github-code/QWidgetDemo
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

彻底改版2.0

Browse Source
This commit is contained in:
feiyangqingyun
2021-11-17 16:41:30 +08:00
parent a7f4347959
commit ebfd531a91
2622 changed files with 8915 additions and 7263 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
tool/base64helper/base64helper.cpp Normal file
View File

@@ -0,0 +1,41 @@
#include "base64helper.h"
#include "qbuffer.h"
#include "qdebug.h"
QString Base64Helper::imageToBase64(const QImage &image)
{
return QString(imageToBase64x(image));
}
QByteArray Base64Helper::imageToBase64x(const QImage &image)
{
//这个转换可能比较耗时建议在线程中执行
QByteArray data;
QBuffer buffer(&data);
image.save(&buffer, "JPG");
data = data.toBase64();
return data;
}
QImage Base64Helper::base64ToImage(const QString &data)
{
return base64ToImagex(data.toUtf8());
}
QImage Base64Helper::base64ToImagex(const QByteArray &data)
{
//这个转换可能比较耗时建议在线程中执行
QImage image;
image.loadFromData(QByteArray::fromBase64(data));
return image;
}
QString Base64Helper::textToBase64(const QString &text)
{
return QString(text.toLocal8Bit().toBase64());
}
QString Base64Helper::base64ToText(const QString &text)
{
return QString(QByteArray::fromBase64(text.toLocal8Bit()));
}

37
tool/base64helper/base64helper.h Normal file
View File

@@ -0,0 +1,37 @@
#ifndef BASE64HELPER_H
#define BASE64HELPER_H
/**
* base64编码转换类 作者:feiyangqingyun(QQ:517216493) 2016-12-16
* 1. 图片转base64字符串。
* 2. base64字符串转图片。
* 3. 字符转base64字符串。
* 4. base64字符串转字符。
* 5. 后期增加数据压缩。
* 6. Qt6对base64编码转换进行了重写效率提升至少200%。
*/
#include <QImage>
#ifdef quc
class Q_DECL_EXPORT Base64Helper
#else
class Base64Helper
#endif
{
public:
//图片转base64字符串
static QString imageToBase64(const QImage &image);
static QByteArray imageToBase64x(const QImage &image);
//base64字符串转图片
static QImage base64ToImage(const QString &data);
static QImage base64ToImagex(const QByteArray &data);
//字符串与base64互转
static QString textToBase64(const QString &text);
static QString base64ToText(const QString &text);
};
#endif // BASE64HELPER_H

19
tool/base64helper/base64helper.pro Normal file
View File

@@ -0,0 +1,19 @@
QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
greaterThan(QT_MAJOR_VERSION, 5): QT += core5compat
TARGET = base64helper
TEMPLATE = app
DESTDIR = $$PWD/../bin
CONFIG += warn_off
SOURCES += main.cpp
SOURCES += frmbase64helper.cpp
SOURCES += base64helper.cpp
HEADERS += frmbase64helper.h
HEADERS += base64helper.h
FORMS += frmbase64helper.ui

97
tool/base64helper/frmbase64helper.cpp Normal file
View File

@@ -0,0 +1,97 @@
#pragma execution_character_set("utf-8")
#include "frmbase64helper.h"
#include "ui_frmbase64helper.h"
#include "base64helper.h"
#include "qfiledialog.h"
#include "qelapsedtimer.h"
#include "qdebug.h"
frmBase64Helper::frmBase64Helper(QWidget *parent) : QWidget(parent), ui(new Ui::frmBase64Helper)
{
ui->setupUi(this);
}
frmBase64Helper::~frmBase64Helper()
{
delete ui;
}
void frmBase64Helper::on_btnOpen_clicked()
{
QString fileName = QFileDialog::getOpenFileName(this, "选择文件", "", "图片(*.png *.bmp *.jpg)");
if (!fileName.isEmpty()) {
ui->txtFile->setText(fileName);
QPixmap pix(fileName);
pix = pix.scaled(ui->labImage->size() - QSize(4, 4), Qt::KeepAspectRatio);
ui->labImage->setPixmap(pix);
}
}
void frmBase64Helper::on_btnClear_clicked()
{
ui->txtFile->clear();
ui->txtText->clear();
ui->txtBase64->clear();
ui->labImage->clear();
}
void frmBase64Helper::on_btnImageToBase64_clicked()
{
//计时
QElapsedTimer time;
time.start();
QString fileName = ui->txtFile->text().trimmed();
if (!fileName.isEmpty()) {
ui->txtBase64->setText(Base64Helper::imageToBase64(QImage(fileName)));
}
//统计用时
#if (QT_VERSION >= QT_VERSION_CHECK(4,8,0))
double elapsed = (double)time.nsecsElapsed() / 1000000;
#else
double elapsed = (double)time.elapsed();
#endif
QString strTime = QString::number(elapsed, 'f', 3);
qDebug() << QString("用时 %1 毫秒").arg(strTime);
}
void frmBase64Helper::on_btnBase64ToImage_clicked()
{
//计时
QElapsedTimer time;
time.start();
QString text = ui->txtBase64->toPlainText().trimmed();
if (!text.isEmpty()) {
QPixmap pix = QPixmap::fromImage(Base64Helper::base64ToImage(text));
pix = pix.scaled(ui->labImage->size() - QSize(4, 4), Qt::KeepAspectRatio);
ui->labImage->setPixmap(pix);
}
//统计用时
#if (QT_VERSION >= QT_VERSION_CHECK(4,8,0))
double elapsed = (double)time.nsecsElapsed() / 1000000;
#else
double elapsed = (double)time.elapsed();
#endif
QString strTime = QString::number(elapsed, 'f', 3);
qDebug() << QString("用时 %1 毫秒").arg(strTime);
}
void frmBase64Helper::on_btnTextToBase64_clicked()
{
QString text = ui->txtText->text().trimmed();
if (!text.isEmpty()) {
ui->txtBase64->setText(Base64Helper::textToBase64(text));
}
}
void frmBase64Helper::on_btnBase64ToText_clicked()
{
QString text = ui->txtBase64->toPlainText().trimmed();
if (!text.isEmpty()) {
ui->txtText->setText(Base64Helper::base64ToText(text));
}
}

