官网下载Qt4.99版本安装包

进入安装界面

一直点击下一步直到选择插件

选择插件

安装直至安装完毕

打开终端

输入命令

sudo gedit /usr/bin/qtcreator

插入以下内容并保存退出

#!/bin/sh

export QT_HOME=/home/liangjian/Qt5.9.9/Tools/QtCreator/bin

$QT_HOME/qtcreator $*

终端里执行

sudo chmod a+x /usr/bin/qtcreator

安装完毕

进入usr/local/文件夹下的Qt5.9.9

进入bin文件夹

在该文件夹打开终端输入

./qmake -v

显示版本信息则安装完成

设置环境变量

打开终端输入以下代码

gedit /home/liangjian/.bashrc

在最后一行加入以下代码

export QTDIR=/usr/local/Qt-4.9.9

export PATH=$QTDIR/bin:$PATH

export MANPATH=$QTDIR/man:$MANPATH

export LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH

保存退出重启电脑

打开终端输入

qmake -v

成功显示版本号安装完成

感谢各位博主

参考博文：

[1]: https://blog.csdn.net/qq_41960196/article/details/110789150?ops_request_misc=%25257B%252522request%25255Fid%252522%25253A%252522160851736816780276349556%252522%25252C%252522scm%252522%25253A%25252220140713.130102334.pc%25255Fall.%252522%25257D&request_id=160851736816780276349556&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2allfirst_rank_v2~rank_v29-2-110789150.pc_search_result_cache&utm_term=unbuntu%E4%B8%8B%E5%AE%89%E8%A3%85qt

[2]:https://blog.csdn.net/qq_38906523/article/details/76503551?ops_request_misc=%25257B%252522request%25255Fid%252522%25253A%252522160855078116780274056882%252522%25252C%252522scm%252522%25253A%25252220140713.130102334.pc%25255Fall.%252522%25257D&request_id=160855078116780274056882&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2allfirst_rank_v2~rank_v29-1-76503551.pc_search_result_cache&utm_term=qt5.99%E5%AE%89%E8%A3%85%E7%BB%84%E4%BB%B6%E9%80%89%E6%8B%A9