qDebug() << "File creation time:" << info.created().toString("yyyy-MM-dd hh:mm:ss"); qDebug() << "File last modified time:" << info.lastModified().toString("yyyy-MM-dd hh:mm:ss"); } else { qDebug() << "File does not exist."; } 7、遍历目录 使用QDir类可以遍历一个目录...
dependent "*.h" does not exist. 原因:修改了文件后,qt pro不会自动关联新名称,可能存在旧的缓存,导致文件关联依赖没有更新过来。 解决:打开pro文件,全选,剪切,再粘贴进去,保存,重新构建,就可以了~ 同样滴,我使用CMAKE生成vcproj工程,在工程中移除文件后,会提示错误: the file "*.h"does not exist! 原因...
void FileIO::read() { if(m_source.isEmpty()) { return; } QFile file(m_source.toLocalFile()); if(!file.exists()) { qWarning() << "Does not exist: " << m_source.toLocalFile(); return; } if(file.open(QIODevice::ReadOnly)) { QTextStream stream(&file); m_text = stream....
The imported target "Qt5::Gui" references the file "/usr/lib/x86_64-linux-gnu/libEGL.so" but this file does not exist. Possible reasons include: * The file was deleted, renamed, or moved to another location. * An install or uninstall procedure did not complete successfully. * The insta...
but this file does not exist. Possible reasons include: * The file was deleted, renamed, or moved to another location. * An install or uninstall procedure did not complete successfully. * The installation package was faulty and contained ...
Qt for Android编译报错提示:Install to device:No Buildfile:build.xml does not exist!解决方法,今天编译安卓项目是,前一分钟还好,后面编译就无故报错,编译不过,贴图如下:当时,选择项目清空,重新qmake,重新启动qtcreator都不能解决,一直报错,后来找了下资料,
FILE: 可选参数,用于指定一个包含插件元数据的 JSON 文件,内容如下。DbPlugin.json文件放到工程路径(dbplugin.cpp同目录下)下,否则编译时会报错Plugin Metadata file ".json" does not exist. {"name":"MyPlugin","version":"1.0","description":"This is a sample plugin for demonstration purposes.","aut...
() File "e:\桌面\test\venv\lib\site-packages\PyInstaller\building\build_main.py", line 580, in assemble self.graph.process_post_graph_hooks(self) File "e:\桌面\test\venv\lib\site-packages\PyInstaller\depend\analysis.py", line 330, in process_post_graph_hooks module_hook.post_graph(...
QFile outputFile(“output.txt”); outputFile.open(QIODevice::WriteOnly | QIODevice::Text); outputFile.write(output); outputFile.close(); “` 6. 错误处理:在执行命令的过程中可能会出现错误,可以通过调用`errorOccurred`函数来判断是否有错误发生,并通过`errorString`函数获取错误信息。示例如下: ...
另*.pro文件与 Makefile 文件的关系如下 代码语言:javascript 复制 source-[qmake-project]->*.pro-[qmake]->Makefile--|-[make]->target|---| ui_*.h 这个文件由uic根据*.ui生成的 我们来看看其中的内容 代码语言:javascript 复制 [emacs@h102 pic]...