30
tool/base64helper/frmbase64helper.h Normal file
View File

@@ -0,0 +1,30 @@
#ifndef FRMBASE64HELPER_H
#define FRMBASE64HELPER_H
#include <QWidget>
namespace Ui {
class frmBase64Helper;
}
class frmBase64Helper : public QWidget
{
Q_OBJECT
public:
explicit frmBase64Helper(QWidget *parent = 0);
~frmBase64Helper();
private:
Ui::frmBase64Helper *ui;
private slots:
void on_btnOpen_clicked();
void on_btnClear_clicked();
void on_btnImageToBase64_clicked();
void on_btnBase64ToImage_clicked();
void on_btnTextToBase64_clicked();
void on_btnBase64ToText_clicked();
};
#endif // FRMBASE64HELPER_H

139
tool/base64helper/frmbase64helper.ui Normal file
View File

@@ -0,0 +1,139 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>frmBase64Helper</class>
<widget class="QWidget" name="frmBase64Helper">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>800</width>
<height>600</height>
</rect>
</property>
<property name="windowTitle">
<string>Widget</string>
</property>
<layout class="QGridLayout" name="gridLayout">
<item row="0" column="0">
<widget class="QLineEdit" name="txtFile">
<property name="text">
<string>E:/myFile/美女图片/2.jpg</string>
</property>
</widget>
</item>
<item row="0" column="1">
<widget class="QPushButton" name="btnOpen">
<property name="minimumSize">
<size>
<width>120</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>打开文件</string>
</property>
</widget>
</item>
<item row="0" column="2">
<widget class="QPushButton" name="btnImageToBase64">
<property name="minimumSize">
<size>
<width>120</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>图片转base64</string>
</property>
</widget>
</item>
<item row="0" column="3">
<widget class="QPushButton" name="btnBase64ToImage">
<property name="minimumSize">
<size>
<width>120</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>base64转图片</string>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QLineEdit" name="txtText">
<property name="text">
<string>游龙 feiyangqingyun QQ: 517216493</string>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QPushButton" name="btnClear">
<property name="minimumSize">
<size>
<width>120</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>清空数据</string>
</property>
</widget>
</item>
<item row="1" column="2">
<widget class="QPushButton" name="btnTextToBase64">
<property name="minimumSize">
<size>
<width>120</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>文字转base64</string>
</property>
</widget>
</item>
<item row="1" column="3">
<widget class="QPushButton" name="btnBase64ToText">
<property name="minimumSize">
<size>
<width>120</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>base64转文字</string>
</property>
</widget>
</item>
<item row="2" column="0" colspan="4">
<widget class="QLabel" name="labImage">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Expanding">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="frameShape">
<enum>QFrame::Box</enum>
</property>
<property name="frameShadow">
<enum>QFrame::Sunken</enum>
</property>
<property name="text">
<string/>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item row="3" column="0" colspan="4">
<widget class="QTextEdit" name="txtBase64"/>
</item>
</layout>
</widget>
<layoutdefault spacing="6" margin="11"/>
<resources/>
<connections/>
</ui>

31
tool/base64helper/main.cpp Normal file
View File

@@ -0,0 +1,31 @@
#pragma execution_character_set("utf-8")
#include "frmbase64helper.h"
#include <QApplication>
#include <QTextCodec>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
a.setFont(QFont("Microsoft Yahei", 9));
#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
#if _MSC_VER
QTextCodec *codec = QTextCodec::codecForName("gbk");
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
#endif
QTextCodec::setCodecForLocale(codec);
QTextCodec::setCodecForCStrings(codec);
QTextCodec::setCodecForTr(codec);
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
QTextCodec::setCodecForLocale(codec);
#endif
frmBase64Helper w;
w.setWindowTitle("图片文字base64编码互换");
w.show();
return a.exec();
}