Qt5.4 Open the file directory and select the file

1. If you do not need to open the specified file, you can use the following code

Qdesktopservices::openurl (Qurl::fromlocalfile (File_path));

2. If you need to specify a file

Can call the Windows API ShellExecute () to complete

Specific as follows:

2.1 <mainwindow.h>

#include <windows.h>
#include <shellapi.h>

qtextcodec *codec;

2.2 <mainwindow.cpp>

codec = Qtextcodec::codecforname ("GB18030"); Windows uses GBK encoding by default, QT uses UTF-8 encoding by default and requires conversion

2.3 Call Explorer to open the file browser and make the file, format "Explorer/select, E:\Table_1.txt" must be a backslash, otherwise fail, I've been here a long time

and the QT default Qfileinfo::filepath () is a backslash, ie '/', so you have to do the code as follows

QString argsstr = "/select," +fileinfo.filepath (). Replace ("/", "\ \"); Replace file directory delimited form
Shellexecutea (NULL, "Open", "Explorer", Codec->fromunicode (ARGSSTR). Constdata (), Null,sw_ Showdefault);//convert UTF-8 to GBK and convert to const char* type