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基于Qt的数据管理系统
应用背景基于Qt的数据管理系统,对Qt的数据库进行了一次应用,对于Qt初学者学习开发数据库等技术有较强学习价值。。。。。。。关键技术setFixedSize(750, 500);
ui->stackedWidget->setCurrentIndex(0);
QSqlQueryModel *typeModel = new QSqlQueryModel(this);
typeModel->setQuery("select name from type");
ui->sellTypeComboBox->setModel(typeModel);
QSplitter *splitter = new QSplitter(ui->managePage);
splitter->resize(700, 360);
splitter->move(0, 50);
splitter->addWidget(ui->toolBox);
splitter->addWidget(ui->dailyList);
splitter->setStretchFactor(0, 1);
splitter->setStretchFactor(1, 1);
on_sellCancelBtn_clicked();
showDailyList();
ui->typeComboBox->setModel(typeModel);
createChartModelView();
- 2023-01-11 19:20:03下载
- 积分:1
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图像的二值化处理
实现二值化,当像素值(r+g+b)/3>128时设为255,当像素值小于128时设置为0.做归一化处理后,2值化的颜色 1为白,0为黑。边缘部分,计算有误差,255,254,253,252 就算白,0,1,2,3,4就算黑。屏幕显示时,肉眼是分辨不出这点误差的。你可以对2值化后的图像值作归一化处理,得到1和0,然后再放大(乘255),就可得到满意的数值。至于左边界上 1 254 253, 0 255 255,可能是2值化前,颜色原本就有差别。不是2值化的错误。
- 2022-09-03 03:00:05下载
- 积分:1
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型的年份和月份,它会显示日历,CLA赋值
type year and month, it will show the calender, an assignment in cla-type year and month, it will show the calender, an assignment in class
- 2022-07-11 11:14:45下载
- 积分:1
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利用VB制作的一款小游戏,是我的课程设计。
利用VB制作的一款小游戏,是我的课程设计。-VB one produced by the small game, my course design.
- 2022-01-26 03:33:19下载
- 积分:1
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主要用于产生波形,然后用于仿真和实验
主要用于产生波形,然后用于仿真和实验-Mainly used to produce waveform, and then used for simulation and experimental
- 2022-03-19 17:53:53下载
- 积分:1
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Version 5.0 :* Add the Manufacturer infomation link on the St. art menu* Change...
Version 5.0:
* Add the Manufacturer infomation link on the Start menu
* Change the intel cpu s logo
* Fixed several bugs.-Version 5.0 :* Add the Manufacturer infomation link on the St. art menu* Change the intel cpu"s logo* Fixed Kaijing acidic bugs.
- 2022-04-23 22:55:39下载
- 积分:1
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觉得要是不好一定要告诉我啊~~谢谢~~~说明自己看,我也不知道怎么说...
觉得要是不好一定要告诉我啊~~谢谢~~~说明自己看,我也不知道怎么说-feel bad if I must tell ah ~ ~ ~ ~ ~ Thank you stated your view, I do not know how that
- 2023-06-21 00:05:03下载
- 积分:1
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leaked source code used webclass do, I have not divulged the original source of...
原代码泄露? 用webclass 来做,就不用考虑原代码泄露这个问题了。 4.求教,有谁知道 网页上的股市行情的定时刷新是怎么实现的吗? ... 问:就是想得到,像这个论坛里显示贴 子大小的方法,如(192 Bytes) 答:ADO中Field对象的ActualSize属性7-leaked source code used webclass do, I have not divulged the original source of this problem. 4. Pay him, who knows website on the stock market is set to the timing of how to achieve it ... : That is unsurprisingly, as a forum to demonstrate the size of the postings, such as (192 Bytes) A : ADO object which Field attributes 7 ActualSize
- 2022-10-13 00:35:03下载
- 积分:1
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DSP LF2407A 板上拨码开关例程 已跑通了
DSP LF2407A 板上拨码开关例程 已跑通了-On-board DSP LF2407A DIP switch routine has been run over the
- 2023-05-01 20:00:03下载
- 积分:1
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能够实现小时(24进制)、分钟和秒钟(60进制)的计数功能具有复位功能
功能扩展:具有复位、整点报时提示、定时闹钟等功能...
能够实现小时(24进制)、分钟和秒钟(60进制)的计数功能具有复位功能
功能扩展:具有复位、整点报时提示、定时闹钟等功能
-Able to achieve an hour (24 hex), minutes and seconds (60 hex) is counting function with reset function extensions: with a reset, the whole point timekeeping prompt, regular alarm clock and other functions
- 2022-05-25 12:51:12下载
- 积分:1