate << QObject::tr("\n");
 
    file.close();
 
    return true;
}

Login

login.h


#ifndef LOGIN_H
#define LOGIN_H
 
#include <QDialog>
 
#include"fileoperate.h"
 
namespace Ui {
class Login;
}
 
class Login : public QDialog
{
    Q_OBJECT
 
public:
    explicit Login(QWidget *parent = 0);
    Login(FileOperate* ,QWidget *parent = 0);
    ~Login();
 
private slots:
    void on_canlBtn_clicked(bool checked);
 
    void on_creBtn_clicked();
 
    void on_reBtn_clicked();
 
    void on_loBtn_clicked();
 
private:
    Ui::Login *ui;
 
    FileOperate* fileOperate;
};
 
#endif // LOGIN_H

login.cpp


#include "login.h"
#include "ui_login.h"
 
#include<QMessageBox>
 
Login::Login(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::Login)
{
    ui->setupUi(this);
}
 
Login::Login(FileOperate* fileOperate, QWidget *parent):
       QDialog(parent),
       ui(new Ui::Login)
{
    ui->setupUi(this);
    this->setWindowTitle(tr("登录系统"));
    this->fileOperate = fileOperate;
 
    ui->reBtn->hide();//注册按钮隐藏
    ui->canlBtn->hide();//取消按钮隐藏
 
    //设置占位符
    ui->nameLineEdit->setPlaceholderText(tr("请输入用户名"));
    ui->passLineEdit->setPlaceholderText(tr("请输入密码"));
 
    //设置密码栏格式
    ui->passLineEdit->setEchoMode(QLineEdit::Password);
}
 
Login::~Login()
{
    delete ui;
}
 
//取消按钮
void Login::on_canlBtn_clicked(bool checked)
{
    if (!checked)
    {
        ui->nameLineEdit->clear();//用户名清空
        ui->passLineEdit->clear();//密码清空
    }
 
    ui->loBtn->show();//登录按钮显示
    ui->creBtn->show();//点击注册按钮显示
 
    ui->reBtn->hide();//注册按钮隐藏
    ui->canlBtn->hide();//取消按钮隐藏
}
 
//点击注册按钮
void Login::on_creBtn_clicked()
{
    //密码用户名清空,光标停留在用户名栏
    ui->nameLineEdit->clear();
    ui->passLineEdit->clear();
    ui->nameLineEdit->setFocus();
 
    ui->reBtn->show();//注册按钮显示
    ui->canlBtn->show();//取消按钮显示
 
    ui->loBtn->hide();//登录按钮隐藏
    ui->creBtn->hide();//点击注册按钮隐藏
}
 
//注册按钮
void Login::on_reBtn_clicked()
{
    QString userName = ui->nameLineEdit->text();
    QString userPass = ui->passLineEdit->text();
 
    if (userName.isEmpty())
    {
        QMessageBox::warning(this, tr("警告"), tr("用户名不能为空"));
        ui->nameLineEdit->clear();
        ui->passLineEdit->clear();
        ui->nameLineEdit->setFocus();
        return;
    }
 
    if (userName.contains(" "))
    {
        QMessageBox::warning(this, tr("警告"), tr("用户名不能包含空格"));
        ui->nameLineEdit->clear();
        ui->passLineEdit->clear();
        ui->nameLineEdit->setFocus();
        return;
    }
 
    if (userPass.isEmpty())
    {
        QMessageBox::warning(this, tr("警告"), tr("密码不能为空"));
        ui->passLineEdit->clear();
        ui->passLineEdit->setFocus();
        return;
    }
 
    if (userPass.contains(" "))
    {
        QMessageBox::warning(this, tr("警告"), tr("密码不能包含空格"));
        ui->passLineEdit->clear();
        ui->passLineEdit->setFocus();
        return;
    }
 
    if (this->fileOperate->infoMap.contains(userName))
    {
        QMessageBox::warning(this, tr("警告"), tr("用户名已存在"));
        ui->nameLineEdit->clear();
        ui->passLineEdit->clear();
        ui->nameLineEdit->setFocus();
        return;
    }
 
    //this->fileOperate->infoMap.insert(userName, userPass);写入步骤添加,此处无需添加
 
    //写入失败,也就是注册失败????
    if (!this->fileOperate->writeInfo(userName, userPass))
        return;
 
    //写入成功,注册成功
    QMessageBox::information(this, tr("提示"), tr("注册成功请登录"));
 
