program:调试入口文件的地址
cwd:程序启动调试的目录
miDebuggerPath:调试器的路径
1、首先安装g++环境。
键盘按下ctrl+alt+t打开控制台,输入
sudo apt-get install g++
打开VSCode,安装C++插件,安装C/C++和C/C++ Ru

launch.json
// {
// // Use IntelliSense to learn about possible attributes.
// // Hover to view descriptions of existing attributes.
// // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
// "version": "0.2.0",
// "configurations": []
// }
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "(gdb) Launch",
"type": "cppdbg",
"request": "launch",
// "program": "${workspaceFolder}/a.out",
// "program": "${workspaceFolder}.out",
// "program": "${fileDirname}/${fileBasenameNoExtension}.out",//修改为.out
// "program": "${fileDirname}\\output\\${fileBasenameNoExtension}.exe",
// "program": "/home/kunsir/Documents/code/CProject/test/test/a.exe",
// "program": "${workspaceRoot}/a.out", //${fileDirname}/${fileBasenameNoExtension}",
"program": "${workspaceRoot}/a.out",
"args": [],
"stopAtEntry": false,
"cwd": "${workspaceFolder}",
"environment": [],
"externalConsole": true,
"MIMode": "gdb",
"miDebuggerPath": "/usr/bin/gdb",
"preLaunchTask": "C/C++: g++ 生成活动文件",
"setupCommands": [
{
"description": "Enable pretty-printing for gdb",
"text": "-enable-pretty-printing",
"ignoreFailures": true
}
]
}
]
}
tasks.json
{
"tasks": [
{
"type": "cppbuild",
"label": "C/C++: g++ 生成活动文件",
"command": "/usr/bin/g++",
"args": [
"-fdiagnostics-color=always",
"-g",
"${file}",
"-o",
// "${fileDirname}/${fileBasenameNoExtension}"
"${workspaceRoot}/a.out",
],
"options": {
"cwd": "${fileDirname}"
},
"problemMatcher": [
"$gcc"
],
"group": {
"kind": "build",
"isDefault": true
},
"detail": "调试器生成的任务。"
}
],
"version": "2.0.0"
}
${workspaceRoot} 当前打开的文件夹的绝对路径+文件夹的名字
&{workspaceFolder}当前程序的路径,.vscode路径
${file}当前打开正在编辑的文件名,包括绝对路径,文件名,文件后缀名
${fileBasename} 当前打开的文件名+后缀名,不包括路径
${fileBasenameNoExtension} 当前打开的文件的文件名,不包括路径和后缀名
${fileDirname} 当前打开的文件所在的绝对路径,不包括文件名
${fileExtname} 当前打开的文件的后缀名