1.Vscode安装：

　　参考：https://blog.csdn.net/weixin_43793181/article/details/124456809

2.Opencv编译安装：

      参考：https://blog.csdn.net/xiangfengl/article/details/122945924

3.Vscode配置Opencv:

三个json文件配置:launch.json、c_cpp_properties.json、tasks.json.Vscode Ctrl + Shift + P 打开搜索框，键入c++，会出现备选项目，选择图示Edit configurations (JSON)，下拉分别选择3个json文件，输入以下配置即可：

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": [
 {
 "name": "g++ - Build and debug active file",
 "type": "cppdbg",
 "request": "launch",
 "program": "${fileDirname}/${fileBasenameNoExtension}", //程序文件路径
 "args": [], //程序运行需传入的参数
 "stopAtEntry": false,
 "cwd": "${fileDirname}",
 "environment": [],
 "externalConsole": true, //运行时是否显示控制台窗口
 "MIMode": "gdb",
 "setupCommands": [
 {
 "description": "Enable pretty-printing for gdb",
 "text": "-enable-pretty-printing",
 "ignoreFailures": true
 }
 ],
 "preLaunchTask": "C/C++: g++ build active file",
 "miDebuggerPath": "/usr/bin/gdb"
 }
 ]
}

c_cpp_properties.json:
{
 "configurations": [
 {
 "name": "Linux",
 "includePath": [
 "${workspaceFolder}/**",
 
 "/usr/local/include/opencv4"
 ],
 "defines": [],
 "compilerPath": "/usr/bin/gcc",
 "cStandard": "gnu11",
 "cppStandard": "gnu++14",
 "intelliSenseMode": "linux-gcc-x64"
 }
 ],
 "version": 4
}

task.json:
{
 "tasks": [
 {
 "type": "cppbuild",
 "label": "C/C++: g++ build active file", /* 与launch.json文件里的preLaunchTask的内容保持一致 */
 "command": "/usr/bin/g++",
 "args": [
 "-std=c++11",
 "-g",
 //"${file}", /* 编译单个文件 */
 "${fileDirname}/*.cpp", /* 编译多个文件 */
 "-o",
 "${fileDirname}/${fileBasenameNoExtension}", /* 输出文件路径 */
 
 /* 项目所需的头文件路径 */
 "-I","${workspaceFolder}/",
 "-I","/usr/local/include/",
 "-I","/usr/local/include/opencv4/",
 "-I","/usr/local/include/opencv4/opencv2",
 
 /* 项目所需的库文件路径 */
 "-L", "/usr/local/lib",
 
 /* OpenCV的lib库 */
 "/usr/local/lib/libopencv_*",
 
 ],
 "options": {
 "cwd": "${fileDirname}"
 },
 "problemMatcher": [
 "$gcc"
 ],
 "group": {
 "kind": "build",
 "isDefault": true
 },
 "detail": "Task generated by Debugger."
 }
 ],
 "version": "2.0.0"
}