    //返回登录界面
    on_canlBtn_clicked(true);
    return;
}
 
void Login::on_loBtn_clicked()
{
    QString userName = ui->nameLineEdit->text();
    QString userPass = ui->passLineEdit->text();
 
    this->fileOperate->getInfo();
 
    if (userName.isEmpty() || userPass.isEmpty())
    {
        QMessageBox::warning(this, tr("警告"), tr("用户名或密码不能为空"));
        ui->nameLineEdit->clear();
        ui->passLineEdit->clear();
        ui->nameLineEdit->setFocus();
        return;
    }
 
    if (
            (!this->fileOperate->infoMap.contains(userName)) ||
            (userPass != this->fileOperate->infoMap.value(userName))
            )
    {
        QMessageBox::warning(this, tr("警告"), tr("用户名或密码错误"));
        ui->nameLineEdit->clear();
        ui->passLineEdit->clear();
        ui->nameLineEdit->setFocus();
        return;
    }
 
    this->fileOperate->strUserName = userName;
 
    if (!this->fileOperate->newDirAndFile(true))
        return;
 
    /*if (!this->fileOperate->getLog())
        return;*/
 
    this->accept();
}

Log

log.h


#ifndef LOG_H
#define LOG_H
 
#include <QMainWindow>
#include<QStandardItemModel>
 
#include"fileoperate.h"
 
namespace Ui {
class Log;
}
 
class Log : public QMainWindow
{
    Q_OBJECT
 
public:
    explicit Log(QWidget *parent = 0);
    Log(FileOperate*, QWidget *parent = 0);
    ~Log();
 
private slots:
    void on_saveBtn_1_clicked();
 
    void on_saveBtn_2_clicked();
 
    void on_saveBtn_3_clicked();
 
    void on_saveBtn_4_clicked();
 
    void on_saveBtn_5_clicked();
 
    void on_saveBtn_6_clicked();
 
    void on_saveBtn_7_clicked();
 
    void on_saveBtn_8_clicked();
 
    void on_calendarWidget_clicked(const QDate &date);
 
private:
    Ui::Log *ui;
 
    FileOperate* fileOperate;
 
    QStandardItemModel* model = new QStandardItemModel;
 
    bool isOkSaveLog(const QString, const QString, const QString);
 
    void setWriteLogTab();
    void setReadLogTab();
};
 
#endif // LOG_H

log.cpp


#include "log.h"
#include "ui_log.h"
 
#include<QMessageBox>
 
 
Log::Log(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::Log)
{
    ui->setupUi(this);
}
 
Log::Log(FileOperate *fileOperate, QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::Log)
{
    ui->setupUi(this);
    this->fileOperate = fileOperate;
 
    //设置窗口标题
    this->setWindowTitle(tr("日志管理"));
 
    this->setWriteLogTab();
    this->setReadLogTab();
 
    ui->tabWidget->setCurrentIndex(0);
}
 
Log::~Log()
{
    delete ui;
}
 
bool Log::isOkSaveLog(const QString taskText, const QString timeText, const QString rateText)
{
    if (
            (taskText.trimmed().isEmpty()) ||
            (timeText.trimmed().isEmpty()) ||
            (rateText.trimmed().isEmpty())
            )
        return false;
 
    QString task = taskText.trimmed();
    QString time = timeText.trimmed();
    QString rate = rateText.trimmed();
 
    if ((time.toInt() > 24) || (time.toInt() < 0))
        return false;
 
    if ((rate.toInt() > 100) || (rate.toInt() < 0))
        return false;
 
    //写入步骤操作,此处无需操作
    /*
    this->fileOperate->log.task = task;
    this->fileOperate->log.time = time;
    this->fileOperate->log.rate = rate;
    this->fileOperate->logList.append(log);
    */
 
    return this->fileOperate->writeLog(task, time, rate);
}
 
void Log::setWriteLogTab()
{
    //设置标题文本
    ui->tabWidget->setTabText(0, tr("写日志"));
 
    //设置无边框且透明
    ui->taskMenuLineEdit->setStyleSheet(tr("background:transparent;border-width:0;border-style:outset"));
    ui->timeMenuLineEdit->setStyleSheet(tr("background:transparent;border-width:0;border-style:outset"));
    ui->rateMenuLineEdit->setStyleSheet(tr("background:transparent;border-width:0;border-style:outset"));
}
 
void Log::setReadLogTab()
{
    //设置标题文本
    ui->tabWidget->setTabText(1, tr("查阅日志"));
 
