1. 程式人生 > >【QtCretor】QXcbConnection: Could not connect to display.

【QtCretor】QXcbConnection: Could not connect to display.

困擾了幾個月的問題解決啦

參考連結:
1、https://blog.csdn.net/u011728480/article/details/66974510?locationNum=9&fps=1
2、https://stackoverflow.com/questions/39478208/qxcbconnection-could-not-connect-to-display-when-trying-to-debug-linux-app-wit
當我們在Ubuntu下使用QtCretor時候調試出現:
QXcbConnection: Could not connect to display.
QXcbConnection: Could not connect to display.


QXcbConnection: Could not connect to display.
QXcbConnection: Could not connect to display.

我們需要在QtCreator設定:
DISPLAY=:0.0
DISPLAY=:0.0
DISPLAY=:0.0

如下圖:
在這裡插入圖片描述