linux16.04下安装Clion2019.2记录以及C++代码运行

下载安装激活

下载地址：https://www.jetbrains.com/clion/download/#section=linux

将它解压到/home目录下

打开terminal，依次键入

cd clion-2019.2/bin/
./clion.sh

然后就可以看到需要激活，

　　　　　　　

在空白处填入激活码

https://blog.csdn.net/ft_sunshine/article/details/92065039

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添加快捷方式

为了打开Clion方便，不需./clion.sh然后打开

新建图标

cd /usr/share/applications/
sudo touch clion.desktop
sudo gedit clion.desktop

然后直接输入(地址一般不同，这个需要更改的)：

[Desktop Entry]
Encoding=UTF-8

Name=CLion

Comment=clion-2019.2

Exec=/home/pc314/clion-2019.2/bin/clion.sh

Icon=/home/pc314/clion-2019.2/bin/clion.svg

Categories=Application;Development;Java;IDE

Version=2019.2

Type=Application

#Terminal=1

最后可以在search中搜索Clion就可以看到图标了。右键点击图标，会出现它的信息，在launch将会更方便。

新建一个Ｃ＋＋代码

https://www.jetbrains.com/help/clion/clion-quick-start-guide.html?utm_source=marketo&utm_medium=email&utm_content=trial&utm_campaign=clionmkt_tok=eyJpIjoiTURnNE16UTRZbVEyWVRBNSIsInQiOiJvMXFNS2E2aVZBRHBJTWpYVkNGckRLRGhMc1VMMGV4amlwSFVTaFRCSjMzdVNcLzJSdXBRR01SRG84Tzd5VU52bUVua3AzSmNNOUdtYjB3YWEybTVjN2N3SVYrTE5pclV3QUZWYTJQREJVQ3d5cnpOUEtJaVBGR1ExcW9GcmQzUUwifQ%3D%3D

CLion 采用 CMake 项目模型，任何基于 CMake 的项目都无需额外配置即可在 CLion 中轻松的打开：只需指向一个顶层的 CMakeLists.txt 文件以打开项目。

我们看一下CMakeLists.txt文件，里面中的project(untitled)表示一个Cmake文件，add_executable(untitled main.cpp)表示一个c++ source file。

cmake_minimum_required(VERSION 3.14)
project(untitled)

set(CMAKE_CXX_STANDARD 14)

add_executable(untitled main.cpp)

假设在项目untitled下新建一个C++ source file,命名为１.cpp文件，那么CMakeLists.txt就需要修改为

cmake_minimum_required(VERSION 3.14)
project(untitled)

set(CMAKE_CXX_STANDARD 14)

add_executable(untitled 1.cpp)

这样子就可以运行了，测试代码

#include 

int main() {
    std::cout << "Hello, World!" << std::endl;
    return 0;
}