    //设置tabelview
    //QStandardItemModel* model = new QStandardItemModel;
    model->setColumnCount(3);
    model->setHeaderData(0, Qt::Horizontal, tr("任务"));
    model->setHeaderData(1, Qt::Horizontal, tr("耗时"));
    model->setHeaderData(2, Qt::Horizontal, tr("完成率(所占百分比)"));
 
    ui->tableView->setModel(model);
    //ui->tableView->setFixedWidth(200);
    ui->calendarWidget->setFixedWidth(250);
 
    ui->tableView->hide();
}
 
void Log::on_saveBtn_1_clicked()
{
    if (!this->isOkSaveLog(
                ui->taskLineEdit_1->text(),
                ui->timeLineEdit_1->text(),
                ui->rateLineEdit_1->text())
            )
        return;
 
    QMessageBox::information(this, tr("提示"), tr("保存成功"));
}
 
void Log::on_saveBtn_2_clicked()
{
    if (!this->isOkSaveLog(
                ui->taskLineEdit_2->text(),
                ui->timeLineEdit_2->text(),
                ui->rateLineEdit_2->text())
            )
        return;
 
    QMessageBox::information(this, tr("提示"), tr("保存成功"));
}
 
void Log::on_saveBtn_3_clicked()
{
    if (!this->isOkSaveLog(
                ui->taskLineEdit_3->text(),
                ui->timeLineEdit_3->text(),
                ui->rateLineEdit_3->text())
            )
        return;
 
    QMessageBox::information(this, tr("提示"), tr("保存成功"));
}
 
void Log::on_saveBtn_4_clicked()
{
    if (!this->isOkSaveLog(
                ui->taskLineEdit_4->text(),
                ui->timeLineEdit_4->text(),
                ui->rateLineEdit_4->text())
            )
        return;
 
    QMessageBox::information(this, tr("提示"), tr("保存成功"));
}
 
void Log::on_saveBtn_5_clicked()
{
    if (!this->isOkSaveLog(
                ui->taskLineEdit_5->text(),
                ui->timeLineEdit_5->text(),
                ui->rateLineEdit_5->text())
            )
        return;
 
    QMessageBox::information(this, tr("提示"), tr("保存成功"));
}
 
void Log::on_saveBtn_6_clicked()
{
    if (!this->isOkSaveLog(
                ui->taskLineEdit_6->text(),
                ui->timeLineEdit_6->text(),
                ui->rateLineEdit_6->text())
            )
        return;
 
    QMessageBox::information(this, tr("提示"), tr("保存成功"));
}
 
void Log::on_saveBtn_7_clicked()
{
    if (!this->isOkSaveLog(
                ui->taskLineEdit_7->text(),
                ui->timeLineEdit_7->text(),
                ui->rateLineEdit_7->text())
            )
        return;
 
    QMessageBox::information(this, tr("提示"), tr("保存成功"));
}
 
void Log::on_saveBtn_8_clicked()
{
    if (!this->isOkSaveLog(
                ui->taskLineEdit_8->text(),
                ui->timeLineEdit_8->text(),
                ui->rateLineEdit_8->text())
            )
        return;
 
    QMessageBox::information(this, tr("提示"), tr("保存成功"));
}
 
void Log::on_calendarWidget_clicked(const QDate &date)
{
    ui->tableView->hide();
 
    if (!this->fileOperate->getLog(date))
        return;
 
    if (0 == this->fileOperate->logList.count())
    {
        QMessageBox::warning(this, tr("警告"), tr("此日期无日志"));
        return;
    }
 
    this->model->setRowCount(this->fileOperate->logList.count());
 
    /*
    QStringList strTaskList = QStringList();
    QStringList strTimeList = QStringList();
    QStringList strRateList = QStringList();
    */
    for (int i = 0; i < this->fileOperate->logList.count(); i++)
    {
        model->setItem(i, 0, new QStandardItem(this->fileOperate->logList.at(i).task));
        model->setItem(i, 1, new QStandardItem(this->fileOperate->logList.at(i).time));
        model->setItem(i, 2, new QStandardItem(this->fileOperate->logList.at(i).rate));
        /*
        strTaskList.append(this->fileOperate->logList.at(i).task);
        strTimeList.append(this->fileOperate->logList.at(i).time);
        strRateList.append(this->fileOperate->logList.at(i).rate);
        */
    }
 
    ui->tableView->show();
 
}

main.cpp


#include "log.h"
#include <QApplication>
 
#include"login.h"
#include"fileoperate.h"
 
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    FileOperate fileOperate = FileOperate();
    Login ldg(&fileOperate);
    if (QDialog::Accepted == ldg.exec())
    {
        Log w(&fileOperate);
        w.show();
 
        return a.exec();
    }
 
    return 0;
}

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